newlib/libc/argz/argz_extract.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

/* 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 <argz.h>
#include <sys/types.h>

void
_DEFUN (argz_extract, (argz, argz_len, argv),
       char *argz _AND
       size_t argz_len _AND
       char **argv)
{
  size_t i = 0;
  int j = 0;
  const size_t count = argz_count(argz, argz_len);

  for (i = argz_len - 2; i > 0; i--)
    {
      if (argz[i] == '\0')
        {
          j++;
          argv[count - j] = &argz[i + 1];
        }
    }
  argv[0] = &argz[0];
  argv[count] = NULL;
}