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filter: make exit status local

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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>
This commit is contained in:
Jason A. Donenfeld 2014-01-10 03:51:02 +01:00
parent d01a6eec43
commit b67ea0c022
2 changed files with 4 additions and 4 deletions
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1
cgit.h
View File

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

7
shared.c
View File

@ -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);
}