commit 1ee8b638cff70823f1648e050282db49bc23d0bd
author Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> Fri May 19 10:57:02 2006 +0000
committer Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> Fri May 19 10:57:02 2006 +0000
tree a36f54697664eb400a7ba2ce7426697751cd3c11
parent 0c4b9fdda1cdc6b68f6cf531cb88f438228fcd3c

The gnu extension to have realpath() malloc its buffer when handed a NULL
isn't implemented in uClibc, so we can't use it.
(r15092 from trunk plus coding-style fix for the patch)

debianutils/readlink.c

diff --git a/debianutils/readlink.c b/debianutils/readlink.c
index 83abdbf..8495ee5 100644
--- a/debianutils/readlink.c
+++ b/debianutils/readlink.c
@@ -25,7 +25,7 @@
 			bb_show_usage();
 
 	if (opt & READLINK_FLAG_f)
-		buf = realpath(argv[optind], NULL);
+		buf = realpath(argv[optind], bb_common_bufsiz1);
 	else
 		buf = xreadlink(argv[ENABLE_FEATURE_READLINK_FOLLOW ? optind : 1]);
 
@@ -33,7 +33,8 @@
 		return EXIT_FAILURE;
 	puts(buf);
 
-	if (ENABLE_FEATURE_CLEAN_UP) free(buf);
+	if (ENABLE_FEATURE_CLEAN_UP && buf != bb_common_bufsiz1)
+		free(buf);
 
 	return EXIT_SUCCESS;
 }