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authorDenis Vlasenko2007-01-04 17:59:59 +0000
committerDenis Vlasenko2007-01-04 17:59:59 +0000
commita9b60e93eeb4d2706ebc95bafb18bd4267a03d6f (patch)
tree541b0130abde25c96918f4c0176514c3b29baa9f /libbb
parentceab8700dfa0a4f987c9872e12e57cfba6ddb95c (diff)
downloadbusybox-a9b60e93eeb4d2706ebc95bafb18bd4267a03d6f.zip
busybox-a9b60e93eeb4d2706ebc95bafb18bd4267a03d6f.tar.gz
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')
-rw-r--r--libbb/xreadlink.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/libbb/xreadlink.c b/libbb/xreadlink.c
index 14863d9..76f52ca 100644
--- a/libbb/xreadlink.c
+++ b/libbb/xreadlink.c
@@ -4,16 +4,13 @@
* Returns a NULL on failure...
*/
-#include <stdio.h>
+#include "libbb.h"
/*
* NOTE: This function returns a malloced char* that you will have to free
* yourself. You have been warned.
*/
-#include <unistd.h>
-#include "libbb.h"
-
char *xreadlink(const char *path)
{
enum { GROWBY = 80 }; /* how large we will grow strings by */
@@ -36,3 +33,16 @@ char *xreadlink(const char *path)
return buf;
}
+
+char *xmalloc_realpath(const char *path)
+{
+#ifdef __GLIBC__
+ /* glibc provides a non-standard extension */
+ return realpath(path, NULL);
+#else
+ char buf[PATH_MAX+1];
+
+ /* on error returns NULL (xstrdup(NULL) ==NULL) */
+ return xstrdup(realpath(path, buf));
+#endif
+}