#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gd.h"
#include "gdhelpers.h"
#include <stdlib.h>
#include <string.h>
/* TBB: gd_strtok_r is not portable; provide an implementation */
#define SEP_TEST (separators[*((unsigned char *) s)])
char *
gd_strtok_r (char *s, char *sep, char **state)
{
char separators[256];
char *start;
char *result = 0;
memset (separators, 0, sizeof (separators));
while (*sep)
{
separators[*((unsigned char *) sep)] = 1;
sep++;
}
if (!s)
{
/* Pick up where we left off */
s = *state;
}
start = s;
/* 1. EOS */
if (!(*s))
{
*state = s;
return 0;
}
/* 2. Leading separators, if any */
if (SEP_TEST)
{
do
{
s++;
}
while (SEP_TEST);
/* 2a. EOS after separators only */
if (!(*s))
{
*state = s;
return 0;
}
}
/* 3. A token */
result = s;
do
{
/* 3a. Token at end of string */
if (!(*s))
{
*state = s;
return result;
}
s++;
}
while (!SEP_TEST);
/* 4. Terminate token and skip trailing separators */
*s = '\0';
do
{
s++;
}
while (SEP_TEST);
/* 5. Return token */
*state = s;
return result;
}
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