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diff --git a/shared.c b/shared.c index bf0581f..f063894 100644 --- a/ shared.c+++ b/ shared.c |
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@@ -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 | |
318 | char *strlpart(char *txt, int maxlen) |
318 | char *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 | |
334 | char *strrpart(char *txt, int maxlen) |
334 | char *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 | |
349 | void cgit_add_ref(struct reflist *list, struct refinfo *ref) |
349 | void 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 | |
361 | struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1) |
361 | struct 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 | |
379 | int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags, |
379 | int 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 | |
390 | void cgit_diff_tree_cb(struct diff_queue_struct *q, |
390 | void 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 | |
402 | static int load_mmfile(mmfile_t *file, const unsigned char *sha1) |
402 | static 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 | */ |
424 | char *diffbuf = NULL; |
424 | char *diffbuf = NULL; |
425 | int buflen = 0; |
425 | int buflen = 0; |
426 | |
426 | |
427 | int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf) |
427 | int 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 | |
461 | int cgit_diff_files(const unsigned char *old_sha1, |
461 | int 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 | |
483 | void cgit_diff_tree(const unsigned char *old_sha1, |
483 | void 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 | |
514 | void cgit_diff_commit(struct commit *commit, filepair_fn fn) |
514 | void 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 | } |
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