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path: root/shared.c
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-rw-r--r--shared.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/shared.c b/shared.c
index bf0581f..f063894 100644
--- a/shared.c
+++ b/shared.c
@@ -303,219 +303,219 @@ char *trim_end(const char *str, char c)
303 t = (char *)str; 303 t = (char *)str;
304 len = strlen(t); 304 len = strlen(t);
305 while(len > 0 && t[len - 1] == c) 305 while(len > 0 && t[len - 1] == c)
306 len--; 306 len--;
307 307
308 if (len == 0) 308 if (len == 0)
309 return NULL; 309 return NULL;
310 310
311 c = t[len]; 311 c = t[len];
312 t[len] = '\0'; 312 t[len] = '\0';
313 s = xstrdup(t); 313 s = xstrdup(t);
314 t[len] = c; 314 t[len] = c;
315 return s; 315 return s;
316} 316}
317 317
318char *strlpart(char *txt, int maxlen) 318char *strlpart(char *txt, int maxlen)
319{ 319{
320 char *result; 320 char *result;
321 321
322 if (!txt) 322 if (!txt)
323 return txt; 323 return txt;
324 324
325 if (strlen(txt) <= maxlen) 325 if (strlen(txt) <= maxlen)
326 return txt; 326 return txt;
327 result = xmalloc(maxlen + 1); 327 result = xmalloc(maxlen + 1);
328 memcpy(result, txt, maxlen - 3); 328 memcpy(result, txt, maxlen - 3);
329 result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.'; 329 result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.';
330 result[maxlen] = '\0'; 330 result[maxlen] = '\0';
331 return result; 331 return result;
332} 332}
333 333
334char *strrpart(char *txt, int maxlen) 334char *strrpart(char *txt, int maxlen)
335{ 335{
336 char *result; 336 char *result;
337 337
338 if (!txt) 338 if (!txt)
339 return txt; 339 return txt;
340 340
341 if (strlen(txt) <= maxlen) 341 if (strlen(txt) <= maxlen)
342 return txt; 342 return txt;
343 result = xmalloc(maxlen + 1); 343 result = xmalloc(maxlen + 1);
344 memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3); 344 memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3);
345 result[0] = result[1] = result[2] = '.'; 345 result[0] = result[1] = result[2] = '.';
346 return result; 346 return result;
347} 347}
348 348
349void cgit_add_ref(struct reflist *list, struct refinfo *ref) 349void cgit_add_ref(struct reflist *list, struct refinfo *ref)
350{ 350{
351 size_t size; 351 size_t size;
352 352
353 if (list->count >= list->alloc) { 353 if (list->count >= list->alloc) {
354 list->alloc += (list->alloc ? list->alloc : 4); 354 list->alloc += (list->alloc ? list->alloc : 4);
355 size = list->alloc * sizeof(struct refinfo *); 355 size = list->alloc * sizeof(struct refinfo *);
356 list->refs = xrealloc(list->refs, size); 356 list->refs = xrealloc(list->refs, size);
357 } 357 }
358 list->refs[list->count++] = ref; 358 list->refs[list->count++] = ref;
359} 359}
360 360
361struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1) 361struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1)
362{ 362{
363 struct refinfo *ref; 363 struct refinfo *ref;
364 364
365 ref = xmalloc(sizeof (struct refinfo)); 365 ref = xmalloc(sizeof (struct refinfo));
366 ref->refname = xstrdup(refname); 366 ref->refname = xstrdup(refname);
367 ref->object = parse_object(sha1); 367 ref->object = parse_object(sha1);
368 switch (ref->object->type) { 368 switch (ref->object->type) {
369 case OBJ_TAG: 369 case OBJ_TAG:
370 ref->tag = cgit_parse_tag((struct tag *)ref->object); 370 ref->tag = cgit_parse_tag((struct tag *)ref->object);
371 break; 371 break;
372 case OBJ_COMMIT: 372 case OBJ_COMMIT:
373 ref->commit = cgit_parse_commit((struct commit *)ref->object); 373 ref->commit = cgit_parse_commit((struct commit *)ref->object);
374 break; 374 break;
375 } 375 }
376 return ref; 376 return ref;
377} 377}
378 378
379int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags, 379int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags,
380 void *cb_data) 380 void *cb_data)
381{ 381{
382 struct reflist *list = (struct reflist *)cb_data; 382 struct reflist *list = (struct reflist *)cb_data;
383 struct refinfo *info = cgit_mk_refinfo(refname, sha1); 383 struct refinfo *info = cgit_mk_refinfo(refname, sha1);
384 384
385 if (info) 385 if (info)
386 cgit_add_ref(list, info); 386 cgit_add_ref(list, info);
387 return 0; 387 return 0;
388} 388}
389 389
390void cgit_diff_tree_cb(struct diff_queue_struct *q, 390void cgit_diff_tree_cb(struct diff_queue_struct *q,
391 struct diff_options *options, void *data) 391 struct diff_options *options, void *data)
392{ 392{
393 int i; 393 int i;
394 394
395 for (i = 0; i < q->nr; i++) { 395 for (i = 0; i < q->nr; i++) {
396 if (q->queue[i]->status == 'U') 396 if (q->queue[i]->status == 'U')
397 continue; 397 continue;
398 ((filepair_fn)data)(q->queue[i]); 398 ((filepair_fn)data)(q->queue[i]);
399 } 399 }
400} 400}
401 401
402static int load_mmfile(mmfile_t *file, const unsigned char *sha1) 402static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
403{ 403{
404 enum object_type type; 404 enum object_type type;
405 405
406 if (is_null_sha1(sha1)) { 406 if (is_null_sha1(sha1)) {
407 file->ptr = (char *)""; 407 file->ptr = (char *)"";
408 file->size = 0; 408 file->size = 0;
409 } else { 409 } else {
410 file->ptr = read_sha1_file(sha1, &type, 410 file->ptr = read_sha1_file(sha1, &type,
411 (unsigned long *)&file->size); 411 (unsigned long *)&file->size);
412 } 412 }
413 return 1; 413 return 1;
414} 414}
415 415
416/* 416/*
417 * Receive diff-buffers from xdiff and concatenate them as 417 * Receive diff-buffers from xdiff and concatenate them as
418 * needed across multiple callbacks. 418 * needed across multiple callbacks.
419 * 419 *
420 * This is basically a copy of xdiff-interface.c/xdiff_outf(), 420 * This is basically a copy of xdiff-interface.c/xdiff_outf(),
421 * ripped from git and modified to use globals instead of 421 * ripped from git and modified to use globals instead of
422 * a special callback-struct. 422 * a special callback-struct.
423 */ 423 */
424char *diffbuf = NULL; 424char *diffbuf = NULL;
425int buflen = 0; 425int buflen = 0;
426 426
427int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf) 427int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
428{ 428{
429 int i; 429 int i;
430 430
431 for (i = 0; i < nbuf; i++) { 431 for (i = 0; i < nbuf; i++) {
432 if (mb[i].ptr[mb[i].size-1] != '\n') { 432 if (mb[i].ptr[mb[i].size-1] != '\n') {
433 /* Incomplete line */ 433 /* Incomplete line */
434 diffbuf = xrealloc(diffbuf, buflen + mb[i].size); 434 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
435 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); 435 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
436 buflen += mb[i].size; 436 buflen += mb[i].size;
437 continue; 437 continue;
438 } 438 }
439 439
440 /* we have a complete line */ 440 /* we have a complete line */
441 if (!diffbuf) { 441 if (!diffbuf) {
442 ((linediff_fn)priv)(mb[i].ptr, mb[i].size); 442 ((linediff_fn)priv)(mb[i].ptr, mb[i].size);
443 continue; 443 continue;
444 } 444 }
445 diffbuf = xrealloc(diffbuf, buflen + mb[i].size); 445 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
446 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); 446 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
447 ((linediff_fn)priv)(diffbuf, buflen + mb[i].size); 447 ((linediff_fn)priv)(diffbuf, buflen + mb[i].size);
448 free(diffbuf); 448 free(diffbuf);
449 diffbuf = NULL; 449 diffbuf = NULL;
450 buflen = 0; 450 buflen = 0;
451 } 451 }
452 if (diffbuf) { 452 if (diffbuf) {
453 ((linediff_fn)priv)(diffbuf, buflen); 453 ((linediff_fn)priv)(diffbuf, buflen);
454 free(diffbuf); 454 free(diffbuf);
455 diffbuf = NULL; 455 diffbuf = NULL;
456 buflen = 0; 456 buflen = 0;
457 } 457 }
458 return 0; 458 return 0;
459} 459}
460 460
461int cgit_diff_files(const unsigned char *old_sha1, 461int cgit_diff_files(const unsigned char *old_sha1,
462 const unsigned char *new_sha1, 462 const unsigned char *new_sha1,
463 linediff_fn fn) 463 linediff_fn fn)
464{ 464{
465 mmfile_t file1, file2; 465 mmfile_t file1, file2;
466 xpparam_t diff_params; 466 xpparam_t diff_params;
467 xdemitconf_t emit_params; 467 xdemitconf_t emit_params;
468 xdemitcb_t emit_cb; 468 xdemitcb_t emit_cb;
469 469
470 if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1)) 470 if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1))
471 return 1; 471 return 1;
472 472
473 diff_params.flags = XDF_NEED_MINIMAL; 473 diff_params.flags = XDF_NEED_MINIMAL;
474 emit_params.ctxlen = 3; 474 emit_params.ctxlen = 3;
475 emit_params.flags = XDL_EMIT_FUNCNAMES; 475 emit_params.flags = XDL_EMIT_FUNCNAMES;
476 emit_params.find_func = NULL; 476 emit_params.find_func = NULL;
477 emit_cb.outf = filediff_cb; 477 emit_cb.outf = filediff_cb;
478 emit_cb.priv = fn; 478 emit_cb.priv = fn;
479 xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb); 479 xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
480 return 0; 480 return 0;
481} 481}
482 482
483void cgit_diff_tree(const unsigned char *old_sha1, 483void cgit_diff_tree(const unsigned char *old_sha1,
484 const unsigned char *new_sha1, 484 const unsigned char *new_sha1,
485 filepair_fn fn, const char *prefix) 485 filepair_fn fn, const char *prefix)
486{ 486{
487 struct diff_options opt; 487 struct diff_options opt;
488 int ret; 488 int ret;
489 int prefixlen; 489 int prefixlen;
490 490
491 diff_setup(&opt); 491 diff_setup(&opt);
492 opt.output_format = DIFF_FORMAT_CALLBACK; 492 opt.output_format = DIFF_FORMAT_CALLBACK;
493 opt.detect_rename = 1; 493 opt.detect_rename = 1;
494 opt.rename_limit = cgit_renamelimit; 494 opt.rename_limit = cgit_renamelimit;
495 opt.recursive = 1; 495 DIFF_OPT_SET(&opt, RECURSIVE);
496 opt.format_callback = cgit_diff_tree_cb; 496 opt.format_callback = cgit_diff_tree_cb;
497 opt.format_callback_data = fn; 497 opt.format_callback_data = fn;
498 if (prefix) { 498 if (prefix) {
499 opt.nr_paths = 1; 499 opt.nr_paths = 1;
500 opt.paths = &prefix; 500 opt.paths = &prefix;
501 prefixlen = strlen(prefix); 501 prefixlen = strlen(prefix);
502 opt.pathlens = &prefixlen; 502 opt.pathlens = &prefixlen;
503 } 503 }
504 diff_setup_done(&opt); 504 diff_setup_done(&opt);
505 505
506 if (old_sha1 && !is_null_sha1(old_sha1)) 506 if (old_sha1 && !is_null_sha1(old_sha1))
507 ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt); 507 ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt);
508 else 508 else
509 ret = diff_root_tree_sha1(new_sha1, "", &opt); 509 ret = diff_root_tree_sha1(new_sha1, "", &opt);
510 diffcore_std(&opt); 510 diffcore_std(&opt);
511 diff_flush(&opt); 511 diff_flush(&opt);
512} 512}
513 513
514void cgit_diff_commit(struct commit *commit, filepair_fn fn) 514void cgit_diff_commit(struct commit *commit, filepair_fn fn)
515{ 515{
516 unsigned char *old_sha1 = NULL; 516 unsigned char *old_sha1 = NULL;
517 517
518 if (commit->parents) 518 if (commit->parents)
519 old_sha1 = commit->parents->item->object.sha1; 519 old_sha1 = commit->parents->item->object.sha1;
520 cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL); 520 cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL);
521} 521}