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/* $Id: support.c 550 2004-06-17 01:27:41Z eagle $
**
** Support utilities for libsident.
**
** Written by Pr Emanuelsson <pell@lysator.liu.se>
** Modifications by Peter Eriksson <pen@lysator.liu.se>
*/
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "sident.h"
char *
id_strtok(char *cp, char *cs, char *dc)
{
static char *bp = 0;
if (cp != NULL)
bp = cp;
/* No delimitor cs - return whole buffer and point at end. */
if (cs == NULL) {
while (*bp)
bp++;
return cs;
}
/* Skip leading spaces. */
while (isspace(*bp))
bp++;
/* No token found? */
if (*bp == '\0')
return 0;
cp = bp;
while (*bp && !strchr(cs, *bp))
bp++;
/* Remove trailing spaces. */
*dc = *bp;
for (dc = bp - 1; dc > cp && isspace(*dc); dc--)
;
*++dc = '\0';
bp++;
return cp;
}
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