From: Brett Gordon <beretta42@gmail.com>
Date: Tue, 6 Jun 2017 22:42:09 +0000 (-0400)
Subject: tar: bugfix: check for error on read()
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=f66edb99e53ea9c59df3094b8d731eaeff8f39a1;p=FUZIX.git

tar: bugfix: check for error on read()
---

diff --git a/Applications/util/tar.c b/Applications/util/tar.c
index 5af88976..40a5fd64 100644
--- a/Applications/util/tar.c
+++ b/Applications/util/tar.c
@@ -454,8 +454,12 @@ static void extract(char *argv[])
 
 	while (1) {
 		x = read(infile, &h, 512);
+		if (x < 0 ){
+			perror(ofile);
+			exit(1);
+		}
 		if (x < 512) {
-			fprintf(stderr, "bad filesize\n");
+			fprintf(stderr, "bad read size: %d\n", x);
 			exit(1);
 		}