diff options
Diffstat (limited to 'coreutils/tail.c')
| -rw-r--r-- | coreutils/tail.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/coreutils/tail.c b/coreutils/tail.c index 80a66fbf5..49f1bcd6a 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) |