diff options
Diffstat (limited to 'combine-diff.c')
| -rw-r--r-- | combine-diff.c | 43 |
1 files changed, 22 insertions, 21 deletions
diff --git a/combine-diff.c b/combine-diff.c index 0b071b6e25..61626912e3 100644 --- a/combine-diff.c +++ b/combine-diff.c @@ -24,7 +24,7 @@ static struct combine_diff_path *intersect_paths(struct combine_diff_path *curr, path = q->queue[i]->two->path; len = strlen(path); p = xmalloc(combine_diff_path_size(num_parent, len)); - p->path = (char*) &(p->parent[num_parent]); + p->path = (char *) &(p->parent[num_parent]); memcpy(p->path, path, len); p->path[len] = 0; p->len = len; @@ -80,6 +80,7 @@ struct lline { /* Lines surviving in the merge result */ struct sline { struct lline *lost_head, **lost_tail; + struct lline *next_lost; char *bol; int len; /* bit 0 up to (N-1) are on if the parent has this line (i.e. @@ -121,18 +122,12 @@ static void append_lost(struct sline *sline, int n, const char *line, int len) /* Check to see if we can squash things */ if (sline->lost_head) { - struct lline *last_one = NULL; - /* We cannot squash it with earlier one */ - for (lline = sline->lost_head; - lline; - lline = lline->next) - if (lline->parent_map & this_mask) - last_one = lline; - lline = last_one ? last_one->next : sline->lost_head; + lline = sline->next_lost; while (lline) { if (lline->len == len && !memcmp(lline->line, line, len)) { lline->parent_map |= this_mask; + sline->next_lost = lline->next; return; } lline = lline->next; @@ -147,6 +142,7 @@ static void append_lost(struct sline *sline, int n, const char *line, int len) lline->line[len] = 0; *sline->lost_tail = lline; sline->lost_tail = &lline->next; + sline->next_lost = NULL; } struct combine_diff_state { @@ -168,25 +164,28 @@ static void consume_line(void *state_, char *line, unsigned long len) &state->nb, &state->nn)) return; state->lno = state->nb; - if (!state->nb) - /* @@ -1,2 +0,0 @@ to remove the - * first two lines... - */ - state->nb = 1; - if (state->nn == 0) + if (state->nn == 0) { /* @@ -X,Y +N,0 @@ removed Y lines * that would have come *after* line N * in the result. Our lost buckets hang * to the line after the removed lines, + * + * Note that this is correct even when N == 0, + * in which case the hunk removes the first + * line in the file. */ state->lost_bucket = &state->sline[state->nb]; - else + if (!state->nb) + state->nb = 1; + } else { state->lost_bucket = &state->sline[state->nb-1]; + } if (!state->sline[state->nb-1].p_lno) state->sline[state->nb-1].p_lno = xcalloc(state->num_parent, sizeof(unsigned long)); state->sline[state->nb-1].p_lno[state->n] = state->ob; + state->lost_bucket->next_lost = state->lost_bucket->lost_head; return; } if (!state->lost_bucket) @@ -525,6 +524,7 @@ static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent, int i; unsigned long lno = 0; const char *c_frag = diff_get_color(use_color, DIFF_FRAGINFO); + const char *c_func = diff_get_color(use_color, DIFF_FUNCINFO); const char *c_new = diff_get_color(use_color, DIFF_FILE_NEW); const char *c_old = diff_get_color(use_color, DIFF_FILE_OLD); const char *c_plain = diff_get_color(use_color, DIFF_PLAIN); @@ -534,7 +534,6 @@ static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent, return; /* result deleted */ while (1) { - struct sline *sl = &sline[lno]; unsigned long hunk_end; unsigned long rlines; const char *hunk_comment = NULL; @@ -590,7 +589,9 @@ static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent, comment_end = i; } if (comment_end) - putchar(' '); + printf("%s%s %s%s", c_reset, + c_plain, c_reset, + c_func); for (i = 0; i < comment_end; i++) putchar(hunk_comment[i]); } @@ -600,7 +601,7 @@ static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent, struct lline *ll; int j; unsigned long p_mask; - sl = &sline[lno++]; + struct sline *sl = &sline[lno++]; ll = (sl->flag & no_pre_delete) ? NULL : sl->lost_head; while (ll) { fputs(c_old, stdout); @@ -747,7 +748,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent, done = read_in_full(fd, result, len); if (done < 0) - die("read error '%s'", elem->path); + die_errno("read error '%s'", elem->path); else if (done < len) die("early EOF '%s'", elem->path); @@ -1064,7 +1065,7 @@ void diff_tree_combined_merge(const unsigned char *sha1, for (parents = commit->parents, num_parent = 0; parents; parents = parents->next, num_parent++) - hashcpy((unsigned char*)(parent + num_parent), + hashcpy((unsigned char *)(parent + num_parent), parents->item->object.sha1); diff_tree_combined(sha1, parent, num_parent, dense, rev); } |