argz_create_sep.c from Gdb at Krugle
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/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved.
*
* Permission to use, copy, modify, and distribute this software
* is freely granted, provided that this notice is preserved.
*/
#include <errno.h>
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>
error_t
_DEFUN (argz_create_sep, (string, sep, argz, argz_len),
const char *string _AND
int sep _AND
char **argz _AND
size_t *argz_len)
{
int len = 0;
int i = 0;
int num_strings = 0;
char delim[2];
char *running = 0;
char *old_running = 0;
char *token = 0;
char *iter = 0;
delim[0] = sep;
delim[1] = '\0';
running = strdup(string);
old_running = running;
while ((token = strsep(&running, delim)))
{
len = strlen(token);
*argz_len += (len + 1);
num_strings++;
}
if(!(*argz = (char *)malloc(*argz_len)))
return ENOMEM;
free(old_running);
running = strdup(string);
old_running = running;
iter = *argz;
for (i = 0; i < num_strings; i++)
{
token = strsep(&running, delim);
len = strlen(token) + 1;
memcpy(iter, token, len);
iter += len;
}
free(old_running);
return 0;
}
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