summaryrefslogtreecommitdiffabout
Unidiff
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--shared.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/shared.c b/shared.c
index 077934f..cd9d68d 100644
--- a/shared.c
+++ b/shared.c
@@ -248,165 +248,166 @@ void *cgit_free_commitinfo(struct commitinfo *info)
248 free(info->author); 248 free(info->author);
249 free(info->author_email); 249 free(info->author_email);
250 free(info->committer); 250 free(info->committer);
251 free(info->committer_email); 251 free(info->committer_email);
252 free(info->subject); 252 free(info->subject);
253 free(info); 253 free(info);
254 return NULL; 254 return NULL;
255} 255}
256 256
257int hextoint(char c) 257int hextoint(char c)
258{ 258{
259 if (c >= 'a' && c <= 'f') 259 if (c >= 'a' && c <= 'f')
260 return 10 + c - 'a'; 260 return 10 + c - 'a';
261 else if (c >= 'A' && c <= 'F') 261 else if (c >= 'A' && c <= 'F')
262 return 10 + c - 'A'; 262 return 10 + c - 'A';
263 else if (c >= '0' && c <= '9') 263 else if (c >= '0' && c <= '9')
264 return c - '0'; 264 return c - '0';
265 else 265 else
266 return -1; 266 return -1;
267} 267}
268 268
269char *trim_end(const char *str, char c) 269char *trim_end(const char *str, char c)
270{ 270{
271 int len; 271 int len;
272 char *s, *t; 272 char *s, *t;
273 273
274 if (str == NULL) 274 if (str == NULL)
275 return NULL; 275 return NULL;
276 t = (char *)str; 276 t = (char *)str;
277 len = strlen(t); 277 len = strlen(t);
278 while(len > 0 && t[len - 1] == c) 278 while(len > 0 && t[len - 1] == c)
279 len--; 279 len--;
280 280
281 if (len == 0) 281 if (len == 0)
282 return NULL; 282 return NULL;
283 283
284 c = t[len]; 284 c = t[len];
285 t[len] = '\0'; 285 t[len] = '\0';
286 s = xstrdup(t); 286 s = xstrdup(t);
287 t[len] = c; 287 t[len] = c;
288 return s; 288 return s;
289} 289}
290 290
291void cgit_diff_tree_cb(struct diff_queue_struct *q, 291void cgit_diff_tree_cb(struct diff_queue_struct *q,
292 struct diff_options *options, void *data) 292 struct diff_options *options, void *data)
293{ 293{
294 int i; 294 int i;
295 295
296 for (i = 0; i < q->nr; i++) { 296 for (i = 0; i < q->nr; i++) {
297 if (q->queue[i]->status == 'U') 297 if (q->queue[i]->status == 'U')
298 continue; 298 continue;
299 ((filepair_fn)data)(q->queue[i]); 299 ((filepair_fn)data)(q->queue[i]);
300 } 300 }
301} 301}
302 302
303static int load_mmfile(mmfile_t *file, const unsigned char *sha1) 303static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
304{ 304{
305 enum object_type type; 305 enum object_type type;
306 306
307 if (is_null_sha1(sha1)) { 307 if (is_null_sha1(sha1)) {
308 file->ptr = (char *)""; 308 file->ptr = (char *)"";
309 file->size = 0; 309 file->size = 0;
310 } else { 310 } else {
311 file->ptr = read_sha1_file(sha1, &type, &file->size); 311 file->ptr = read_sha1_file(sha1, &type, &file->size);
312 } 312 }
313 return 1; 313 return 1;
314} 314}
315 315
316/* 316/*
317 * Receive diff-buffers from xdiff and concatenate them as 317 * Receive diff-buffers from xdiff and concatenate them as
318 * needed across multiple callbacks. 318 * needed across multiple callbacks.
319 * 319 *
320 * This is basically a copy of xdiff-interface.c/xdiff_outf(), 320 * This is basically a copy of xdiff-interface.c/xdiff_outf(),
321 * ripped from git and modified to use globals instead of 321 * ripped from git and modified to use globals instead of
322 * a special callback-struct. 322 * a special callback-struct.
323 */ 323 */
324char *diffbuf = NULL; 324char *diffbuf = NULL;
325int buflen = 0; 325int buflen = 0;
326 326
327int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf) 327int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
328{ 328{
329 int i; 329 int i;
330 330
331 for (i = 0; i < nbuf; i++) { 331 for (i = 0; i < nbuf; i++) {
332 if (mb[i].ptr[mb[i].size-1] != '\n') { 332 if (mb[i].ptr[mb[i].size-1] != '\n') {
333 /* Incomplete line */ 333 /* Incomplete line */
334 diffbuf = xrealloc(diffbuf, buflen + mb[i].size); 334 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
335 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); 335 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
336 buflen += mb[i].size; 336 buflen += mb[i].size;
337 continue; 337 continue;
338 } 338 }
339 339
340 /* we have a complete line */ 340 /* we have a complete line */
341 if (!diffbuf) { 341 if (!diffbuf) {
342 ((linediff_fn)priv)(mb[i].ptr, mb[i].size); 342 ((linediff_fn)priv)(mb[i].ptr, mb[i].size);
343 continue; 343 continue;
344 } 344 }
345 diffbuf = xrealloc(diffbuf, buflen + mb[i].size); 345 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
346 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); 346 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
347 ((linediff_fn)priv)(diffbuf, buflen + mb[i].size); 347 ((linediff_fn)priv)(diffbuf, buflen + mb[i].size);
348 free(diffbuf); 348 free(diffbuf);
349 diffbuf = NULL; 349 diffbuf = NULL;
350 buflen = 0; 350 buflen = 0;
351 } 351 }
352 if (diffbuf) { 352 if (diffbuf) {
353 ((linediff_fn)priv)(diffbuf, buflen); 353 ((linediff_fn)priv)(diffbuf, buflen);
354 free(diffbuf); 354 free(diffbuf);
355 diffbuf = NULL; 355 diffbuf = NULL;
356 buflen = 0; 356 buflen = 0;
357 } 357 }
358 return 0; 358 return 0;
359} 359}
360 360
361int cgit_diff_files(const unsigned char *old_sha1, 361int cgit_diff_files(const unsigned char *old_sha1,
362 const unsigned char *new_sha1, 362 const unsigned char *new_sha1,
363 linediff_fn fn) 363 linediff_fn fn)
364{ 364{
365 mmfile_t file1, file2; 365 mmfile_t file1, file2;
366 xpparam_t diff_params; 366 xpparam_t diff_params;
367 xdemitconf_t emit_params; 367 xdemitconf_t emit_params;
368 xdemitcb_t emit_cb; 368 xdemitcb_t emit_cb;
369 369
370 if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1)) 370 if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1))
371 return 1; 371 return 1;
372 372
373 diff_params.flags = XDF_NEED_MINIMAL; 373 diff_params.flags = XDF_NEED_MINIMAL;
374 emit_params.ctxlen = 3; 374 emit_params.ctxlen = 3;
375 emit_params.flags = XDL_EMIT_FUNCNAMES; 375 emit_params.flags = XDL_EMIT_FUNCNAMES;
376 emit_params.find_func = NULL;
376 emit_cb.outf = filediff_cb; 377 emit_cb.outf = filediff_cb;
377 emit_cb.priv = fn; 378 emit_cb.priv = fn;
378 xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb); 379 xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
379 return 0; 380 return 0;
380} 381}
381 382
382void cgit_diff_tree(const unsigned char *old_sha1, 383void cgit_diff_tree(const unsigned char *old_sha1,
383 const unsigned char *new_sha1, 384 const unsigned char *new_sha1,
384 filepair_fn fn) 385 filepair_fn fn)
385{ 386{
386 struct diff_options opt; 387 struct diff_options opt;
387 int ret; 388 int ret;
388 389
389 diff_setup(&opt); 390 diff_setup(&opt);
390 opt.output_format = DIFF_FORMAT_CALLBACK; 391 opt.output_format = DIFF_FORMAT_CALLBACK;
391 opt.detect_rename = 1; 392 opt.detect_rename = 1;
392 opt.recursive = 1; 393 opt.recursive = 1;
393 opt.format_callback = cgit_diff_tree_cb; 394 opt.format_callback = cgit_diff_tree_cb;
394 opt.format_callback_data = fn; 395 opt.format_callback_data = fn;
395 diff_setup_done(&opt); 396 diff_setup_done(&opt);
396 397
397 if (old_sha1 && !is_null_sha1(old_sha1)) 398 if (old_sha1 && !is_null_sha1(old_sha1))
398 ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt); 399 ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt);
399 else 400 else
400 ret = diff_root_tree_sha1(new_sha1, "", &opt); 401 ret = diff_root_tree_sha1(new_sha1, "", &opt);
401 diffcore_std(&opt); 402 diffcore_std(&opt);
402 diff_flush(&opt); 403 diff_flush(&opt);
403} 404}
404 405
405void cgit_diff_commit(struct commit *commit, filepair_fn fn) 406void cgit_diff_commit(struct commit *commit, filepair_fn fn)
406{ 407{
407 unsigned char *old_sha1 = NULL; 408 unsigned char *old_sha1 = NULL;
408 409
409 if (commit->parents) 410 if (commit->parents)
410 old_sha1 = commit->parents->item->object.sha1; 411 old_sha1 = commit->parents->item->object.sha1;
411 cgit_diff_tree(old_sha1, commit->object.sha1, fn); 412 cgit_diff_tree(old_sha1, commit->object.sha1, fn);
412} 413}