diff options
| -rw-r--r-- | usr.bin/tail/tail.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/usr.bin/tail/tail.c b/usr.bin/tail/tail.c index 9162d17..373e6e2 100644 --- a/usr.bin/tail/tail.c +++ b/usr.bin/tail/tail.c @@ -219,12 +219,7 @@ main(int argc, char *argv[]) exit(1); } - /* - * Determine if input is a pipe. 4.4BSD will set the SOCKET - * bit in the st_mode field for pipes. Fix this then. - */ - if (lseek(fileno(stdin), (off_t)0, SEEK_CUR) == -1 && - errno == ESPIPE) { + if ((sb.st_mode & S_IFMT) == S_IFSOCK || (sb.st_mode & S_IFMT) == S_IFIFO) { errno = 0; fflag = 0; /* POSIX.2 requires this. */ } |
