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Annotation of embedaddon/curl/src/tool_homedir.c, revision 1.1

1.1     ! misho       1: /***************************************************************************
        !             2:  *                                  _   _ ____  _
        !             3:  *  Project                     ___| | | |  _ \| |
        !             4:  *                             / __| | | | |_) | |
        !             5:  *                            | (__| |_| |  _ <| |___
        !             6:  *                             \___|\___/|_| \_\_____|
        !             7:  *
        !             8:  * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
        !             9:  *
        !            10:  * This software is licensed as described in the file COPYING, which
        !            11:  * you should have received as part of this distribution. The terms
        !            12:  * are also available at https://curl.haxx.se/docs/copyright.html.
        !            13:  *
        !            14:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
        !            15:  * copies of the Software, and permit persons to whom the Software is
        !            16:  * furnished to do so, under the terms of the COPYING file.
        !            17:  *
        !            18:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
        !            19:  * KIND, either express or implied.
        !            20:  *
        !            21:  ***************************************************************************/
        !            22: #include "tool_setup.h"
        !            23: 
        !            24: #ifdef HAVE_PWD_H
        !            25: #  include <pwd.h>
        !            26: #endif
        !            27: 
        !            28: #include <curl/mprintf.h>
        !            29: 
        !            30: #include "tool_homedir.h"
        !            31: 
        !            32: #include "memdebug.h" /* keep this as LAST include */
        !            33: 
        !            34: static char *GetEnv(const char *variable)
        !            35: {
        !            36:   char *dupe, *env;
        !            37: 
        !            38:   env = curl_getenv(variable);
        !            39:   if(!env)
        !            40:     return NULL;
        !            41: 
        !            42:   dupe = strdup(env);
        !            43:   curl_free(env);
        !            44:   return dupe;
        !            45: }
        !            46: 
        !            47: /* return the home directory of the current user as an allocated string */
        !            48: char *homedir(void)
        !            49: {
        !            50:   char *home;
        !            51: 
        !            52:   home = GetEnv("CURL_HOME");
        !            53:   if(home)
        !            54:     return home;
        !            55: 
        !            56:   home = GetEnv("HOME");
        !            57:   if(home)
        !            58:     return home;
        !            59: 
        !            60: #if defined(HAVE_GETPWUID) && defined(HAVE_GETEUID)
        !            61:  {
        !            62:    struct passwd *pw = getpwuid(geteuid());
        !            63: 
        !            64:    if(pw) {
        !            65:      home = pw->pw_dir;
        !            66:      if(home && home[0])
        !            67:        home = strdup(home);
        !            68:      else
        !            69:        home = NULL;
        !            70:    }
        !            71:  }
        !            72: #endif /* PWD-stuff */
        !            73: #ifdef WIN32
        !            74:   home = GetEnv("APPDATA");
        !            75:   if(!home) {
        !            76:     char *env = GetEnv("USERPROFILE");
        !            77:     if(env) {
        !            78:       char *path = curl_maprintf("%s\\Application Data", env);
        !            79:       if(path) {
        !            80:         home = strdup(path);
        !            81:         curl_free(path);
        !            82:       }
        !            83:       free(env);
        !            84:     }
        !            85:   }
        !            86: #endif /* WIN32 */
        !            87:   return home;
        !            88: }