ui-snapshot: whitespace/formatting cleanup

Introduce a #define for number of snapshot archive entries, move all decls
to function entrypoint, remove some trailing whitespace and reformat a few
lines.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

diff --git a/ui-snapshot.c b/ui-snapshot.c
index f9879ed6a829bba87716374921ef3d6a6788d260..bd34a28a41713cccffff7a52742e4a61038e0544 100644 (file)
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -30,7 +30,7 @@ static int write_compressed_tar_archive(struct archiver_args *args,const char *f
        /* parent */
        chk_zero(close(rw[0]), "Closing read end of pipe");
        chk_non_negative(dup2(rw[1],STDOUT_FILENO), "Redirecting output to compressor");
-       
+
        rv = write_tar_archive(args);
 
        chk_zero(close(STDOUT_FILENO), "Closing STDOUT redirected to compressor");
@@ -48,6 +48,7 @@ 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");
@@ -65,27 +66,25 @@ static const struct snapshot_archive_t {
        { ".tar", "application/x-tar", write_tar_archive, 0x8 }
 };
 
+#define snapshot_archives_len (sizeof(snapshot_archives) / sizeof(*snapshot_archives))
+
 void cgit_print_snapshot(struct cacheitem *item, const char *head,
                         const char *hex, const char *prefix,
                         const char *filename, int snapshots)
 {
-       int fnl = strlen(filename);
-       int f, n;
-
-       n = sizeof(snapshot_archives) / sizeof(*snapshot_archives);
-       for(f=0; f<n; f++) {
-               const struct snapshot_archive_t* sat = &snapshot_archives[f];
-               int sl;
+       const struct snapshot_archive_t* sat;
+       struct archiver_args args;
+       struct commit *commit;
+       unsigned char sha1[20];
+       int f, sl, fnl = strlen(filename);
+
+       for(f=0; f<snapshot_archives_len; f++) {
+               sat = &snapshot_archives[f];
                if(!(snapshots & sat->bit))
                        continue;
                sl = strlen(sat->suffix);
                if(fnl<sl || strcmp(&filename[fnl-sl],sat->suffix))
                        continue;
-
-               struct archiver_args args;
-               struct commit *commit;
-               unsigned char sha1[20];
-
                if (!hex)
                        hex = head;
                if(get_sha1(hex, sha1)) {
@@ -93,16 +92,13 @@ void cgit_print_snapshot(struct cacheitem *item, const char *head,
                        return;
                }
                commit = lookup_commit_reference(sha1);
-
                if(!commit) {
                        cgit_print_error(fmt("Not a commit reference: %s", hex));
                        return;;
                }
-
                memset(&args,0,sizeof(args));
                args.base = fmt("%s/", prefix);
                args.tree = commit->tree;
-
                cgit_print_snapshot_start(sat->mimetype, filename, item);
                (*sat->write_func)(&args);
                return;
@@ -113,12 +109,12 @@ void cgit_print_snapshot(struct cacheitem *item, const char *head,
 void cgit_print_snapshot_links(const char *repo, const char *head,
                               const char *hex, int snapshots)
 {
+       const struct snapshot_archive_t* sat;
        char *filename;
-       int f, n;
+       int f;
 
-       n = sizeof(snapshot_archives) / sizeof(*snapshot_archives);
-       for(f=0; f<n ;f++) {
-               const struct snapshot_archive_t* sat = &snapshot_archives[f];
+       for(f=0; f<snapshot_archives_len; f++) {
+               sat = &snapshot_archives[f];
                if(!(snapshots & sat->bit))
                        continue;
                filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
@@ -131,18 +127,22 @@ void cgit_print_snapshot_links(const char *repo, const char *head,
 
 int cgit_parse_snapshots_mask(const char *str)
 {
+       const struct snapshot_archive_t* sat;
        static const char *delim = " \t,:/|;";
        int f, tl, rv = 0;
+
        /* favor legacy setting */
-       if(atoi(str)) return 1;
+       if(atoi(str))
+               return 1;
        for(;;) {
                str += strspn(str,delim);
                tl = strcspn(str,delim);
                if(!tl)
                        break;
-               for(f=0;f<(sizeof(snapshot_archives)/sizeof(*snapshot_archives));++f) {
-                       const struct snapshot_archive_t* sat = &snapshot_archives[f];
-                       if(! ( strncmp(sat->suffix,str,tl) && strncmp(sat->suffix+1,str,tl-1) ) ) {
+               for(f=0; f<snapshot_archives_len; f++) {
+                       sat = &snapshot_archives[f];
+                       if(!(strncmp(sat->suffix, str, tl) &&
+                            strncmp(sat->suffix+1, str, tl-1))) {
                                rv |= sat->bit;
                                break;
                        }