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Diffstat (limited to 'protocols/Sametime/src/glib/gutils.c')
| -rw-r--r-- | protocols/Sametime/src/glib/gutils.c | 3613 |
1 files changed, 3613 insertions, 0 deletions
diff --git a/protocols/Sametime/src/glib/gutils.c b/protocols/Sametime/src/glib/gutils.c new file mode 100644 index 0000000000..49bbadbee0 --- /dev/null +++ b/protocols/Sametime/src/glib/gutils.c @@ -0,0 +1,3613 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1998 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe for the unix part, FIXME: make the win32 part MT safe as well. + */ + +#include "config.h" + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#include <stdarg.h> +#include <stdlib.h> +#include <stdio.h> +#include <locale.h> +#include <string.h> +#include <ctype.h> /* For tolower() */ +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#ifdef HAVE_PWD_H +#include <pwd.h> +#endif +#include <sys/types.h> +#ifdef HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif +#ifdef HAVE_CRT_EXTERNS_H +#include <crt_externs.h> /* for _NSGetEnviron */ +#endif + +/* implement gutils's inline functions + */ +#define G_IMPLEMENT_INLINES 1 +#define __G_UTILS_C__ +#include "gutils.h" + +#include "gfileutils.h" +#include "ghash.h" +#include "gslist.h" +#include "gprintfint.h" +#include "gthread.h" +#include "gthreadprivate.h" +#include "gtestutils.h" +#include "gunicode.h" +#include "gstrfuncs.h" +#include "glibintl.h" + +#ifdef G_PLATFORM_WIN32 +#include "garray.h" +#include "gconvert.h" +#include "gwin32.h" +#endif + +#ifdef MAXPATHLEN +#define G_PATH_LENGTH MAXPATHLEN +#elif defined (PATH_MAX) +#define G_PATH_LENGTH PATH_MAX +#elif defined (_PC_PATH_MAX) +#define G_PATH_LENGTH sysconf(_PC_PATH_MAX) +#else +#define G_PATH_LENGTH 2048 +#endif + +#ifdef G_PLATFORM_WIN32 +# define STRICT /* Strict typing, please */ +# include <windows.h> +# undef STRICT +# ifndef GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS +# define GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT 2 +# define GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS 4 +# endif +# include <lmcons.h> /* For UNLEN */ +#endif /* G_PLATFORM_WIN32 */ + +#ifdef G_OS_WIN32 +# include <direct.h> +# include <shlobj.h> + /* older SDK (e.g. msvc 5.0) does not have these*/ +# ifndef CSIDL_MYMUSIC +# define CSIDL_MYMUSIC 13 +# endif +# ifndef CSIDL_MYVIDEO +# define CSIDL_MYVIDEO 14 +# endif +# ifndef CSIDL_INTERNET_CACHE +# define CSIDL_INTERNET_CACHE 32 +# endif +# ifndef CSIDL_COMMON_APPDATA +# define CSIDL_COMMON_APPDATA 35 +# endif +# ifndef CSIDL_MYPICTURES +# define CSIDL_MYPICTURES 0x27 +# endif +# ifndef CSIDL_COMMON_DOCUMENTS +# define CSIDL_COMMON_DOCUMENTS 46 +# endif +# ifndef CSIDL_PROFILE +# define CSIDL_PROFILE 40 +# endif +# include <process.h> +#endif + +#ifdef HAVE_CARBON +#include <CoreServices/CoreServices.h> +#endif + +#ifdef HAVE_CODESET +#include <langinfo.h> +#endif + +const guint glib_major_version = GLIB_MAJOR_VERSION; +const guint glib_minor_version = GLIB_MINOR_VERSION; +const guint glib_micro_version = GLIB_MICRO_VERSION; +const guint glib_interface_age = GLIB_INTERFACE_AGE; +const guint glib_binary_age = GLIB_BINARY_AGE; + +#ifdef G_PLATFORM_WIN32 + +static HMODULE glib_dll = NULL; + +#ifdef DLL_EXPORT + +BOOL WINAPI +DllMain (HINSTANCE hinstDLL, + DWORD fdwReason, + LPVOID lpvReserved) +{ + if (fdwReason == DLL_PROCESS_ATTACH) + glib_dll = hinstDLL; + + return TRUE; +} + +#endif + +gchar * +_glib_get_dll_directory (void) +{ + gchar *retval; + gchar *p; + wchar_t wc_fn[MAX_PATH]; + +#ifdef DLL_EXPORT + if (glib_dll == NULL) + return NULL; +#endif + + /* This code is different from that in + * g_win32_get_package_installation_directory_of_module() in that + * here we return the actual folder where the GLib DLL is. We don't + * do the check for it being in a "bin" or "lib" subfolder and then + * returning the parent of that. + * + * In a statically built GLib, glib_dll will be NULL and we will + * thus look up the application's .exe file's location. + */ + if (!GetModuleFileNameW (glib_dll, wc_fn, MAX_PATH)) + return NULL; + + retval = g_utf16_to_utf8 (wc_fn, -1, NULL, NULL, NULL); + + p = strrchr (retval, G_DIR_SEPARATOR); + if (p == NULL) + { + /* Wtf? */ + return NULL; + } + *p = '\0'; + + return retval; +} + +#endif + +/** + * glib_check_version: + * @required_major: the required major version. + * @required_minor: the required minor version. + * @required_micro: the required micro version. + * + * Checks that the GLib library in use is compatible with the + * given version. Generally you would pass in the constants + * #GLIB_MAJOR_VERSION, #GLIB_MINOR_VERSION, #GLIB_MICRO_VERSION + * as the three arguments to this function; that produces + * a check that the library in use is compatible with + * the version of GLib the application or module was compiled + * against. + * + * Compatibility is defined by two things: first the version + * of the running library is newer than the version + * @required_major.required_minor.@required_micro. Second + * the running library must be binary compatible with the + * version @required_major.required_minor.@required_micro + * (same major version.) + * + * Return value: %NULL if the GLib library is compatible with the + * given version, or a string describing the version mismatch. + * The returned string is owned by GLib and must not be modified + * or freed. + * + * Since: 2.6 + **/ +const gchar * +glib_check_version (guint required_major, + guint required_minor, + guint required_micro) +{ + gint glib_effective_micro = 100 * GLIB_MINOR_VERSION + GLIB_MICRO_VERSION; + gint required_effective_micro = 100 * required_minor + required_micro; + + if (required_major > GLIB_MAJOR_VERSION) + return "GLib version too old (major mismatch)"; + if (required_major < GLIB_MAJOR_VERSION) + return "GLib version too new (major mismatch)"; + if (required_effective_micro < glib_effective_micro - GLIB_BINARY_AGE) + return "GLib version too new (micro mismatch)"; + if (required_effective_micro > glib_effective_micro) + return "GLib version too old (micro mismatch)"; + return NULL; +} + +#if !defined (HAVE_MEMMOVE) && !defined (HAVE_WORKING_BCOPY) +/** + * g_memmove: + * @dest: the destination address to copy the bytes to. + * @src: the source address to copy the bytes from. + * @len: the number of bytes to copy. + * + * Copies a block of memory @len bytes long, from @src to @dest. + * The source and destination areas may overlap. + * + * In order to use this function, you must include + * <filename>string.h</filename> yourself, because this macro will + * typically simply resolve to memmove() and GLib does not include + * <filename>string.h</filename> for you. + */ +void +g_memmove (gpointer dest, + gconstpointer src, + gulong len) +{ + gchar* destptr = dest; + const gchar* srcptr = src; + if (src + len < dest || dest + len < src) + { + bcopy (src, dest, len); + return; + } + else if (dest <= src) + { + while (len--) + *(destptr++) = *(srcptr++); + } + else + { + destptr += len; + srcptr += len; + while (len--) + *(--destptr) = *(--srcptr); + } +} +#endif /* !HAVE_MEMMOVE && !HAVE_WORKING_BCOPY */ + +#ifdef G_OS_WIN32 +#undef g_atexit +#endif + +/** + * g_atexit: + * @func: the function to call on normal program termination. + * + * Specifies a function to be called at normal program termination. + * + * Since GLib 2.8.2, on Windows g_atexit() actually is a preprocessor + * macro that maps to a call to the atexit() function in the C + * library. This means that in case the code that calls g_atexit(), + * i.e. atexit(), is in a DLL, the function will be called when the + * DLL is detached from the program. This typically makes more sense + * than that the function is called when the GLib DLL is detached, + * which happened earlier when g_atexit() was a function in the GLib + * DLL. + * + * The behaviour of atexit() in the context of dynamically loaded + * modules is not formally specified and varies wildly. + * + * On POSIX systems, calling g_atexit() (or atexit()) in a dynamically + * loaded module which is unloaded before the program terminates might + * well cause a crash at program exit. + * + * Some POSIX systems implement atexit() like Windows, and have each + * dynamically loaded module maintain an own atexit chain that is + * called when the module is unloaded. + * + * On other POSIX systems, before a dynamically loaded module is + * unloaded, the registered atexit functions (if any) residing in that + * module are called, regardless where the code that registered them + * resided. This is presumably the most robust approach. + * + * As can be seen from the above, for portability it's best to avoid + * calling g_atexit() (or atexit()) except in the main executable of a + * program. + */ +void +g_atexit (GVoidFunc func) +{ + gint result; + const gchar *error = NULL; + + /* keep this in sync with glib.h */ + +#ifdef G_NATIVE_ATEXIT + result = ATEXIT (func); + if (result) + error = g_strerror (errno); +#elif defined (HAVE_ATEXIT) +# ifdef NeXT /* @#%@! NeXTStep */ + result = !atexit ((void (*)(void)) func); + if (result) + error = g_strerror (errno); +# else + result = atexit ((void (*)(void)) func); + if (result) + error = g_strerror (errno); +# endif /* NeXT */ +#elif defined (HAVE_ON_EXIT) + result = on_exit ((void (*)(int, void *)) func, NULL); + if (result) + error = g_strerror (errno); +#else + result = 0; + error = "no implementation"; +#endif /* G_NATIVE_ATEXIT */ + + if (error) + g_error ("Could not register atexit() function: %s", error); +} + +/* Based on execvp() from GNU Libc. + * Some of this code is cut-and-pasted into gspawn.c + */ + +static gchar* +my_strchrnul (const gchar *str, + gchar c) +{ + gchar *p = (gchar*)str; + while (*p && (*p != c)) + ++p; + + return p; +} + +#ifdef G_OS_WIN32 + +static gchar *inner_find_program_in_path (const gchar *program); + +gchar* +g_find_program_in_path (const gchar *program) +{ + const gchar *last_dot = strrchr (program, '.'); + + if (last_dot == NULL || + strchr (last_dot, '\\') != NULL || + strchr (last_dot, '/') != NULL) + { + const gint program_length = strlen (program); + gchar *pathext = g_build_path (";", + ".exe;.cmd;.bat;.com", + g_getenv ("PATHEXT"), + NULL); + gchar *p; + gchar *decorated_program; + gchar *retval; + + p = pathext; + do + { + gchar *q = my_strchrnul (p, ';'); + + decorated_program = g_malloc (program_length + (q-p) + 1); + memcpy (decorated_program, program, program_length); + memcpy (decorated_program+program_length, p, q-p); + decorated_program [program_length + (q-p)] = '\0'; + + retval = inner_find_program_in_path (decorated_program); + g_free (decorated_program); + + if (retval != NULL) + { + g_free (pathext); + return retval; + } + p = q; + } while (*p++ != '\0'); + g_free (pathext); + return NULL; + } + else + return inner_find_program_in_path (program); +} + +#endif + +/** + * g_find_program_in_path: + * @program: a program name in the GLib file name encoding + * + * Locates the first executable named @program in the user's path, in the + * same way that execvp() would locate it. Returns an allocated string + * with the absolute path name, or %NULL if the program is not found in + * the path. If @program is already an absolute path, returns a copy of + * @program if @program exists and is executable, and %NULL otherwise. + * + * On Windows, if @program does not have a file type suffix, tries + * with the suffixes .exe, .cmd, .bat and .com, and the suffixes in + * the <envar>PATHEXT</envar> environment variable. + * + * On Windows, it looks for the file in the same way as CreateProcess() + * would. This means first in the directory where the executing + * program was loaded from, then in the current directory, then in the + * Windows 32-bit system directory, then in the Windows directory, and + * finally in the directories in the <envar>PATH</envar> environment + * variable. If the program is found, the return value contains the + * full name including the type suffix. + * + * Return value: absolute path, or %NULL + **/ +#ifdef G_OS_WIN32 +static gchar * +inner_find_program_in_path (const gchar *program) +#else +gchar* +g_find_program_in_path (const gchar *program) +#endif +{ + const gchar *path, *p; + gchar *name, *freeme; +#ifdef G_OS_WIN32 + const gchar *path_copy; + gchar *filename = NULL, *appdir = NULL; + gchar *sysdir = NULL, *windir = NULL; + int n; + wchar_t wfilename[MAXPATHLEN], wsysdir[MAXPATHLEN], + wwindir[MAXPATHLEN]; +#endif + gsize len; + gsize pathlen; + + g_return_val_if_fail (program != NULL, NULL); + + /* If it is an absolute path, or a relative path including subdirectories, + * don't look in PATH. + */ + if (g_path_is_absolute (program) + || strchr (program, G_DIR_SEPARATOR) != NULL +#ifdef G_OS_WIN32 + || strchr (program, '/') != NULL +#endif + ) + { + if (g_file_test (program, G_FILE_TEST_IS_EXECUTABLE) && + !g_file_test (program, G_FILE_TEST_IS_DIR)) + return g_strdup (program); + else + return NULL; + } + + path = g_getenv ("PATH"); +#if defined(G_OS_UNIX) || defined(G_OS_BEOS) + if (path == NULL) + { + /* There is no `PATH' in the environment. The default + * search path in GNU libc is the current directory followed by + * the path `confstr' returns for `_CS_PATH'. + */ + + /* In GLib we put . last, for security, and don't use the + * unportable confstr(); UNIX98 does not actually specify + * what to search if PATH is unset. POSIX may, dunno. + */ + + path = "/bin:/usr/bin:."; + } +#else + n = GetModuleFileNameW (NULL, wfilename, MAXPATHLEN); + if (n > 0 && n < MAXPATHLEN) + filename = g_utf16_to_utf8 (wfilename, -1, NULL, NULL, NULL); + + n = GetSystemDirectoryW (wsysdir, MAXPATHLEN); + if (n > 0 && n < MAXPATHLEN) + sysdir = g_utf16_to_utf8 (wsysdir, -1, NULL, NULL, NULL); + + n = GetWindowsDirectoryW (wwindir, MAXPATHLEN); + if (n > 0 && n < MAXPATHLEN) + windir = g_utf16_to_utf8 (wwindir, -1, NULL, NULL, NULL); + + if (filename) + { + appdir = g_path_get_dirname (filename); + g_free (filename); + } + + path = g_strdup (path); + + if (windir) + { + const gchar *tem = path; + path = g_strconcat (windir, ";", path, NULL); + g_free ((gchar *) tem); + g_free (windir); + } + + if (sysdir) + { + const gchar *tem = path; + path = g_strconcat (sysdir, ";", path, NULL); + g_free ((gchar *) tem); + g_free (sysdir); + } + + { + const gchar *tem = path; + path = g_strconcat (".;", path, NULL); + g_free ((gchar *) tem); + } + + if (appdir) + { + const gchar *tem = path; + path = g_strconcat (appdir, ";", path, NULL); + g_free ((gchar *) tem); + g_free (appdir); + } + + path_copy = path; +#endif + + len = strlen (program) + 1; + pathlen = strlen (path); + freeme = name = g_malloc (pathlen + len + 1); + + /* Copy the file name at the top, including '\0' */ + memcpy (name + pathlen + 1, program, len); + name = name + pathlen; + /* And add the slash before the filename */ + *name = G_DIR_SEPARATOR; + + p = path; + do + { + char *startp; + + path = p; + p = my_strchrnul (path, G_SEARCHPATH_SEPARATOR); + + if (p == path) + /* Two adjacent colons, or a colon at the beginning or the end + * of `PATH' means to search the current directory. + */ + startp = name + 1; + else + startp = memcpy (name - (p - path), path, p - path); + + if (g_file_test (startp, G_FILE_TEST_IS_EXECUTABLE) && + !g_file_test (startp, G_FILE_TEST_IS_DIR)) + { + gchar *ret; + ret = g_strdup (startp); + g_free (freeme); +#ifdef G_OS_WIN32 + g_free ((gchar *) path_copy); +#endif + return ret; + } + } + while (*p++ != '\0'); + + g_free (freeme); +#ifdef G_OS_WIN32 + g_free ((gchar *) path_copy); +#endif + + return NULL; +} + +static gboolean +debug_key_matches (const gchar *key, + const gchar *token, + guint length) +{ + for (; length; length--, key++, token++) + { + char k = (*key == '_') ? '-' : tolower (*key ); + char t = (*token == '_') ? '-' : tolower (*token); + + if (k != t) + return FALSE; + } + + return *key == '\0'; +} + +/** + * g_parse_debug_string: + * @string: a list of debug options separated by colons, spaces, or + * commas, or %NULL. + * @keys: pointer to an array of #GDebugKey which associate + * strings with bit flags. + * @nkeys: the number of #GDebugKey<!-- -->s in the array. + * + * Parses a string containing debugging options + * into a %guint containing bit flags. This is used + * within GDK and GTK+ to parse the debug options passed on the + * command line or through environment variables. + * + * If @string is equal to "all", all flags are set. If @string + * is equal to "help", all the available keys in @keys are printed + * out to standard error. + * + * Returns: the combined set of bit flags. + */ +guint +g_parse_debug_string (const gchar *string, + const GDebugKey *keys, + guint nkeys) +{ + guint i; + guint result = 0; + + if (string == NULL) + return 0; + + /* this function is used by gmem.c/gslice.c initialization code, + * so introducing malloc dependencies here would require adaptions + * of those code portions. + */ + + if (!g_ascii_strcasecmp (string, "all")) + { + for (i=0; i<nkeys; i++) + result |= keys[i].value; + } + else if (!g_ascii_strcasecmp (string, "help")) + { + /* using stdio directly for the reason stated above */ + fprintf (stderr, "Supported debug values: "); + for (i=0; i<nkeys; i++) + fprintf (stderr, " %s", keys[i].key); + fprintf (stderr, "\n"); + } + else + { + const gchar *p = string; + const gchar *q; + + while (*p) + { + q = strpbrk (p, ":;, \t"); + if (!q) + q = p + strlen(p); + + for (i = 0; i < nkeys; i++) + if (debug_key_matches (keys[i].key, p, q - p)) + result |= keys[i].value; + + p = q; + if (*p) + p++; + } + } + + return result; +} + +/** + * g_basename: + * @file_name: the name of the file. + * + * Gets the name of the file without any leading directory components. + * It returns a pointer into the given file name string. + * + * Return value: the name of the file without any leading directory components. + * + * Deprecated:2.2: Use g_path_get_basename() instead, but notice that + * g_path_get_basename() allocates new memory for the returned string, unlike + * this function which returns a pointer into the argument. + **/ +G_CONST_RETURN gchar* +g_basename (const gchar *file_name) +{ + register gchar *base; + + g_return_val_if_fail (file_name != NULL, NULL); + + base = strrchr (file_name, G_DIR_SEPARATOR); + +#ifdef G_OS_WIN32 + { + gchar *q = strrchr (file_name, '/'); + if (base == NULL || (q != NULL && q > base)) + base = q; + } +#endif + + if (base) + return base + 1; + +#ifdef G_OS_WIN32 + if (g_ascii_isalpha (file_name[0]) && file_name[1] == ':') + return (gchar*) file_name + 2; +#endif /* G_OS_WIN32 */ + + return (gchar*) file_name; +} + +/** + * g_path_get_basename: + * @file_name: the name of the file. + * + * Gets the last component of the filename. If @file_name ends with a + * directory separator it gets the component before the last slash. If + * @file_name consists only of directory separators (and on Windows, + * possibly a drive letter), a single separator is returned. If + * @file_name is empty, it gets ".". + * + * Return value: a newly allocated string containing the last component of + * the filename. + */ +gchar* +g_path_get_basename (const gchar *file_name) +{ + register gssize base; + register gssize last_nonslash; + gsize len; + gchar *retval; + + g_return_val_if_fail (file_name != NULL, NULL); + + if (file_name[0] == '\0') + /* empty string */ + return g_strdup ("."); + + last_nonslash = strlen (file_name) - 1; + + while (last_nonslash >= 0 && G_IS_DIR_SEPARATOR (file_name [last_nonslash])) + last_nonslash--; + + if (last_nonslash == -1) + /* string only containing slashes */ + return g_strdup (G_DIR_SEPARATOR_S); + +#ifdef G_OS_WIN32 + if (last_nonslash == 1 && g_ascii_isalpha (file_name[0]) && file_name[1] == ':') + /* string only containing slashes and a drive */ + return g_strdup (G_DIR_SEPARATOR_S); +#endif /* G_OS_WIN32 */ + + base = last_nonslash; + + while (base >=0 && !G_IS_DIR_SEPARATOR (file_name [base])) + base--; + +#ifdef G_OS_WIN32 + if (base == -1 && g_ascii_isalpha (file_name[0]) && file_name[1] == ':') + base = 1; +#endif /* G_OS_WIN32 */ + + len = last_nonslash - base; + retval = g_malloc (len + 1); + memcpy (retval, file_name + base + 1, len); + retval [len] = '\0'; + return retval; +} + +/** + * g_path_is_absolute: + * @file_name: a file name. + * + * Returns %TRUE if the given @file_name is an absolute file name, + * i.e. it contains a full path from the root directory such as "/usr/local" + * on UNIX or "C:\windows" on Windows systems. + * + * Returns: %TRUE if @file_name is an absolute path. + */ +gboolean +g_path_is_absolute (const gchar *file_name) +{ + g_return_val_if_fail (file_name != NULL, FALSE); + + if (G_IS_DIR_SEPARATOR (file_name[0])) + return TRUE; + +#ifdef G_OS_WIN32 + /* Recognize drive letter on native Windows */ + if (g_ascii_isalpha (file_name[0]) && + file_name[1] == ':' && G_IS_DIR_SEPARATOR (file_name[2])) + return TRUE; +#endif /* G_OS_WIN32 */ + + return FALSE; +} + +/** + * g_path_skip_root: + * @file_name: a file name. + * + * Returns a pointer into @file_name after the root component, i.e. after + * the "/" in UNIX or "C:\" under Windows. If @file_name is not an absolute + * path it returns %NULL. + * + * Returns: a pointer into @file_name after the root component. + */ +G_CONST_RETURN gchar* +g_path_skip_root (const gchar *file_name) +{ + g_return_val_if_fail (file_name != NULL, NULL); + +#ifdef G_PLATFORM_WIN32 + /* Skip \\server\share or //server/share */ + if (G_IS_DIR_SEPARATOR (file_name[0]) && + G_IS_DIR_SEPARATOR (file_name[1]) && + file_name[2] && + !G_IS_DIR_SEPARATOR (file_name[2])) + { + gchar *p; + + p = strchr (file_name + 2, G_DIR_SEPARATOR); +#ifdef G_OS_WIN32 + { + gchar *q = strchr (file_name + 2, '/'); + if (p == NULL || (q != NULL && q < p)) + p = q; + } +#endif + if (p && + p > file_name + 2 && + p[1]) + { + file_name = p + 1; + + while (file_name[0] && !G_IS_DIR_SEPARATOR (file_name[0])) + file_name++; + + /* Possibly skip a backslash after the share name */ + if (G_IS_DIR_SEPARATOR (file_name[0])) + file_name++; + + return (gchar *)file_name; + } + } +#endif + + /* Skip initial slashes */ + if (G_IS_DIR_SEPARATOR (file_name[0])) + { + while (G_IS_DIR_SEPARATOR (file_name[0])) + file_name++; + return (gchar *)file_name; + } + +#ifdef G_OS_WIN32 + /* Skip X:\ */ + if (g_ascii_isalpha (file_name[0]) && file_name[1] == ':' && G_IS_DIR_SEPARATOR (file_name[2])) + return (gchar *)file_name + 3; +#endif + + return NULL; +} + +/** + * g_path_get_dirname: + * @file_name: the name of the file. + * + * Gets the directory components of a file name. If the file name has no + * directory components "." is returned. The returned string should be + * freed when no longer needed. + * + * Returns: the directory components of the file. + */ +gchar* +g_path_get_dirname (const gchar *file_name) +{ + register gchar *base; + register gsize len; + + g_return_val_if_fail (file_name != NULL, NULL); + + base = strrchr (file_name, G_DIR_SEPARATOR); +#ifdef G_OS_WIN32 + { + gchar *q = strrchr (file_name, '/'); + if (base == NULL || (q != NULL && q > base)) + base = q; + } +#endif + if (!base) + { +#ifdef G_OS_WIN32 + if (g_ascii_isalpha (file_name[0]) && file_name[1] == ':') + { + gchar drive_colon_dot[4]; + + drive_colon_dot[0] = file_name[0]; + drive_colon_dot[1] = ':'; + drive_colon_dot[2] = '.'; + drive_colon_dot[3] = '\0'; + + return g_strdup (drive_colon_dot); + } +#endif + return g_strdup ("."); + } + + while (base > file_name && G_IS_DIR_SEPARATOR (*base)) + base--; + +#ifdef G_OS_WIN32 + /* base points to the char before the last slash. + * + * In case file_name is the root of a drive (X:\) or a child of the + * root of a drive (X:\foo), include the slash. + * + * In case file_name is the root share of an UNC path + * (\\server\share), add a slash, returning \\server\share\ . + * + * In case file_name is a direct child of a share in an UNC path + * (\\server\share\foo), include the slash after the share name, + * returning \\server\share\ . + */ + if (base == file_name + 1 && g_ascii_isalpha (file_name[0]) && file_name[1] == ':') + base++; + else if (G_IS_DIR_SEPARATOR (file_name[0]) && + G_IS_DIR_SEPARATOR (file_name[1]) && + file_name[2] && + !G_IS_DIR_SEPARATOR (file_name[2]) && + base >= file_name + 2) + { + const gchar *p = file_name + 2; + while (*p && !G_IS_DIR_SEPARATOR (*p)) + p++; + if (p == base + 1) + { + len = (guint) strlen (file_name) + 1; + base = g_new (gchar, len + 1); + strcpy (base, file_name); + base[len-1] = G_DIR_SEPARATOR; + base[len] = 0; + return base; + } + if (G_IS_DIR_SEPARATOR (*p)) + { + p++; + while (*p && !G_IS_DIR_SEPARATOR (*p)) + p++; + if (p == base + 1) + base++; + } + } +#endif + + len = (guint) 1 + base - file_name; + + base = g_new (gchar, len + 1); + g_memmove (base, file_name, len); + base[len] = 0; + + return base; +} + +/** + * g_get_current_dir: + * + * Gets the current directory. + * The returned string should be freed when no longer needed. The encoding + * of the returned string is system defined. On Windows, it is always UTF-8. + * + * Returns: the current directory. + */ +gchar* +g_get_current_dir (void) +{ +#ifdef G_OS_WIN32 + + gchar *dir = NULL; + wchar_t dummy[2], *wdir; + int len; + + len = GetCurrentDirectoryW (2, dummy); + wdir = g_new (wchar_t, len); + + if (GetCurrentDirectoryW (len, wdir) == len - 1) + dir = g_utf16_to_utf8 (wdir, -1, NULL, NULL, NULL); + + g_free (wdir); + + if (dir == NULL) + dir = g_strdup ("\\"); + + return dir; + +#else + + gchar *buffer = NULL; + gchar *dir = NULL; + static gulong max_len = 0; + + if (max_len == 0) + max_len = (G_PATH_LENGTH == -1) ? 2048 : G_PATH_LENGTH; + + /* We don't use getcwd(3) on SUNOS, because, it does a popen("pwd") + * and, if that wasn't bad enough, hangs in doing so. + */ +#if (defined (sun) && !defined (__SVR4)) || !defined(HAVE_GETCWD) + buffer = g_new (gchar, max_len + 1); + *buffer = 0; + dir = getwd (buffer); +#else /* !sun || !HAVE_GETCWD */ + while (max_len < G_MAXULONG / 2) + { + g_free (buffer); + buffer = g_new (gchar, max_len + 1); + *buffer = 0; + dir = getcwd (buffer, max_len); + + if (dir || errno != ERANGE) + break; + + max_len *= 2; + } +#endif /* !sun || !HAVE_GETCWD */ + + if (!dir || !*buffer) + { + /* hm, should we g_error() out here? + * this can happen if e.g. "./" has mode \0000 + */ + buffer[0] = G_DIR_SEPARATOR; + buffer[1] = 0; + } + + dir = g_strdup (buffer); + g_free (buffer); + + return dir; +#endif /* !Win32 */ +} + +/** + * g_getenv: + * @variable: the environment variable to get, in the GLib file name encoding. + * + * Returns the value of an environment variable. The name and value + * are in the GLib file name encoding. On UNIX, this means the actual + * bytes which might or might not be in some consistent character set + * and encoding. On Windows, it is in UTF-8. On Windows, in case the + * environment variable's value contains references to other + * environment variables, they are expanded. + * + * Return value: the value of the environment variable, or %NULL if + * the environment variable is not found. The returned string may be + * overwritten by the next call to g_getenv(), g_setenv() or + * g_unsetenv(). + **/ +G_CONST_RETURN gchar* +g_getenv (const gchar *variable) +{ +#ifndef G_OS_WIN32 + + g_return_val_if_fail (variable != NULL, NULL); + + return getenv (variable); + +#else /* G_OS_WIN32 */ + + GQuark quark; + gchar *value; + wchar_t dummy[2], *wname, *wvalue; + int len; + + g_return_val_if_fail (variable != NULL, NULL); + g_return_val_if_fail (g_utf8_validate (variable, -1, NULL), NULL); + + /* On Windows NT, it is relatively typical that environment + * variables contain references to other environment variables. If + * so, use ExpandEnvironmentStrings(). (In an ideal world, such + * environment variables would be stored in the Registry as + * REG_EXPAND_SZ type values, and would then get automatically + * expanded before a program sees them. But there is broken software + * that stores environment variables as REG_SZ values even if they + * contain references to other environment variables.) + */ + + wname = g_utf8_to_utf16 (variable, -1, NULL, NULL, NULL); + + len = GetEnvironmentVariableW (wname, dummy, 2); + + if (len == 0) + { + g_free (wname); + return NULL; + } + else if (len == 1) + len = 2; + + wvalue = g_new (wchar_t, len); + + if (GetEnvironmentVariableW (wname, wvalue, len) != len - 1) + { + g_free (wname); + g_free (wvalue); + return NULL; + } + + if (wcschr (wvalue, L'%') != NULL) + { + wchar_t *tem = wvalue; + + len = ExpandEnvironmentStringsW (wvalue, dummy, 2); + + if (len > 0) + { + wvalue = g_new (wchar_t, len); + + if (ExpandEnvironmentStringsW (tem, wvalue, len) != len) + { + g_free (wvalue); + wvalue = tem; + } + else + g_free (tem); + } + } + + value = g_utf16_to_utf8 (wvalue, -1, NULL, NULL, NULL); + + g_free (wname); + g_free (wvalue); + + quark = g_quark_from_string (value); + g_free (value); + + return g_quark_to_string (quark); + +#endif /* G_OS_WIN32 */ +} + +/* _g_getenv_nomalloc + * this function does a getenv() without doing any kind of allocation + * through glib. it's suitable for chars <= 127 only (both, for the + * variable name and the contents) and for contents < 1024 chars in + * length. also, it aliases "" to a NULL return value. + **/ +const gchar* +_g_getenv_nomalloc (const gchar *variable, + gchar buffer[1024]) +{ + const gchar *retval = getenv (variable); + if (retval && retval[0]) + { + gint l = strlen (retval); + if (l < 1024) + { + strncpy (buffer, retval, l); + buffer[l] = 0; + return buffer; + } + } + return NULL; +} + +/** + * g_setenv: + * @variable: the environment variable to set, must not contain '='. + * @value: the value for to set the variable to. + * @overwrite: whether to change the variable if it already exists. + * + * Sets an environment variable. Both the variable's name and value + * should be in the GLib file name encoding. On UNIX, this means that + * they can be any sequence of bytes. On Windows, they should be in + * UTF-8. + * + * Note that on some systems, when variables are overwritten, the memory + * used for the previous variables and its value isn't reclaimed. + * + * Returns: %FALSE if the environment variable couldn't be set. + * + * Since: 2.4 + */ +gboolean +g_setenv (const gchar *variable, + const gchar *value, + gboolean overwrite) +{ +#ifndef G_OS_WIN32 + + gint result; +#ifndef HAVE_SETENV + gchar *string; +#endif + + g_return_val_if_fail (variable != NULL, FALSE); + g_return_val_if_fail (strchr (variable, '=') == NULL, FALSE); + +#ifdef HAVE_SETENV + result = setenv (variable, value, overwrite); +#else + if (!overwrite && getenv (variable) != NULL) + return TRUE; + + /* This results in a leak when you overwrite existing + * settings. It would be fairly easy to fix this by keeping + * our own parallel array or hash table. + */ + string = g_strconcat (variable, "=", value, NULL); + result = putenv (string); +#endif + return result == 0; + +#else /* G_OS_WIN32 */ + + gboolean retval; + wchar_t *wname, *wvalue, *wassignment; + gchar *tem; + + g_return_val_if_fail (variable != NULL, FALSE); + g_return_val_if_fail (strchr (variable, '=') == NULL, FALSE); + g_return_val_if_fail (g_utf8_validate (variable, -1, NULL), FALSE); + g_return_val_if_fail (g_utf8_validate (value, -1, NULL), FALSE); + + if (!overwrite && g_getenv (variable) != NULL) + return TRUE; + + /* We want to (if possible) set both the environment variable copy + * kept by the C runtime and the one kept by the system. + * + * We can't use only the C runtime's putenv or _wputenv() as that + * won't work for arbitrary Unicode strings in a "non-Unicode" app + * (with main() and not wmain()). In a "main()" app the C runtime + * initializes the C runtime's environment table by converting the + * real (wide char) environment variables to system codepage, thus + * breaking those that aren't representable in the system codepage. + * + * As the C runtime's putenv() will also set the system copy, we do + * the putenv() first, then call SetEnvironmentValueW ourselves. + */ + + wname = g_utf8_to_utf16 (variable, -1, NULL, NULL, NULL); + wvalue = g_utf8_to_utf16 (value, -1, NULL, NULL, NULL); + tem = g_strconcat (variable, "=", value, NULL); + wassignment = g_utf8_to_utf16 (tem, -1, NULL, NULL, NULL); + + g_free (tem); + _wputenv (wassignment); + g_free (wassignment); + + retval = (SetEnvironmentVariableW (wname, wvalue) != 0); + + g_free (wname); + g_free (wvalue); + + return retval; + +#endif /* G_OS_WIN32 */ +} + +#ifdef HAVE__NSGETENVIRON +#define environ (*_NSGetEnviron()) +#elif !defined(G_OS_WIN32) + +/* According to the Single Unix Specification, environ is not in + * any system header, although unistd.h often declares it. + */ +extern char **environ; +#endif + +/** + * g_unsetenv: + * @variable: the environment variable to remove, must not contain '='. + * + * Removes an environment variable from the environment. + * + * Note that on some systems, when variables are overwritten, the memory + * used for the previous variables and its value isn't reclaimed. + * Furthermore, this function can't be guaranteed to operate in a + * threadsafe way. + * + * Since: 2.4 + **/ +void +g_unsetenv (const gchar *variable) +{ +#ifndef G_OS_WIN32 + +#ifdef HAVE_UNSETENV + g_return_if_fail (variable != NULL); + g_return_if_fail (strchr (variable, '=') == NULL); + + unsetenv (variable); +#else /* !HAVE_UNSETENV */ + int len; + gchar **e, **f; + + g_return_if_fail (variable != NULL); + g_return_if_fail (strchr (variable, '=') == NULL); + + len = strlen (variable); + + /* Mess directly with the environ array. + * This seems to be the only portable way to do this. + * + * Note that we remove *all* environment entries for + * the variable name, not just the first. + */ + e = f = environ; + while (*e != NULL) + { + if (strncmp (*e, variable, len) != 0 || (*e)[len] != '=') + { + *f = *e; + f++; + } + e++; + } + *f = NULL; +#endif /* !HAVE_UNSETENV */ + +#else /* G_OS_WIN32 */ + + wchar_t *wname, *wassignment; + gchar *tem; + + g_return_if_fail (variable != NULL); + g_return_if_fail (strchr (variable, '=') == NULL); + g_return_if_fail (g_utf8_validate (variable, -1, NULL)); + + wname = g_utf8_to_utf16 (variable, -1, NULL, NULL, NULL); + tem = g_strconcat (variable, "=", NULL); + wassignment = g_utf8_to_utf16 (tem, -1, NULL, NULL, NULL); + + g_free (tem); + _wputenv (wassignment); + g_free (wassignment); + + SetEnvironmentVariableW (wname, NULL); + + g_free (wname); + +#endif /* G_OS_WIN32 */ +} + +/** + * g_listenv: + * + * Gets the names of all variables set in the environment. + * + * Returns: a %NULL-terminated list of strings which must be freed + * with g_strfreev(). + * + * Programs that want to be portable to Windows should typically use + * this function and g_getenv() instead of using the environ array + * from the C library directly. On Windows, the strings in the environ + * array are in system codepage encoding, while in most of the typical + * use cases for environment variables in GLib-using programs you want + * the UTF-8 encoding that this function and g_getenv() provide. + * + * Since: 2.8 + */ +gchar ** +g_listenv (void) +{ +#ifndef G_OS_WIN32 + gchar **result, *eq; + gint len, i, j; + + len = g_strv_length (environ); + result = g_new0 (gchar *, len + 1); + + j = 0; + for (i = 0; i < len; i++) + { + eq = strchr (environ[i], '='); + if (eq) + result[j++] = g_strndup (environ[i], eq - environ[i]); + } + + result[j] = NULL; + + return result; +#else + gchar **result, *eq; + gint len = 0, j; + wchar_t *p, *q; + + p = (wchar_t *) GetEnvironmentStringsW (); + if (p != NULL) + { + q = p; + while (*q) + { + q += wcslen (q) + 1; + len++; + } + } + result = g_new0 (gchar *, len + 1); + + j = 0; + q = p; + while (*q) + { + result[j] = g_utf16_to_utf8 (q, -1, NULL, NULL, NULL); + if (result[j] != NULL) + { + eq = strchr (result[j], '='); + if (eq && eq > result[j]) + { + *eq = '\0'; + j++; + } + else + g_free (result[j]); + } + q += wcslen (q) + 1; + } + result[j] = NULL; + FreeEnvironmentStringsW (p); + + return result; +#endif +} + +G_LOCK_DEFINE_STATIC (g_utils_global); + +static gchar *g_tmp_dir = NULL; +static gchar *g_user_name = NULL; +static gchar *g_real_name = NULL; +static gchar *g_home_dir = NULL; +static gchar *g_host_name = NULL; + +#ifdef G_OS_WIN32 +/* System codepage versions of the above, kept at file level so that they, + * too, are produced only once. + */ +static gchar *g_tmp_dir_cp = NULL; +static gchar *g_user_name_cp = NULL; +static gchar *g_real_name_cp = NULL; +static gchar *g_home_dir_cp = NULL; +#endif + +static gchar *g_user_data_dir = NULL; +static gchar **g_system_data_dirs = NULL; +static gchar *g_user_cache_dir = NULL; +static gchar *g_user_config_dir = NULL; +static gchar **g_system_config_dirs = NULL; + +static gchar **g_user_special_dirs = NULL; + +/* fifteen minutes of fame for everybody */ +#define G_USER_DIRS_EXPIRE 15 * 60 + +#ifdef G_OS_WIN32 + +static gchar * +get_special_folder (int csidl) +{ + wchar_t path[MAX_PATH+1]; + HRESULT hr; + LPITEMIDLIST pidl = NULL; + BOOL b; + gchar *retval = NULL; + + hr = SHGetSpecialFolderLocation (NULL, csidl, &pidl); + if (hr == S_OK) + { + b = SHGetPathFromIDListW (pidl, path); + if (b) + retval = g_utf16_to_utf8 (path, -1, NULL, NULL, NULL); + CoTaskMemFree (pidl); + } + return retval; +} + +static char * +get_windows_directory_root (void) +{ + wchar_t wwindowsdir[MAX_PATH]; + + if (GetWindowsDirectoryW (wwindowsdir, G_N_ELEMENTS (wwindowsdir))) + { + /* Usually X:\Windows, but in terminal server environments + * might be an UNC path, AFAIK. + */ + char *windowsdir = g_utf16_to_utf8 (wwindowsdir, -1, NULL, NULL, NULL); + char *p; + + if (windowsdir == NULL) + return g_strdup ("C:\\"); + + p = (char *) g_path_skip_root (windowsdir); + if (G_IS_DIR_SEPARATOR (p[-1]) && p[-2] != ':') + p--; + *p = '\0'; + return windowsdir; + } + else + return g_strdup ("C:\\"); +} + +#endif + +/* HOLDS: g_utils_global_lock */ +static void +g_get_any_init_do (void) +{ + gchar hostname[100]; + + g_tmp_dir = g_strdup (g_getenv ("TMPDIR")); + if (g_tmp_dir == NULL || *g_tmp_dir == '\0') + g_tmp_dir = g_strdup (g_getenv ("TMP")); + if (g_tmp_dir == NULL || *g_tmp_dir == '\0') + g_tmp_dir = g_strdup (g_getenv ("TEMP")); + +#ifdef G_OS_WIN32 + if (g_tmp_dir == NULL || *g_tmp_dir == '\0') + g_tmp_dir = get_windows_directory_root (); +#else +#ifdef P_tmpdir + if (g_tmp_dir == NULL || *g_tmp_dir == '\0') + { + gsize k; + g_tmp_dir = g_strdup (P_tmpdir); + k = strlen (g_tmp_dir); + if (k > 1 && G_IS_DIR_SEPARATOR (g_tmp_dir[k - 1])) + g_tmp_dir[k - 1] = '\0'; + } +#endif + + if (g_tmp_dir == NULL || *g_tmp_dir == '\0') + { + g_tmp_dir = g_strdup ("/tmp"); + } +#endif /* !G_OS_WIN32 */ + +#ifdef G_OS_WIN32 + /* We check $HOME first for Win32, though it is a last resort for Unix + * where we prefer the results of getpwuid(). + */ + g_home_dir = g_strdup (g_getenv ("HOME")); + + /* Only believe HOME if it is an absolute path and exists */ + if (g_home_dir) + { + if (!(g_path_is_absolute (g_home_dir) && + g_file_test (g_home_dir, G_FILE_TEST_IS_DIR))) + { + g_free (g_home_dir); + g_home_dir = NULL; + } + } + + /* In case HOME is Unix-style (it happens), convert it to + * Windows style. + */ + if (g_home_dir) + { + gchar *p; + while ((p = strchr (g_home_dir, '/')) != NULL) + *p = '\\'; + } + + if (!g_home_dir) + { + /* USERPROFILE is probably the closest equivalent to $HOME? */ + if (g_getenv ("USERPROFILE") != NULL) + g_home_dir = g_strdup (g_getenv ("USERPROFILE")); + } + + if (!g_home_dir) + g_home_dir = get_special_folder (CSIDL_PROFILE); + + if (!g_home_dir) + g_home_dir = get_windows_directory_root (); +#endif /* G_OS_WIN32 */ + +#ifdef HAVE_PWD_H + { + struct passwd *pw = NULL; + gpointer buffer = NULL; + gint error; + gchar *logname; + +# if defined (HAVE_POSIX_GETPWUID_R) || defined (HAVE_NONPOSIX_GETPWUID_R) + struct passwd pwd; +# ifdef _SC_GETPW_R_SIZE_MAX + /* This reurns the maximum length */ + glong bufsize = sysconf (_SC_GETPW_R_SIZE_MAX); + + if (bufsize < 0) + bufsize = 64; +# else /* _SC_GETPW_R_SIZE_MAX */ + glong bufsize = 64; +# endif /* _SC_GETPW_R_SIZE_MAX */ + + logname = (gchar *) g_getenv ("LOGNAME"); + + do + { + g_free (buffer); + /* we allocate 6 extra bytes to work around a bug in + * Mac OS < 10.3. See #156446 + */ + buffer = g_malloc (bufsize + 6); + errno = 0; + +# ifdef HAVE_POSIX_GETPWUID_R + if (logname) { + error = getpwnam_r (logname, &pwd, buffer, bufsize, &pw); + if (!pw || (pw->pw_uid != getuid ())) { + /* LOGNAME is lying, fall back to looking up the uid */ + error = getpwuid_r (getuid (), &pwd, buffer, bufsize, &pw); + } + } else { + error = getpwuid_r (getuid (), &pwd, buffer, bufsize, &pw); + } + error = error < 0 ? errno : error; +# else /* HAVE_NONPOSIX_GETPWUID_R */ + /* HPUX 11 falls into the HAVE_POSIX_GETPWUID_R case */ +# if defined(_AIX) || defined(__hpux) + error = getpwuid_r (getuid (), &pwd, buffer, bufsize); + pw = error == 0 ? &pwd : NULL; +# else /* !_AIX */ + if (logname) { + pw = getpwnam_r (logname, &pwd, buffer, bufsize); + if (!pw || (pw->pw_uid != getuid ())) { + /* LOGNAME is lying, fall back to looking up the uid */ + pw = getpwuid_r (getuid (), &pwd, buffer, bufsize); + } + } else { + pw = getpwuid_r (getuid (), &pwd, buffer, bufsize); + } + error = pw ? 0 : errno; +# endif /* !_AIX */ +# endif /* HAVE_NONPOSIX_GETPWUID_R */ + + if (!pw) + { + /* we bail out prematurely if the user id can't be found + * (should be pretty rare case actually), or if the buffer + * should be sufficiently big and lookups are still not + * successfull. + */ + if (error == 0 || error == ENOENT) + { + g_warning ("getpwuid_r(): failed due to unknown user id (%lu)", + (gulong) getuid ()); + break; + } + if (bufsize > 32 * 1024) + { + g_warning ("getpwuid_r(): failed due to: %s.", + g_strerror (error)); + break; + } + + bufsize *= 2; + } + } + while (!pw); +# endif /* HAVE_POSIX_GETPWUID_R || HAVE_NONPOSIX_GETPWUID_R */ + + if (!pw) + { + setpwent (); + pw = getpwuid (getuid ()); + endpwent (); + } + if (pw) + { + g_user_name = g_strdup (pw->pw_name); + + if (pw->pw_gecos && *pw->pw_gecos != '\0') + { + gchar **gecos_fields; + gchar **name_parts; + + /* split the gecos field and substitute '&' */ + gecos_fields = g_strsplit (pw->pw_gecos, ",", 0); + name_parts = g_strsplit (gecos_fields[0], "&", 0); + pw->pw_name[0] = g_ascii_toupper (pw->pw_name[0]); + g_real_name = g_strjoinv (pw->pw_name, name_parts); + g_strfreev (gecos_fields); + g_strfreev (name_parts); + } + + if (!g_home_dir) + g_home_dir = g_strdup (pw->pw_dir); + } + g_free (buffer); + } + +#else /* !HAVE_PWD_H */ + +#ifdef G_OS_WIN32 + { + guint len = UNLEN+1; + wchar_t buffer[UNLEN+1]; + + if (GetUserNameW (buffer, (LPDWORD) &len)) + { + g_user_name = g_utf16_to_utf8 (buffer, -1, NULL, NULL, NULL); + g_real_name = g_strdup (g_user_name); + } + } +#endif /* G_OS_WIN32 */ + +#endif /* !HAVE_PWD_H */ + +#ifndef G_OS_WIN32 + if (!g_home_dir) + g_home_dir = g_strdup (g_getenv ("HOME")); +#endif + +#ifdef __EMX__ + /* change '\\' in %HOME% to '/' */ + g_strdelimit (g_home_dir, "\\",'/'); +#endif + if (!g_user_name) + g_user_name = g_strdup ("somebody"); + if (!g_real_name) + g_real_name = g_strdup ("Unknown"); + + { +#ifndef G_OS_WIN32 + gboolean hostname_fail = (gethostname (hostname, sizeof (hostname)) == -1); +#else + DWORD size = sizeof (hostname); + gboolean hostname_fail = (!GetComputerName (hostname, &size)); +#endif + g_host_name = g_strdup (hostname_fail ? "localhost" : hostname); + } + +#ifdef G_OS_WIN32 + g_tmp_dir_cp = g_locale_from_utf8 (g_tmp_dir, -1, NULL, NULL, NULL); + g_user_name_cp = g_locale_from_utf8 (g_user_name, -1, NULL, NULL, NULL); + g_real_name_cp = g_locale_from_utf8 (g_real_name, -1, NULL, NULL, NULL); + + if (!g_tmp_dir_cp) + g_tmp_dir_cp = g_strdup ("\\"); + if (!g_user_name_cp) + g_user_name_cp = g_strdup ("somebody"); + if (!g_real_name_cp) + g_real_name_cp = g_strdup ("Unknown"); + + /* home_dir might be NULL, unlike tmp_dir, user_name and + * real_name. + */ + if (g_home_dir) + g_home_dir_cp = g_locale_from_utf8 (g_home_dir, -1, NULL, NULL, NULL); + else + g_home_dir_cp = NULL; +#endif /* G_OS_WIN32 */ +} + +static inline void +g_get_any_init (void) +{ + if (!g_tmp_dir) + g_get_any_init_do (); +} + +static inline void +g_get_any_init_locked (void) +{ + G_LOCK (g_utils_global); + g_get_any_init (); + G_UNLOCK (g_utils_global); +} + + +/** + * g_get_user_name: + * + * Gets the user name of the current user. The encoding of the returned + * string is system-defined. On UNIX, it might be the preferred file name + * encoding, or something else, and there is no guarantee that it is even + * consistent on a machine. On Windows, it is always UTF-8. + * + * Returns: the user name of the current user. + */ +G_CONST_RETURN gchar* +g_get_user_name (void) +{ + g_get_any_init_locked (); + return g_user_name; +} + +/** + * g_get_real_name: + * + * Gets the real name of the user. This usually comes from the user's entry + * in the <filename>passwd</filename> file. The encoding of the returned + * string is system-defined. (On Windows, it is, however, always UTF-8.) + * If the real user name cannot be determined, the string "Unknown" is + * returned. + * + * Returns: the user's real name. + */ +G_CONST_RETURN gchar* +g_get_real_name (void) +{ + g_get_any_init_locked (); + return g_real_name; +} + +/** + * g_get_home_dir: + * + * Gets the current user's home directory as defined in the + * password database. + * + * Note that in contrast to traditional UNIX tools, this function + * prefers <filename>passwd</filename> entries over the <envar>HOME</envar> + * environment variable. + * + * One of the reasons for this decision is that applications in many + * cases need special handling to deal with the case where + * <envar>HOME</envar> is + * <simplelist> + * <member>Not owned by the user</member> + * <member>Not writeable</member> + * <member>Not even readable</member> + * </simplelist> + * Since applications are in general <emphasis>not</emphasis> written + * to deal with these situations it was considered better to make + * g_get_home_dir() not pay attention to <envar>HOME</envar> and to + * return the real home directory for the user. If applications + * want to pay attention to <envar>HOME</envar>, they can do: + * |[ + * const char *homedir = g_getenv ("HOME"); + * if (!homedir) + * homedir = g_get_home_dir (<!-- -->); + * ]| + * + * Returns: the current user's home directory + */ +G_CONST_RETURN gchar* +g_get_home_dir (void) +{ + g_get_any_init_locked (); + return g_home_dir; +} + +/** + * g_get_tmp_dir: + * + * Gets the directory to use for temporary files. This is found from + * inspecting the environment variables <envar>TMPDIR</envar>, + * <envar>TMP</envar>, and <envar>TEMP</envar> in that order. If none + * of those are defined "/tmp" is returned on UNIX and "C:\" on Windows. + * The encoding of the returned string is system-defined. On Windows, + * it is always UTF-8. The return value is never %NULL or the empty string. + * + * Returns: the directory to use for temporary files. + */ +G_CONST_RETURN gchar* +g_get_tmp_dir (void) +{ + g_get_any_init_locked (); + return g_tmp_dir; +} + +/** + * g_get_host_name: + * + * Return a name for the machine. + * + * The returned name is not necessarily a fully-qualified domain name, + * or even present in DNS or some other name service at all. It need + * not even be unique on your local network or site, but usually it + * is. Callers should not rely on the return value having any specific + * properties like uniqueness for security purposes. Even if the name + * of the machine is changed while an application is running, the + * return value from this function does not change. The returned + * string is owned by GLib and should not be modified or freed. If no + * name can be determined, a default fixed string "localhost" is + * returned. + * + * Returns: the host name of the machine. + * + * Since: 2.8 + */ +const gchar * +g_get_host_name (void) +{ + g_get_any_init_locked (); + return g_host_name; +} + +G_LOCK_DEFINE_STATIC (g_prgname); +static gchar *g_prgname = NULL; + +/** + * g_get_prgname: + * + * Gets the name of the program. This name should <emphasis>not</emphasis> + * be localized, contrast with g_get_application_name(). + * (If you are using GDK or GTK+ the program name is set in gdk_init(), + * which is called by gtk_init(). The program name is found by taking + * the last component of <literal>argv[0]</literal>.) + * + * Returns: the name of the program. The returned string belongs + * to GLib and must not be modified or freed. + */ +gchar* +g_get_prgname (void) +{ + gchar* retval; + + G_LOCK (g_prgname); +#ifdef G_OS_WIN32 + if (g_prgname == NULL) + { + static gboolean beenhere = FALSE; + + if (!beenhere) + { + gchar *utf8_buf = NULL; + wchar_t buf[MAX_PATH+1]; + + beenhere = TRUE; + if (GetModuleFileNameW (GetModuleHandle (NULL), + buf, G_N_ELEMENTS (buf)) > 0) + utf8_buf = g_utf16_to_utf8 (buf, -1, NULL, NULL, NULL); + + if (utf8_buf) + { + g_prgname = g_path_get_basename (utf8_buf); + g_free (utf8_buf); + } + } + } +#endif + retval = g_prgname; + G_UNLOCK (g_prgname); + + return retval; +} + +/** + * g_set_prgname: + * @prgname: the name of the program. + * + * Sets the name of the program. This name should <emphasis>not</emphasis> + * be localized, contrast with g_set_application_name(). Note that for + * thread-safety reasons this function can only be called once. + */ +void +g_set_prgname (const gchar *prgname) +{ + G_LOCK (g_prgname); + g_free (g_prgname); + g_prgname = g_strdup (prgname); + G_UNLOCK (g_prgname); +} + +G_LOCK_DEFINE_STATIC (g_application_name); +static gchar *g_application_name = NULL; + +/** + * g_get_application_name: + * + * Gets a human-readable name for the application, as set by + * g_set_application_name(). This name should be localized if + * possible, and is intended for display to the user. Contrast with + * g_get_prgname(), which gets a non-localized name. If + * g_set_application_name() has not been called, returns the result of + * g_get_prgname() (which may be %NULL if g_set_prgname() has also not + * been called). + * + * Return value: human-readable application name. may return %NULL + * + * Since: 2.2 + **/ +G_CONST_RETURN gchar* +g_get_application_name (void) +{ + gchar* retval; + + G_LOCK (g_application_name); + retval = g_application_name; + G_UNLOCK (g_application_name); + + if (retval == NULL) + return g_get_prgname (); + + return retval; +} + +/** + * g_set_application_name: + * @application_name: localized name of the application + * + * Sets a human-readable name for the application. This name should be + * localized if possible, and is intended for display to the user. + * Contrast with g_set_prgname(), which sets a non-localized name. + * g_set_prgname() will be called automatically by gtk_init(), + * but g_set_application_name() will not. + * + * Note that for thread safety reasons, this function can only + * be called once. + * + * The application name will be used in contexts such as error messages, + * or when displaying an application's name in the task list. + * + * Since: 2.2 + **/ +void +g_set_application_name (const gchar *application_name) +{ + gboolean already_set = FALSE; + + G_LOCK (g_application_name); + if (g_application_name) + already_set = TRUE; + else + g_application_name = g_strdup (application_name); + G_UNLOCK (g_application_name); + + if (already_set) + g_warning ("g_set_application_name() called multiple times"); +} + +/** + * g_get_user_data_dir: + * + * Returns a base directory in which to access application data such + * as icons that is customized for a particular user. + * + * On UNIX platforms this is determined using the mechanisms described in + * the <ulink url="http://www.freedesktop.org/Standards/basedir-spec"> + * XDG Base Directory Specification</ulink>. + * In this case the directory retrieved will be XDG_DATA_HOME. + * + * On Windows is the virtual folder that represents the My Documents + * desktop item. See documentation for CSIDL_PERSONAL. + * + * Return value: a string owned by GLib that must not be modified + * or freed. + * Since: 2.6 + **/ +G_CONST_RETURN gchar* +g_get_user_data_dir (void) +{ + gchar *data_dir; + + G_LOCK (g_utils_global); + + if (!g_user_data_dir) + { +#ifdef G_OS_WIN32 + data_dir = get_special_folder (CSIDL_PERSONAL); +#else + data_dir = (gchar *) g_getenv ("XDG_DATA_HOME"); + + if (data_dir && data_dir[0]) + data_dir = g_strdup (data_dir); +#endif + if (!data_dir || !data_dir[0]) + { + g_get_any_init (); + + if (g_home_dir) + data_dir = g_build_filename (g_home_dir, ".local", + "share", NULL); + else + data_dir = g_build_filename (g_tmp_dir, g_user_name, ".local", + "share", NULL); + } + + g_user_data_dir = data_dir; + } + else + data_dir = g_user_data_dir; + + G_UNLOCK (g_utils_global); + + return data_dir; +} + +static void +g_init_user_config_dir (void) +{ + gchar *config_dir; + + if (!g_user_config_dir) + { +#ifdef G_OS_WIN32 + config_dir = get_special_folder (CSIDL_APPDATA); +#else + config_dir = (gchar *) g_getenv ("XDG_CONFIG_HOME"); + + if (config_dir && config_dir[0]) + config_dir = g_strdup (config_dir); +#endif + if (!config_dir || !config_dir[0]) + { + g_get_any_init (); + + if (g_home_dir) + config_dir = g_build_filename (g_home_dir, ".config", NULL); + else + config_dir = g_build_filename (g_tmp_dir, g_user_name, ".config", NULL); + } + + g_user_config_dir = config_dir; + } +} + +/** + * g_get_user_config_dir: + * + * Returns a base directory in which to store user-specific application + * configuration information such as user preferences and settings. + * + * On UNIX platforms this is determined using the mechanisms described in + * the <ulink url="http://www.freedesktop.org/Standards/basedir-spec"> + * XDG Base Directory Specification</ulink>. + * In this case the directory retrieved will be XDG_CONFIG_HOME. + * + * On Windows is the directory that serves as a common repository for + * application-specific data. A typical path is + * C:\Documents and Settings\username\Application. See documentation for + * CSIDL_APPDATA. + * + * Return value: a string owned by GLib that must not be modified + * or freed. + * Since: 2.6 + **/ +G_CONST_RETURN gchar* +g_get_user_config_dir (void) +{ + G_LOCK (g_utils_global); + + g_init_user_config_dir (); + + G_UNLOCK (g_utils_global); + + return g_user_config_dir; +} + +/** + * g_get_user_cache_dir: + * + * Returns a base directory in which to store non-essential, cached + * data specific to particular user. + * + * On UNIX platforms this is determined using the mechanisms described in + * the <ulink url="http://www.freedesktop.org/Standards/basedir-spec"> + * XDG Base Directory Specification</ulink>. + * In this case the directory retrieved will be XDG_CACHE_HOME. + * + * On Windows is the directory that serves as a common repository for + * temporary Internet files. A typical path is + * C:\Documents and Settings\username\Local Settings\Temporary Internet Files. + * See documentation for CSIDL_INTERNET_CACHE. + * + * Return value: a string owned by GLib that must not be modified + * or freed. + * Since: 2.6 + **/ +G_CONST_RETURN gchar* +g_get_user_cache_dir (void) +{ + gchar *cache_dir; + + G_LOCK (g_utils_global); + + if (!g_user_cache_dir) + { +#ifdef G_OS_WIN32 + cache_dir = get_special_folder (CSIDL_INTERNET_CACHE); /* XXX correct? */ +#else + cache_dir = (gchar *) g_getenv ("XDG_CACHE_HOME"); + + if (cache_dir && cache_dir[0]) + cache_dir = g_strdup (cache_dir); +#endif + if (!cache_dir || !cache_dir[0]) + { + g_get_any_init (); + + if (g_home_dir) + cache_dir = g_build_filename (g_home_dir, ".cache", NULL); + else + cache_dir = g_build_filename (g_tmp_dir, g_user_name, ".cache", NULL); + } + g_user_cache_dir = cache_dir; + } + else + cache_dir = g_user_cache_dir; + + G_UNLOCK (g_utils_global); + + return cache_dir; +} + +#ifdef HAVE_CARBON + +static gchar * +find_folder (OSType type) +{ + gchar *filename = NULL; + FSRef found; + + if (FSFindFolder (kUserDomain, type, kDontCreateFolder, &found) == noErr) + { + CFURLRef url = CFURLCreateFromFSRef (kCFAllocatorSystemDefault, &found); + + if (url) + { + CFStringRef path = CFURLCopyFileSystemPath (url, kCFURLPOSIXPathStyle); + + if (path) + { + filename = g_strdup (CFStringGetCStringPtr (path, kCFStringEncodingUTF8)); + + if (! filename) + { + filename = g_new0 (gchar, CFStringGetLength (path) * 3 + 1); + + CFStringGetCString (path, filename, + CFStringGetLength (path) * 3 + 1, + kCFStringEncodingUTF8); + } + + CFRelease (path); + } + + CFRelease (url); + } + } + + return filename; +} + +static void +load_user_special_dirs (void) +{ + g_user_special_dirs[G_USER_DIRECTORY_DESKTOP] = find_folder (kDesktopFolderType); + g_user_special_dirs[G_USER_DIRECTORY_DOCUMENTS] = find_folder (kDocumentsFolderType); + g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = find_folder (kDesktopFolderType); /* XXX correct ? */ + g_user_special_dirs[G_USER_DIRECTORY_MUSIC] = find_folder (kMusicDocumentsFolderType); + g_user_special_dirs[G_USER_DIRECTORY_PICTURES] = find_folder (kPictureDocumentsFolderType); + g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = NULL; + g_user_special_dirs[G_USER_DIRECTORY_TEMPLATES] = NULL; + g_user_special_dirs[G_USER_DIRECTORY_VIDEOS] = find_folder (kMovieDocumentsFolderType); +} + +#endif /* HAVE_CARBON */ + +#if defined(G_OS_WIN32) +static void +load_user_special_dirs (void) +{ + typedef HRESULT (WINAPI *t_SHGetKnownFolderPath) (const GUID *rfid, + DWORD dwFlags, + HANDLE hToken, + PWSTR *ppszPath); + t_SHGetKnownFolderPath p_SHGetKnownFolderPath; + + static const GUID FOLDERID_Downloads = + { 0x374de290, 0x123f, 0x4565, { 0x91, 0x64, 0x39, 0xc4, 0x92, 0x5e, 0x46, 0x7b } }; + static const GUID FOLDERID_Public = + { 0xDFDF76A2, 0xC82A, 0x4D63, { 0x90, 0x6A, 0x56, 0x44, 0xAC, 0x45, 0x73, 0x85 } }; + + wchar_t *wcp; + + p_SHGetKnownFolderPath = (t_SHGetKnownFolderPath) GetProcAddress (GetModuleHandle ("shell32.dll"), + "SHGetKnownFolderPath"); + + g_user_special_dirs[G_USER_DIRECTORY_DESKTOP] = get_special_folder (CSIDL_DESKTOPDIRECTORY); + g_user_special_dirs[G_USER_DIRECTORY_DOCUMENTS] = get_special_folder (CSIDL_PERSONAL); + + if (p_SHGetKnownFolderPath == NULL) + { + g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = get_special_folder (CSIDL_DESKTOPDIRECTORY); + } + else + { + wcp = NULL; + (*p_SHGetKnownFolderPath) (&FOLDERID_Downloads, 0, NULL, &wcp); + g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = g_utf16_to_utf8 (wcp, -1, NULL, NULL, NULL); + if (g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] == NULL) + g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = get_special_folder (CSIDL_DESKTOPDIRECTORY); + CoTaskMemFree (wcp); + } + + g_user_special_dirs[G_USER_DIRECTORY_MUSIC] = get_special_folder (CSIDL_MYMUSIC); + g_user_special_dirs[G_USER_DIRECTORY_PICTURES] = get_special_folder (CSIDL_MYPICTURES); + + if (p_SHGetKnownFolderPath == NULL) + { + /* XXX */ + g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = get_special_folder (CSIDL_COMMON_DOCUMENTS); + } + else + { + wcp = NULL; + (*p_SHGetKnownFolderPath) (&FOLDERID_Public, 0, NULL, &wcp); + g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = g_utf16_to_utf8 (wcp, -1, NULL, NULL, NULL); + if (g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] == NULL) + g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = get_special_folder (CSIDL_COMMON_DOCUMENTS); + CoTaskMemFree (wcp); + } + + g_user_special_dirs[G_USER_DIRECTORY_TEMPLATES] = get_special_folder (CSIDL_TEMPLATES); + g_user_special_dirs[G_USER_DIRECTORY_VIDEOS] = get_special_folder (CSIDL_MYVIDEO); +} +#endif /* G_OS_WIN32 */ + +static void g_init_user_config_dir (void); + +#if defined(G_OS_UNIX) && !defined(HAVE_CARBON) + +/* adapted from xdg-user-dir-lookup.c + * + * Copyright (C) 2007 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation files + * (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +static void +load_user_special_dirs (void) +{ + gchar *config_file; + gchar *data; + gchar **lines; + gint n_lines, i; + + g_init_user_config_dir (); + config_file = g_build_filename (g_user_config_dir, + "user-dirs.dirs", + NULL); + + if (!g_file_get_contents (config_file, &data, NULL, NULL)) + { + g_free (config_file); + return; + } + + lines = g_strsplit (data, "\n", -1); + n_lines = g_strv_length (lines); + g_free (data); + + for (i = 0; i < n_lines; i++) + { + gchar *buffer = lines[i]; + gchar *d, *p; + gint len; + gboolean is_relative = FALSE; + GUserDirectory directory; + + /* Remove newline at end */ + len = strlen (buffer); + if (len > 0 && buffer[len - 1] == '\n') + buffer[len - 1] = 0; + + p = buffer; + while (*p == ' ' || *p == '\t') + p++; + + if (strncmp (p, "XDG_DESKTOP_DIR", strlen ("XDG_DESKTOP_DIR")) == 0) + { + directory = G_USER_DIRECTORY_DESKTOP; + p += strlen ("XDG_DESKTOP_DIR"); + } + else if (strncmp (p, "XDG_DOCUMENTS_DIR", strlen ("XDG_DOCUMENTS_DIR")) == 0) + { + directory = G_USER_DIRECTORY_DOCUMENTS; + p += strlen ("XDG_DOCUMENTS_DIR"); + } + else if (strncmp (p, "XDG_DOWNLOAD_DIR", strlen ("XDG_DOWNLOAD_DIR")) == 0) + { + directory = G_USER_DIRECTORY_DOWNLOAD; + p += strlen ("XDG_DOWNLOAD_DIR"); + } + else if (strncmp (p, "XDG_MUSIC_DIR", strlen ("XDG_MUSIC_DIR")) == 0) + { + directory = G_USER_DIRECTORY_MUSIC; + p += strlen ("XDG_MUSIC_DIR"); + } + else if (strncmp (p, "XDG_PICTURES_DIR", strlen ("XDG_PICTURES_DIR")) == 0) + { + directory = G_USER_DIRECTORY_PICTURES; + p += strlen ("XDG_PICTURES_DIR"); + } + else if (strncmp (p, "XDG_PUBLICSHARE_DIR", strlen ("XDG_PUBLICSHARE_DIR")) == 0) + { + directory = G_USER_DIRECTORY_PUBLIC_SHARE; + p += strlen ("XDG_PUBLICSHARE_DIR"); + } + else if (strncmp (p, "XDG_TEMPLATES_DIR", strlen ("XDG_TEMPLATES_DIR")) == 0) + { + directory = G_USER_DIRECTORY_TEMPLATES; + p += strlen ("XDG_TEMPLATES_DIR"); + } + else if (strncmp (p, "XDG_VIDEOS_DIR", strlen ("XDG_VIDEOS_DIR")) == 0) + { + directory = G_USER_DIRECTORY_VIDEOS; + p += strlen ("XDG_VIDEOS_DIR"); + } + else + continue; + + while (*p == ' ' || *p == '\t') + p++; + + if (*p != '=') + continue; + p++; + + while (*p == ' ' || *p == '\t') + p++; + + if (*p != '"') + continue; + p++; + + if (strncmp (p, "$HOME", 5) == 0) + { + p += 5; + is_relative = TRUE; + } + else if (*p != '/') + continue; + + d = strrchr (p, '"'); + if (!d) + continue; + *d = 0; + + d = p; + + /* remove trailing slashes */ + len = strlen (d); + if (d[len - 1] == '/') + d[len - 1] = 0; + + if (is_relative) + { + g_get_any_init (); + g_user_special_dirs[directory] = g_build_filename (g_home_dir, d, NULL); + } + else + g_user_special_dirs[directory] = g_strdup (d); + } + + g_strfreev (lines); + g_free (config_file); +} + +#endif /* G_OS_UNIX && !HAVE_CARBON */ + + +/** + * g_reload_user_special_dirs_cache: + * + * Resets the cache used for g_get_user_special_dir(), so + * that the latest on-disk version is used. Call this only + * if you just changed the data on disk yourself. + * + * Due to threadsafety issues this may cause leaking of strings + * that were previously returned from g_get_user_special_dir() + * that can't be freed. We ensure to only leak the data for + * the directories that actually changed value though. + * + * Since: 2.22 + */ +void +g_reload_user_special_dirs_cache (void) +{ + int i; + + G_LOCK (g_utils_global); + + if (g_user_special_dirs != NULL) + { + /* save a copy of the pointer, to check if some memory can be preserved */ + char **old_g_user_special_dirs = g_user_special_dirs; + char *old_val; + + /* recreate and reload our cache */ + g_user_special_dirs = g_new0 (gchar *, G_USER_N_DIRECTORIES); + load_user_special_dirs (); + + /* only leak changed directories */ + for (i = 0; i < G_USER_N_DIRECTORIES; i++) + { + old_val = old_g_user_special_dirs[i]; + if (g_strcmp0 (old_val, g_user_special_dirs[i]) == 0) + { + /* don't leak */ + g_free (g_user_special_dirs[i]); + g_user_special_dirs[i] = old_val; + } + else + g_free (old_val); + } + + /* free the old array */ + g_free (old_g_user_special_dirs); + } + + G_UNLOCK (g_utils_global); +} + +/** + * g_get_user_special_dir: + * @directory: the logical id of special directory + * + * Returns the full path of a special directory using its logical id. + * + * On Unix this is done using the XDG special user directories. + * For compatibility with existing practise, %G_USER_DIRECTORY_DESKTOP + * falls back to <filename>$HOME/Desktop</filename> when XDG special + * user directories have not been set up. + * + * Depending on the platform, the user might be able to change the path + * of the special directory without requiring the session to restart; GLib + * will not reflect any change once the special directories are loaded. + * + * Return value: the path to the specified special directory, or %NULL + * if the logical id was not found. The returned string is owned by + * GLib and should not be modified or freed. + * + * Since: 2.14 + */ +G_CONST_RETURN gchar * +g_get_user_special_dir (GUserDirectory directory) +{ + g_return_val_if_fail (directory >= G_USER_DIRECTORY_DESKTOP && + directory < G_USER_N_DIRECTORIES, NULL); + + G_LOCK (g_utils_global); + + if (G_UNLIKELY (g_user_special_dirs == NULL)) + { + g_user_special_dirs = g_new0 (gchar *, G_USER_N_DIRECTORIES); + + load_user_special_dirs (); + + /* Special-case desktop for historical compatibility */ + if (g_user_special_dirs[G_USER_DIRECTORY_DESKTOP] == NULL) + { + g_get_any_init (); + + g_user_special_dirs[G_USER_DIRECTORY_DESKTOP] = + g_build_filename (g_home_dir, "Desktop", NULL); + } + } + + G_UNLOCK (g_utils_global); + + return g_user_special_dirs[directory]; +} + +#ifdef G_OS_WIN32 + +#undef g_get_system_data_dirs + +static HMODULE +get_module_for_address (gconstpointer address) +{ + /* Holds the g_utils_global lock */ + + static gboolean beenhere = FALSE; + typedef BOOL (WINAPI *t_GetModuleHandleExA) (DWORD, LPCTSTR, HMODULE *); + static t_GetModuleHandleExA p_GetModuleHandleExA = NULL; + HMODULE hmodule = NULL; + + if (!address) + return NULL; + + if (!beenhere) + { + p_GetModuleHandleExA = + (t_GetModuleHandleExA) GetProcAddress (GetModuleHandle ("kernel32.dll"), + "GetModuleHandleExA"); + beenhere = TRUE; + } + + if (p_GetModuleHandleExA == NULL || + !(*p_GetModuleHandleExA) (GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT | + GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, + address, &hmodule)) + { + MEMORY_BASIC_INFORMATION mbi; + VirtualQuery (address, &mbi, sizeof (mbi)); + hmodule = (HMODULE) mbi.AllocationBase; + } + + return hmodule; +} + +static gchar * +get_module_share_dir (gconstpointer address) +{ + HMODULE hmodule; + gchar *filename; + gchar *retval; + + hmodule = get_module_for_address (address); + if (hmodule == NULL) + return NULL; + + filename = g_win32_get_package_installation_directory_of_module (hmodule); + retval = g_build_filename (filename, "share", NULL); + g_free (filename); + + return retval; +} + +G_CONST_RETURN gchar * G_CONST_RETURN * +g_win32_get_system_data_dirs_for_module (void (*address_of_function)()) +{ + GArray *data_dirs; + HMODULE hmodule; + static GHashTable *per_module_data_dirs = NULL; + gchar **retval; + gchar *p; + gchar *exe_root; + + if (address_of_function) + { + G_LOCK (g_utils_global); + hmodule = get_module_for_address (address_of_function); + if (hmodule != NULL) + { + if (per_module_data_dirs == NULL) + per_module_data_dirs = g_hash_table_new (NULL, NULL); + else + { + retval = g_hash_table_lookup (per_module_data_dirs, hmodule); + + if (retval != NULL) + { + G_UNLOCK (g_utils_global); + return (G_CONST_RETURN gchar * G_CONST_RETURN *) retval; + } + } + } + } + + data_dirs = g_array_new (TRUE, TRUE, sizeof (char *)); + + /* Documents and Settings\All Users\Application Data */ + p = get_special_folder (CSIDL_COMMON_APPDATA); + if (p) + g_array_append_val (data_dirs, p); + + /* Documents and Settings\All Users\Documents */ + p = get_special_folder (CSIDL_COMMON_DOCUMENTS); + if (p) + g_array_append_val (data_dirs, p); + + /* Using the above subfolders of Documents and Settings perhaps + * makes sense from a Windows perspective. + * + * But looking at the actual use cases of this function in GTK+ + * and GNOME software, what we really want is the "share" + * subdirectory of the installation directory for the package + * our caller is a part of. + * + * The address_of_function parameter, if non-NULL, points to a + * function in the calling module. Use that to determine that + * module's installation folder, and use its "share" subfolder. + * + * Additionally, also use the "share" subfolder of the installation + * locations of GLib and the .exe file being run. + * + * To guard against none of the above being what is really wanted, + * callers of this function should have Win32-specific code to look + * up their installation folder themselves, and handle a subfolder + * "share" of it in the same way as the folders returned from this + * function. + */ + + p = get_module_share_dir (address_of_function); + if (p) + g_array_append_val (data_dirs, p); + + if (glib_dll != NULL) + { + gchar *glib_root = g_win32_get_package_installation_directory_of_module (glib_dll); + p = g_build_filename (glib_root, "share", NULL); + if (p) + g_array_append_val (data_dirs, p); + g_free (glib_root); + } + + exe_root = g_win32_get_package_installation_directory_of_module (NULL); + p = g_build_filename (exe_root, "share", NULL); + if (p) + g_array_append_val (data_dirs, p); + g_free (exe_root); + + retval = (gchar **) g_array_free (data_dirs, FALSE); + + if (address_of_function) + { + if (hmodule != NULL) + g_hash_table_insert (per_module_data_dirs, hmodule, retval); + G_UNLOCK (g_utils_global); + } + + return (G_CONST_RETURN gchar * G_CONST_RETURN *) retval; +} + +#endif + +/** + * g_get_system_data_dirs: + * + * Returns an ordered list of base directories in which to access + * system-wide application data. + * + * On UNIX platforms this is determined using the mechanisms described in + * the <ulink url="http://www.freedesktop.org/Standards/basedir-spec"> + * XDG Base Directory Specification</ulink> + * In this case the list of directories retrieved will be XDG_DATA_DIRS. + * + * On Windows the first elements in the list are the Application Data + * and Documents folders for All Users. (These can be determined only + * on Windows 2000 or later and are not present in the list on other + * Windows versions.) See documentation for CSIDL_COMMON_APPDATA and + * CSIDL_COMMON_DOCUMENTS. + * + * Then follows the "share" subfolder in the installation folder for + * the package containing the DLL that calls this function, if it can + * be determined. + * + * Finally the list contains the "share" subfolder in the installation + * folder for GLib, and in the installation folder for the package the + * application's .exe file belongs to. + * + * The installation folders above are determined by looking up the + * folder where the module (DLL or EXE) in question is located. If the + * folder's name is "bin", its parent is used, otherwise the folder + * itself. + * + * Note that on Windows the returned list can vary depending on where + * this function is called. + * + * Return value: a %NULL-terminated array of strings owned by GLib that must + * not be modified or freed. + * Since: 2.6 + **/ +G_CONST_RETURN gchar * G_CONST_RETURN * +g_get_system_data_dirs (void) +{ + gchar **data_dir_vector; + + G_LOCK (g_utils_global); + + if (!g_system_data_dirs) + { +#ifdef G_OS_WIN32 + data_dir_vector = (gchar **) g_win32_get_system_data_dirs_for_module (NULL); +#else + gchar *data_dirs = (gchar *) g_getenv ("XDG_DATA_DIRS"); + + if (!data_dirs || !data_dirs[0]) + data_dirs = "/usr/local/share/:/usr/share/"; + + data_dir_vector = g_strsplit (data_dirs, G_SEARCHPATH_SEPARATOR_S, 0); +#endif + + g_system_data_dirs = data_dir_vector; + } + else + data_dir_vector = g_system_data_dirs; + + G_UNLOCK (g_utils_global); + + return (G_CONST_RETURN gchar * G_CONST_RETURN *) data_dir_vector; +} + +/** + * g_get_system_config_dirs: + * + * Returns an ordered list of base directories in which to access + * system-wide configuration information. + * + * On UNIX platforms this is determined using the mechanisms described in + * the <ulink url="http://www.freedesktop.org/Standards/basedir-spec"> + * XDG Base Directory Specification</ulink>. + * In this case the list of directories retrieved will be XDG_CONFIG_DIRS. + * + * On Windows is the directory that contains application data for all users. + * A typical path is C:\Documents and Settings\All Users\Application Data. + * This folder is used for application data that is not user specific. + * For example, an application can store a spell-check dictionary, a database + * of clip art, or a log file in the CSIDL_COMMON_APPDATA folder. + * This information will not roam and is available to anyone using the computer. + * + * Return value: a %NULL-terminated array of strings owned by GLib that must + * not be modified or freed. + * Since: 2.6 + **/ +G_CONST_RETURN gchar * G_CONST_RETURN * +g_get_system_config_dirs (void) +{ + gchar *conf_dirs, **conf_dir_vector; + + G_LOCK (g_utils_global); + + if (!g_system_config_dirs) + { +#ifdef G_OS_WIN32 + conf_dirs = get_special_folder (CSIDL_COMMON_APPDATA); + if (conf_dirs) + { + conf_dir_vector = g_strsplit (conf_dirs, G_SEARCHPATH_SEPARATOR_S, 0); + g_free (conf_dirs); + } + else + { + /* Return empty list */ + conf_dir_vector = g_strsplit ("", G_SEARCHPATH_SEPARATOR_S, 0); + } +#else + conf_dirs = (gchar *) g_getenv ("XDG_CONFIG_DIRS"); + + if (!conf_dirs || !conf_dirs[0]) + conf_dirs = "/etc/xdg"; + + conf_dir_vector = g_strsplit (conf_dirs, G_SEARCHPATH_SEPARATOR_S, 0); +#endif + + g_system_config_dirs = conf_dir_vector; + } + else + conf_dir_vector = g_system_config_dirs; + G_UNLOCK (g_utils_global); + + return (G_CONST_RETURN gchar * G_CONST_RETURN *) conf_dir_vector; +} + +#ifndef G_OS_WIN32 + +static GHashTable *alias_table = NULL; + +/* read an alias file for the locales */ +static void +read_aliases (gchar *file) +{ + FILE *fp; + char buf[256]; + + if (!alias_table) + alias_table = g_hash_table_new (g_str_hash, g_str_equal); + fp = fopen (file,"r"); + if (!fp) + return; + while (fgets (buf, 256, fp)) + { + char *p, *q; + + g_strstrip (buf); + + /* Line is a comment */ + if ((buf[0] == '#') || (buf[0] == '\0')) + continue; + + /* Reads first column */ + for (p = buf, q = NULL; *p; p++) { + if ((*p == '\t') || (*p == ' ') || (*p == ':')) { + *p = '\0'; + q = p+1; + while ((*q == '\t') || (*q == ' ')) { + q++; + } + break; + } + } + /* The line only had one column */ + if (!q || *q == '\0') + continue; + + /* Read second column */ + for (p = q; *p; p++) { + if ((*p == '\t') || (*p == ' ')) { + *p = '\0'; + break; + } + } + + /* Add to alias table if necessary */ + if (!g_hash_table_lookup (alias_table, buf)) { + g_hash_table_insert (alias_table, g_strdup (buf), g_strdup (q)); + } + } + fclose (fp); +} + +#endif + +static char * +unalias_lang (char *lang) +{ +#ifndef G_OS_WIN32 + char *p; + int i; + + if (!alias_table) + read_aliases ("/usr/share/locale/locale.alias"); + + i = 0; + while ((p = g_hash_table_lookup (alias_table, lang)) && (strcmp (p, lang) != 0)) + { + lang = p; + if (i++ == 30) + { + static gboolean said_before = FALSE; + if (!said_before) + g_warning ("Too many alias levels for a locale, " + "may indicate a loop"); + said_before = TRUE; + return lang; + } + } +#endif + return lang; +} + +/* Mask for components of locale spec. The ordering here is from + * least significant to most significant + */ +enum +{ + COMPONENT_CODESET = 1 << 0, + COMPONENT_TERRITORY = 1 << 1, + COMPONENT_MODIFIER = 1 << 2 +}; + +/* Break an X/Open style locale specification into components + */ +static guint +explode_locale (const gchar *locale, + gchar **language, + gchar **territory, + gchar **codeset, + gchar **modifier) +{ + const gchar *uscore_pos; + const gchar *at_pos; + const gchar *dot_pos; + + guint mask = 0; + + uscore_pos = strchr (locale, '_'); + dot_pos = strchr (uscore_pos ? uscore_pos : locale, '.'); + at_pos = strchr (dot_pos ? dot_pos : (uscore_pos ? uscore_pos : locale), '@'); + + if (at_pos) + { + mask |= COMPONENT_MODIFIER; + *modifier = g_strdup (at_pos); + } + else + at_pos = locale + strlen (locale); + + if (dot_pos) + { + mask |= COMPONENT_CODESET; + *codeset = g_strndup (dot_pos, at_pos - dot_pos); + } + else + dot_pos = at_pos; + + if (uscore_pos) + { + mask |= COMPONENT_TERRITORY; + *territory = g_strndup (uscore_pos, dot_pos - uscore_pos); + } + else + uscore_pos = dot_pos; + + *language = g_strndup (locale, uscore_pos - locale); + + return mask; +} + +/* + * Compute all interesting variants for a given locale name - + * by stripping off different components of the value. + * + * For simplicity, we assume that the locale is in + * X/Open format: language[_territory][.codeset][@modifier] + * + * TODO: Extend this to handle the CEN format (see the GNUlibc docs) + * as well. We could just copy the code from glibc wholesale + * but it is big, ugly, and complicated, so I'm reluctant + * to do so when this should handle 99% of the time... + */ +GSList * +_g_compute_locale_variants (const gchar *locale) +{ + GSList *retval = NULL; + + gchar *language = NULL; + gchar *territory = NULL; + gchar *codeset = NULL; + gchar *modifier = NULL; + + guint mask; + guint i; + + g_return_val_if_fail (locale != NULL, NULL); + + mask = explode_locale (locale, &language, &territory, &codeset, &modifier); + + /* Iterate through all possible combinations, from least attractive + * to most attractive. + */ + for (i = 0; i <= mask; i++) + if ((i & ~mask) == 0) + { + gchar *val = g_strconcat (language, + (i & COMPONENT_TERRITORY) ? territory : "", + (i & COMPONENT_CODESET) ? codeset : "", + (i & COMPONENT_MODIFIER) ? modifier : "", + NULL); + retval = g_slist_prepend (retval, val); + } + + g_free (language); + if (mask & COMPONENT_CODESET) + g_free (codeset); + if (mask & COMPONENT_TERRITORY) + g_free (territory); + if (mask & COMPONENT_MODIFIER) + g_free (modifier); + + return retval; +} + +/* The following is (partly) taken from the gettext package. + Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. */ + +static const gchar * +guess_category_value (const gchar *category_name) +{ + const gchar *retval; + + /* The highest priority value is the `LANGUAGE' environment + variable. This is a GNU extension. */ + retval = g_getenv ("LANGUAGE"); + if ((retval != NULL) && (retval[0] != '\0')) + return retval; + + /* `LANGUAGE' is not set. So we have to proceed with the POSIX + methods of looking to `LC_ALL', `LC_xxx', and `LANG'. On some + systems this can be done by the `setlocale' function itself. */ + + /* Setting of LC_ALL overwrites all other. */ + retval = g_getenv ("LC_ALL"); + if ((retval != NULL) && (retval[0] != '\0')) + return retval; + + /* Next comes the name of the desired category. */ + retval = g_getenv (category_name); + if ((retval != NULL) && (retval[0] != '\0')) + return retval; + + /* Last possibility is the LANG environment variable. */ + retval = g_getenv ("LANG"); + if ((retval != NULL) && (retval[0] != '\0')) + return retval; + +#ifdef G_PLATFORM_WIN32 + /* g_win32_getlocale() first checks for LC_ALL, LC_MESSAGES and + * LANG, which we already did above. Oh well. The main point of + * calling g_win32_getlocale() is to get the thread's locale as used + * by Windows and the Microsoft C runtime (in the "English_United + * States" format) translated into the Unixish format. + */ + { + char *locale = g_win32_getlocale (); + retval = g_intern_string (locale); + g_free (locale); + return retval; + } +#endif + + return NULL; +} + +typedef struct _GLanguageNamesCache GLanguageNamesCache; + +struct _GLanguageNamesCache { + gchar *languages; + gchar **language_names; +}; + +static void +language_names_cache_free (gpointer data) +{ + GLanguageNamesCache *cache = data; + g_free (cache->languages); + g_strfreev (cache->language_names); + g_free (cache); +} + +/** + * g_get_language_names: + * + * Computes a list of applicable locale names, which can be used to + * e.g. construct locale-dependent filenames or search paths. The returned + * list is sorted from most desirable to least desirable and always contains + * the default locale "C". + * + * For example, if LANGUAGE=de:en_US, then the returned list is + * "de", "en_US", "en", "C". + * + * This function consults the environment variables <envar>LANGUAGE</envar>, + * <envar>LC_ALL</envar>, <envar>LC_MESSAGES</envar> and <envar>LANG</envar> + * to find the list of locales specified by the user. + * + * Return value: a %NULL-terminated array of strings owned by GLib + * that must not be modified or freed. + * + * Since: 2.6 + **/ +G_CONST_RETURN gchar * G_CONST_RETURN * +g_get_language_names (void) +{ + static GStaticPrivate cache_private = G_STATIC_PRIVATE_INIT; + GLanguageNamesCache *cache = g_static_private_get (&cache_private); + const gchar *value; + + if (!cache) + { + cache = g_new0 (GLanguageNamesCache, 1); + g_static_private_set (&cache_private, cache, language_names_cache_free); + } + + value = guess_category_value ("LC_MESSAGES"); + if (!value) + value = "C"; + + if (!(cache->languages && strcmp (cache->languages, value) == 0)) + { + gchar **languages; + gchar **alist, **a; + GSList *list, *l; + gint i; + + g_free (cache->languages); + g_strfreev (cache->language_names); + cache->languages = g_strdup (value); + + alist = g_strsplit (value, ":", 0); + list = NULL; + for (a = alist; *a; a++) + { + gchar *b = unalias_lang (*a); + list = g_slist_concat (list, _g_compute_locale_variants (b)); + } + g_strfreev (alist); + list = g_slist_append (list, g_strdup ("C")); + + cache->language_names = languages = g_new (gchar *, g_slist_length (list) + 1); + for (l = list, i = 0; l; l = l->next, i++) + languages[i] = l->data; + languages[i] = NULL; + + g_slist_free (list); + } + + return (G_CONST_RETURN gchar * G_CONST_RETURN *) cache->language_names; +} + +/** + * g_direct_hash: + * @v: a #gpointer key + * + * Converts a gpointer to a hash value. + * It can be passed to g_hash_table_new() as the @hash_func parameter, + * when using pointers as keys in a #GHashTable. + * + * Returns: a hash value corresponding to the key. + */ +guint +g_direct_hash (gconstpointer v) +{ + return GPOINTER_TO_UINT (v); +} + +/** + * g_direct_equal: + * @v1: a key. + * @v2: a key to compare with @v1. + * + * Compares two #gpointer arguments and returns %TRUE if they are equal. + * It can be passed to g_hash_table_new() as the @key_equal_func + * parameter, when using pointers as keys in a #GHashTable. + * + * Returns: %TRUE if the two keys match. + */ +gboolean +g_direct_equal (gconstpointer v1, + gconstpointer v2) +{ + return v1 == v2; +} + +/** + * g_int_equal: + * @v1: a pointer to a #gint key. + * @v2: a pointer to a #gint key to compare with @v1. + * + * Compares the two #gint values being pointed to and returns + * %TRUE if they are equal. + * It can be passed to g_hash_table_new() as the @key_equal_func + * parameter, when using pointers to integers as keys in a #GHashTable. + * + * Returns: %TRUE if the two keys match. + */ +gboolean +g_int_equal (gconstpointer v1, + gconstpointer v2) +{ + return *((const gint*) v1) == *((const gint*) v2); +} + +/** + * g_int_hash: + * @v: a pointer to a #gint key + * + * Converts a pointer to a #gint to a hash value. + * It can be passed to g_hash_table_new() as the @hash_func parameter, + * when using pointers to integers values as keys in a #GHashTable. + * + * Returns: a hash value corresponding to the key. + */ +guint +g_int_hash (gconstpointer v) +{ + return *(const gint*) v; +} + +/** + * g_int64_equal: + * @v1: a pointer to a #gint64 key. + * @v2: a pointer to a #gint64 key to compare with @v1. + * + * Compares the two #gint64 values being pointed to and returns + * %TRUE if they are equal. + * It can be passed to g_hash_table_new() as the @key_equal_func + * parameter, when using pointers to 64-bit integers as keys in a #GHashTable. + * + * Returns: %TRUE if the two keys match. + * + * Since: 2.22 + */ +gboolean +g_int64_equal (gconstpointer v1, + gconstpointer v2) +{ + return *((const gint64*) v1) == *((const gint64*) v2); +} + +/** + * g_int64_hash: + * @v: a pointer to a #gint64 key + * + * Converts a pointer to a #gint64 to a hash value. + * It can be passed to g_hash_table_new() as the @hash_func parameter, + * when using pointers to 64-bit integers values as keys in a #GHashTable. + * + * Returns: a hash value corresponding to the key. + * + * Since: 2.22 + */ +guint +g_int64_hash (gconstpointer v) +{ + return (guint) *(const gint64*) v; +} + +/** + * g_double_equal: + * @v1: a pointer to a #gdouble key. + * @v2: a pointer to a #gdouble key to compare with @v1. + * + * Compares the two #gdouble values being pointed to and returns + * %TRUE if they are equal. + * It can be passed to g_hash_table_new() as the @key_equal_func + * parameter, when using pointers to doubles as keys in a #GHashTable. + * + * Returns: %TRUE if the two keys match. + * + * Since: 2.22 + */ +gboolean +g_double_equal (gconstpointer v1, + gconstpointer v2) +{ + return *((const gdouble*) v1) == *((const gdouble*) v2); +} + +/** + * g_double_hash: + * @v: a pointer to a #gdouble key + * + * Converts a pointer to a #gdouble to a hash value. + * It can be passed to g_hash_table_new() as the @hash_func parameter, + * when using pointers to doubles as keys in a #GHashTable. + * + * Returns: a hash value corresponding to the key. + * + * Since: 2.22 + */ +guint +g_double_hash (gconstpointer v) +{ + return (guint) *(const gdouble*) v; +} + +/** + * g_nullify_pointer: + * @nullify_location: the memory address of the pointer. + * + * Set the pointer at the specified location to %NULL. + **/ +void +g_nullify_pointer (gpointer *nullify_location) +{ + g_return_if_fail (nullify_location != NULL); + + *nullify_location = NULL; +} + +/** + * g_get_codeset: + * + * Get the codeset for the current locale. + * + * Return value: a newly allocated string containing the name + * of the codeset. This string must be freed with g_free(). + **/ +gchar * +g_get_codeset (void) +{ + const gchar *charset; + + g_get_charset (&charset); + + return g_strdup (charset); +} + +/* This is called from g_thread_init(). It's used to + * initialize some static data in a threadsafe way. + */ +void +_g_utils_thread_init (void) +{ + g_get_language_names (); +} + +#ifdef G_OS_WIN32 + +/** + * _glib_get_locale_dir: + * + * Return the path to the share\locale or lib\locale subfolder of the + * GLib installation folder. The path is in the system codepage. We + * have to use system codepage as bindtextdomain() doesn't have a + * UTF-8 interface. + */ +static gchar * +_glib_get_locale_dir (void) +{ + gchar *install_dir = NULL, *locale_dir; + gchar *retval = NULL; + + if (glib_dll != NULL) + install_dir = g_win32_get_package_installation_directory_of_module (glib_dll); + + if (install_dir) + { + /* + * Append "/share/locale" or "/lib/locale" depending on whether + * autoconfigury detected GNU gettext or not. + */ + const char *p = GLIB_LOCALE_DIR + strlen (GLIB_LOCALE_DIR); + while (*--p != '/') + ; + while (*--p != '/') + ; + + locale_dir = g_build_filename (install_dir, p, NULL); + + retval = g_win32_locale_filename_from_utf8 (locale_dir); + + g_free (install_dir); + g_free (locale_dir); + } + + if (retval) + return retval; + else + return g_strdup (""); +} + +#undef GLIB_LOCALE_DIR + +#endif /* G_OS_WIN32 */ + +/** + * glib_gettext: + * @str: The string to be translated + * + * Returns the translated string from the glib translations. + * This is an internal function and should only be used by + * the internals of glib (such as libgio). + * + * Returns: the transation of @str to the current locale + */ +G_CONST_RETURN gchar * +glib_gettext (const gchar *str) +{ + static gboolean _glib_gettext_initialized = FALSE; + + if (!_glib_gettext_initialized) + { +#ifdef G_OS_WIN32 + gchar *tmp = _glib_get_locale_dir (); + bindtextdomain (GETTEXT_PACKAGE, tmp); + g_free (tmp); +#else + bindtextdomain (GETTEXT_PACKAGE, GLIB_LOCALE_DIR); +#endif +# ifdef HAVE_BIND_TEXTDOMAIN_CODESET + bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); +# endif + _glib_gettext_initialized = TRUE; + } + + return g_dgettext (GETTEXT_PACKAGE, str); +} + +#if defined (G_OS_WIN32) && !defined (_WIN64) + +/* Binary compatibility versions. Not for newly compiled code. */ + +#undef g_find_program_in_path + +gchar* +g_find_program_in_path (const gchar *program) +{ + gchar *utf8_program = g_locale_to_utf8 (program, -1, NULL, NULL, NULL); + gchar *utf8_retval = g_find_program_in_path_utf8 (utf8_program); + gchar *retval; + + g_free (utf8_program); + if (utf8_retval == NULL) + return NULL; + retval = g_locale_from_utf8 (utf8_retval, -1, NULL, NULL, NULL); + g_free (utf8_retval); + + return retval; +} + +#undef g_get_current_dir + +gchar* +g_get_current_dir (void) +{ + gchar *utf8_dir = g_get_current_dir_utf8 (); + gchar *dir = g_locale_from_utf8 (utf8_dir, -1, NULL, NULL, NULL); + g_free (utf8_dir); + return dir; +} + +#undef g_getenv + +G_CONST_RETURN gchar* +g_getenv (const gchar *variable) +{ + gchar *utf8_variable = g_locale_to_utf8 (variable, -1, NULL, NULL, NULL); + const gchar *utf8_value = g_getenv_utf8 (utf8_variable); + gchar *value; + GQuark quark; + + g_free (utf8_variable); + if (!utf8_value) + return NULL; + value = g_locale_from_utf8 (utf8_value, -1, NULL, NULL, NULL); + quark = g_quark_from_string (value); + g_free (value); + + return g_quark_to_string (quark); +} + +#undef g_setenv + +gboolean +g_setenv (const gchar *variable, + const gchar *value, + gboolean overwrite) +{ + gchar *utf8_variable = g_locale_to_utf8 (variable, -1, NULL, NULL, NULL); + gchar *utf8_value = g_locale_to_utf8 (value, -1, NULL, NULL, NULL); + gboolean retval = g_setenv_utf8 (utf8_variable, utf8_value, overwrite); + + g_free (utf8_variable); + g_free (utf8_value); + + return retval; +} + +#undef g_unsetenv + +void +g_unsetenv (const gchar *variable) +{ + gchar *utf8_variable = g_locale_to_utf8 (variable, -1, NULL, NULL, NULL); + + g_unsetenv_utf8 (utf8_variable); + + g_free (utf8_variable); +} + +#undef g_get_user_name + +G_CONST_RETURN gchar* +g_get_user_name (void) +{ + g_get_any_init_locked (); + return g_user_name_cp; +} + +#undef g_get_real_name + +G_CONST_RETURN gchar* +g_get_real_name (void) +{ + g_get_any_init_locked (); + return g_real_name_cp; +} + +#undef g_get_home_dir + +G_CONST_RETURN gchar* +g_get_home_dir (void) +{ + g_get_any_init_locked (); + return g_home_dir_cp; +} + +#undef g_get_tmp_dir + +G_CONST_RETURN gchar* +g_get_tmp_dir (void) +{ + g_get_any_init_locked (); + return g_tmp_dir_cp; +} + +#endif |