/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2012, 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 "tool_setup.h" #ifdef HAVE_PWD_H # include <pwd.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; /* no length control */ env = getenv(variable); #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) { home = pw->pw_dir; 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; }