mirror of
https://github.com/moparisthebest/curl
synced 2024-11-17 06:55:02 -05:00
0d16a49c16
Changes are mainly reordering and adding of includes required to compile with a more recent version of GCC. Closes #6220
133 lines
3.3 KiB
C
133 lines
3.3 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "tool_setup.h"
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#ifdef HAVE_PWD_H
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# undef __NO_NET_API /* required for building for AmigaOS */
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# include <pwd.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#include <curl/mprintf.h>
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#include "tool_homedir.h"
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#include "memdebug.h" /* keep this as LAST include */
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static char *GetEnv(const char *variable)
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{
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char *dupe, *env;
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env = curl_getenv(variable);
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if(!env)
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return NULL;
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dupe = strdup(env);
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curl_free(env);
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return dupe;
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}
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/* return the home directory of the current user as an allocated string */
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/*
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* The original logic found a home dir to use (by checking a range of
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* environment variables and last using getpwuid) and returned that for the
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* parent to use.
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*
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* With the XDG_CONFIG_HOME support (added much later than the other), this
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* variable is treated differently in order to not ruin existing installations
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* even if this environment variable is set. If this variable is set, and a
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* file name is set to check, then only if that file name exists in that
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* directory will it be returned as a "home directory".
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*
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* 1. use CURL_HOME if set
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* 2. use XDG_CONFIG_HOME if set and fname is present
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* 3. use HOME if set
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* 4. Non-windows: use getpwuid
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* 5. Windows: use APPDATA if set
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* 6. Windows: use "USERPROFILE\Application Data" is set
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*/
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char *homedir(const char *fname)
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{
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char *home;
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home = GetEnv("CURL_HOME");
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if(home)
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return home;
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if(fname) {
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home = GetEnv("XDG_CONFIG_HOME");
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if(home) {
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char *c = curl_maprintf("%s" DIR_CHAR "%s", home, fname);
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if(c) {
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int fd = open(c, O_RDONLY);
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curl_free(c);
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if(fd >= 0) {
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close(fd);
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return home;
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}
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}
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free(home);
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}
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}
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home = GetEnv("HOME");
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if(home)
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return home;
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#if defined(HAVE_GETPWUID) && defined(HAVE_GETEUID)
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{
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struct passwd *pw = getpwuid(geteuid());
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if(pw) {
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home = pw->pw_dir;
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if(home && home[0])
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home = strdup(home);
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else
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home = NULL;
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}
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}
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#endif /* PWD-stuff */
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#ifdef WIN32
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home = GetEnv("APPDATA");
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if(!home) {
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char *env = GetEnv("USERPROFILE");
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if(env) {
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char *path = curl_maprintf("%s\\Application Data", env);
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if(path) {
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home = strdup(path);
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curl_free(path);
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}
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free(env);
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}
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}
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#endif /* WIN32 */
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return home;
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}
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