Signed-off-by: Johannes Sixt <johannes.sixt@xxxxxxxxxx>
---
convert.c | 36 ++++++++++--------------------------
1 files changed, 10 insertions(+), 26 deletions(-)
diff --git a/convert.c b/convert.c
index 0d5e909..560679d 100644
--- a/convert.c
+++ b/convert.c
@@ -196,40 +196,24 @@ 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];
+ struct child_process chld;
int write_err, status;
+ const char *argv[] = { "sh", "-c", cmd, NULL };
- memset(&child_process, 0, sizeof(child_process));
+ memset(&chld, 0, sizeof(chld));
+ chld.argv = argv;
+ chld.in = -1;
- if (pipe(pipe_feed) < 0) {
- error("cannot create pipe to run external filter %s", cmd);
- return 1;
- }
+ if (start_command(&chld))
+ return error("cannot fork to run external filter %s", cmd);
- 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]);
-
- write_err = (write_in_full(pipe_feed[1], src, size) < 0);
- if (close(pipe_feed[1]))
+ write_err = (write_in_full(chld.in, src, size) < 0);
+ if (close(chld.in))
write_err = 1;
if (write_err)
error("cannot feed the input to external filter %s", cmd);
- status = finish_command(&child_process);
+ status = finish_command(&chld);
if (status)
error("external filter %s failed %d", cmd, -status);
return (write_err || status);
--
1.5.3.3.1134.gee562
-
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