00001 // Copyright 2006 Benedikt Böhm <hollow@gentoo.org> 00002 // 00003 // This program is free software; you can redistribute it and/or modify 00004 // it under the terms of the GNU General Public License as published by 00005 // the Free Software Foundation; either version 2 of the License, or 00006 // (at your option) any later version. 00007 // 00008 // This program is distributed in the hope that it will be useful, 00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00011 // GNU General Public License for more details. 00012 // 00013 // You should have received a copy of the GNU General Public License 00014 // along with this program; if not, write to the 00015 // Free Software Foundation, Inc., 00016 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 00018 #include <stdlib.h> 00019 00020 #include "str.h" 00021 00022 int str_path_isabs(const char *str) 00023 { 00024 char *buf, *p, *o; 00025 00026 if (str_isempty(str)) 00027 return 0; 00028 00029 if (*str != '/') 00030 return 0; 00031 00032 if (str_path_isdot(str)) 00033 return 0; 00034 00035 buf = p = o = str_dup(str); 00036 00037 while (1) { 00038 p = str_index(p, '/', str_len(p)); 00039 00040 if (p) 00041 *p++ = '\0'; 00042 00043 if (!str_isgraph(o)) { 00044 free(buf); 00045 return 0; 00046 } 00047 00048 if (!p) 00049 break; 00050 else 00051 o = p; 00052 } 00053 00054 free(buf); 00055 return 1; 00056 }