new libbb func: xmalloc_realpath (+ use it where makes sense)
syslogd, logread: add debugging code (disabled)
syslogs: drastically smaller bss; fix "-C n" behaviour
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 @@
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
+}