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/*
* This file is part of the sn package.
* Distribution of sn is covered by the GNU GPL. See file COPYING.
* Copyright 1998-2000 Harold Tay.
* Copyright 2000- Patrik Rdman.
*/
#include <stdlib.h>
static const char ver_ctrl_id[] = "$Id: tokensep.c 40 2004-04-28 18:00:25Z patrik $";
char *tokensep (char **p, char *delim)
{
char map[256] = { 0, };
char *start;
char *end;
while (*delim)
{
map[(unsigned) *delim] = 1;
delim++;
}
for (start = *p; *start && map[(unsigned) *start]; start++) ;
if (!*start)
return NULL;
for (end = start; *end && !map[(unsigned) *end]; end++) ;
if (*end)
{
*p = end + 1;
*end = '\0';
}
else
*p = end;
return start;
}
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