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authorJason A. Donenfeld <Jason@zx2c4.com>2017-10-14 16:13:07 +0200
committerJason A. Donenfeld <Jason@zx2c4.com>2017-10-14 16:13:07 +0200
commitfd069b4ca08cb46eb335a1434330b21fbaf84b9c (patch)
tree86596b5a361224322ea8ff23130273c835c25452 /filter.c
parent9d751e7eec4f4bc7292be46f2af774fe1adf336a (diff)
filter: pipe_fh should be local
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'filter.c')
-rw-r--r--filter.c13
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;
}