summaryrefslogtreecommitdiffabout
path: root/shared.c
Unidiff
Diffstat (limited to 'shared.c') (more/less context) (ignore whitespace changes)
-rw-r--r--shared.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/shared.c b/shared.c
index 45fde7f..65af11a 100644
--- a/shared.c
+++ b/shared.c
@@ -1,361 +1,365 @@
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 repolist cgit_repolist; 11struct repolist cgit_repolist;
12struct repoinfo *cgit_repo; 12struct repoinfo *cgit_repo;
13int cgit_cmd; 13int cgit_cmd;
14 14
15char *cgit_root_title = "Git repository browser"; 15char *cgit_root_title = "Git repository browser";
16char *cgit_css = "/cgit.css"; 16char *cgit_css = "/cgit.css";
17char *cgit_logo = "/git-logo.png"; 17char *cgit_logo = "/git-logo.png";
18char *cgit_index_header = NULL; 18char *cgit_index_header = NULL;
19char *cgit_logo_link = "http://www.kernel.org/pub/software/scm/git/docs/"; 19char *cgit_logo_link = "http://www.kernel.org/pub/software/scm/git/docs/";
20char *cgit_module_link = "./?repo=%s&page=commit&id=%s"; 20char *cgit_module_link = "./?repo=%s&page=commit&id=%s";
21char *cgit_virtual_root = NULL; 21char *cgit_virtual_root = NULL;
22char *cgit_script_name = CGIT_SCRIPT_NAME; 22char *cgit_script_name = CGIT_SCRIPT_NAME;
23char *cgit_cache_root = "/var/cache/cgit"; 23char *cgit_cache_root = "/var/cache/cgit";
24char *cgit_repo_group = NULL;
24 25
25int cgit_nocache = 0; 26int cgit_nocache = 0;
26int cgit_snapshots = 0; 27int cgit_snapshots = 0;
27int cgit_enable_log_filecount = 0; 28int cgit_enable_log_filecount = 0;
28int cgit_enable_log_linecount = 0; 29int cgit_enable_log_linecount = 0;
29int cgit_max_lock_attempts = 5; 30int cgit_max_lock_attempts = 5;
30int cgit_cache_root_ttl = 5; 31int cgit_cache_root_ttl = 5;
31int cgit_cache_repo_ttl = 5; 32int cgit_cache_repo_ttl = 5;
32int cgit_cache_dynamic_ttl = 5; 33int cgit_cache_dynamic_ttl = 5;
33int cgit_cache_static_ttl = -1; 34int cgit_cache_static_ttl = -1;
34int cgit_cache_max_create_time = 5; 35int cgit_cache_max_create_time = 5;
35 36
36int cgit_max_msg_len = 60; 37int cgit_max_msg_len = 60;
37int cgit_max_repodesc_len = 60; 38int cgit_max_repodesc_len = 60;
38int cgit_max_commit_count = 50; 39int cgit_max_commit_count = 50;
39 40
40int cgit_query_has_symref = 0; 41int cgit_query_has_symref = 0;
41int cgit_query_has_sha1 = 0; 42int cgit_query_has_sha1 = 0;
42 43
43char *cgit_querystring = NULL; 44char *cgit_querystring = NULL;
44char *cgit_query_repo = NULL; 45char *cgit_query_repo = NULL;
45char *cgit_query_page = NULL; 46char *cgit_query_page = NULL;
46char *cgit_query_head = NULL; 47char *cgit_query_head = NULL;
47char *cgit_query_search = NULL; 48char *cgit_query_search = NULL;
48char *cgit_query_sha1 = NULL; 49char *cgit_query_sha1 = NULL;
49char *cgit_query_sha2 = NULL; 50char *cgit_query_sha2 = NULL;
50char *cgit_query_path = NULL; 51char *cgit_query_path = NULL;
51char *cgit_query_name = NULL; 52char *cgit_query_name = NULL;
52int cgit_query_ofs = 0; 53int cgit_query_ofs = 0;
53 54
54int htmlfd = 0; 55int htmlfd = 0;
55 56
56 57
57int cgit_get_cmd_index(const char *cmd) 58int cgit_get_cmd_index(const char *cmd)
58{ 59{
59 static char *cmds[] = {"log", "commit", "diff", "tree", "view", "blob", "snapshot", NULL}; 60 static char *cmds[] = {"log", "commit", "diff", "tree", "view", "blob", "snapshot", NULL};
60 int i; 61 int i;
61 62
62 for(i = 0; cmds[i]; i++) 63 for(i = 0; cmds[i]; i++)
63 if (!strcmp(cmd, cmds[i])) 64 if (!strcmp(cmd, cmds[i]))
64 return i + 1; 65 return i + 1;
65 return 0; 66 return 0;
66} 67}
67 68
68int chk_zero(int result, char *msg) 69int chk_zero(int result, char *msg)
69{ 70{
70 if (result != 0) 71 if (result != 0)
71 die("%s: %s", msg, strerror(errno)); 72 die("%s: %s", msg, strerror(errno));
72 return result; 73 return result;
73} 74}
74 75
75int chk_positive(int result, char *msg) 76int chk_positive(int result, char *msg)
76{ 77{
77 if (result <= 0) 78 if (result <= 0)
78 die("%s: %s", msg, strerror(errno)); 79 die("%s: %s", msg, strerror(errno));
79 return result; 80 return result;
80} 81}
81 82
82struct repoinfo *add_repo(const char *url) 83struct repoinfo *add_repo(const char *url)
83{ 84{
84 struct repoinfo *ret; 85 struct repoinfo *ret;
85 86
86 if (++cgit_repolist.count > cgit_repolist.length) { 87 if (++cgit_repolist.count > cgit_repolist.length) {
87 if (cgit_repolist.length == 0) 88 if (cgit_repolist.length == 0)
88 cgit_repolist.length = 8; 89 cgit_repolist.length = 8;
89 else 90 else
90 cgit_repolist.length *= 2; 91 cgit_repolist.length *= 2;
91 cgit_repolist.repos = xrealloc(cgit_repolist.repos, 92 cgit_repolist.repos = xrealloc(cgit_repolist.repos,
92 cgit_repolist.length * 93 cgit_repolist.length *
93 sizeof(struct repoinfo)); 94 sizeof(struct repoinfo));
94 } 95 }
95 96
96 ret = &cgit_repolist.repos[cgit_repolist.count-1]; 97 ret = &cgit_repolist.repos[cgit_repolist.count-1];
97 ret->url = xstrdup(url); 98 ret->url = xstrdup(url);
98 ret->name = ret->url; 99 ret->name = ret->url;
99 ret->path = NULL; 100 ret->path = NULL;
100 ret->desc = NULL; 101 ret->desc = NULL;
101 ret->owner = NULL; 102 ret->owner = NULL;
103 ret->group = cgit_repo_group;
102 ret->defbranch = "master"; 104 ret->defbranch = "master";
103 ret->snapshots = cgit_snapshots; 105 ret->snapshots = cgit_snapshots;
104 ret->enable_log_filecount = cgit_enable_log_filecount; 106 ret->enable_log_filecount = cgit_enable_log_filecount;
105 ret->enable_log_linecount = cgit_enable_log_linecount; 107 ret->enable_log_linecount = cgit_enable_log_linecount;
106 ret->module_link = cgit_module_link; 108 ret->module_link = cgit_module_link;
107 return ret; 109 return ret;
108} 110}
109 111
110struct repoinfo *cgit_get_repoinfo(const char *url) 112struct repoinfo *cgit_get_repoinfo(const char *url)
111{ 113{
112 int i; 114 int i;
113 struct repoinfo *repo; 115 struct repoinfo *repo;
114 116
115 for (i=0; i<cgit_repolist.count; i++) { 117 for (i=0; i<cgit_repolist.count; i++) {
116 repo = &cgit_repolist.repos[i]; 118 repo = &cgit_repolist.repos[i];
117 if (!strcmp(repo->url, url)) 119 if (!strcmp(repo->url, url))
118 return repo; 120 return repo;
119 } 121 }
120 return NULL; 122 return NULL;
121} 123}
122 124
123void cgit_global_config_cb(const char *name, const char *value) 125void cgit_global_config_cb(const char *name, const char *value)
124{ 126{
125 if (!strcmp(name, "root-title")) 127 if (!strcmp(name, "root-title"))
126 cgit_root_title = xstrdup(value); 128 cgit_root_title = xstrdup(value);
127 else if (!strcmp(name, "css")) 129 else if (!strcmp(name, "css"))
128 cgit_css = xstrdup(value); 130 cgit_css = xstrdup(value);
129 else if (!strcmp(name, "logo")) 131 else if (!strcmp(name, "logo"))
130 cgit_logo = xstrdup(value); 132 cgit_logo = xstrdup(value);
131 else if (!strcmp(name, "index-header")) 133 else if (!strcmp(name, "index-header"))
132 cgit_index_header = xstrdup(value); 134 cgit_index_header = xstrdup(value);
133 else if (!strcmp(name, "logo-link")) 135 else if (!strcmp(name, "logo-link"))
134 cgit_logo_link = xstrdup(value); 136 cgit_logo_link = xstrdup(value);
135 else if (!strcmp(name, "module-link")) 137 else if (!strcmp(name, "module-link"))
136 cgit_module_link = xstrdup(value); 138 cgit_module_link = xstrdup(value);
137 else if (!strcmp(name, "virtual-root")) 139 else if (!strcmp(name, "virtual-root"))
138 cgit_virtual_root = xstrdup(value); 140 cgit_virtual_root = xstrdup(value);
139 else if (!strcmp(name, "nocache")) 141 else if (!strcmp(name, "nocache"))
140 cgit_nocache = atoi(value); 142 cgit_nocache = atoi(value);
141 else if (!strcmp(name, "snapshots")) 143 else if (!strcmp(name, "snapshots"))
142 cgit_snapshots = atoi(value); 144 cgit_snapshots = atoi(value);
143 else if (!strcmp(name, "enable-log-filecount")) 145 else if (!strcmp(name, "enable-log-filecount"))
144 cgit_enable_log_filecount = atoi(value); 146 cgit_enable_log_filecount = atoi(value);
145 else if (!strcmp(name, "enable-log-linecount")) 147 else if (!strcmp(name, "enable-log-linecount"))
146 cgit_enable_log_linecount = atoi(value); 148 cgit_enable_log_linecount = atoi(value);
147 else if (!strcmp(name, "cache-root")) 149 else if (!strcmp(name, "cache-root"))
148 cgit_cache_root = xstrdup(value); 150 cgit_cache_root = xstrdup(value);
149 else if (!strcmp(name, "cache-root-ttl")) 151 else if (!strcmp(name, "cache-root-ttl"))
150 cgit_cache_root_ttl = atoi(value); 152 cgit_cache_root_ttl = atoi(value);
151 else if (!strcmp(name, "cache-repo-ttl")) 153 else if (!strcmp(name, "cache-repo-ttl"))
152 cgit_cache_repo_ttl = atoi(value); 154 cgit_cache_repo_ttl = atoi(value);
153 else if (!strcmp(name, "cache-static-ttl")) 155 else if (!strcmp(name, "cache-static-ttl"))
154 cgit_cache_static_ttl = atoi(value); 156 cgit_cache_static_ttl = atoi(value);
155 else if (!strcmp(name, "cache-dynamic-ttl")) 157 else if (!strcmp(name, "cache-dynamic-ttl"))
156 cgit_cache_dynamic_ttl = atoi(value); 158 cgit_cache_dynamic_ttl = atoi(value);
157 else if (!strcmp(name, "max-message-length")) 159 else if (!strcmp(name, "max-message-length"))
158 cgit_max_msg_len = atoi(value); 160 cgit_max_msg_len = atoi(value);
159 else if (!strcmp(name, "max-repodesc-length")) 161 else if (!strcmp(name, "max-repodesc-length"))
160 cgit_max_repodesc_len = atoi(value); 162 cgit_max_repodesc_len = atoi(value);
161 else if (!strcmp(name, "max-commit-count")) 163 else if (!strcmp(name, "max-commit-count"))
162 cgit_max_commit_count = atoi(value); 164 cgit_max_commit_count = atoi(value);
165 else if (!strcmp(name, "repo.group"))
166 cgit_repo_group = xstrdup(value);
163 else if (!strcmp(name, "repo.url")) 167 else if (!strcmp(name, "repo.url"))
164 cgit_repo = add_repo(value); 168 cgit_repo = add_repo(value);
165 else if (!strcmp(name, "repo.name")) 169 else if (!strcmp(name, "repo.name"))
166 cgit_repo->name = xstrdup(value); 170 cgit_repo->name = xstrdup(value);
167 else if (cgit_repo && !strcmp(name, "repo.path")) 171 else if (cgit_repo && !strcmp(name, "repo.path"))
168 cgit_repo->path = xstrdup(value); 172 cgit_repo->path = xstrdup(value);
169 else if (cgit_repo && !strcmp(name, "repo.desc")) 173 else if (cgit_repo && !strcmp(name, "repo.desc"))
170 cgit_repo->desc = xstrdup(value); 174 cgit_repo->desc = xstrdup(value);
171 else if (cgit_repo && !strcmp(name, "repo.owner")) 175 else if (cgit_repo && !strcmp(name, "repo.owner"))
172 cgit_repo->owner = xstrdup(value); 176 cgit_repo->owner = xstrdup(value);
173 else if (cgit_repo && !strcmp(name, "repo.defbranch")) 177 else if (cgit_repo && !strcmp(name, "repo.defbranch"))
174 cgit_repo->defbranch = xstrdup(value); 178 cgit_repo->defbranch = xstrdup(value);
175 else if (cgit_repo && !strcmp(name, "repo.snapshots")) 179 else if (cgit_repo && !strcmp(name, "repo.snapshots"))
176 cgit_repo->snapshots = cgit_snapshots * atoi(value); 180 cgit_repo->snapshots = cgit_snapshots * atoi(value);
177 else if (cgit_repo && !strcmp(name, "repo.enable-log-filecount")) 181 else if (cgit_repo && !strcmp(name, "repo.enable-log-filecount"))
178 cgit_repo->enable_log_filecount = cgit_enable_log_filecount * atoi(value); 182 cgit_repo->enable_log_filecount = cgit_enable_log_filecount * atoi(value);
179 else if (cgit_repo && !strcmp(name, "repo.enable-log-linecount")) 183 else if (cgit_repo && !strcmp(name, "repo.enable-log-linecount"))
180 cgit_repo->enable_log_linecount = cgit_enable_log_linecount * atoi(value); 184 cgit_repo->enable_log_linecount = cgit_enable_log_linecount * atoi(value);
181 else if (cgit_repo && !strcmp(name, "repo.module-link")) 185 else if (cgit_repo && !strcmp(name, "repo.module-link"))
182 cgit_repo->module_link= xstrdup(value); 186 cgit_repo->module_link= xstrdup(value);
183 else if (!strcmp(name, "include")) 187 else if (!strcmp(name, "include"))
184 cgit_read_config(value, cgit_global_config_cb); 188 cgit_read_config(value, cgit_global_config_cb);
185} 189}
186 190
187void cgit_querystring_cb(const char *name, const char *value) 191void cgit_querystring_cb(const char *name, const char *value)
188{ 192{
189 if (!strcmp(name,"r")) { 193 if (!strcmp(name,"r")) {
190 cgit_query_repo = xstrdup(value); 194 cgit_query_repo = xstrdup(value);
191 cgit_repo = cgit_get_repoinfo(value); 195 cgit_repo = cgit_get_repoinfo(value);
192 } else if (!strcmp(name, "p")) { 196 } else if (!strcmp(name, "p")) {
193 cgit_query_page = xstrdup(value); 197 cgit_query_page = xstrdup(value);
194 cgit_cmd = cgit_get_cmd_index(value); 198 cgit_cmd = cgit_get_cmd_index(value);
195 } else if (!strcmp(name, "url")) { 199 } else if (!strcmp(name, "url")) {
196 cgit_parse_url(value); 200 cgit_parse_url(value);
197 } else if (!strcmp(name, "q")) { 201 } else if (!strcmp(name, "q")) {
198 cgit_query_search = xstrdup(value); 202 cgit_query_search = xstrdup(value);
199 } else if (!strcmp(name, "h")) { 203 } else if (!strcmp(name, "h")) {
200 cgit_query_head = xstrdup(value); 204 cgit_query_head = xstrdup(value);
201 cgit_query_has_symref = 1; 205 cgit_query_has_symref = 1;
202 } else if (!strcmp(name, "id")) { 206 } else if (!strcmp(name, "id")) {
203 cgit_query_sha1 = xstrdup(value); 207 cgit_query_sha1 = xstrdup(value);
204 cgit_query_has_sha1 = 1; 208 cgit_query_has_sha1 = 1;
205 } else if (!strcmp(name, "id2")) { 209 } else if (!strcmp(name, "id2")) {
206 cgit_query_sha2 = xstrdup(value); 210 cgit_query_sha2 = xstrdup(value);
207 cgit_query_has_sha1 = 1; 211 cgit_query_has_sha1 = 1;
208 } else if (!strcmp(name, "ofs")) { 212 } else if (!strcmp(name, "ofs")) {
209 cgit_query_ofs = atoi(value); 213 cgit_query_ofs = atoi(value);
210 } else if (!strcmp(name, "path")) { 214 } else if (!strcmp(name, "path")) {
211 cgit_query_path = xstrdup(value); 215 cgit_query_path = xstrdup(value);
212 } else if (!strcmp(name, "name")) { 216 } else if (!strcmp(name, "name")) {
213 cgit_query_name = xstrdup(value); 217 cgit_query_name = xstrdup(value);
214 } 218 }
215} 219}
216 220
217void *cgit_free_commitinfo(struct commitinfo *info) 221void *cgit_free_commitinfo(struct commitinfo *info)
218{ 222{
219 free(info->author); 223 free(info->author);
220 free(info->author_email); 224 free(info->author_email);
221 free(info->committer); 225 free(info->committer);
222 free(info->committer_email); 226 free(info->committer_email);
223 free(info->subject); 227 free(info->subject);
224 free(info); 228 free(info);
225 return NULL; 229 return NULL;
226} 230}
227 231
228int hextoint(char c) 232int hextoint(char c)
229{ 233{
230 if (c >= 'a' && c <= 'f') 234 if (c >= 'a' && c <= 'f')
231 return 10 + c - 'a'; 235 return 10 + c - 'a';
232 else if (c >= 'A' && c <= 'F') 236 else if (c >= 'A' && c <= 'F')
233 return 10 + c - 'A'; 237 return 10 + c - 'A';
234 else if (c >= '0' && c <= '9') 238 else if (c >= '0' && c <= '9')
235 return c - '0'; 239 return c - '0';
236 else 240 else
237 return -1; 241 return -1;
238} 242}
239 243
240void cgit_diff_tree_cb(struct diff_queue_struct *q, 244void cgit_diff_tree_cb(struct diff_queue_struct *q,
241 struct diff_options *options, void *data) 245 struct diff_options *options, void *data)
242{ 246{
243 int i; 247 int i;
244 248
245 for (i = 0; i < q->nr; i++) { 249 for (i = 0; i < q->nr; i++) {
246 if (q->queue[i]->status == 'U') 250 if (q->queue[i]->status == 'U')
247 continue; 251 continue;
248 ((filepair_fn)data)(q->queue[i]); 252 ((filepair_fn)data)(q->queue[i]);
249 } 253 }
250} 254}
251 255
252static int load_mmfile(mmfile_t *file, const unsigned char *sha1) 256static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
253{ 257{
254 enum object_type type; 258 enum object_type type;
255 259
256 if (is_null_sha1(sha1)) { 260 if (is_null_sha1(sha1)) {
257 file->ptr = (char *)""; 261 file->ptr = (char *)"";
258 file->size = 0; 262 file->size = 0;
259 } else { 263 } else {
260 file->ptr = read_sha1_file(sha1, &type, &file->size); 264 file->ptr = read_sha1_file(sha1, &type, &file->size);
261 } 265 }
262 return 1; 266 return 1;
263} 267}
264 268
265/* 269/*
266 * Receive diff-buffers from xdiff and concatenate them as 270 * Receive diff-buffers from xdiff and concatenate them as
267 * needed across multiple callbacks. 271 * needed across multiple callbacks.
268 * 272 *
269 * This is basically a copy of xdiff-interface.c/xdiff_outf(), 273 * This is basically a copy of xdiff-interface.c/xdiff_outf(),
270 * ripped from git and modified to use globals instead of 274 * ripped from git and modified to use globals instead of
271 * a special callback-struct. 275 * a special callback-struct.
272 */ 276 */
273char *diffbuf = NULL; 277char *diffbuf = NULL;
274int buflen = 0; 278int buflen = 0;
275 279
276int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf) 280int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
277{ 281{
278 int i; 282 int i;
279 283
280 for (i = 0; i < nbuf; i++) { 284 for (i = 0; i < nbuf; i++) {
281 if (mb[i].ptr[mb[i].size-1] != '\n') { 285 if (mb[i].ptr[mb[i].size-1] != '\n') {
282 /* Incomplete line */ 286 /* Incomplete line */
283 diffbuf = xrealloc(diffbuf, buflen + mb[i].size); 287 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
284 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); 288 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
285 buflen += mb[i].size; 289 buflen += mb[i].size;
286 continue; 290 continue;
287 } 291 }
288 292
289 /* we have a complete line */ 293 /* we have a complete line */
290 if (!diffbuf) { 294 if (!diffbuf) {
291 ((linediff_fn)priv)(mb[i].ptr, mb[i].size); 295 ((linediff_fn)priv)(mb[i].ptr, mb[i].size);
292 continue; 296 continue;
293 } 297 }
294 diffbuf = xrealloc(diffbuf, buflen + mb[i].size); 298 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
295 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); 299 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
296 ((linediff_fn)priv)(diffbuf, buflen + mb[i].size); 300 ((linediff_fn)priv)(diffbuf, buflen + mb[i].size);
297 free(diffbuf); 301 free(diffbuf);
298 diffbuf = NULL; 302 diffbuf = NULL;
299 buflen = 0; 303 buflen = 0;
300 } 304 }
301 if (diffbuf) { 305 if (diffbuf) {
302 ((linediff_fn)priv)(diffbuf, buflen); 306 ((linediff_fn)priv)(diffbuf, buflen);
303 free(diffbuf); 307 free(diffbuf);
304 diffbuf = NULL; 308 diffbuf = NULL;
305 buflen = 0; 309 buflen = 0;
306 } 310 }
307 return 0; 311 return 0;
308} 312}
309 313
310int cgit_diff_files(const unsigned char *old_sha1, 314int cgit_diff_files(const unsigned char *old_sha1,
311 const unsigned char *new_sha1, 315 const unsigned char *new_sha1,
312 linediff_fn fn) 316 linediff_fn fn)
313{ 317{
314 mmfile_t file1, file2; 318 mmfile_t file1, file2;
315 xpparam_t diff_params; 319 xpparam_t diff_params;
316 xdemitconf_t emit_params; 320 xdemitconf_t emit_params;
317 xdemitcb_t emit_cb; 321 xdemitcb_t emit_cb;
318 322
319 if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1)) 323 if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1))
320 return 1; 324 return 1;
321 325
322 diff_params.flags = XDF_NEED_MINIMAL; 326 diff_params.flags = XDF_NEED_MINIMAL;
323 emit_params.ctxlen = 3; 327 emit_params.ctxlen = 3;
324 emit_params.flags = XDL_EMIT_FUNCNAMES; 328 emit_params.flags = XDL_EMIT_FUNCNAMES;
325 emit_cb.outf = filediff_cb; 329 emit_cb.outf = filediff_cb;
326 emit_cb.priv = fn; 330 emit_cb.priv = fn;
327 xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb); 331 xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
328 return 0; 332 return 0;
329} 333}
330 334
331void cgit_diff_tree(const unsigned char *old_sha1, 335void cgit_diff_tree(const unsigned char *old_sha1,
332 const unsigned char *new_sha1, 336 const unsigned char *new_sha1,
333 filepair_fn fn) 337 filepair_fn fn)
334{ 338{
335 struct diff_options opt; 339 struct diff_options opt;
336 int ret; 340 int ret;
337 341
338 diff_setup(&opt); 342 diff_setup(&opt);
339 opt.output_format = DIFF_FORMAT_CALLBACK; 343 opt.output_format = DIFF_FORMAT_CALLBACK;
340 opt.detect_rename = 1; 344 opt.detect_rename = 1;
341 opt.recursive = 1; 345 opt.recursive = 1;
342 opt.format_callback = cgit_diff_tree_cb; 346 opt.format_callback = cgit_diff_tree_cb;
343 opt.format_callback_data = fn; 347 opt.format_callback_data = fn;
344 diff_setup_done(&opt); 348 diff_setup_done(&opt);
345 349
346 if (old_sha1) 350 if (old_sha1)
347 ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt); 351 ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt);
348 else 352 else
349 ret = diff_root_tree_sha1(new_sha1, "", &opt); 353 ret = diff_root_tree_sha1(new_sha1, "", &opt);
350 diffcore_std(&opt); 354 diffcore_std(&opt);
351 diff_flush(&opt); 355 diff_flush(&opt);
352} 356}
353 357
354void cgit_diff_commit(struct commit *commit, filepair_fn fn) 358void cgit_diff_commit(struct commit *commit, filepair_fn fn)
355{ 359{
356 unsigned char *old_sha1 = NULL; 360 unsigned char *old_sha1 = NULL;
357 361
358 if (commit->parents) 362 if (commit->parents)
359 old_sha1 = commit->parents->item->object.sha1; 363 old_sha1 = commit->parents->item->object.sha1;
360 cgit_diff_tree(old_sha1, commit->object.sha1, fn); 364 cgit_diff_tree(old_sha1, commit->object.sha1, fn);
361} 365}