diff options
| -rw-r--r-- | src/xz/file_io.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/src/xz/file_io.c b/src/xz/file_io.c index f135cf7c..bf4462d9 100644 --- a/src/xz/file_io.c +++ b/src/xz/file_io.c @@ -393,7 +393,10 @@ io_open_src_real(file_pair *pair) #ifdef TUKLIB_DOSLIKE setmode(STDIN_FILENO, O_BINARY); #else - // Enable O_NONBLOCK for stdin. + // Try to set stdout to non-blocking mode. It won't work + // e.g. on OpenBSD if stdout is e.g. /dev/null. In such + // case we proceed as if stdout were non-blocking anyway + // (in case of /dev/null it will be in practice). stdin_flags = fcntl(STDIN_FILENO, F_GETFL); if (stdin_flags == -1) { message_error(_("Error getting the file status flags " @@ -402,17 +405,10 @@ io_open_src_real(file_pair *pair) return true; } - if ((stdin_flags & O_NONBLOCK) == 0) { - if (fcntl(STDIN_FILENO, F_SETFL, - stdin_flags | O_NONBLOCK) == -1) { - message_error(_("Error setting O_NONBLOCK " - "on standard input: %s"), - strerror(errno)); - return true; - } - + if ((stdin_flags & O_NONBLOCK) == 0 + && fcntl(STDIN_FILENO, F_SETFL, + stdin_flags | O_NONBLOCK) != -1) restore_stdin_flags = true; - } #endif #ifdef HAVE_POSIX_FADVISE // It will fail if stdin is a pipe and that's fine. |