Avoid integer overflow on exotic platforms.

[gnulib.git] / lib / xreadlink.c

diff --git a/lib/xreadlink.c b/lib/xreadlink.c
index d56d2a6..b8bb3c4 100644 (file)
--- a/lib/xreadlink.c
+++ b/lib/xreadlink.c
@@ -19,7 +19,7 @@
 
 /* Written by Jim Meyering <jim@meyering.net>  */
 
-#if HAVE_CONFIG_H
+#ifdef HAVE_CONFIG_H
 # include <config.h>
 #endif
 
@@ -30,9 +30,7 @@
 #include <limits.h>
 #include <sys/types.h>
 #include <stdlib.h>
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+#include <unistd.h>
 
 #ifndef SIZE_MAX
 # define SIZE_MAX ((size_t) -1)