Hurd compat fixes. Mostly dealing with absent PATH_MAX

Signed-off-by: Jérémie Koenig <jk@jk.fr.eu.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/libbb/xreadlink.c b/libbb/xreadlink.c
index 8d232f16b..faa0e1646 100644
--- a/libbb/xreadlink.c
+++ b/libbb/xreadlink.c
@@ -100,18 +100,16 @@ char* FAST_FUNC xmalloc_readlink_or_warn(const char *path)
         return buf;
 }
 
-/* UNUSED */
-#if 0
 char* FAST_FUNC xmalloc_realpath(const char *path)
 {
 #if defined(__GLIBC__) && !defined(__UCLIBC__)
         /* glibc provides a non-standard extension */
+        /* new: POSIX.1-2008 specifies this behavior as well */
         return realpath(path, NULL);
 #else
         char buf[PATH_MAX+1];
 
-        /* on error returns NULL (xstrdup(NULL) ==NULL) */
+        /* on error returns NULL (xstrdup(NULL) == NULL) */
         return xstrdup(realpath(path, buf));
 #endif
 }
-#endif