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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>

#include <argz.h>

#include <envz.h>

void

_DEFUN (envz_remove, (envz, envz_len, name),

       char **envz _AND

       size_t *envz_len _AND

       const char *name)

{

  char *entry = NULL;

  int len = 0;

  entry = envz_entry (*envz, *envz_len, name);

  if (entry)

    {

      len = strlen(entry) + 1;

      /* Not the last entry. */

      if (*envz + *envz_len != entry + len - 1)

        {

          memmove(entry, entry + len, *envz + *envz_len - entry - len);

        }

      *envz = (char *)realloc(*envz, *envz_len - len);

      *envz_len -= len;

    }

}