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-rw-r--r--ui-snapshot.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/ui-snapshot.c b/ui-snapshot.c
index dfedd8f..67dbbdd 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -1,57 +1,58 @@
1/* ui-snapshot.c: generate snapshot of a commit 1/* ui-snapshot.c: generate snapshot of a commit
2 * 2 *
3 * Copyright (C) 2006 Lars Hjemli 3 * Copyright (C) 2006 Lars Hjemli
4 * 4 *
5 * Licensed under GNU General Public License v2 5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text) 6 * (see COPYING for full license text)
7 */ 7 */
8 8
9#include "cgit.h" 9#include "cgit.h"
10#include "html.h"
10 11
11static int write_compressed_tar_archive(struct archiver_args *args,const char *filter) 12static int write_compressed_tar_archive(struct archiver_args *args,const char *filter)
12{ 13{
13 int rw[2]; 14 int rw[2];
14 pid_t gzpid; 15 pid_t gzpid;
15 int stdout2; 16 int stdout2;
16 int status; 17 int status;
17 int rv; 18 int rv;
18 19
19 stdout2 = chk_non_negative(dup(STDIN_FILENO), "Preserving STDOUT before compressing"); 20 stdout2 = chk_non_negative(dup(STDIN_FILENO), "Preserving STDOUT before compressing");
20 chk_zero(pipe(rw), "Opening pipe from compressor subprocess"); 21 chk_zero(pipe(rw), "Opening pipe from compressor subprocess");
21 gzpid = chk_non_negative(fork(), "Forking compressor subprocess"); 22 gzpid = chk_non_negative(fork(), "Forking compressor subprocess");
22 if(gzpid==0) { 23 if(gzpid==0) {
23 /* child */ 24 /* child */
24 chk_zero(close(rw[1]), "Closing write end of pipe in child"); 25 chk_zero(close(rw[1]), "Closing write end of pipe in child");
25 chk_zero(close(STDIN_FILENO), "Closing STDIN"); 26 chk_zero(close(STDIN_FILENO), "Closing STDIN");
26 chk_non_negative(dup2(rw[0],STDIN_FILENO), "Redirecting compressor input to stdin"); 27 chk_non_negative(dup2(rw[0],STDIN_FILENO), "Redirecting compressor input to stdin");
27 execlp(filter,filter,NULL); 28 execlp(filter,filter,NULL);
28 _exit(-1); 29 _exit(-1);
29 } 30 }
30 /* parent */ 31 /* parent */
31 chk_zero(close(rw[0]), "Closing read end of pipe"); 32 chk_zero(close(rw[0]), "Closing read end of pipe");
32 chk_non_negative(dup2(rw[1],STDOUT_FILENO), "Redirecting output to compressor"); 33 chk_non_negative(dup2(rw[1],STDOUT_FILENO), "Redirecting output to compressor");
33 34
34 rv = write_tar_archive(args); 35 rv = write_tar_archive(args);
35 36
36 chk_zero(close(STDOUT_FILENO), "Closing STDOUT redirected to compressor"); 37 chk_zero(close(STDOUT_FILENO), "Closing STDOUT redirected to compressor");
37 chk_non_negative(dup2(stdout2,STDOUT_FILENO), "Restoring uncompressed STDOUT"); 38 chk_non_negative(dup2(stdout2,STDOUT_FILENO), "Restoring uncompressed STDOUT");
38 chk_zero(close(stdout2), "Closing uncompressed STDOUT"); 39 chk_zero(close(stdout2), "Closing uncompressed STDOUT");
39 chk_zero(close(rw[1]), "Closing write end of pipe in parent"); 40 chk_zero(close(rw[1]), "Closing write end of pipe in parent");
40 chk_positive(waitpid(gzpid,&status,0), "Waiting on compressor process"); 41 chk_positive(waitpid(gzpid,&status,0), "Waiting on compressor process");
41 if(! ( WIFEXITED(status) && WEXITSTATUS(status)==0 ) ) 42 if(! ( WIFEXITED(status) && WEXITSTATUS(status)==0 ) )
42 cgit_print_error("Failed to compress archive"); 43 cgit_print_error("Failed to compress archive");
43 44
44 return rv; 45 return rv;
45} 46}
46 47
47static int write_tar_gzip_archive(struct archiver_args *args) 48static int write_tar_gzip_archive(struct archiver_args *args)
48{ 49{
49 return write_compressed_tar_archive(args,"gzip"); 50 return write_compressed_tar_archive(args,"gzip");
50} 51}
51 52
52static int write_tar_bzip2_archive(struct archiver_args *args) 53static int write_tar_bzip2_archive(struct archiver_args *args)
53{ 54{
54 return write_compressed_tar_archive(args,"bzip2"); 55 return write_compressed_tar_archive(args,"bzip2");
55} 56}
56 57
57static const struct snapshot_archive_t { 58static const struct snapshot_archive_t {