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#include "common.h"
#include "utils.h"
bool VersionFromString(const char *szVer, DWORD *pdwVer) {
char *p = (char *)szVer;
*pdwVer = 0;
int bytes = 1; // we start in the first 'byte'
int digit_count = 0;
while(*p && bytes <= 4 && digit_count <= 3) {
if(*p >= '0' && *p <= '9') {
*pdwVer = (*pdwVer & 0xFFFFFF00) + (*pdwVer & 0xFF) * 10 + (*p - '0');
digit_count++;
} else if(*p == '.') {
*pdwVer = *pdwVer << 8;
bytes++;
digit_count = 0;
} else {
if(bytes < 3) // allow other chars on the end (e.g. space)
return false; // incompatible version string
else
return true;
}
p++;
}
// version must be x.x.x.x format (for now - until a convention is established
// whereby we assume '0' bytes as either prefix or suffix)
// 15/3/06 - allowing 3 digit version numbers (ostensibly for spamfilter definition files which use date for version)
return (bytes >= 3);
}
int CheckForFileID(char *update_url, char *version_url, char *name) {
if(strlen(update_url) > 45 && strncmp(update_url, MIM_DOWNLOAD_URL_PREFIX, 45) == 0) {
char *p = update_url + 45;
return atoi(p);
}
if(strlen(update_url) > 51 && strncmp(update_url, "http://www.miranda-im.org/download/feed.php?dlfile=", 51) == 0) {
char *p = update_url + 51;
return atoi(p);
}
if(strlen(update_url) > 47 && strncmp(update_url, "http://miranda-im.org/download/feed.php?dlfile=", 47) == 0) {
char *p = update_url + 47;
return atoi(p);
}
return -1;
}
bool CreatePath(const TCHAR *path) {
if(!path) return false;
TCHAR folder[MAX_PATH];
_tcscpy(folder, path);
size_t i = 0;
if(folder[0] && folder[1] && folder[1] == ':') i += 2; // skip drive letter
SetLastError(ERROR_SUCCESS);
TCHAR *p = &folder[i];
while(folder[i]) {
p = _tcschr(p, _T('\\'));
if(p) {
i = p - folder;
p++;
if(folder[i]) folder[i] = 0;
} else
i = _tcslen(folder);
/*
// this fails when the user does not have permission to create intermediate folders
if(!CreateDirectory(folder, 0)) {
DWORD err = GetLastError();
if(err != ERROR_ALREADY_EXISTS) {
//MessageBox(0, Translate("Could not create temporary folder."), Translate("Error"), MB_OK | MB_ICONERROR);
//return 1;
return false;
}
}
*/
CreateDirectory(folder, 0);
folder[i] = path[i];
}
DWORD lerr = GetLastError();
return (lerr == ERROR_SUCCESS || lerr == ERROR_ALREADY_EXISTS);
/*
// this function seems to be unavailable in shell32.dll under NT4
int ret = SHCreateDirectoryEx(0, path, 0);
return (ret == ERROR_SUCCESS) || (ret == ERROR_FILE_EXISTS) || (ret == ERROR_ALREADY_EXISTS);
*/
}
// must 'mir_free' return val
TCHAR *GetTString(const char *asc)
{
if (!asc) return NULL;
return (TCHAR*)CallService(MS_LANGPACK_PCHARTOTCHAR, 0, (LPARAM)asc);
}
void RemoveFolder(const TCHAR *src_folder) {
TCHAR szFilesPath[MAX_PATH], szNewFileName[MAX_PATH];
_tcscpy(szFilesPath, src_folder);
_tcscat(szFilesPath, _T("\\*.*"));
WIN32_FIND_DATA findData;
HANDLE hFileSearch = FindFirstFile(szFilesPath, &findData);
if(hFileSearch != INVALID_HANDLE_VALUE) {
do {
if(findData.cFileName[0] != _T('.')) {
_tcslwr(findData.cFileName);
_tcscpy(szNewFileName, src_folder);
_tcscat(szNewFileName, _T("\\"));
_tcscat(szNewFileName, findData.cFileName);
if(findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
// recurse
RemoveFolder(szNewFileName);
else
DeleteFile(szNewFileName);
}
} while(FindNextFile(hFileSearch, &findData));
FindClose(hFileSearch);
}
RemoveDirectory(src_folder);
}
bool FolderIsEmpty(const TCHAR *folder) {
TCHAR szFilesPath[MAX_PATH];
_tcscpy(szFilesPath, folder);
_tcscat(szFilesPath, _T("\\*.*"));
WIN32_FIND_DATA findData;
HANDLE hFileSearch = FindFirstFile(szFilesPath, &findData);
if(hFileSearch != INVALID_HANDLE_VALUE) {
do {
if(_tcscmp(findData.cFileName, _T(".")) != 0 && _tcscmp(findData.cFileName, _T("..")) != 0) {
FindClose(hFileSearch);
return false;
}
} while(FindNextFile(hFileSearch, &findData));
FindClose(hFileSearch);
}
return true;
}
bool DeleteNonDlls(const TCHAR *folder) {
TCHAR szFilesPath[MAX_PATH], szFilename[MAX_PATH];
{
char buff[200];
#ifdef _UNICODE
char mbFname[MAX_PATH];
WideCharToMultiByte(CP_ACP, 0, folder, -1, mbFname, MAX_PATH, 0, 0);
sprintf(buff, "Deleting non-dlls in %s", mbFname);
#else
sprintf(buff, "Deleting non-dlls in %s", folder);
#endif
NLog(buff);
}
_tcscpy(szFilesPath, folder);
_tcscpy(szFilename, folder);
_tcscat(szFilename, _T("\\"));
TCHAR *p = szFilename + _tcslen(szFilename);
_tcscat(szFilesPath, _T("\\*.*"));
WIN32_FIND_DATA findData;
HANDLE hFileSearch = FindFirstFile(szFilesPath, &findData);
if(hFileSearch != INVALID_HANDLE_VALUE) {
do {
if(_tcscmp(findData.cFileName, _T(".")) != 0 && _tcscmp(findData.cFileName, _T("..")) != 0) {
_tcscpy(p, findData.cFileName);
if(findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
DeleteNonDlls(szFilename);
} else {
if(_tcsstr(findData.cFileName, _T(".dll")) == 0) {
{
char buff[200];
#ifdef _UNICODE
char mbFname[MAX_PATH];
WideCharToMultiByte(CP_ACP, 0, szFilename, -1, mbFname, MAX_PATH, 0, 0);
sprintf(buff, "Deleting %s", mbFname);
#else
sprintf(buff, "Deleting %s", szFilename);
#endif
NLog(buff);
}
DeleteFile(szFilename);
}
}
}
} while(FindNextFile(hFileSearch, &findData));
FindClose(hFileSearch);
}
return true;
}
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