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/*
** support.c
**
** Author: Pr Emanuelsson <pell@lysator.liu.se>
** Hacked by: Peter Eriksson <pen@lysator.liu.se>
** Also by: Philip Hazel <ph10@cus.cam.ac.uk>
*/
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#define IN_LIBIDENT_SRC
#include "ident.h"
char *id_strdup (char *str)
{
char *cp;
cp = (char *) malloc(strlen(str)+1);
if (cp == NULL)
{
#ifdef DEBUG
perror("libident: malloc");
#endif
return NULL;
}
strcpy(cp, str);
return cp;
}
char *id_strtok (char *cp, char *cs, char *dc)
{
static char *bp = 0;
if (cp)
bp = cp;
/*
** No delimitor cs - return whole buffer and point at end
*/
if (!cs)
{
while (*bp)
bp++;
return cp; /* Fix by PH - was "return cs" */
}
/*
** Skip leading spaces
*/
while (isspace((unsigned char)*bp))
bp++;
/*
** No token found?
*/
if (!*bp)
return 0;
cp = bp;
while (*bp && !strchr(cs, *bp))
bp++;
/*
** Remove trailing spaces
*/
*dc = *bp;
for (dc = bp-1; dc > cp && isspace((unsigned char)*dc); dc--)
;
*++dc = '\0';
bp++;
return cp;
}
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