It's only used in one place, and not useful to have around since
close_filter will die() if exit_status isn't what it expects, anyway. So
this is best as just a local variable instead of as part of the struct.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
int old_stdout;
int pipe_fh[2];
int pid;
int old_stdout;
int pipe_fh[2];
int pid;
int cgit_open_filter(struct cgit_filter *filter)
{
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");
filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
"Unable to duplicate STDOUT");
chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess");
int cgit_close_filter(struct cgit_filter *filter)
{
int cgit_close_filter(struct cgit_filter *filter)
{
chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO),
"Unable to restore STDOUT");
close(filter->old_stdout);
if (filter->pid < 0)
return 0;
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);
}
return 0;
die("Subprocess %s exited abnormally", filter->cmd);
}