summaryrefslogtreecommitdiffabout
path: root/shared.c
Unidiff
Diffstat (limited to 'shared.c') (more/less context) (ignore whitespace changes)
-rw-r--r--shared.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/shared.c b/shared.c
index 808e674..76e10d0 100644
--- a/shared.c
+++ b/shared.c
@@ -1,402 +1,400 @@
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
17int htmlfd = 0;
18
19void cgit_prepare_context(struct cgit_context *ctx) 17void cgit_prepare_context(struct cgit_context *ctx)
20{ 18{
21 memset(ctx, 0, sizeof(ctx)); 19 memset(ctx, 0, sizeof(ctx));
22 ctx->cfg.agefile = "info/web/last-modified"; 20 ctx->cfg.agefile = "info/web/last-modified";
23 ctx->cfg.cache_dynamic_ttl = 5; 21 ctx->cfg.cache_dynamic_ttl = 5;
24 ctx->cfg.cache_max_create_time = 5; 22 ctx->cfg.cache_max_create_time = 5;
25 ctx->cfg.cache_repo_ttl = 5; 23 ctx->cfg.cache_repo_ttl = 5;
26 ctx->cfg.cache_root = CGIT_CACHE_ROOT; 24 ctx->cfg.cache_root = CGIT_CACHE_ROOT;
27 ctx->cfg.cache_root_ttl = 5; 25 ctx->cfg.cache_root_ttl = 5;
28 ctx->cfg.cache_static_ttl = -1; 26 ctx->cfg.cache_static_ttl = -1;
29 ctx->cfg.css = "/cgit.css"; 27 ctx->cfg.css = "/cgit.css";
30 ctx->cfg.logo = "/git-logo.png"; 28 ctx->cfg.logo = "/git-logo.png";
31 ctx->cfg.max_commit_count = 50; 29 ctx->cfg.max_commit_count = 50;
32 ctx->cfg.max_lock_attempts = 5; 30 ctx->cfg.max_lock_attempts = 5;
33 ctx->cfg.max_msg_len = 60; 31 ctx->cfg.max_msg_len = 60;
34 ctx->cfg.max_repodesc_len = 60; 32 ctx->cfg.max_repodesc_len = 60;
35 ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s"; 33 ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
36 ctx->cfg.renamelimit = -1; 34 ctx->cfg.renamelimit = -1;
37 ctx->cfg.robots = "index, nofollow"; 35 ctx->cfg.robots = "index, nofollow";
38 ctx->cfg.root_title = "Git repository browser"; 36 ctx->cfg.root_title = "Git repository browser";
39 ctx->cfg.script_name = CGIT_SCRIPT_NAME; 37 ctx->cfg.script_name = CGIT_SCRIPT_NAME;
40} 38}
41 39
42int cgit_get_cmd_index(const char *cmd) 40int cgit_get_cmd_index(const char *cmd)
43{ 41{
44 static char *cmds[] = {"log", "commit", "diff", "tree", "blob", 42 static char *cmds[] = {"log", "commit", "diff", "tree", "blob",
45 "snapshot", "tag", "refs", "patch", NULL}; 43 "snapshot", "tag", "refs", "patch", NULL};
46 int i; 44 int i;
47 45
48 for(i = 0; cmds[i]; i++) 46 for(i = 0; cmds[i]; i++)
49 if (!strcmp(cmd, cmds[i])) 47 if (!strcmp(cmd, cmds[i]))
50 return i + 1; 48 return i + 1;
51 return 0; 49 return 0;
52} 50}
53 51
54int chk_zero(int result, char *msg) 52int chk_zero(int result, char *msg)
55{ 53{
56 if (result != 0) 54 if (result != 0)
57 die("%s: %s", msg, strerror(errno)); 55 die("%s: %s", msg, strerror(errno));
58 return result; 56 return result;
59} 57}
60 58
61int chk_positive(int result, char *msg) 59int chk_positive(int result, char *msg)
62{ 60{
63 if (result <= 0) 61 if (result <= 0)
64 die("%s: %s", msg, strerror(errno)); 62 die("%s: %s", msg, strerror(errno));
65 return result; 63 return result;
66} 64}
67 65
68int chk_non_negative(int result, char *msg) 66int chk_non_negative(int result, char *msg)
69{ 67{
70 if (result < 0) 68 if (result < 0)
71 die("%s: %s",msg, strerror(errno)); 69 die("%s: %s",msg, strerror(errno));
72 return result; 70 return result;
73} 71}
74 72
75struct cgit_repo *add_repo(const char *url) 73struct cgit_repo *add_repo(const char *url)
76{ 74{
77 struct cgit_repo *ret; 75 struct cgit_repo *ret;
78 76
79 if (++cgit_repolist.count > cgit_repolist.length) { 77 if (++cgit_repolist.count > cgit_repolist.length) {
80 if (cgit_repolist.length == 0) 78 if (cgit_repolist.length == 0)
81 cgit_repolist.length = 8; 79 cgit_repolist.length = 8;
82 else 80 else
83 cgit_repolist.length *= 2; 81 cgit_repolist.length *= 2;
84 cgit_repolist.repos = xrealloc(cgit_repolist.repos, 82 cgit_repolist.repos = xrealloc(cgit_repolist.repos,
85 cgit_repolist.length * 83 cgit_repolist.length *
86 sizeof(struct cgit_repo)); 84 sizeof(struct cgit_repo));
87 } 85 }
88 86
89 ret = &cgit_repolist.repos[cgit_repolist.count-1]; 87 ret = &cgit_repolist.repos[cgit_repolist.count-1];
90 ret->url = trim_end(url, '/'); 88 ret->url = trim_end(url, '/');
91 ret->name = ret->url; 89 ret->name = ret->url;
92 ret->path = NULL; 90 ret->path = NULL;
93 ret->desc = "[no description]"; 91 ret->desc = "[no description]";
94 ret->owner = NULL; 92 ret->owner = NULL;
95 ret->group = ctx.cfg.repo_group; 93 ret->group = ctx.cfg.repo_group;
96 ret->defbranch = "master"; 94 ret->defbranch = "master";
97 ret->snapshots = ctx.cfg.snapshots; 95 ret->snapshots = ctx.cfg.snapshots;
98 ret->enable_log_filecount = ctx.cfg.enable_log_filecount; 96 ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
99 ret->enable_log_linecount = ctx.cfg.enable_log_linecount; 97 ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
100 ret->module_link = ctx.cfg.module_link; 98 ret->module_link = ctx.cfg.module_link;
101 ret->readme = NULL; 99 ret->readme = NULL;
102 return ret; 100 return ret;
103} 101}
104 102
105struct cgit_repo *cgit_get_repoinfo(const char *url) 103struct cgit_repo *cgit_get_repoinfo(const char *url)
106{ 104{
107 int i; 105 int i;
108 struct cgit_repo *repo; 106 struct cgit_repo *repo;
109 107
110 for (i=0; i<cgit_repolist.count; i++) { 108 for (i=0; i<cgit_repolist.count; i++) {
111 repo = &cgit_repolist.repos[i]; 109 repo = &cgit_repolist.repos[i];
112 if (!strcmp(repo->url, url)) 110 if (!strcmp(repo->url, url))
113 return repo; 111 return repo;
114 } 112 }
115 return NULL; 113 return NULL;
116} 114}
117 115
118void cgit_global_config_cb(const char *name, const char *value) 116void cgit_global_config_cb(const char *name, const char *value)
119{ 117{
120 if (!strcmp(name, "root-title")) 118 if (!strcmp(name, "root-title"))
121 ctx.cfg.root_title = xstrdup(value); 119 ctx.cfg.root_title = xstrdup(value);
122 else if (!strcmp(name, "css")) 120 else if (!strcmp(name, "css"))
123 ctx.cfg.css = xstrdup(value); 121 ctx.cfg.css = xstrdup(value);
124 else if (!strcmp(name, "logo")) 122 else if (!strcmp(name, "logo"))
125 ctx.cfg.logo = xstrdup(value); 123 ctx.cfg.logo = xstrdup(value);
126 else if (!strcmp(name, "index-header")) 124 else if (!strcmp(name, "index-header"))
127 ctx.cfg.index_header = xstrdup(value); 125 ctx.cfg.index_header = xstrdup(value);
128 else if (!strcmp(name, "index-info")) 126 else if (!strcmp(name, "index-info"))
129 ctx.cfg.index_info = xstrdup(value); 127 ctx.cfg.index_info = xstrdup(value);
130 else if (!strcmp(name, "logo-link")) 128 else if (!strcmp(name, "logo-link"))
131 ctx.cfg.logo_link = xstrdup(value); 129 ctx.cfg.logo_link = xstrdup(value);
132 else if (!strcmp(name, "module-link")) 130 else if (!strcmp(name, "module-link"))
133 ctx.cfg.module_link = xstrdup(value); 131 ctx.cfg.module_link = xstrdup(value);
134 else if (!strcmp(name, "virtual-root")) { 132 else if (!strcmp(name, "virtual-root")) {
135 ctx.cfg.virtual_root = trim_end(value, '/'); 133 ctx.cfg.virtual_root = trim_end(value, '/');
136 if (!ctx.cfg.virtual_root && (!strcmp(value, "/"))) 134 if (!ctx.cfg.virtual_root && (!strcmp(value, "/")))
137 ctx.cfg.virtual_root = ""; 135 ctx.cfg.virtual_root = "";
138 } else if (!strcmp(name, "nocache")) 136 } else if (!strcmp(name, "nocache"))
139 ctx.cfg.nocache = atoi(value); 137 ctx.cfg.nocache = atoi(value);
140 else if (!strcmp(name, "snapshots")) 138 else if (!strcmp(name, "snapshots"))
141 ctx.cfg.snapshots = cgit_parse_snapshots_mask(value); 139 ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
142 else if (!strcmp(name, "enable-index-links")) 140 else if (!strcmp(name, "enable-index-links"))
143 ctx.cfg.enable_index_links = atoi(value); 141 ctx.cfg.enable_index_links = atoi(value);
144 else if (!strcmp(name, "enable-log-filecount")) 142 else if (!strcmp(name, "enable-log-filecount"))
145 ctx.cfg.enable_log_filecount = atoi(value); 143 ctx.cfg.enable_log_filecount = atoi(value);
146 else if (!strcmp(name, "enable-log-linecount")) 144 else if (!strcmp(name, "enable-log-linecount"))
147 ctx.cfg.enable_log_linecount = atoi(value); 145 ctx.cfg.enable_log_linecount = atoi(value);
148 else if (!strcmp(name, "cache-root")) 146 else if (!strcmp(name, "cache-root"))
149 ctx.cfg.cache_root = xstrdup(value); 147 ctx.cfg.cache_root = xstrdup(value);
150 else if (!strcmp(name, "cache-root-ttl")) 148 else if (!strcmp(name, "cache-root-ttl"))
151 ctx.cfg.cache_root_ttl = atoi(value); 149 ctx.cfg.cache_root_ttl = atoi(value);
152 else if (!strcmp(name, "cache-repo-ttl")) 150 else if (!strcmp(name, "cache-repo-ttl"))
153 ctx.cfg.cache_repo_ttl = atoi(value); 151 ctx.cfg.cache_repo_ttl = atoi(value);
154 else if (!strcmp(name, "cache-static-ttl")) 152 else if (!strcmp(name, "cache-static-ttl"))
155 ctx.cfg.cache_static_ttl = atoi(value); 153 ctx.cfg.cache_static_ttl = atoi(value);
156 else if (!strcmp(name, "cache-dynamic-ttl")) 154 else if (!strcmp(name, "cache-dynamic-ttl"))
157 ctx.cfg.cache_dynamic_ttl = atoi(value); 155 ctx.cfg.cache_dynamic_ttl = atoi(value);
158 else if (!strcmp(name, "max-message-length")) 156 else if (!strcmp(name, "max-message-length"))
159 ctx.cfg.max_msg_len = atoi(value); 157 ctx.cfg.max_msg_len = atoi(value);
160 else if (!strcmp(name, "max-repodesc-length")) 158 else if (!strcmp(name, "max-repodesc-length"))
161 ctx.cfg.max_repodesc_len = atoi(value); 159 ctx.cfg.max_repodesc_len = atoi(value);
162 else if (!strcmp(name, "max-commit-count")) 160 else if (!strcmp(name, "max-commit-count"))
163 ctx.cfg.max_commit_count = atoi(value); 161 ctx.cfg.max_commit_count = atoi(value);
164 else if (!strcmp(name, "summary-log")) 162 else if (!strcmp(name, "summary-log"))
165 ctx.cfg.summary_log = atoi(value); 163 ctx.cfg.summary_log = atoi(value);
166 else if (!strcmp(name, "summary-branches")) 164 else if (!strcmp(name, "summary-branches"))
167 ctx.cfg.summary_branches = atoi(value); 165 ctx.cfg.summary_branches = atoi(value);
168 else if (!strcmp(name, "summary-tags")) 166 else if (!strcmp(name, "summary-tags"))
169 ctx.cfg.summary_tags = atoi(value); 167 ctx.cfg.summary_tags = atoi(value);
170 else if (!strcmp(name, "agefile")) 168 else if (!strcmp(name, "agefile"))
171 ctx.cfg.agefile = xstrdup(value); 169 ctx.cfg.agefile = xstrdup(value);
172 else if (!strcmp(name, "renamelimit")) 170 else if (!strcmp(name, "renamelimit"))
173 ctx.cfg.renamelimit = atoi(value); 171 ctx.cfg.renamelimit = atoi(value);
174 else if (!strcmp(name, "robots")) 172 else if (!strcmp(name, "robots"))
175 ctx.cfg.robots = xstrdup(value); 173 ctx.cfg.robots = xstrdup(value);
176 else if (!strcmp(name, "clone-prefix")) 174 else if (!strcmp(name, "clone-prefix"))
177 ctx.cfg.clone_prefix = xstrdup(value); 175 ctx.cfg.clone_prefix = xstrdup(value);
178 else if (!strcmp(name, "repo.group")) 176 else if (!strcmp(name, "repo.group"))
179 ctx.cfg.repo_group = xstrdup(value); 177 ctx.cfg.repo_group = xstrdup(value);
180 else if (!strcmp(name, "repo.url")) 178 else if (!strcmp(name, "repo.url"))
181 ctx.repo = add_repo(value); 179 ctx.repo = add_repo(value);
182 else if (!strcmp(name, "repo.name")) 180 else if (!strcmp(name, "repo.name"))
183 ctx.repo->name = xstrdup(value); 181 ctx.repo->name = xstrdup(value);
184 else if (ctx.repo && !strcmp(name, "repo.path")) 182 else if (ctx.repo && !strcmp(name, "repo.path"))
185 ctx.repo->path = trim_end(value, '/'); 183 ctx.repo->path = trim_end(value, '/');
186 else if (ctx.repo && !strcmp(name, "repo.clone-url")) 184 else if (ctx.repo && !strcmp(name, "repo.clone-url"))
187 ctx.repo->clone_url = xstrdup(value); 185 ctx.repo->clone_url = xstrdup(value);
188 else if (ctx.repo && !strcmp(name, "repo.desc")) 186 else if (ctx.repo && !strcmp(name, "repo.desc"))
189 ctx.repo->desc = xstrdup(value); 187 ctx.repo->desc = xstrdup(value);
190 else if (ctx.repo && !strcmp(name, "repo.owner")) 188 else if (ctx.repo && !strcmp(name, "repo.owner"))
191 ctx.repo->owner = xstrdup(value); 189 ctx.repo->owner = xstrdup(value);
192 else if (ctx.repo && !strcmp(name, "repo.defbranch")) 190 else if (ctx.repo && !strcmp(name, "repo.defbranch"))
193 ctx.repo->defbranch = xstrdup(value); 191 ctx.repo->defbranch = xstrdup(value);
194 else if (ctx.repo && !strcmp(name, "repo.snapshots")) 192 else if (ctx.repo && !strcmp(name, "repo.snapshots"))
195 ctx.repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value); /* XXX: &? */ 193 ctx.repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value); /* XXX: &? */
196 else if (ctx.repo && !strcmp(name, "repo.enable-log-filecount")) 194 else if (ctx.repo && !strcmp(name, "repo.enable-log-filecount"))
197 ctx.repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value); 195 ctx.repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
198 else if (ctx.repo && !strcmp(name, "repo.enable-log-linecount")) 196 else if (ctx.repo && !strcmp(name, "repo.enable-log-linecount"))
199 ctx.repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value); 197 ctx.repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
200 else if (ctx.repo && !strcmp(name, "repo.module-link")) 198 else if (ctx.repo && !strcmp(name, "repo.module-link"))
201 ctx.repo->module_link= xstrdup(value); 199 ctx.repo->module_link= xstrdup(value);
202 else if (ctx.repo && !strcmp(name, "repo.readme") && value != NULL) { 200 else if (ctx.repo && !strcmp(name, "repo.readme") && value != NULL) {
203 if (*value == '/') 201 if (*value == '/')
204 ctx.repo->readme = xstrdup(value); 202 ctx.repo->readme = xstrdup(value);
205 else 203 else
206 ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value)); 204 ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value));
207 } else if (!strcmp(name, "include")) 205 } else if (!strcmp(name, "include"))
208 cgit_read_config(value, cgit_global_config_cb); 206 cgit_read_config(value, cgit_global_config_cb);
209} 207}
210 208
211void cgit_querystring_cb(const char *name, const char *value) 209void cgit_querystring_cb(const char *name, const char *value)
212{ 210{
213 if (!strcmp(name,"r")) { 211 if (!strcmp(name,"r")) {
214 ctx.qry.repo = xstrdup(value); 212 ctx.qry.repo = xstrdup(value);
215 ctx.repo = cgit_get_repoinfo(value); 213 ctx.repo = cgit_get_repoinfo(value);
216 } else if (!strcmp(name, "p")) { 214 } else if (!strcmp(name, "p")) {
217 ctx.qry.page = xstrdup(value); 215 ctx.qry.page = xstrdup(value);
218 cgit_cmd = cgit_get_cmd_index(value); 216 cgit_cmd = cgit_get_cmd_index(value);
219 } else if (!strcmp(name, "url")) { 217 } else if (!strcmp(name, "url")) {
220 cgit_parse_url(value); 218 cgit_parse_url(value);
221 } else if (!strcmp(name, "qt")) { 219 } else if (!strcmp(name, "qt")) {
222 ctx.qry.grep = xstrdup(value); 220 ctx.qry.grep = xstrdup(value);
223 } else if (!strcmp(name, "q")) { 221 } else if (!strcmp(name, "q")) {
224 ctx.qry.search = xstrdup(value); 222 ctx.qry.search = xstrdup(value);
225 } else if (!strcmp(name, "h")) { 223 } else if (!strcmp(name, "h")) {
226 ctx.qry.head = xstrdup(value); 224 ctx.qry.head = xstrdup(value);
227 ctx.qry.has_symref = 1; 225 ctx.qry.has_symref = 1;
228 } else if (!strcmp(name, "id")) { 226 } else if (!strcmp(name, "id")) {
229 ctx.qry.sha1 = xstrdup(value); 227 ctx.qry.sha1 = xstrdup(value);
230 ctx.qry.has_sha1 = 1; 228 ctx.qry.has_sha1 = 1;
231 } else if (!strcmp(name, "id2")) { 229 } else if (!strcmp(name, "id2")) {
232 ctx.qry.sha2 = xstrdup(value); 230 ctx.qry.sha2 = xstrdup(value);
233 ctx.qry.has_sha1 = 1; 231 ctx.qry.has_sha1 = 1;
234 } else if (!strcmp(name, "ofs")) { 232 } else if (!strcmp(name, "ofs")) {
235 ctx.qry.ofs = atoi(value); 233 ctx.qry.ofs = atoi(value);
236 } else if (!strcmp(name, "path")) { 234 } else if (!strcmp(name, "path")) {
237 ctx.qry.path = trim_end(value, '/'); 235 ctx.qry.path = trim_end(value, '/');
238 } else if (!strcmp(name, "name")) { 236 } else if (!strcmp(name, "name")) {
239 ctx.qry.name = xstrdup(value); 237 ctx.qry.name = xstrdup(value);
240 } 238 }
241} 239}
242 240
243void *cgit_free_commitinfo(struct commitinfo *info) 241void *cgit_free_commitinfo(struct commitinfo *info)
244{ 242{
245 free(info->author); 243 free(info->author);
246 free(info->author_email); 244 free(info->author_email);
247 free(info->committer); 245 free(info->committer);
248 free(info->committer_email); 246 free(info->committer_email);
249 free(info->subject); 247 free(info->subject);
250 free(info->msg); 248 free(info->msg);
251 free(info->msg_encoding); 249 free(info->msg_encoding);
252 free(info); 250 free(info);
253 return NULL; 251 return NULL;
254} 252}
255 253
256int hextoint(char c) 254int hextoint(char c)
257{ 255{
258 if (c >= 'a' && c <= 'f') 256 if (c >= 'a' && c <= 'f')
259 return 10 + c - 'a'; 257 return 10 + c - 'a';
260 else if (c >= 'A' && c <= 'F') 258 else if (c >= 'A' && c <= 'F')
261 return 10 + c - 'A'; 259 return 10 + c - 'A';
262 else if (c >= '0' && c <= '9') 260 else if (c >= '0' && c <= '9')
263 return c - '0'; 261 return c - '0';
264 else 262 else
265 return -1; 263 return -1;
266} 264}
267 265
268char *trim_end(const char *str, char c) 266char *trim_end(const char *str, char c)
269{ 267{
270 int len; 268 int len;
271 char *s, *t; 269 char *s, *t;
272 270
273 if (str == NULL) 271 if (str == NULL)
274 return NULL; 272 return NULL;
275 t = (char *)str; 273 t = (char *)str;
276 len = strlen(t); 274 len = strlen(t);
277 while(len > 0 && t[len - 1] == c) 275 while(len > 0 && t[len - 1] == c)
278 len--; 276 len--;
279 277
280 if (len == 0) 278 if (len == 0)
281 return NULL; 279 return NULL;
282 280
283 c = t[len]; 281 c = t[len];
284 t[len] = '\0'; 282 t[len] = '\0';
285 s = xstrdup(t); 283 s = xstrdup(t);
286 t[len] = c; 284 t[len] = c;
287 return s; 285 return s;
288} 286}
289 287
290char *strlpart(char *txt, int maxlen) 288char *strlpart(char *txt, int maxlen)
291{ 289{
292 char *result; 290 char *result;
293 291
294 if (!txt) 292 if (!txt)
295 return txt; 293 return txt;
296 294
297 if (strlen(txt) <= maxlen) 295 if (strlen(txt) <= maxlen)
298 return txt; 296 return txt;
299 result = xmalloc(maxlen + 1); 297 result = xmalloc(maxlen + 1);
300 memcpy(result, txt, maxlen - 3); 298 memcpy(result, txt, maxlen - 3);
301 result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.'; 299 result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.';
302 result[maxlen] = '\0'; 300 result[maxlen] = '\0';
303 return result; 301 return result;
304} 302}
305 303
306char *strrpart(char *txt, int maxlen) 304char *strrpart(char *txt, int maxlen)
307{ 305{
308 char *result; 306 char *result;
309 307
310 if (!txt) 308 if (!txt)
311 return txt; 309 return txt;
312 310
313 if (strlen(txt) <= maxlen) 311 if (strlen(txt) <= maxlen)
314 return txt; 312 return txt;
315 result = xmalloc(maxlen + 1); 313 result = xmalloc(maxlen + 1);
316 memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3); 314 memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3);
317 result[0] = result[1] = result[2] = '.'; 315 result[0] = result[1] = result[2] = '.';
318 return result; 316 return result;
319} 317}
320 318
321void cgit_add_ref(struct reflist *list, struct refinfo *ref) 319void cgit_add_ref(struct reflist *list, struct refinfo *ref)
322{ 320{
323 size_t size; 321 size_t size;
324 322
325 if (list->count >= list->alloc) { 323 if (list->count >= list->alloc) {
326 list->alloc += (list->alloc ? list->alloc : 4); 324 list->alloc += (list->alloc ? list->alloc : 4);
327 size = list->alloc * sizeof(struct refinfo *); 325 size = list->alloc * sizeof(struct refinfo *);
328 list->refs = xrealloc(list->refs, size); 326 list->refs = xrealloc(list->refs, size);
329 } 327 }
330 list->refs[list->count++] = ref; 328 list->refs[list->count++] = ref;
331} 329}
332 330
333struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1) 331struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1)
334{ 332{
335 struct refinfo *ref; 333 struct refinfo *ref;
336 334
337 ref = xmalloc(sizeof (struct refinfo)); 335 ref = xmalloc(sizeof (struct refinfo));
338 ref->refname = xstrdup(refname); 336 ref->refname = xstrdup(refname);
339 ref->object = parse_object(sha1); 337 ref->object = parse_object(sha1);
340 switch (ref->object->type) { 338 switch (ref->object->type) {
341 case OBJ_TAG: 339 case OBJ_TAG:
342 ref->tag = cgit_parse_tag((struct tag *)ref->object); 340 ref->tag = cgit_parse_tag((struct tag *)ref->object);
343 break; 341 break;
344 case OBJ_COMMIT: 342 case OBJ_COMMIT:
345 ref->commit = cgit_parse_commit((struct commit *)ref->object); 343 ref->commit = cgit_parse_commit((struct commit *)ref->object);
346 break; 344 break;
347 } 345 }
348 return ref; 346 return ref;
349} 347}
350 348
351int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags, 349int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags,
352 void *cb_data) 350 void *cb_data)
353{ 351{
354 struct reflist *list = (struct reflist *)cb_data; 352 struct reflist *list = (struct reflist *)cb_data;
355 struct refinfo *info = cgit_mk_refinfo(refname, sha1); 353 struct refinfo *info = cgit_mk_refinfo(refname, sha1);
356 354
357 if (info) 355 if (info)
358 cgit_add_ref(list, info); 356 cgit_add_ref(list, info);
359 return 0; 357 return 0;
360} 358}
361 359
362void cgit_diff_tree_cb(struct diff_queue_struct *q, 360void cgit_diff_tree_cb(struct diff_queue_struct *q,
363 struct diff_options *options, void *data) 361 struct diff_options *options, void *data)
364{ 362{
365 int i; 363 int i;
366 364
367 for (i = 0; i < q->nr; i++) { 365 for (i = 0; i < q->nr; i++) {
368 if (q->queue[i]->status == 'U') 366 if (q->queue[i]->status == 'U')
369 continue; 367 continue;
370 ((filepair_fn)data)(q->queue[i]); 368 ((filepair_fn)data)(q->queue[i]);
371 } 369 }
372} 370}
373 371
374static int load_mmfile(mmfile_t *file, const unsigned char *sha1) 372static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
375{ 373{
376 enum object_type type; 374 enum object_type type;
377 375
378 if (is_null_sha1(sha1)) { 376 if (is_null_sha1(sha1)) {
379 file->ptr = (char *)""; 377 file->ptr = (char *)"";
380 file->size = 0; 378 file->size = 0;
381 } else { 379 } else {
382 file->ptr = read_sha1_file(sha1, &type, 380 file->ptr = read_sha1_file(sha1, &type,
383 (unsigned long *)&file->size); 381 (unsigned long *)&file->size);
384 } 382 }
385 return 1; 383 return 1;
386} 384}
387 385
388/* 386/*
389 * Receive diff-buffers from xdiff and concatenate them as 387 * Receive diff-buffers from xdiff and concatenate them as
390 * needed across multiple callbacks. 388 * needed across multiple callbacks.
391 * 389 *
392 * This is basically a copy of xdiff-interface.c/xdiff_outf(), 390 * This is basically a copy of xdiff-interface.c/xdiff_outf(),
393 * ripped from git and modified to use globals instead of 391 * ripped from git and modified to use globals instead of
394 * a special callback-struct. 392 * a special callback-struct.
395 */ 393 */
396char *diffbuf = NULL; 394char *diffbuf = NULL;
397int buflen = 0; 395int buflen = 0;
398 396
399int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf) 397int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
400{ 398{
401 int i; 399 int i;
402 400