1 files changed, 7 insertions, 28 deletions

diff --git a/ui-snapshot.c b/ui-snapshot.c
index 5372f5d..4136b3e 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -1,77 +1,56 @@
 /* ui-snapshot.c: generate snapshot of a commit
  *
  * Copyright (C) 2006 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 #include "html.h"
 #include "ui-shared.h"
 
 static int write_compressed_tar_archive(struct archiver_args *args,const char *filter)
 {
-        int rw[2];
-        pid_t gzpid;
-        int stdout2;
-        int status;
         int rv;
+        struct cgit_filter f;
 
-        stdout2 = chk_non_negative(dup(STDIN_FILENO), "Preserving STDOUT before compressing");
-        chk_zero(pipe(rw), "Opening pipe from compressor subprocess");
-        gzpid = chk_non_negative(fork(), "Forking compressor subprocess");
-        if(gzpid==0) {
-                /* child */
-                chk_zero(close(rw[1]), "Closing write end of pipe in child");
-                chk_zero(close(STDIN_FILENO), "Closing STDIN");
-                chk_non_negative(dup2(rw[0],STDIN_FILENO), "Redirecting compressor input to stdin");
-                execlp(filter,filter,NULL);
-                _exit(-1);
-        }
-        /* parent */
-        chk_zero(close(rw[0]), "Closing read end of pipe");
-        chk_non_negative(dup2(rw[1],STDOUT_FILENO), "Redirecting output to compressor");
-
+        f.cmd = xstrdup(filter);
+        f.argv = malloc(2 * sizeof(char *));
+        f.argv[0] = f.cmd;
+        f.argv[1] = NULL;
+        cgit_open_filter(&f);
         rv = write_tar_archive(args);
-
-        chk_zero(close(STDOUT_FILENO), "Closing STDOUT redirected to compressor");
-        chk_non_negative(dup2(stdout2,STDOUT_FILENO), "Restoring uncompressed STDOUT");
-        chk_zero(close(stdout2), "Closing uncompressed STDOUT");
-        chk_zero(close(rw[1]), "Closing write end of pipe in parent");
-        chk_positive(waitpid(gzpid,&status,0), "Waiting on compressor process");
-        if(! ( WIFEXITED(status) && WEXITSTATUS(status)==0 ) )
-                cgit_print_error("Failed to compress archive");
-
+        cgit_close_filter(&f);
         return rv;
 }
 
 static int write_tar_gzip_archive(struct archiver_args *args)
 {
         return write_compressed_tar_archive(args,"gzip");
 }
 
 static int write_tar_bzip2_archive(struct archiver_args *args)
 {
         return write_compressed_tar_archive(args,"bzip2");
 }
 
 const struct cgit_snapshot_format cgit_snapshot_formats[] = {
         { ".zip", "application/x-zip", write_zip_archive, 0x1 },
         { ".tar.gz", "application/x-gzip", write_tar_gzip_archive, 0x2 },
         { ".tar.bz2", "application/x-bzip2", write_tar_bzip2_archive, 0x4 },
         { ".tar", "application/x-tar", write_tar_archive, 0x8 },
         {}
 };
 
 static const struct cgit_snapshot_format *get_format(const char *filename)
 {
         const struct cgit_snapshot_format *fmt;
         int fl, sl;
 
         fl = strlen(filename);
         for(fmt = cgit_snapshot_formats; fmt->suffix; fmt++) {
                 sl = strlen(fmt->suffix);
                 if (sl >= fl)
                         continue;
                 if (!strcmp(fmt->suffix, filename + fl - sl))