mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-30 19:53:46 +00:00
38 lines
850 B
C
38 lines
850 B
C
/* 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;
|
|
}
|
|
}
|