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-rw-r--r--shared.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/shared.c b/shared.c
index 01197f1..6259d75 100644
--- a/shared.c
+++ b/shared.c
@@ -459,7 +459,6 @@ void cgit_prepare_repo_env(struct cgit_repo * repo)
int cgit_open_filter(struct cgit_filter *filter)
{
-
filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
"Unable to duplicate STDOUT");
chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess");
@@ -480,13 +479,15 @@ int cgit_open_filter(struct cgit_filter *filter)
int cgit_close_filter(struct cgit_filter *filter)
{
+ int exit_status;
+
chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO),
"Unable to restore STDOUT");
close(filter->old_stdout);
if (filter->pid < 0)
return 0;
- waitpid(filter->pid, &filter->exitstatus, 0);
- if (WIFEXITED(filter->exitstatus) && !WEXITSTATUS(filter->exitstatus))
+ waitpid(filter->pid, &exit_status, 0);
+ if (WIFEXITED(exit_status) && !WEXITSTATUS(exit_status))
return 0;
die("Subprocess %s exited abnormally", filter->cmd);
}