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| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2017-10-14 16:13:07 +0200 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2017-10-14 16:13:07 +0200 |
| commit | fd069b4ca08cb46eb335a1434330b21fbaf84b9c (patch) | |
| tree | 86596b5a361224322ea8ff23130273c835c25452 /filter.c | |
| parent | parsing: don't clear existing state with empty input (diff) | |
| download | cgit-pink-fd069b4ca08cb46eb335a1434330b21fbaf84b9c.tar.gz cgit-pink-fd069b4ca08cb46eb335a1434330b21fbaf84b9c.zip | |
filter: pipe_fh should be local
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'filter.c')
| -rw-r--r-- | filter.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/filter.c b/filter.c index 949c931..70f5b74 100644 --- a/filter.c +++ b/filter.c @@ -42,6 +42,7 @@ void cgit_cleanup_filters(void) static int open_exec_filter(struct cgit_filter *base, va_list ap) { struct cgit_exec_filter *filter = (struct cgit_exec_filter *)base; + int pipe_fh[2]; int i; for (i = 0; i < filter->base.argument_count; i++) @@ -49,19 +50,19 @@ static int open_exec_filter(struct cgit_filter *base, va_list ap) filter->old_stdout = chk_positive(dup(STDOUT_FILENO), "Unable to duplicate STDOUT"); - chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess"); + chk_zero(pipe(pipe_fh), "Unable to create pipe to subprocess"); filter->pid = chk_non_negative(fork(), "Unable to create subprocess"); if (filter->pid == 0) { - close(filter->pipe_fh[1]); - chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO), + close(pipe_fh[1]); + chk_non_negative(dup2(pipe_fh[0], STDIN_FILENO), "Unable to use pipe as STDIN"); execvp(filter->cmd, filter->argv); die_errno("Unable to exec subprocess %s", filter->cmd); } - close(filter->pipe_fh[0]); - chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO), + close(pipe_fh[0]); + chk_non_negative(dup2(pipe_fh[1], STDOUT_FILENO), "Unable to use pipe as STDOUT"); - close(filter->pipe_fh[1]); + close(pipe_fh[1]); return 0; } |