Refactor snapshot support
The snapshot support needs to be split between output- and config-related functions to get the layering between shared.c and ui-*.c right. There is also some codestyle-issues which needs fixing to make the snapshot functions more similar to the rest of the cgit code. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
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Lars Hjemli
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8
cgit.h
8
cgit.h
@ -177,10 +177,18 @@ struct cgit_context {
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struct cgit_page page;
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};
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struct cgit_snapshot_format {
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const char *suffix;
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const char *mimetype;
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write_archive_fn_t write_func;
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int bit;
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};
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extern const char *cgit_version;
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extern struct cgit_repolist cgit_repolist;
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extern struct cgit_context ctx;
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extern const struct cgit_snapshot_format cgit_snapshot_formats[];
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extern int cgit_cmd;
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extern void cgit_prepare_context(struct cgit_context *ctx);
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27
shared.c
27
shared.c
@ -479,3 +479,30 @@ void cgit_diff_commit(struct commit *commit, filepair_fn fn)
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old_sha1 = commit->parents->item->object.sha1;
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cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL);
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}
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int cgit_parse_snapshots_mask(const char *str)
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{
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const struct cgit_snapshot_format *f;
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static const char *delim = " \t,:/|;";
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int tl, sl, rv = 0;
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/* favor legacy setting */
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if(atoi(str))
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return 1;
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for(;;) {
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str += strspn(str,delim);
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tl = strcspn(str,delim);
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if (!tl)
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break;
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for (f = cgit_snapshot_formats; f->suffix; f++) {
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sl = strlen(f->suffix);
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if((tl == sl && !strncmp(f->suffix, str, tl)) ||
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(tl == sl-1 && !strncmp(f->suffix+1, str, tl-1))) {
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rv |= f->bit;
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break;
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}
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}
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str += tl;
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}
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return rv;
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}
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17
ui-shared.c
17
ui-shared.c
@ -573,4 +573,19 @@ void cgit_print_filemode(unsigned short mode)
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html_fileperm(mode);
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}
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/* vim:set sw=8: */
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void cgit_print_snapshot_links(const char *repo, const char *head,
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const char *hex, int snapshots)
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{
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const struct cgit_snapshot_format* f;
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char *filename;
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for (f = cgit_snapshot_formats; f->suffix; f++) {
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if (!(snapshots & f->bit))
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continue;
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filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
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f->suffix);
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cgit_snapshot_link(filename, NULL, NULL, (char *)head,
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(char *)hex, filename);
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html("<br/>");
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}
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}
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126
ui-snapshot.c
126
ui-snapshot.c
@ -55,105 +55,59 @@ static int write_tar_bzip2_archive(struct archiver_args *args)
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return write_compressed_tar_archive(args,"bzip2");
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}
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static const struct snapshot_archive_t {
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const char *suffix;
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const char *mimetype;
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write_archive_fn_t write_func;
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int bit;
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} snapshot_archives[] = {
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const struct cgit_snapshot_format cgit_snapshot_formats[] = {
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{ ".zip", "application/x-zip", write_zip_archive, 0x1 },
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{ ".tar.gz", "application/x-tar", write_tar_gzip_archive, 0x2 },
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{ ".tar.bz2", "application/x-tar", write_tar_bzip2_archive, 0x4 },
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{ ".tar", "application/x-tar", write_tar_archive, 0x8 }
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{ ".tar", "application/x-tar", write_tar_archive, 0x8 },
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{}
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};
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#define snapshot_archives_len (sizeof(snapshot_archives) / sizeof(*snapshot_archives))
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static int make_snapshot(const struct cgit_snapshot_format *format,
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const char *hex, const char *prefix,
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const char *filename)
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{
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struct archiver_args args;
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struct commit *commit;
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unsigned char sha1[20];
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if(get_sha1(hex, sha1)) {
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cgit_print_error(fmt("Bad object id: %s", hex));
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return 1;
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}
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commit = lookup_commit_reference(sha1);
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if(!commit) {
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cgit_print_error(fmt("Not a commit reference: %s", hex));
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return 1;
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}
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memset(&args, 0, sizeof(args));
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args.base = fmt("%s/", prefix);
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args.tree = commit->tree;
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args.time = commit->date;
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ctx.page.mimetype = xstrdup(format->mimetype);
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ctx.page.filename = xstrdup(filename);
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cgit_print_http_headers(&ctx);
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format->write_func(&args);
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return 0;
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}
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void cgit_print_snapshot(const char *head, const char *hex, const char *prefix,
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const char *filename, int snapshots)
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{
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const struct snapshot_archive_t* sat;
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struct archiver_args args;
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struct commit *commit;
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unsigned char sha1[20];
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int f, sl, fnl = strlen(filename);
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const struct cgit_snapshot_format* f;
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int sl, fnl;
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for(f=0; f<snapshot_archives_len; f++) {
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sat = &snapshot_archives[f];
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if(!(snapshots & sat->bit))
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fnl = strlen(filename);
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if (!hex)
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hex = head;
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for (f = cgit_snapshot_formats; f->suffix; f++) {
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if (!(snapshots & f->bit))
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continue;
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sl = strlen(sat->suffix);
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if(fnl<sl || strcmp(&filename[fnl-sl],sat->suffix))
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sl = strlen(f->suffix);
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if(fnl < sl || strcmp(&filename[fnl-sl], f->suffix))
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continue;
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if (!hex)
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hex = head;
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if(get_sha1(hex, sha1)) {
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cgit_print_error(fmt("Bad object id: %s", hex));
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return;
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}
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commit = lookup_commit_reference(sha1);
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if(!commit) {
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cgit_print_error(fmt("Not a commit reference: %s", hex));
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return;;
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}
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memset(&args,0,sizeof(args));
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args.base = fmt("%s/", prefix);
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args.tree = commit->tree;
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args.time = commit->date;
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ctx.page.mimetype = xstrdup(sat->mimetype);
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ctx.page.filename = xstrdup(filename);
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cgit_print_http_headers(&ctx);
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(*sat->write_func)(&args);
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make_snapshot(f, hex, prefix, filename);
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return;
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}
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cgit_print_error(fmt("Unsupported snapshot format: %s", filename));
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}
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void cgit_print_snapshot_links(const char *repo, const char *head,
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const char *hex, int snapshots)
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{
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const struct snapshot_archive_t* sat;
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char *filename;
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int f;
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for(f=0; f<snapshot_archives_len; f++) {
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sat = &snapshot_archives[f];
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if(!(snapshots & sat->bit))
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continue;
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filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
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sat->suffix);
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cgit_snapshot_link(filename, NULL, NULL, (char *)head,
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(char *)hex, filename);
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html("<br/>");
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}
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}
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int cgit_parse_snapshots_mask(const char *str)
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{
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const struct snapshot_archive_t* sat;
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static const char *delim = " \t,:/|;";
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int f, tl, sl, rv = 0;
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/* favor legacy setting */
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if(atoi(str))
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return 1;
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for(;;) {
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str += strspn(str,delim);
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tl = strcspn(str,delim);
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if(!tl)
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break;
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for(f=0; f<snapshot_archives_len; f++) {
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sat = &snapshot_archives[f];
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sl = strlen(sat->suffix);
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if((tl == sl && !strncmp(sat->suffix, str, tl)) ||
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(tl == sl-1 && !strncmp(sat->suffix+1, str, tl-1))) {
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rv |= sat->bit;
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break;
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}
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}
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str += tl;
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}
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return rv;
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}
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/* vim:set sw=8: */
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