From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Fri, 5 Oct 2007 19:17:16 +0000 (-0000)
Subject: tail: sizeof(buf) is sizeof(char*)! must be BUFSIZ
X-Git-Tag: 1_8_0~93
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=226002ea74a5285bb338b17419c13f43a1ff5a47;p=oweals%2Fbusybox.git

tail: sizeof(buf) is sizeof(char*)! must be BUFSIZ
---

diff --git a/coreutils/tail.c b/coreutils/tail.c
index 8a112346d..53dbf33ac 100644
--- a/coreutils/tail.c
+++ b/coreutils/tail.c
@@ -57,7 +57,7 @@ static ssize_t tail_read(int fd, char *buf, size_t count)
 		if (sbuf.st_size < current)
 			lseek(fd, 0, SEEK_SET);
 
-	r = safe_read(fd, buf, count);
+	r = full_read(fd, buf, count);
 	if (r < 0) {
 		bb_perror_msg(bb_msg_read_error);
 		G.status = EXIT_FAILURE;
@@ -271,7 +271,7 @@ int tail_main(int argc, char **argv)
 			if (nfiles > header_threshhold) {
 				fmt = header_fmt;
 			}
-			while ((nread = tail_read(fds[i], buf, sizeof(buf))) > 0) {
+			while ((nread = tail_read(fds[i], buf, BUFSIZ)) > 0) {
 				if (fmt) {
 					tail_xprint_header(fmt, argv[i]);
 					fmt = NULL;