From: Rob Landley <rob@landley.net>
Date: Mon, 13 Jul 2015 05:11:25 +0000 (-0500)
Subject: Produce an error message for "cat /mnt", not just return code.
X-Git-Tag: upstream/0.6.0~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ccec4d82798d46a8bc7e7656d08c57544cd08582;p=platform%2Fupstream%2Ftoybox.git

Produce an error message for "cat /mnt", not just return code.
---

diff --git a/toys/posix/cat.c b/toys/posix/cat.c
index 01134a7..3aae4a1 100644
--- a/toys/posix/cat.c
+++ b/toys/posix/cat.c
@@ -57,7 +57,10 @@ static void do_cat(int fd, char *name)
 
   for(;;) {
     len = read(fd, toybuf, size);
-    if (len < 0) toys.exitval = EXIT_FAILURE;
+    if (len < 0) {
+      toys.exitval = EXIT_FAILURE;
+      perror_msg("%s", name);
+    }
     if (len < 1) break;
     if ((CFG_CAT_V || CFG_CATV) && (toys.optflags&~FLAG_u)) {
       for (i=0; i<len; i++) {