42 lines
1006 B
C
42 lines
1006 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
|
|
envz_strip (char **envz,
|
|
size_t *envz_len)
|
|
{
|
|
char *entry = 0;
|
|
int len = 0;
|
|
int null_found = 0;
|
|
|
|
while((entry = argz_next(*envz, *envz_len, entry)))
|
|
{
|
|
if(!strchr(entry, '='))
|
|
{
|
|
null_found = 1;
|
|
len = strlen(entry) + 1;
|
|
/* Make sure this is not the last entry in envz. If it is, it
|
|
will be chopped off by the realloc anyway.*/
|
|
if(*envz + *envz_len != entry + len - 1)
|
|
{
|
|
memmove(entry, entry + len, *envz + *envz_len - entry - len);
|
|
}
|
|
*envz_len -= len;
|
|
}
|
|
}
|
|
if(null_found)
|
|
{
|
|
*envz = (char *)realloc(*envz, *envz_len);
|
|
}
|
|
}
|