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-rw-r--r--filter.c35
1 files changed, 24 insertions, 11 deletions
diff --git a/filter.c b/filter.c
index f4ee9ac..d8c0116 100644
--- a/filter.c
+++ b/filter.c
@@ -13,8 +13,16 @@
#include <string.h>
#include <stdlib.h>
-int cgit_open_filter(struct cgit_filter *filter)
+int cgit_open_filter(struct cgit_filter *filter, ...)
{
+ int i;
+ va_list ap;
+
+ va_start(ap, filter);
+ for (i = 0; i < filter->extra_args; i++)
+ filter->argv[i+1] = va_arg(ap, char *);
+ va_end(ap);
+
filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
"Unable to duplicate STDOUT");
chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess");
@@ -36,45 +44,50 @@ int cgit_open_filter(struct cgit_filter *filter)
int cgit_close_filter(struct cgit_filter *filter)
{
- int exit_status;
+ int i, 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;
+ goto done;
waitpid(filter->pid, &exit_status, 0);
if (WIFEXITED(exit_status) && !WEXITSTATUS(exit_status))
- return 0;
+ goto done;
die("Subprocess %s exited abnormally", filter->cmd);
+
+done:
+ for (i = 0; i < filter->extra_args; i++)
+ filter->argv[i+1] = NULL;
+ return 0;
+
}
struct cgit_filter *cgit_new_filter(const char *cmd, filter_type filtertype)
{
struct cgit_filter *f;
int args_size = 0;
- int extra_args;
if (!cmd || !cmd[0])
return NULL;
+ f = xmalloc(sizeof(struct cgit_filter));
+ memset(f, 0, sizeof(struct cgit_filter));
+
switch (filtertype) {
case SOURCE:
case ABOUT:
- extra_args = 1;
+ f->extra_args = 1;
break;
case COMMIT:
default:
- extra_args = 0;
+ f->extra_args = 0;
break;
}
-
- f = xmalloc(sizeof(struct cgit_filter));
- memset(f, 0, sizeof(struct cgit_filter));
f->cmd = xstrdup(cmd);
- args_size = (2 + extra_args) * sizeof(char *);
+ args_size = (2 + f->extra_args) * sizeof(char *);
f->argv = xmalloc(args_size);
memset(f->argv, 0, args_size);
f->argv[0] = f->cmd;