argv/argv_from_str.c

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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 #include "argv.h"
00022 
00023 int argv_from_str(char *str, char ** const argv, int max_argc)
00024 {
00025         int i, argc = 0;
00026         
00027         for (i = 0; i < max_argc; i++)
00028                 argv[i] = NULL;
00029         
00030         if (!str)
00031                 return 0;
00032         
00033         while (*str) {
00034                 while (char_isspace(*str))
00035                         *(str++) = '\0';
00036                 
00037                 if (*str && argc < max_argc - 1) {
00038                         argv[argc] = str;
00039                         argc++;
00040                         
00041                         while (*str && !char_isspace(*str))
00042                                 str++;
00043                 }
00044                 
00045                 else
00046                         break;
00047         }
00048         
00049         return argc;
00050 }

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