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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 <argz.h>

#include <errno.h>

#include <sys/types.h>

#include <string.h>

#include <stdlib.h>

error_t

_DEFUN (argz_delete, (argz, argz_len, entry),

       char **argz _AND

       size_t *argz_len _AND

       char *entry)

{

  int len = 0;

  char *moveto = entry;

  if (entry)

    {

      len = strlen(entry) + 1;

      entry += len;

      memmove(moveto, entry, *argz + *argz_len - entry);

      *argz_len -= len;

      if(!(*argz = (char *)realloc(*argz, *argz_len)))

        return ENOMEM;

      if (*argz_len <= 0)

        {

          free(*argz);

          *argz = NULL;

        }

    }

  return 0;

}