diff options
| author | dartraiden <wowemuh@gmail.com> | 2022-12-22 16:31:20 +0300 |
|---|---|---|
| committer | dartraiden <wowemuh@gmail.com> | 2022-12-22 16:31:20 +0300 |
| commit | 47b6881fe726c904f87aa4be059b730ef77954d0 (patch) | |
| tree | aa72b213043d3b514c883bc59a0fa0c434106156 /libs/libcurl/src/getenv.c | |
| parent | 8fbc9220b7f3d3a04bbe45d32489ef882821558e (diff) | |
libcurl: update to 7.87.0
Diffstat (limited to 'libs/libcurl/src/getenv.c')
| -rw-r--r-- | libs/libcurl/src/getenv.c | 158 |
1 files changed, 79 insertions, 79 deletions
diff --git a/libs/libcurl/src/getenv.c b/libs/libcurl/src/getenv.c index 5f00fd13a4..2bb2e2ef91 100644 --- a/libs/libcurl/src/getenv.c +++ b/libs/libcurl/src/getenv.c @@ -1,79 +1,79 @@ -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al. - * - * This software is licensed as described in the file COPYING, which - * you should have received as part of this distribution. The terms - * are also available at https://curl.se/docs/copyright.html. - * - * You may opt to use, copy, modify, merge, publish, distribute and/or sell - * copies of the Software, and permit persons to whom the Software is - * furnished to do so, under the terms of the COPYING file. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - * SPDX-License-Identifier: curl - * - ***************************************************************************/ - -#include "curl_setup.h" - -#include <curl/curl.h> -#include "curl_memory.h" - -#include "memdebug.h" - -static char *GetEnv(const char *variable) -{ -#if defined(_WIN32_WCE) || defined(CURL_WINDOWS_APP) - (void)variable; - return NULL; -#elif defined(WIN32) - /* This uses Windows API instead of C runtime getenv() to get the environment - variable since some changes aren't always visible to the latter. #4774 */ - char *buf = NULL; - char *tmp; - DWORD bufsize; - DWORD rc = 1; - const DWORD max = 32768; /* max env var size from MSCRT source */ - - for(;;) { - tmp = realloc(buf, rc); - if(!tmp) { - free(buf); - return NULL; - } - - buf = tmp; - bufsize = rc; - - /* It's possible for rc to be 0 if the variable was found but empty. - Since getenv doesn't make that distinction we ignore it as well. */ - rc = GetEnvironmentVariableA(variable, buf, bufsize); - if(!rc || rc == bufsize || rc > max) { - free(buf); - return NULL; - } - - /* if rc < bufsize then rc is bytes written not including null */ - if(rc < bufsize) - return buf; - - /* else rc is bytes needed, try again */ - } -#else - char *env = getenv(variable); - return (env && env[0])?strdup(env):NULL; -#endif -} - -char *curl_getenv(const char *v) -{ - return GetEnv(v); -} +/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+#include "curl_memory.h"
+
+#include "memdebug.h"
+
+static char *GetEnv(const char *variable)
+{
+#if defined(_WIN32_WCE) || defined(CURL_WINDOWS_APP)
+ (void)variable;
+ return NULL;
+#elif defined(WIN32)
+ /* This uses Windows API instead of C runtime getenv() to get the environment
+ variable since some changes aren't always visible to the latter. #4774 */
+ char *buf = NULL;
+ char *tmp;
+ DWORD bufsize;
+ DWORD rc = 1;
+ const DWORD max = 32768; /* max env var size from MSCRT source */
+
+ for(;;) {
+ tmp = realloc(buf, rc);
+ if(!tmp) {
+ free(buf);
+ return NULL;
+ }
+
+ buf = tmp;
+ bufsize = rc;
+
+ /* It's possible for rc to be 0 if the variable was found but empty.
+ Since getenv doesn't make that distinction we ignore it as well. */
+ rc = GetEnvironmentVariableA(variable, buf, bufsize);
+ if(!rc || rc == bufsize || rc > max) {
+ free(buf);
+ return NULL;
+ }
+
+ /* if rc < bufsize then rc is bytes written not including null */
+ if(rc < bufsize)
+ return buf;
+
+ /* else rc is bytes needed, try again */
+ }
+#else
+ char *env = getenv(variable);
+ return (env && env[0])?strdup(env):NULL;
+#endif
+}
+
+char *curl_getenv(const char *v)
+{
+ return GetEnv(v);
+}
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