From 9f5b6fad89d6d4a451c7047f6565c57a27fdaa4f Mon Sep 17 00:00:00 2001
From: vda <vda@69ca8d6d-28ef-0310-b511-8ec308f3f277>
Date: Thu, 4 Jan 2007 17:59:59 +0000
Subject: new libbb func: xmalloc_realpath (+ use it where makes sense)
 syslogd, logread: add debugging code (disabled) syslogs: drastically smaller
 bss; fix "-C n" behaviour

git-svn-id: svn://busybox.net/trunk/busybox@17156 69ca8d6d-28ef-0310-b511-8ec308f3f277
---
 libbb/xreadlink.c | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

(limited to 'libbb')

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 @@
  *  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
+}
-- 
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