44 lines
1.0 KiB
C
44 lines
1.0 KiB
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 <envz.h>
|
||
|
|
|
||
|
|
extern int buf_findstr(const char *str, char **buf, size_t *buf_len);
|
||
|
|
|
||
|
|
char *
|
||
|
|
envz_entry (const char *envz, size_t envz_len, const char *name)
|
||
|
|
{
|
||
|
|
const char *buf_ptr = envz;
|
||
|
|
size_t buf_len = envz_len;
|
||
|
|
|
||
|
|
while(buf_len)
|
||
|
|
{
|
||
|
|
if (buf_findstr(name, &buf_ptr, &buf_len))
|
||
|
|
{
|
||
|
|
if (buf_ptr)
|
||
|
|
{
|
||
|
|
if (*buf_ptr == '=' || *buf_ptr == '\0')
|
||
|
|
{
|
||
|
|
buf_ptr--;
|
||
|
|
|
||
|
|
/* Move buf_ptr back to start of entry. */
|
||
|
|
while(*buf_ptr != '\0' && buf_ptr != envz) buf_ptr--;
|
||
|
|
|
||
|
|
if(*buf_ptr == '\0')
|
||
|
|
buf_ptr++;
|
||
|
|
|
||
|
|
return buf_ptr;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|