filter: make exit status local

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>
upstream
Jason A. Donenfeld 11 years ago
parent d01a6eec43
commit b67ea0c022
  1. 1
      cgit.h
  2. 7
      shared.c

@ -62,7 +62,6 @@ struct cgit_filter {
int old_stdout; int old_stdout;
int pipe_fh[2]; int pipe_fh[2];
int pid; int pid;
int exitstatus;
}; };
struct cgit_repo { struct cgit_repo {

@ -459,7 +459,6 @@ void cgit_prepare_repo_env(struct cgit_repo * repo)
int cgit_open_filter(struct cgit_filter *filter) int cgit_open_filter(struct cgit_filter *filter)
{ {
filter->old_stdout = chk_positive(dup(STDOUT_FILENO), filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
"Unable to duplicate STDOUT"); "Unable to duplicate STDOUT");
chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess"); 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 cgit_close_filter(struct cgit_filter *filter)
{ {
int exit_status;
chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO), chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO),
"Unable to restore STDOUT"); "Unable to restore STDOUT");
close(filter->old_stdout); close(filter->old_stdout);
if (filter->pid < 0) if (filter->pid < 0)
return 0; return 0;
waitpid(filter->pid, &filter->exitstatus, 0); waitpid(filter->pid, &exit_status, 0);
if (WIFEXITED(filter->exitstatus) && !WEXITSTATUS(filter->exitstatus)) if (WIFEXITED(exit_status) && !WEXITSTATUS(exit_status))
return 0; return 0;
die("Subprocess %s exited abnormally", filter->cmd); die("Subprocess %s exited abnormally", filter->cmd);
} }

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