summaryrefslogtreecommitdiffabout
authorLars Hjemli <hjemli@gmail.com>2008-03-24 16:26:08 (UTC)
committer Lars Hjemli <hjemli@gmail.com>2008-03-24 16:26:08 (UTC)
commit163037e79c6cde1073d555dbeae2a095298e6101 (patch) (unidiff)
tree37f36b95772eff04683a7f7efc1c5c369b7bf905
parenta4d1ca1dc6ff8171694d9e2280b6075a1beced0c (diff)
downloadcgit-163037e79c6cde1073d555dbeae2a095298e6101.zip
cgit-163037e79c6cde1073d555dbeae2a095298e6101.tar.gz
cgit-163037e79c6cde1073d555dbeae2a095298e6101.tar.bz2
Move non-generic functions from shared.c to cgit.c
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--cgit.c156
-rw-r--r--cgit.h4
-rw-r--r--shared.c152
3 files changed, 155 insertions, 157 deletions
diff --git a/cgit.c b/cgit.c
index dbb023e..b3dd119 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,108 +1,258 @@
1/* cgit.c: cgi for the git scm 1/* cgit.c: cgi for the git scm
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 "cmd.h" 10#include "cmd.h"
11#include "ui-shared.h" 11#include "ui-shared.h"
12 12
13void config_cb(const char *name, const char *value)
14{
15 if (!strcmp(name, "root-title"))
16 ctx.cfg.root_title = xstrdup(value);
17 else if (!strcmp(name, "css"))
18 ctx.cfg.css = xstrdup(value);
19 else if (!strcmp(name, "logo"))
20 ctx.cfg.logo = xstrdup(value);
21 else if (!strcmp(name, "index-header"))
22 ctx.cfg.index_header = xstrdup(value);
23 else if (!strcmp(name, "index-info"))
24 ctx.cfg.index_info = xstrdup(value);
25 else if (!strcmp(name, "logo-link"))
26 ctx.cfg.logo_link = xstrdup(value);
27 else if (!strcmp(name, "module-link"))
28 ctx.cfg.module_link = xstrdup(value);
29 else if (!strcmp(name, "virtual-root")) {
30 ctx.cfg.virtual_root = trim_end(value, '/');
31 if (!ctx.cfg.virtual_root && (!strcmp(value, "/")))
32 ctx.cfg.virtual_root = "";
33 } else if (!strcmp(name, "nocache"))
34 ctx.cfg.nocache = atoi(value);
35 else if (!strcmp(name, "snapshots"))
36 ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
37 else if (!strcmp(name, "enable-index-links"))
38 ctx.cfg.enable_index_links = atoi(value);
39 else if (!strcmp(name, "enable-log-filecount"))
40 ctx.cfg.enable_log_filecount = atoi(value);
41 else if (!strcmp(name, "enable-log-linecount"))
42 ctx.cfg.enable_log_linecount = atoi(value);
43 else if (!strcmp(name, "cache-root"))
44 ctx.cfg.cache_root = xstrdup(value);
45 else if (!strcmp(name, "cache-root-ttl"))
46 ctx.cfg.cache_root_ttl = atoi(value);
47 else if (!strcmp(name, "cache-repo-ttl"))
48 ctx.cfg.cache_repo_ttl = atoi(value);
49 else if (!strcmp(name, "cache-static-ttl"))
50 ctx.cfg.cache_static_ttl = atoi(value);
51 else if (!strcmp(name, "cache-dynamic-ttl"))
52 ctx.cfg.cache_dynamic_ttl = atoi(value);
53 else if (!strcmp(name, "max-message-length"))
54 ctx.cfg.max_msg_len = atoi(value);
55 else if (!strcmp(name, "max-repodesc-length"))
56 ctx.cfg.max_repodesc_len = atoi(value);
57 else if (!strcmp(name, "max-commit-count"))
58 ctx.cfg.max_commit_count = atoi(value);
59 else if (!strcmp(name, "summary-log"))
60 ctx.cfg.summary_log = atoi(value);
61 else if (!strcmp(name, "summary-branches"))
62 ctx.cfg.summary_branches = atoi(value);
63 else if (!strcmp(name, "summary-tags"))
64 ctx.cfg.summary_tags = atoi(value);
65 else if (!strcmp(name, "agefile"))
66 ctx.cfg.agefile = xstrdup(value);
67 else if (!strcmp(name, "renamelimit"))
68 ctx.cfg.renamelimit = atoi(value);
69 else if (!strcmp(name, "robots"))
70 ctx.cfg.robots = xstrdup(value);
71 else if (!strcmp(name, "clone-prefix"))
72 ctx.cfg.clone_prefix = xstrdup(value);
73 else if (!strcmp(name, "repo.group"))
74 ctx.cfg.repo_group = xstrdup(value);
75 else if (!strcmp(name, "repo.url"))
76 ctx.repo = cgit_add_repo(value);
77 else if (!strcmp(name, "repo.name"))
78 ctx.repo->name = xstrdup(value);
79 else if (ctx.repo && !strcmp(name, "repo.path"))
80 ctx.repo->path = trim_end(value, '/');
81 else if (ctx.repo && !strcmp(name, "repo.clone-url"))
82 ctx.repo->clone_url = xstrdup(value);
83 else if (ctx.repo && !strcmp(name, "repo.desc"))
84 ctx.repo->desc = xstrdup(value);
85 else if (ctx.repo && !strcmp(name, "repo.owner"))
86 ctx.repo->owner = xstrdup(value);
87 else if (ctx.repo && !strcmp(name, "repo.defbranch"))
88 ctx.repo->defbranch = xstrdup(value);
89 else if (ctx.repo && !strcmp(name, "repo.snapshots"))
90 ctx.repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value); /* XXX: &? */
91 else if (ctx.repo && !strcmp(name, "repo.enable-log-filecount"))
92 ctx.repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
93 else if (ctx.repo && !strcmp(name, "repo.enable-log-linecount"))
94 ctx.repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
95 else if (ctx.repo && !strcmp(name, "repo.module-link"))
96 ctx.repo->module_link= xstrdup(value);
97 else if (ctx.repo && !strcmp(name, "repo.readme") && value != NULL) {
98 if (*value == '/')
99 ctx.repo->readme = xstrdup(value);
100 else
101 ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value));
102 } else if (!strcmp(name, "include"))
103 cgit_read_config(value, config_cb);
104}
105
106static void querystring_cb(const char *name, const char *value)
107{
108 if (!strcmp(name,"r")) {
109 ctx.qry.repo = xstrdup(value);
110 ctx.repo = cgit_get_repoinfo(value);
111 } else if (!strcmp(name, "p")) {
112 ctx.qry.page = xstrdup(value);
113 } else if (!strcmp(name, "url")) {
114 cgit_parse_url(value);
115 } else if (!strcmp(name, "qt")) {
116 ctx.qry.grep = xstrdup(value);
117 } else if (!strcmp(name, "q")) {
118 ctx.qry.search = xstrdup(value);
119 } else if (!strcmp(name, "h")) {
120 ctx.qry.head = xstrdup(value);
121 ctx.qry.has_symref = 1;
122 } else if (!strcmp(name, "id")) {
123 ctx.qry.sha1 = xstrdup(value);
124 ctx.qry.has_sha1 = 1;
125 } else if (!strcmp(name, "id2")) {
126 ctx.qry.sha2 = xstrdup(value);
127 ctx.qry.has_sha1 = 1;
128 } else if (!strcmp(name, "ofs")) {
129 ctx.qry.ofs = atoi(value);
130 } else if (!strcmp(name, "path")) {
131 ctx.qry.path = trim_end(value, '/');
132 } else if (!strcmp(name, "name")) {
133 ctx.qry.name = xstrdup(value);
134 }
135}
136
137static void prepare_context(struct cgit_context *ctx)
138{
139 memset(ctx, 0, sizeof(ctx));
140 ctx->cfg.agefile = "info/web/last-modified";
141 ctx->cfg.cache_dynamic_ttl = 5;
142 ctx->cfg.cache_max_create_time = 5;
143 ctx->cfg.cache_repo_ttl = 5;
144 ctx->cfg.cache_root = CGIT_CACHE_ROOT;
145 ctx->cfg.cache_root_ttl = 5;
146 ctx->cfg.cache_static_ttl = -1;
147 ctx->cfg.css = "/cgit.css";
148 ctx->cfg.logo = "/git-logo.png";
149 ctx->cfg.max_commit_count = 50;
150 ctx->cfg.max_lock_attempts = 5;
151 ctx->cfg.max_msg_len = 60;
152 ctx->cfg.max_repodesc_len = 60;
153 ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
154 ctx->cfg.renamelimit = -1;
155 ctx->cfg.robots = "index, nofollow";
156 ctx->cfg.root_title = "Git repository browser";
157 ctx->cfg.script_name = CGIT_SCRIPT_NAME;
158 ctx->page.mimetype = "text/html";
159 ctx->page.charset = PAGE_ENCODING;
160 ctx->page.filename = NULL;
161}
162
13static int cgit_prepare_cache(struct cacheitem *item) 163static int cgit_prepare_cache(struct cacheitem *item)
14{ 164{
15 if (!ctx.repo && ctx.qry.repo) { 165 if (!ctx.repo && ctx.qry.repo) {
16 ctx.page.title = fmt("%s - %s", ctx.cfg.root_title, 166 ctx.page.title = fmt("%s - %s", ctx.cfg.root_title,
17 "Bad request"); 167 "Bad request");
18 cgit_print_http_headers(&ctx); 168 cgit_print_http_headers(&ctx);
19 cgit_print_docstart(&ctx); 169 cgit_print_docstart(&ctx);
20 cgit_print_pageheader(&ctx); 170 cgit_print_pageheader(&ctx);
21 cgit_print_error(fmt("Unknown repo: %s", ctx.qry.repo)); 171 cgit_print_error(fmt("Unknown repo: %s", ctx.qry.repo));
22 cgit_print_docend(); 172 cgit_print_docend();
23 return 0; 173 return 0;
24 } 174 }
25 175
26 if (!ctx.repo) { 176 if (!ctx.repo) {
27 item->name = xstrdup(fmt("%s/index.html", ctx.cfg.cache_root)); 177 item->name = xstrdup(fmt("%s/index.html", ctx.cfg.cache_root));
28 item->ttl = ctx.cfg.cache_root_ttl; 178 item->ttl = ctx.cfg.cache_root_ttl;
29 return 1; 179 return 1;
30 } 180 }
31 181
32 if (!cgit_cmd) { 182 if (!cgit_cmd) {
33 item->name = xstrdup(fmt("%s/%s/index.%s.html", ctx.cfg.cache_root, 183 item->name = xstrdup(fmt("%s/%s/index.%s.html", ctx.cfg.cache_root,
34 cache_safe_filename(ctx.repo->url), 184 cache_safe_filename(ctx.repo->url),
35 cache_safe_filename(ctx.qry.raw))); 185 cache_safe_filename(ctx.qry.raw)));
36 item->ttl = ctx.cfg.cache_repo_ttl; 186 item->ttl = ctx.cfg.cache_repo_ttl;
37 } else { 187 } else {
38 item->name = xstrdup(fmt("%s/%s/%s/%s.html", ctx.cfg.cache_root, 188 item->name = xstrdup(fmt("%s/%s/%s/%s.html", ctx.cfg.cache_root,
39 cache_safe_filename(ctx.repo->url), 189 cache_safe_filename(ctx.repo->url),
40 ctx.qry.page, 190 ctx.qry.page,
41 cache_safe_filename(ctx.qry.raw))); 191 cache_safe_filename(ctx.qry.raw)));
42 if (ctx.qry.has_symref) 192 if (ctx.qry.has_symref)
43 item->ttl = ctx.cfg.cache_dynamic_ttl; 193 item->ttl = ctx.cfg.cache_dynamic_ttl;
44 else if (ctx.qry.has_sha1) 194 else if (ctx.qry.has_sha1)
45 item->ttl = ctx.cfg.cache_static_ttl; 195 item->ttl = ctx.cfg.cache_static_ttl;
46 else 196 else
47 item->ttl = ctx.cfg.cache_repo_ttl; 197 item->ttl = ctx.cfg.cache_repo_ttl;
48 } 198 }
49 return 1; 199 return 1;
50} 200}
51 201
52struct refmatch { 202struct refmatch {
53 char *req_ref; 203 char *req_ref;
54 char *first_ref; 204 char *first_ref;
55 int match; 205 int match;
56}; 206};
57 207
58int find_current_ref(const char *refname, const unsigned char *sha1, 208int find_current_ref(const char *refname, const unsigned char *sha1,
59 int flags, void *cb_data) 209 int flags, void *cb_data)
60{ 210{
61 struct refmatch *info; 211 struct refmatch *info;
62 212
63 info = (struct refmatch *)cb_data; 213 info = (struct refmatch *)cb_data;
64 if (!strcmp(refname, info->req_ref)) 214 if (!strcmp(refname, info->req_ref))
65 info->match = 1; 215 info->match = 1;
66 if (!info->first_ref) 216 if (!info->first_ref)
67 info->first_ref = xstrdup(refname); 217 info->first_ref = xstrdup(refname);
68 return info->match; 218 return info->match;
69} 219}
70 220
71char *find_default_branch(struct cgit_repo *repo) 221char *find_default_branch(struct cgit_repo *repo)
72{ 222{
73 struct refmatch info; 223 struct refmatch info;
74 224
75 info.req_ref = repo->defbranch; 225 info.req_ref = repo->defbranch;
76 info.first_ref = NULL; 226 info.first_ref = NULL;
77 info.match = 0; 227 info.match = 0;
78 for_each_branch_ref(find_current_ref, &info); 228 for_each_branch_ref(find_current_ref, &info);
79 if (info.match) 229 if (info.match)
80 return info.req_ref; 230 return info.req_ref;
81 else 231 else
82 return info.first_ref; 232 return info.first_ref;
83} 233}
84 234
85static int prepare_repo_cmd(struct cgit_context *ctx) 235static int prepare_repo_cmd(struct cgit_context *ctx)
86{ 236{
87 char *tmp; 237 char *tmp;
88 unsigned char sha1[20]; 238 unsigned char sha1[20];
89 int nongit = 0; 239 int nongit = 0;
90 240
91 setenv("GIT_DIR", ctx->repo->path, 1); 241 setenv("GIT_DIR", ctx->repo->path, 1);
92 setup_git_directory_gently(&nongit); 242 setup_git_directory_gently(&nongit);
93 if (nongit) { 243 if (nongit) {
94 ctx->page.title = fmt("%s - %s", ctx->cfg.root_title, 244 ctx->page.title = fmt("%s - %s", ctx->cfg.root_title,
95 "config error"); 245 "config error");
96 tmp = fmt("Not a git repository: '%s'", ctx->repo->path); 246 tmp = fmt("Not a git repository: '%s'", ctx->repo->path);
97 ctx->repo = NULL; 247 ctx->repo = NULL;
98 cgit_print_http_headers(ctx); 248 cgit_print_http_headers(ctx);
99 cgit_print_docstart(ctx); 249 cgit_print_docstart(ctx);
100 cgit_print_pageheader(ctx); 250 cgit_print_pageheader(ctx);
101 cgit_print_error(tmp); 251 cgit_print_error(tmp);
102 cgit_print_docend(); 252 cgit_print_docend();
103 return 1; 253 return 1;
104 } 254 }
105 ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc); 255 ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc);
106 256
107 if (!ctx->qry.head) { 257 if (!ctx->qry.head) {
108 ctx->qry.head = xstrdup(find_default_branch(ctx->repo)); 258 ctx->qry.head = xstrdup(find_default_branch(ctx->repo));
@@ -184,120 +334,120 @@ static void cgit_fill_cache(struct cacheitem *item, int use_cache)
184 ctx.page.modified = time(NULL); 334 ctx.page.modified = time(NULL);
185 ctx.page.expires = ctx.page.modified + ttl_seconds(item->ttl); 335 ctx.page.expires = ctx.page.modified + ttl_seconds(item->ttl);
186 process_request(&ctx); 336 process_request(&ctx);
187 337
188 if (use_cache) { 338 if (use_cache) {
189 chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT"); 339 chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT");
190 chk_positive(dup2(stdout2, STDOUT_FILENO), 340 chk_positive(dup2(stdout2, STDOUT_FILENO),
191 "Restoring original STDOUT"); 341 "Restoring original STDOUT");
192 chk_zero(close(stdout2), "Closing temporary STDOUT"); 342 chk_zero(close(stdout2), "Closing temporary STDOUT");
193 } 343 }
194} 344}
195 345
196static void cgit_check_cache(struct cacheitem *item) 346static void cgit_check_cache(struct cacheitem *item)
197{ 347{
198 int i = 0; 348 int i = 0;
199 349
200 top: 350 top:
201 if (++i > ctx.cfg.max_lock_attempts) { 351 if (++i > ctx.cfg.max_lock_attempts) {
202 die("cgit_refresh_cache: unable to lock %s: %s", 352 die("cgit_refresh_cache: unable to lock %s: %s",
203 item->name, strerror(errno)); 353 item->name, strerror(errno));
204 } 354 }
205 if (!cache_exist(item)) { 355 if (!cache_exist(item)) {
206 if (!cache_lock(item)) { 356 if (!cache_lock(item)) {
207 sleep(1); 357 sleep(1);
208 goto top; 358 goto top;
209 } 359 }
210 if (!cache_exist(item)) { 360 if (!cache_exist(item)) {
211 cgit_fill_cache(item, 1); 361 cgit_fill_cache(item, 1);
212 cache_unlock(item); 362 cache_unlock(item);
213 } else { 363 } else {
214 cache_cancel_lock(item); 364 cache_cancel_lock(item);
215 } 365 }
216 } else if (cache_expired(item) && cache_lock(item)) { 366 } else if (cache_expired(item) && cache_lock(item)) {
217 if (cache_expired(item)) { 367 if (cache_expired(item)) {
218 cgit_fill_cache(item, 1); 368 cgit_fill_cache(item, 1);
219 cache_unlock(item); 369 cache_unlock(item);
220 } else { 370 } else {
221 cache_cancel_lock(item); 371 cache_cancel_lock(item);
222 } 372 }
223 } 373 }
224} 374}
225 375
226static void cgit_print_cache(struct cacheitem *item) 376static void cgit_print_cache(struct cacheitem *item)
227{ 377{
228 static char buf[4096]; 378 static char buf[4096];
229 ssize_t i; 379 ssize_t i;
230 380
231 int fd = open(item->name, O_RDONLY); 381 int fd = open(item->name, O_RDONLY);
232 if (fd<0) 382 if (fd<0)
233 die("Unable to open cached file %s", item->name); 383 die("Unable to open cached file %s", item->name);
234 384
235 while((i=read(fd, buf, sizeof(buf))) > 0) 385 while((i=read(fd, buf, sizeof(buf))) > 0)
236 write(STDOUT_FILENO, buf, i); 386 write(STDOUT_FILENO, buf, i);
237 387
238 close(fd); 388 close(fd);
239} 389}
240 390
241static void cgit_parse_args(int argc, const char **argv) 391static void cgit_parse_args(int argc, const char **argv)
242{ 392{
243 int i; 393 int i;
244 394
245 for (i = 1; i < argc; i++) { 395 for (i = 1; i < argc; i++) {
246 if (!strncmp(argv[i], "--cache=", 8)) { 396 if (!strncmp(argv[i], "--cache=", 8)) {
247 ctx.cfg.cache_root = xstrdup(argv[i]+8); 397 ctx.cfg.cache_root = xstrdup(argv[i]+8);
248 } 398 }
249 if (!strcmp(argv[i], "--nocache")) { 399 if (!strcmp(argv[i], "--nocache")) {
250 ctx.cfg.nocache = 1; 400 ctx.cfg.nocache = 1;
251 } 401 }
252 if (!strncmp(argv[i], "--query=", 8)) { 402 if (!strncmp(argv[i], "--query=", 8)) {
253 ctx.qry.raw = xstrdup(argv[i]+8); 403 ctx.qry.raw = xstrdup(argv[i]+8);
254 } 404 }
255 if (!strncmp(argv[i], "--repo=", 7)) { 405 if (!strncmp(argv[i], "--repo=", 7)) {
256 ctx.qry.repo = xstrdup(argv[i]+7); 406 ctx.qry.repo = xstrdup(argv[i]+7);
257 } 407 }
258 if (!strncmp(argv[i], "--page=", 7)) { 408 if (!strncmp(argv[i], "--page=", 7)) {
259 ctx.qry.page = xstrdup(argv[i]+7); 409 ctx.qry.page = xstrdup(argv[i]+7);
260 } 410 }
261 if (!strncmp(argv[i], "--head=", 7)) { 411 if (!strncmp(argv[i], "--head=", 7)) {
262 ctx.qry.head = xstrdup(argv[i]+7); 412 ctx.qry.head = xstrdup(argv[i]+7);
263 ctx.qry.has_symref = 1; 413 ctx.qry.has_symref = 1;
264 } 414 }
265 if (!strncmp(argv[i], "--sha1=", 7)) { 415 if (!strncmp(argv[i], "--sha1=", 7)) {
266 ctx.qry.sha1 = xstrdup(argv[i]+7); 416 ctx.qry.sha1 = xstrdup(argv[i]+7);
267 ctx.qry.has_sha1 = 1; 417 ctx.qry.has_sha1 = 1;
268 } 418 }
269 if (!strncmp(argv[i], "--ofs=", 6)) { 419 if (!strncmp(argv[i], "--ofs=", 6)) {
270 ctx.qry.ofs = atoi(argv[i]+6); 420 ctx.qry.ofs = atoi(argv[i]+6);
271 } 421 }
272 } 422 }
273} 423}
274 424
275int main(int argc, const char **argv) 425int main(int argc, const char **argv)
276{ 426{
277 struct cacheitem item; 427 struct cacheitem item;
278 const char *cgit_config_env = getenv("CGIT_CONFIG"); 428 const char *cgit_config_env = getenv("CGIT_CONFIG");
279 429
280 cgit_prepare_context(&ctx); 430 prepare_context(&ctx);
281 item.st.st_mtime = time(NULL); 431 item.st.st_mtime = time(NULL);
282 cgit_repolist.length = 0; 432 cgit_repolist.length = 0;
283 cgit_repolist.count = 0; 433 cgit_repolist.count = 0;
284 cgit_repolist.repos = NULL; 434 cgit_repolist.repos = NULL;
285 435
286 cgit_read_config(cgit_config_env ? cgit_config_env : CGIT_CONFIG, 436 cgit_read_config(cgit_config_env ? cgit_config_env : CGIT_CONFIG,
287 cgit_global_config_cb); 437 config_cb);
288 if (getenv("SCRIPT_NAME")) 438 if (getenv("SCRIPT_NAME"))
289 ctx.cfg.script_name = xstrdup(getenv("SCRIPT_NAME")); 439 ctx.cfg.script_name = xstrdup(getenv("SCRIPT_NAME"));
290 if (getenv("QUERY_STRING")) 440 if (getenv("QUERY_STRING"))
291 ctx.qry.raw = xstrdup(getenv("QUERY_STRING")); 441 ctx.qry.raw = xstrdup(getenv("QUERY_STRING"));
292 cgit_parse_args(argc, argv); 442 cgit_parse_args(argc, argv);
293 cgit_parse_query(ctx.qry.raw, cgit_querystring_cb); 443 cgit_parse_query(ctx.qry.raw, querystring_cb);
294 if (!cgit_prepare_cache(&item)) 444 if (!cgit_prepare_cache(&item))
295 return 0; 445 return 0;
296 if (ctx.cfg.nocache) { 446 if (ctx.cfg.nocache) {
297 cgit_fill_cache(&item, 0); 447 cgit_fill_cache(&item, 0);
298 } else { 448 } else {
299 cgit_check_cache(&item); 449 cgit_check_cache(&item);
300 cgit_print_cache(&item); 450 cgit_print_cache(&item);
301 } 451 }
302 return 0; 452 return 0;
303} 453}
diff --git a/cgit.h b/cgit.h
index c1a231d..b58676b 100644
--- a/cgit.h
+++ b/cgit.h
@@ -98,147 +98,145 @@ struct taginfo {
98struct refinfo { 98struct refinfo {
99 const char *refname; 99 const char *refname;
100 struct object *object; 100 struct object *object;
101 union { 101 union {
102 struct taginfo *tag; 102 struct taginfo *tag;
103 struct commitinfo *commit; 103 struct commitinfo *commit;
104 }; 104 };
105}; 105};
106 106
107struct reflist { 107struct reflist {
108 struct refinfo **refs; 108 struct refinfo **refs;
109 int alloc; 109 int alloc;
110 int count; 110 int count;
111}; 111};
112 112
113struct cgit_query { 113struct cgit_query {
114 int has_symref; 114 int has_symref;
115 int has_sha1; 115 int has_sha1;
116 char *raw; 116 char *raw;
117 char *repo; 117 char *repo;
118 char *page; 118 char *page;
119 char *search; 119 char *search;
120 char *grep; 120 char *grep;
121 char *head; 121 char *head;
122 char *sha1; 122 char *sha1;
123 char *sha2; 123 char *sha2;
124 char *path; 124 char *path;
125 char *name; 125 char *name;
126 int ofs; 126 int ofs;
127}; 127};
128 128
129struct cgit_config { 129struct cgit_config {
130 char *agefile; 130 char *agefile;
131 char *cache_root; 131 char *cache_root;
132 char *clone_prefix; 132 char *clone_prefix;
133 char *css; 133 char *css;
134 char *index_header; 134 char *index_header;
135 char *index_info; 135 char *index_info;
136 char *logo; 136 char *logo;
137 char *logo_link; 137 char *logo_link;
138 char *module_link; 138 char *module_link;
139 char *repo_group; 139 char *repo_group;
140 char *robots; 140 char *robots;
141 char *root_title; 141 char *root_title;
142 char *script_name; 142 char *script_name;
143 char *virtual_root; 143 char *virtual_root;
144 int cache_dynamic_ttl; 144 int cache_dynamic_ttl;
145 int cache_max_create_time; 145 int cache_max_create_time;
146 int cache_repo_ttl; 146 int cache_repo_ttl;
147 int cache_root_ttl; 147 int cache_root_ttl;
148 int cache_static_ttl; 148 int cache_static_ttl;
149 int enable_index_links; 149 int enable_index_links;
150 int enable_log_filecount; 150 int enable_log_filecount;
151 int enable_log_linecount; 151 int enable_log_linecount;
152 int max_commit_count; 152 int max_commit_count;
153 int max_lock_attempts; 153 int max_lock_attempts;
154 int max_msg_len; 154 int max_msg_len;
155 int max_repodesc_len; 155 int max_repodesc_len;
156 int nocache; 156 int nocache;
157 int renamelimit; 157 int renamelimit;
158 int snapshots; 158 int snapshots;
159 int summary_branches; 159 int summary_branches;
160 int summary_log; 160 int summary_log;
161 int summary_tags; 161 int summary_tags;
162}; 162};
163 163
164struct cgit_page { 164struct cgit_page {
165 time_t modified; 165 time_t modified;
166 time_t expires; 166 time_t expires;
167 char *mimetype; 167 char *mimetype;
168 char *charset; 168 char *charset;
169 char *filename; 169 char *filename;
170 char *title; 170 char *title;
171}; 171};
172 172
173struct cgit_context { 173struct cgit_context {
174 struct cgit_query qry; 174 struct cgit_query qry;
175 struct cgit_config cfg; 175 struct cgit_config cfg;
176 struct cgit_repo *repo; 176 struct cgit_repo *repo;
177 struct cgit_page page; 177 struct cgit_page page;
178}; 178};
179 179
180struct cgit_snapshot_format { 180struct cgit_snapshot_format {
181 const char *suffix; 181 const char *suffix;
182 const char *mimetype; 182 const char *mimetype;
183 write_archive_fn_t write_func; 183 write_archive_fn_t write_func;
184 int bit; 184 int bit;
185}; 185};
186 186
187extern const char *cgit_version; 187extern const char *cgit_version;
188 188
189extern struct cgit_repolist cgit_repolist; 189extern struct cgit_repolist cgit_repolist;
190extern struct cgit_context ctx; 190extern struct cgit_context ctx;
191extern const struct cgit_snapshot_format cgit_snapshot_formats[]; 191extern const struct cgit_snapshot_format cgit_snapshot_formats[];
192extern int cgit_cmd; 192extern int cgit_cmd;
193 193
194extern void cgit_prepare_context(struct cgit_context *ctx); 194extern struct cgit_repo *cgit_add_repo(const char *url);
195extern struct cgit_repo *cgit_get_repoinfo(const char *url); 195extern struct cgit_repo *cgit_get_repoinfo(const char *url);
196extern void cgit_global_config_cb(const char *name, const char *value);
197extern void cgit_repo_config_cb(const char *name, const char *value); 196extern void cgit_repo_config_cb(const char *name, const char *value);
198extern void cgit_querystring_cb(const char *name, const char *value);
199 197
200extern int chk_zero(int result, char *msg); 198extern int chk_zero(int result, char *msg);
201extern int chk_positive(int result, char *msg); 199extern int chk_positive(int result, char *msg);
202extern int chk_non_negative(int result, char *msg); 200extern int chk_non_negative(int result, char *msg);
203 201
204extern int hextoint(char c); 202extern int hextoint(char c);
205extern char *trim_end(const char *str, char c); 203extern char *trim_end(const char *str, char c);
206extern char *strlpart(char *txt, int maxlen); 204extern char *strlpart(char *txt, int maxlen);
207extern char *strrpart(char *txt, int maxlen); 205extern char *strrpart(char *txt, int maxlen);
208 206
209extern void cgit_add_ref(struct reflist *list, struct refinfo *ref); 207extern void cgit_add_ref(struct reflist *list, struct refinfo *ref);
210extern int cgit_refs_cb(const char *refname, const unsigned char *sha1, 208extern int cgit_refs_cb(const char *refname, const unsigned char *sha1,
211 int flags, void *cb_data); 209 int flags, void *cb_data);
212 210
213extern void *cgit_free_commitinfo(struct commitinfo *info); 211extern void *cgit_free_commitinfo(struct commitinfo *info);
214 212
215extern int cgit_diff_files(const unsigned char *old_sha1, 213extern int cgit_diff_files(const unsigned char *old_sha1,
216 const unsigned char *new_sha1, 214 const unsigned char *new_sha1,
217 linediff_fn fn); 215 linediff_fn fn);
218 216
219extern void cgit_diff_tree(const unsigned char *old_sha1, 217extern void cgit_diff_tree(const unsigned char *old_sha1,
220 const unsigned char *new_sha1, 218 const unsigned char *new_sha1,
221 filepair_fn fn, const char *prefix); 219 filepair_fn fn, const char *prefix);
222 220
223extern void cgit_diff_commit(struct commit *commit, filepair_fn fn); 221extern void cgit_diff_commit(struct commit *commit, filepair_fn fn);
224 222
225extern char *fmt(const char *format,...); 223extern char *fmt(const char *format,...);
226 224
227extern int cgit_read_config(const char *filename, configfn fn); 225extern int cgit_read_config(const char *filename, configfn fn);
228extern int cgit_parse_query(char *txt, configfn fn); 226extern int cgit_parse_query(char *txt, configfn fn);
229extern struct commitinfo *cgit_parse_commit(struct commit *commit); 227extern struct commitinfo *cgit_parse_commit(struct commit *commit);
230extern struct taginfo *cgit_parse_tag(struct tag *tag); 228extern struct taginfo *cgit_parse_tag(struct tag *tag);
231extern void cgit_parse_url(const char *url); 229extern void cgit_parse_url(const char *url);
232 230
233extern char *cache_safe_filename(const char *unsafe); 231extern char *cache_safe_filename(const char *unsafe);
234extern int cache_lock(struct cacheitem *item); 232extern int cache_lock(struct cacheitem *item);
235extern int cache_unlock(struct cacheitem *item); 233extern int cache_unlock(struct cacheitem *item);
236extern int cache_cancel_lock(struct cacheitem *item); 234extern int cache_cancel_lock(struct cacheitem *item);
237extern int cache_exist(struct cacheitem *item); 235extern int cache_exist(struct cacheitem *item);
238extern int cache_expired(struct cacheitem *item); 236extern int cache_expired(struct cacheitem *item);
239 237
240extern const char *cgit_repobasename(const char *reponame); 238extern const char *cgit_repobasename(const char *reponame);
241 239
242extern int cgit_parse_snapshots_mask(const char *str); 240extern int cgit_parse_snapshots_mask(const char *str);
243 241
244#endif /* CGIT_H */ 242#endif /* CGIT_H */
diff --git a/shared.c b/shared.c
index 800c06a..cd60da5 100644
--- a/shared.c
+++ b/shared.c
@@ -1,326 +1,176 @@
1/* shared.c: global vars + some callback functions 1/* shared.c: global vars + some callback functions
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 10
11struct cgit_repolist cgit_repolist; 11struct cgit_repolist cgit_repolist;
12struct cgit_context ctx; 12struct cgit_context ctx;
13int cgit_cmd; 13int cgit_cmd;
14 14
15const char *cgit_version = CGIT_VERSION; 15const char *cgit_version = CGIT_VERSION;
16 16
17void cgit_prepare_context(struct cgit_context *ctx)
18{
19 memset(ctx, 0, sizeof(ctx));
20 ctx->cfg.agefile = "info/web/last-modified";
21 ctx->cfg.cache_dynamic_ttl = 5;
22 ctx->cfg.cache_max_create_time = 5;
23 ctx->cfg.cache_repo_ttl = 5;
24 ctx->cfg.cache_root = CGIT_CACHE_ROOT;
25 ctx->cfg.cache_root_ttl = 5;
26 ctx->cfg.cache_static_ttl = -1;
27 ctx->cfg.css = "/cgit.css";
28 ctx->cfg.logo = "/git-logo.png";
29 ctx->cfg.max_commit_count = 50;
30 ctx->cfg.max_lock_attempts = 5;
31 ctx->cfg.max_msg_len = 60;
32 ctx->cfg.max_repodesc_len = 60;
33 ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
34 ctx->cfg.renamelimit = -1;
35 ctx->cfg.robots = "index, nofollow";
36 ctx->cfg.root_title = "Git repository browser";
37 ctx->cfg.script_name = CGIT_SCRIPT_NAME;
38 ctx->page.mimetype = "text/html";
39 ctx->page.charset = PAGE_ENCODING;
40 ctx->page.filename = NULL;
41}
42
43int chk_zero(int result, char *msg) 17int chk_zero(int result, char *msg)
44{ 18{
45 if (result != 0) 19 if (result != 0)
46 die("%s: %s", msg, strerror(errno)); 20 die("%s: %s", msg, strerror(errno));
47 return result; 21 return result;
48} 22}
49 23
50int chk_positive(int result, char *msg) 24int chk_positive(int result, char *msg)
51{ 25{
52 if (result <= 0) 26 if (result <= 0)
53 die("%s: %s", msg, strerror(errno)); 27 die("%s: %s", msg, strerror(errno));
54 return result; 28 return result;
55} 29}
56 30
57int chk_non_negative(int result, char *msg) 31int chk_non_negative(int result, char *msg)
58{ 32{
59 if (result < 0) 33 if (result < 0)
60 die("%s: %s",msg, strerror(errno)); 34 die("%s: %s",msg, strerror(errno));
61 return result; 35 return result;
62} 36}
63 37
64struct cgit_repo *add_repo(const char *url) 38struct cgit_repo *cgit_add_repo(const char *url)
65{ 39{
66 struct cgit_repo *ret; 40 struct cgit_repo *ret;
67 41
68 if (++cgit_repolist.count > cgit_repolist.length) { 42 if (++cgit_repolist.count > cgit_repolist.length) {
69 if (cgit_repolist.length == 0) 43 if (cgit_repolist.length == 0)
70 cgit_repolist.length = 8; 44 cgit_repolist.length = 8;
71 else 45 else
72 cgit_repolist.length *= 2; 46 cgit_repolist.length *= 2;
73 cgit_repolist.repos = xrealloc(cgit_repolist.repos, 47 cgit_repolist.repos = xrealloc(cgit_repolist.repos,
74 cgit_repolist.length * 48 cgit_repolist.length *
75 sizeof(struct cgit_repo)); 49 sizeof(struct cgit_repo));
76 } 50 }
77 51
78 ret = &cgit_repolist.repos[cgit_repolist.count-1]; 52 ret = &cgit_repolist.repos[cgit_repolist.count-1];
79 ret->url = trim_end(url, '/'); 53 ret->url = trim_end(url, '/');
80 ret->name = ret->url; 54 ret->name = ret->url;
81 ret->path = NULL; 55 ret->path = NULL;
82 ret->desc = "[no description]"; 56 ret->desc = "[no description]";
83 ret->owner = NULL; 57 ret->owner = NULL;
84 ret->group = ctx.cfg.repo_group; 58 ret->group = ctx.cfg.repo_group;
85 ret->defbranch = "master"; 59 ret->defbranch = "master";
86 ret->snapshots = ctx.cfg.snapshots; 60 ret->snapshots = ctx.cfg.snapshots;
87 ret->enable_log_filecount = ctx.cfg.enable_log_filecount; 61 ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
88 ret->enable_log_linecount = ctx.cfg.enable_log_linecount; 62 ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
89 ret->module_link = ctx.cfg.module_link; 63 ret->module_link = ctx.cfg.module_link;
90 ret->readme = NULL; 64 ret->readme = NULL;
91 return ret; 65 return ret;
92} 66}
93 67
94struct cgit_repo *cgit_get_repoinfo(const char *url) 68struct cgit_repo *cgit_get_repoinfo(const char *url)
95{ 69{
96 int i; 70 int i;
97 struct cgit_repo *repo; 71 struct cgit_repo *repo;
98 72
99 for (i=0; i<cgit_repolist.count; i++) { 73 for (i=0; i<cgit_repolist.count; i++) {
100 repo = &cgit_repolist.repos[i]; 74 repo = &cgit_repolist.repos[i];
101 if (!strcmp(repo->url, url)) 75 if (!strcmp(repo->url, url))
102 return repo; 76 return repo;
103 } 77 }
104 return NULL; 78 return NULL;
105} 79}
106 80
107void cgit_global_config_cb(const char *name, const char *value)
108{
109 if (!strcmp(name, "root-title"))
110 ctx.cfg.root_title = xstrdup(value);
111 else if (!strcmp(name, "css"))
112 ctx.cfg.css = xstrdup(value);
113 else if (!strcmp(name, "logo"))
114 ctx.cfg.logo = xstrdup(value);
115 else if (!strcmp(name, "index-header"))
116 ctx.cfg.index_header = xstrdup(value);
117 else if (!strcmp(name, "index-info"))
118 ctx.cfg.index_info = xstrdup(value);
119 else if (!strcmp(name, "logo-link"))
120 ctx.cfg.logo_link = xstrdup(value);
121 else if (!strcmp(name, "module-link"))
122 ctx.cfg.module_link = xstrdup(value);
123 else if (!strcmp(name, "virtual-root")) {
124 ctx.cfg.virtual_root = trim_end(value, '/');
125 if (!ctx.cfg.virtual_root && (!strcmp(value, "/")))
126 ctx.cfg.virtual_root = "";
127 } else if (!strcmp(name, "nocache"))
128 ctx.cfg.nocache = atoi(value);
129 else if (!strcmp(name, "snapshots"))
130 ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
131 else if (!strcmp(name, "enable-index-links"))
132 ctx.cfg.enable_index_links = atoi(value);
133 else if (!strcmp(name, "enable-log-filecount"))
134 ctx.cfg.enable_log_filecount = atoi(value);
135 else if (!strcmp(name, "enable-log-linecount"))
136 ctx.cfg.enable_log_linecount = atoi(value);
137 else if (!strcmp(name, "cache-root"))
138 ctx.cfg.cache_root = xstrdup(value);
139 else if (!strcmp(name, "cache-root-ttl"))
140 ctx.cfg.cache_root_ttl = atoi(value);
141 else if (!strcmp(name, "cache-repo-ttl"))
142 ctx.cfg.cache_repo_ttl = atoi(value);
143 else if (!strcmp(name, "cache-static-ttl"))
144 ctx.cfg.cache_static_ttl = atoi(value);
145 else if (!strcmp(name, "cache-dynamic-ttl"))
146 ctx.cfg.cache_dynamic_ttl = atoi(value);
147 else if (!strcmp(name, "max-message-length"))
148 ctx.cfg.max_msg_len = atoi(value);
149 else if (!strcmp(name, "max-repodesc-length"))
150 ctx.cfg.max_repodesc_len = atoi(value);
151 else if (!strcmp(name, "max-commit-count"))
152 ctx.cfg.max_commit_count = atoi(value);
153 else if (!strcmp(name, "summary-log"))
154 ctx.cfg.summary_log = atoi(value);
155 else if (!strcmp(name, "summary-branches"))
156 ctx.cfg.summary_branches = atoi(value);
157 else if (!strcmp(name, "summary-tags"))
158 ctx.cfg.summary_tags = atoi(value);
159 else if (!strcmp(name, "agefile"))
160 ctx.cfg.agefile = xstrdup(value);
161 else if (!strcmp(name, "renamelimit"))
162 ctx.cfg.renamelimit = atoi(value);
163 else if (!strcmp(name, "robots"))
164 ctx.cfg.robots = xstrdup(value);
165 else if (!strcmp(name, "clone-prefix"))
166 ctx.cfg.clone_prefix = xstrdup(value);
167 else if (!strcmp(name, "repo.group"))
168 ctx.cfg.repo_group = xstrdup(value);
169 else if (!strcmp(name, "repo.url"))
170 ctx.repo = add_repo(value);
171 else if (!strcmp(name, "repo.name"))
172 ctx.repo->name = xstrdup(value);
173 else if (ctx.repo && !strcmp(name, "repo.path"))
174 ctx.repo->path = trim_end(value, '/');
175 else if (ctx.repo && !strcmp(name, "repo.clone-url"))
176 ctx.repo->clone_url = xstrdup(value);
177 else if (ctx.repo && !strcmp(name, "repo.desc"))
178 ctx.repo->desc = xstrdup(value);
179 else if (ctx.repo && !strcmp(name, "repo.owner"))
180 ctx.repo->owner = xstrdup(value);
181 else if (ctx.repo && !strcmp(name, "repo.defbranch"))
182 ctx.repo->defbranch = xstrdup(value);
183 else if (ctx.repo && !strcmp(name, "repo.snapshots"))
184 ctx.repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value); /* XXX: &? */
185 else if (ctx.repo && !strcmp(name, "repo.enable-log-filecount"))
186 ctx.repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
187 else if (ctx.repo && !strcmp(name, "repo.enable-log-linecount"))
188 ctx.repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
189 else if (ctx.repo && !strcmp(name, "repo.module-link"))
190 ctx.repo->module_link= xstrdup(value);
191 else if (ctx.repo && !strcmp(name, "repo.readme") && value != NULL) {
192 if (*value == '/')
193 ctx.repo->readme = xstrdup(value);
194 else
195 ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value));
196 } else if (!strcmp(name, "include"))
197 cgit_read_config(value, cgit_global_config_cb);
198}
199
200void cgit_querystring_cb(const char *name, const char *value)
201{
202 if (!strcmp(name,"r")) {
203 ctx.qry.repo = xstrdup(value);
204 ctx.repo = cgit_get_repoinfo(value);
205 } else if (!strcmp(name, "p")) {
206 ctx.qry.page = xstrdup(value);
207 } else if (!strcmp(name, "url")) {
208 cgit_parse_url(value);
209 } else if (!strcmp(name, "qt")) {
210 ctx.qry.grep = xstrdup(value);
211 } else if (!strcmp(name, "q")) {
212 ctx.qry.search = xstrdup(value);
213 } else if (!strcmp(name, "h")) {
214 ctx.qry.head = xstrdup(value);
215 ctx.qry.has_symref = 1;
216 } else if (!strcmp(name, "id")) {
217 ctx.qry.sha1 = xstrdup(value);
218 ctx.qry.has_sha1 = 1;
219 } else if (!strcmp(name, "id2")) {
220 ctx.qry.sha2 = xstrdup(value);
221 ctx.qry.has_sha1 = 1;
222 } else if (!strcmp(name, "ofs")) {
223 ctx.qry.ofs = atoi(value);
224 } else if (!strcmp(name, "path")) {
225 ctx.qry.path = trim_end(value, '/');
226 } else if (!strcmp(name, "name")) {
227 ctx.qry.name = xstrdup(value);
228 }
229}
230
231void *cgit_free_commitinfo(struct commitinfo *info) 81void *cgit_free_commitinfo(struct commitinfo *info)
232{ 82{
233 free(info->author); 83 free(info->author);
234 free(info->author_email); 84 free(info->author_email);
235 free(info->committer); 85 free(info->committer);
236 free(info->committer_email); 86 free(info->committer_email);
237 free(info->subject); 87 free(info->subject);
238 free(info->msg); 88 free(info->msg);
239 free(info->msg_encoding); 89 free(info->msg_encoding);
240 free(info); 90 free(info);
241 return NULL; 91 return NULL;
242} 92}
243 93
244int hextoint(char c) 94int hextoint(char c)
245{ 95{
246 if (c >= 'a' && c <= 'f') 96 if (c >= 'a' && c <= 'f')
247 return 10 + c - 'a'; 97 return 10 + c - 'a';
248 else if (c >= 'A' && c <= 'F') 98 else if (c >= 'A' && c <= 'F')
249 return 10 + c - 'A'; 99 return 10 + c - 'A';
250 else if (c >= '0' && c <= '9') 100 else if (c >= '0' && c <= '9')
251 return c - '0'; 101 return c - '0';
252 else 102 else
253 return -1; 103 return -1;
254} 104}
255 105
256char *trim_end(const char *str, char c) 106char *trim_end(const char *str, char c)
257{ 107{
258 int len; 108 int len;
259 char *s, *t; 109 char *s, *t;
260 110
261 if (str == NULL) 111 if (str == NULL)
262 return NULL; 112 return NULL;
263 t = (char *)str; 113 t = (char *)str;
264 len = strlen(t); 114 len = strlen(t);
265 while(len > 0 && t[len - 1] == c) 115 while(len > 0 && t[len - 1] == c)
266 len--; 116 len--;
267 117
268 if (len == 0) 118 if (len == 0)
269 return NULL; 119 return NULL;
270 120
271 c = t[len]; 121 c = t[len];
272 t[len] = '\0'; 122 t[len] = '\0';
273 s = xstrdup(t); 123 s = xstrdup(t);
274 t[len] = c; 124 t[len] = c;
275 return s; 125 return s;
276} 126}
277 127
278char *strlpart(char *txt, int maxlen) 128char *strlpart(char *txt, int maxlen)
279{ 129{
280 char *result; 130 char *result;
281 131
282 if (!txt) 132 if (!txt)
283 return txt; 133 return txt;
284 134
285 if (strlen(txt) <= maxlen) 135 if (strlen(txt) <= maxlen)
286 return txt; 136 return txt;
287 result = xmalloc(maxlen + 1); 137 result = xmalloc(maxlen + 1);
288 memcpy(result, txt, maxlen - 3); 138 memcpy(result, txt, maxlen - 3);
289 result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.'; 139 result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.';
290 result[maxlen] = '\0'; 140 result[maxlen] = '\0';
291 return result; 141 return result;
292} 142}
293 143
294char *strrpart(char *txt, int maxlen) 144char *strrpart(char *txt, int maxlen)
295{ 145{
296 char *result; 146 char *result;
297 147
298 if (!txt) 148 if (!txt)
299 return txt; 149 return txt;
300 150
301 if (strlen(txt) <= maxlen) 151 if (strlen(txt) <= maxlen)
302 return txt; 152 return txt;
303 result = xmalloc(maxlen + 1); 153 result = xmalloc(maxlen + 1);
304 memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3); 154 memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3);
305 result[0] = result[1] = result[2] = '.'; 155 result[0] = result[1] = result[2] = '.';
306 return result; 156 return result;
307} 157}
308 158
309void cgit_add_ref(struct reflist *list, struct refinfo *ref) 159void cgit_add_ref(struct reflist *list, struct refinfo *ref)
310{ 160{
311 size_t size; 161 size_t size;
312 162
313 if (list->count >= list->alloc) { 163 if (list->count >= list->alloc) {
314 list->alloc += (list->alloc ? list->alloc : 4); 164 list->alloc += (list->alloc ? list->alloc : 4);
315 size = list->alloc * sizeof(struct refinfo *); 165 size = list->alloc * sizeof(struct refinfo *);
316 list->refs = xrealloc(list->refs, size); 166 list->refs = xrealloc(list->refs, size);
317 } 167 }
318 list->refs[list->count++] = ref; 168 list->refs[list->count++] = ref;
319} 169}
320 170
321struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1) 171struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1)
322{ 172{
323 struct refinfo *ref; 173 struct refinfo *ref;
324 174
325 ref = xmalloc(sizeof (struct refinfo)); 175 ref = xmalloc(sizeof (struct refinfo));
326 ref->refname = xstrdup(refname); 176 ref->refname = xstrdup(refname);