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

1 files changed, 2 insertions, 2 deletions

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;