strtok/strtok_tostr.c

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00001 // Copyright (C) 2006-2007 Benedikt Böhm <hollow@gentoo.org>
00002 //
00003 // This program is free software; you can redistribute it and/or
00004 // modify it under the terms of the GNU General Public License
00005 // as published by the Free Software Foundation; either version 2
00006 // of the License, or (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 Free Software
00015 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
00016 
00017 #include "str.h"
00018 #include "stralloc.h"
00019 #include "strtok.h"
00020 
00021 int strtok_tostr(strtok_t *st, char **str, char *delim)
00022 {
00023         int i = 0;
00024         stralloc_t _sa, *sa = &_sa;
00025         strtok_t *p;
00026 
00027         if (strtok_count(st) < 1)
00028                 return 0;
00029 
00030         stralloc_init(sa);
00031 
00032         strtok_for_each(st, p) {
00033                 if (stralloc_catf(sa, "%s%s", p->token, delim) == -1)
00034                         return -1;
00035 
00036                 i++;
00037         }
00038 
00039         if (sa->len > 0)
00040                 sa->len -= str_len(delim);
00041 
00042         *str = stralloc_finalize(sa);
00043 
00044         stralloc_free(sa);
00045         return i;
00046 }

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