summaryrefslogtreecommitdiff
path: root/coreutils/tail.c
diff options
context:
space:
mode:
Diffstat (limited to 'coreutils/tail.c')
-rw-r--r--coreutils/tail.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/coreutils/tail.c b/coreutils/tail.c
index 80a66fb..49f1bcd 100644
--- a/coreutils/tail.c
+++ b/coreutils/tail.c
@@ -42,20 +42,25 @@ static const struct suffix_mult tail_suffixes[] = {
static int status;
-static void tail_xprint_header(const char *fmt, const char *filename)
+static void tail_xbb_full_write(const char *buf, size_t len)
{
- /* If we get an output error, there is really no sense in continuing. */
- if (dprintf(STDOUT_FILENO, fmt, filename) < 0) {
+ /* If we get a write error, there is really no sense in continuing. */
+ if (full_write(STDOUT_FILENO, buf, len) < 0)
bb_perror_nomsg_and_die();
- }
}
-/* len should probably be size_t */
-static void tail_xbb_full_write(const char *buf, size_t len)
+static void tail_xprint_header(const char *fmt, const char *filename)
{
- /* If we get a write error, there is really no sense in continuing. */
- if (full_write(STDOUT_FILENO, buf, len) < 0)
+#if defined __GLIBC__
+ if (dprintf(STDOUT_FILENO, fmt, filename) < 0) {
bb_perror_nomsg_and_die();
+ }
+#else
+ int hdr_len = strlen(fmt) + strlen(filename);
+ char *hdr = xzalloc(hdr_len);
+ sprintf(hdr, filename, filename);
+ tail_xbb_full_write(hdr, hdr_len);
+#endif
}
static ssize_t tail_read(int fd, char *buf, size_t count)