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authorYang Tse <yangsita@gmail.com>2011-10-06 17:39:00 +0200
committerYang Tse <yangsita@gmail.com>2011-10-06 17:39:00 +0200
commitf7bfdbabf2d5398f4c266eabb0992a04af661f22 (patch)
tree694a1f91f1aeffaf7aea0f29a05179079af7d700 /src/tool_homedir.c
parent7afccf7a1ebb211905de6abd415fce416058a126 (diff)
downloadcurl-f7bfdbabf2d5398f4c266eabb0992a04af661f22.tar.gz
curl tool: reviewed code moved to tool_*.[ch] files
Diffstat (limited to 'src/tool_homedir.c')
-rw-r--r--src/tool_homedir.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/src/tool_homedir.c b/src/tool_homedir.c
new file mode 100644
index 000000000..95d25c74f
--- /dev/null
+++ b/src/tool_homedir.c
@@ -0,0 +1,112 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, 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 http://curl.haxx.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.
+ *
+ ***************************************************************************/
+#include "setup.h"
+
+#ifdef HAVE_PWD_H
+# include <pwd.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#ifdef __VMS
+# include <unixlib.h>
+#endif
+
+#include "tool_homedir.h"
+
+#include "memdebug.h" /* keep this as LAST include */
+
+static char *GetEnv(const char *variable, char do_expand)
+{
+ char *env = NULL;
+#ifdef WIN32
+ char buf1[1024], buf2[1024];
+ DWORD rc;
+
+ /* Don't use getenv(); it doesn't find variable added after program was
+ * started. Don't accept truncated results (i.e. rc >= sizeof(buf1)). */
+
+ rc = GetEnvironmentVariable(variable, buf1, sizeof(buf1));
+ if(rc > 0 && rc < sizeof(buf1)) {
+ env = buf1;
+ variable = buf1;
+ }
+ if(do_expand && strchr(variable,'%')) {
+ /* buf2 == variable if not expanded */
+ rc = ExpandEnvironmentStrings (variable, buf2, sizeof(buf2));
+ if(rc > 0 && rc < sizeof(buf2) &&
+ !strchr(buf2,'%')) /* no vars still unexpanded */
+ env = buf2;
+ }
+#else
+ (void)do_expand;
+#ifdef __VMS
+ env = getenv(variable);
+ if(env && strcmp("HOME",variable) == 0) {
+ env = decc_translate_vms(env);
+ }
+#else
+ /* no length control */
+ env = getenv(variable);
+#endif
+#endif
+ return (env && env[0]) ? strdup(env) : NULL;
+}
+
+/* return the home directory of the current user as an allocated string */
+char *homedir(void)
+{
+ char *home;
+
+ home = GetEnv("CURL_HOME", FALSE);
+ if(home)
+ return home;
+
+ home = GetEnv("HOME", FALSE);
+ if(home)
+ return home;
+
+#if defined(HAVE_GETPWUID) && defined(HAVE_GETEUID)
+ {
+ struct passwd *pw = getpwuid(geteuid());
+
+ if(pw) {
+#ifdef __VMS
+ home = decc_translate_vms(pw->pw_dir);
+#else
+ home = pw->pw_dir;
+#endif
+ if(home && home[0])
+ home = strdup(home);
+ else
+ home = NULL;
+ }
+ }
+#endif /* PWD-stuff */
+#ifdef WIN32
+ home = GetEnv("APPDATA", TRUE);
+ if(!home)
+ home = GetEnv("%USERPROFILE%\\Application Data", TRUE); /* Normally only
+ on Win-2K/XP */
+#endif /* WIN32 */
+ return home;
+}