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-rw-r--r--filter.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/filter.c b/filter.c
index 4d4acaf..0cce7bb 100644
--- a/filter.c
+++ b/filter.c
@@ -106,7 +106,7 @@ static int open_exec_filter(struct cgit_filter *base, va_list ap)
static int close_exec_filter(struct cgit_filter *base)
{
struct cgit_exec_filter *filter = (struct cgit_exec_filter *)base;
- int i, exit_status;
+ int i, exit_status = 0;
chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO),
"Unable to restore STDOUT");
@@ -114,14 +114,14 @@ static int close_exec_filter(struct cgit_filter *base)
if (filter->pid < 0)
goto done;
waitpid(filter->pid, &exit_status, 0);
- if (WIFEXITED(exit_status) && !WEXITSTATUS(exit_status))
+ if (WIFEXITED(exit_status))
goto done;
die("Subprocess %s exited abnormally", filter->cmd);
done:
for (i = 0; i < filter->base.argument_count; i++)
filter->argv[i + 1] = NULL;
- return 0;
+ return WEXITSTATUS(exit_status);
}
@@ -315,10 +315,14 @@ static int close_lua_filter(struct cgit_filter *base)
int ret = 0;
lua_getglobal(filter->lua_state, "filter_close");
- if (lua_pcall(filter->lua_state, 0, 0, 0)) {
+ if (lua_pcall(filter->lua_state, 0, 1, 0)) {
error_lua_filter(filter);
- ret = 1;
+ ret = -1;
+ } else {
+ ret = lua_tonumber(filter->lua_state, -1);
+ lua_pop(filter->lua_state, 1);
}
+
unhook_write();
return ret;
}