diff options
Diffstat (limited to 'convert.c')
| -rw-r--r-- | convert.c | 30 |
1 files changed, 7 insertions, 23 deletions
@@ -199,34 +199,18 @@ static int filter_buffer(const char *path, const char *src, * Spawn cmd and feed the buffer contents through its stdin. */ struct child_process child_process; - int pipe_feed[2]; int write_err, status; + const char *argv[] = { "sh", "-c", cmd, NULL }; memset(&child_process, 0, sizeof(child_process)); + child_process.argv = argv; + child_process.in = -1; - if (pipe(pipe_feed) < 0) { - error("cannot create pipe to run external filter %s", cmd); - return 1; - } - - child_process.pid = fork(); - if (child_process.pid < 0) { - error("cannot fork to run external filter %s", cmd); - close(pipe_feed[0]); - close(pipe_feed[1]); - return 1; - } - if (!child_process.pid) { - dup2(pipe_feed[0], 0); - close(pipe_feed[0]); - close(pipe_feed[1]); - execlp("sh", "sh", "-c", cmd, NULL); - return 1; - } - close(pipe_feed[0]); + if (start_command(&child_process)) + return error("cannot fork to run external filter %s", cmd); - write_err = (write_in_full(pipe_feed[1], src, size) < 0); - if (close(pipe_feed[1])) + write_err = (write_in_full(child_process.in, src, size) < 0); + if (close(child_process.in)) write_err = 1; if (write_err) error("cannot feed the input to external filter %s", cmd); |