aboutsummaryrefslogtreecommitdiff
path: root/libbb/xreadlink.c
diff options
context:
space:
mode:
authorDenis Vlasenko <vda.linux@googlemail.com>2007-01-04 17:59:59 +0000
committerDenis Vlasenko <vda.linux@googlemail.com>2007-01-04 17:59:59 +0000
commita9b60e93eeb4d2706ebc95bafb18bd4267a03d6f (patch)
tree541b0130abde25c96918f4c0176514c3b29baa9f /libbb/xreadlink.c
parentceab8700dfa0a4f987c9872e12e57cfba6ddb95c (diff)
downloadbusybox-w32-a9b60e93eeb4d2706ebc95bafb18bd4267a03d6f.tar.gz
busybox-w32-a9b60e93eeb4d2706ebc95bafb18bd4267a03d6f.tar.bz2
busybox-w32-a9b60e93eeb4d2706ebc95bafb18bd4267a03d6f.zip
new libbb func: xmalloc_realpath (+ use it where makes sense)
syslogd, logread: add debugging code (disabled) syslogs: drastically smaller bss; fix "-C n" behaviour
Diffstat (limited to 'libbb/xreadlink.c')
-rw-r--r--libbb/xreadlink.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/libbb/xreadlink.c b/libbb/xreadlink.c
index 14863d9d5..76f52ca06 100644
--- a/libbb/xreadlink.c
+++ b/libbb/xreadlink.c
@@ -4,16 +4,13 @@
4 * Returns a NULL on failure... 4 * Returns a NULL on failure...
5 */ 5 */
6 6
7#include <stdio.h> 7#include "libbb.h"
8 8
9/* 9/*
10 * NOTE: This function returns a malloced char* that you will have to free 10 * NOTE: This function returns a malloced char* that you will have to free
11 * yourself. You have been warned. 11 * yourself. You have been warned.
12 */ 12 */
13 13
14#include <unistd.h>
15#include "libbb.h"
16
17char *xreadlink(const char *path) 14char *xreadlink(const char *path)
18{ 15{
19 enum { GROWBY = 80 }; /* how large we will grow strings by */ 16 enum { GROWBY = 80 }; /* how large we will grow strings by */
@@ -36,3 +33,16 @@ char *xreadlink(const char *path)
36 33
37 return buf; 34 return buf;
38} 35}
36
37char *xmalloc_realpath(const char *path)
38{
39#ifdef __GLIBC__
40 /* glibc provides a non-standard extension */
41 return realpath(path, NULL);
42#else
43 char buf[PATH_MAX+1];
44
45 /* on error returns NULL (xstrdup(NULL) ==NULL) */
46 return xstrdup(realpath(path, buf));
47#endif
48}