Fourth batch for 2.14
[gitweb.git] / combine-diff.c
index 0f62f54b5ef4bb4ec81cff5aead2d6cd66da194e..2848034fe9c3f3cc1d930347e892cee1cbed4f52 100644 (file)
@@ -44,9 +44,9 @@ static struct combine_diff_path *intersect_paths(struct combine_diff_path *curr,
                        memset(p->parent, 0,
                               sizeof(p->parent[0]) * num_parent);
 
-                       hashcpy(p->oid.hash, q->queue[i]->two->sha1);
+                       oidcpy(&p->oid, &q->queue[i]->two->oid);
                        p->mode = q->queue[i]->two->mode;
-                       hashcpy(p->parent[n].oid.hash, q->queue[i]->one->sha1);
+                       oidcpy(&p->parent[n].oid, &q->queue[i]->one->oid);
                        p->parent[n].mode = q->queue[i]->one->mode;
                        p->parent[n].status = q->queue[i]->status;
                        *tail = p;
@@ -77,7 +77,7 @@ static struct combine_diff_path *intersect_paths(struct combine_diff_path *curr,
                        continue;
                }
 
-               hashcpy(p->parent[n].oid.hash, q->queue[i]->one->sha1);
+               oidcpy(&p->parent[n].oid, &q->queue[i]->one->oid);
                p->parent[n].mode = q->queue[i]->one->mode;
                p->parent[n].status = q->queue[i]->status;
 
@@ -189,11 +189,11 @@ static struct lline *coalesce_lines(struct lline *base, int *lenbase,
         *   - Else if we have NEW, insert newend lline into base and
         *   consume newend
         */
-       lcs = xcalloc(origbaselen + 1, sizeof(int*));
-       directions = xcalloc(origbaselen + 1, sizeof(enum coalesce_direction*));
+       lcs = xcalloc(st_add(origbaselen, 1), sizeof(int*));
+       directions = xcalloc(st_add(origbaselen, 1), sizeof(enum coalesce_direction*));
        for (i = 0; i < origbaselen + 1; i++) {
-               lcs[i] = xcalloc(lennew + 1, sizeof(int));
-               directions[i] = xcalloc(lennew + 1, sizeof(enum coalesce_direction));
+               lcs[i] = xcalloc(st_add(lennew, 1), sizeof(int));
+               directions[i] = xcalloc(st_add(lennew, 1), sizeof(enum coalesce_direction));
                directions[i][0] = BASE;
        }
        for (j = 1; j < lennew + 1; j++)
@@ -292,9 +292,10 @@ static char *grab_blob(const struct object_id *oid, unsigned int mode,
        enum object_type type;
 
        if (S_ISGITLINK(mode)) {
-               blob = xmalloc(100);
-               *size = snprintf(blob, 100,
-                                "Subproject commit %s\n", oid_to_hex(oid));
+               struct strbuf buf = STRBUF_INIT;
+               strbuf_addf(&buf, "Subproject commit %s\n", oid_to_hex(oid));
+               *size = buf.len;
+               blob = strbuf_detach(&buf, NULL);
        } else if (is_null_oid(oid)) {
                /* deleted blob */
                *size = 0;
@@ -319,7 +320,7 @@ static void append_lost(struct sline *sline, int n, const char *line, int len)
        if (line[len-1] == '\n')
                len--;
 
-       lline = xmalloc(sizeof(*lline) + len + 1);
+       FLEX_ALLOC_MEM(lline, line, line, len);
        lline->len = len;
        lline->next = NULL;
        lline->prev = sline->plost.lost_tail;
@@ -330,8 +331,6 @@ static void append_lost(struct sline *sline, int n, const char *line, int len)
        sline->plost.lost_tail = lline;
        sline->plost.len++;
        lline->parent_map = this_mask;
-       memcpy(lline->line, line, len);
-       lline->line[len] = 0;
 }
 
 struct combine_diff_state {
@@ -1007,8 +1006,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
                        struct strbuf buf = STRBUF_INIT;
 
                        if (strbuf_readlink(&buf, elem->path, st.st_size) < 0) {
-                               error("readlink(%s): %s", elem->path,
-                                     strerror(errno));
+                               error_errno("readlink(%s)", elem->path);
                                return;
                        }
                        result_size = buf.len;
@@ -1043,7 +1041,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
                                elem->mode = canon_mode(S_IFLNK);
 
                        result_size = len;
-                       result = xmalloc(len + 1);
+                       result = xmallocz(len);
 
                        done = read_in_full(fd, result, len);
                        if (done < 0)
@@ -1051,8 +1049,6 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
                        else if (done < len)
                                die("early EOF '%s'", elem->path);
 
-                       result[len] = 0;
-
                        /* If not a fake symlink, apply filters, e.g. autocrlf */
                        if (is_file) {
                                struct strbuf buf = STRBUF_INIT;
@@ -1115,7 +1111,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
        if (result_size && result[result_size-1] != '\n')
                cnt++; /* incomplete line */
 
-       sline = xcalloc(cnt+2, sizeof(*sline));
+       sline = xcalloc(st_add(cnt, 2), sizeof(*sline));
        sline[0].bol = result;
        for (lno = 0, cp = result; cp < result + result_size; cp++) {
                if (*cp == '\n') {
@@ -1134,7 +1130,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
        /* Even p_lno[cnt+1] is valid -- that is for the end line number
         * for deletion hunk at the end.
         */
-       sline[0].p_lno = xcalloc((cnt+2) * num_parent, sizeof(unsigned long));
+       sline[0].p_lno = xcalloc(st_mult(st_add(cnt, 2), num_parent), sizeof(unsigned long));
        for (lno = 0; lno <= cnt; lno++)
                sline[lno+1].p_lno = sline[lno].p_lno + num_parent;
 
@@ -1208,9 +1204,9 @@ static void show_raw_diff(struct combine_diff_path *p, int num_parent, struct re
 
                /* Show sha1's */
                for (i = 0; i < num_parent; i++)
-                       printf(" %s", diff_unique_abbrev(p->parent[i].oid.hash,
-                                                        opt->abbrev));
-               printf(" %s ", diff_unique_abbrev(p->oid.hash, opt->abbrev));
+                       printf(" %s", diff_aligned_abbrev(&p->parent[i].oid,
+                                                         opt->abbrev));
+               printf(" %s ", diff_aligned_abbrev(&p->oid, opt->abbrev));
        }
 
        if (opt->output_format & (DIFF_FORMAT_RAW | DIFF_FORMAT_NAME_STATUS)) {
@@ -1266,23 +1262,23 @@ static struct diff_filepair *combined_pair(struct combine_diff_path *p,
        struct diff_filespec *pool;
 
        pair = xmalloc(sizeof(*pair));
-       pool = xcalloc(num_parent + 1, sizeof(struct diff_filespec));
+       pool = xcalloc(st_add(num_parent, 1), sizeof(struct diff_filespec));
        pair->one = pool + 1;
        pair->two = pool;
 
        for (i = 0; i < num_parent; i++) {
                pair->one[i].path = p->path;
                pair->one[i].mode = p->parent[i].mode;
-               hashcpy(pair->one[i].sha1, p->parent[i].oid.hash);
-               pair->one[i].sha1_valid = !is_null_oid(&p->parent[i].oid);
+               oidcpy(&pair->one[i].oid, &p->parent[i].oid);
+               pair->one[i].oid_valid = !is_null_oid(&p->parent[i].oid);
                pair->one[i].has_more_entries = 1;
        }
        pair->one[num_parent - 1].has_more_entries = 0;
 
        pair->two->path = p->path;
        pair->two->mode = p->mode;
-       hashcpy(pair->two->sha1, p->oid.hash);
-       pair->two->sha1_valid = !is_null_oid(&p->oid);
+       oidcpy(&pair->two->oid, &p->oid);
+       pair->two->oid_valid = !is_null_oid(&p->oid);
        return pair;
 }
 
@@ -1316,7 +1312,7 @@ static const char *path_path(void *obj)
 
 /* find set of paths that every parent touches */
 static struct combine_diff_path *find_paths_generic(const unsigned char *sha1,
-       const struct sha1_array *parents, struct diff_options *opt)
+       const struct oid_array *parents, struct diff_options *opt)
 {
        struct combine_diff_path *paths = NULL;
        int i, num_parent = parents->nr;
@@ -1340,7 +1336,7 @@ static struct combine_diff_path *find_paths_generic(const unsigned char *sha1,
                        opt->output_format = stat_opt;
                else
                        opt->output_format = DIFF_FORMAT_NO_OUTPUT;
-               diff_tree_sha1(parents->sha1[i], sha1, "", opt);
+               diff_tree_sha1(parents->oid[i].hash, sha1, "", opt);
                diffcore_std(opt);
                paths = intersect_paths(paths, i, num_parent);
 
@@ -1364,7 +1360,7 @@ static struct combine_diff_path *find_paths_generic(const unsigned char *sha1,
  * rename/copy detection, etc, comparing all trees simultaneously (= faster).
  */
 static struct combine_diff_path *find_paths_multitree(
-       const unsigned char *sha1, const struct sha1_array *parents,
+       const unsigned char *sha1, const struct oid_array *parents,
        struct diff_options *opt)
 {
        int i, nparent = parents->nr;
@@ -1372,9 +1368,9 @@ static struct combine_diff_path *find_paths_multitree(
        struct combine_diff_path paths_head;
        struct strbuf base;
 
-       parents_sha1 = xmalloc(nparent * sizeof(parents_sha1[0]));
+       ALLOC_ARRAY(parents_sha1, nparent);
        for (i = 0; i < nparent; i++)
-               parents_sha1[i] = parents->sha1[i];
+               parents_sha1[i] = parents->oid[i].hash;
 
        /* fake list head, so worker can assume it is non-NULL */
        paths_head.next = NULL;
@@ -1389,7 +1385,7 @@ static struct combine_diff_path *find_paths_multitree(
 
 
 void diff_tree_combined(const unsigned char *sha1,
-                       const struct sha1_array *parents,
+                       const struct oid_array *parents,
                        int dense,
                        struct rev_info *rev)
 {
@@ -1467,7 +1463,7 @@ void diff_tree_combined(const unsigned char *sha1,
                if (stat_opt) {
                        diffopts.output_format = stat_opt;
 
-                       diff_tree_sha1(parents->sha1[0], sha1, "", &diffopts);
+                       diff_tree_sha1(parents->oid[0].hash, sha1, "", &diffopts);
                        diffcore_std(&diffopts);
                        if (opt->orderfile)
                                diffcore_order(opt->orderfile);
@@ -1483,7 +1479,7 @@ void diff_tree_combined(const unsigned char *sha1,
        if (opt->orderfile && num_paths) {
                struct obj_order *o;
 
-               o = xmalloc(sizeof(*o) * num_paths);
+               ALLOC_ARRAY(o, num_paths);
                for (i = 0, p = paths; p; p = p->next, i++)
                        o[i].obj = p;
                order_objects(opt->orderfile, path_path, o, num_paths);
@@ -1530,19 +1526,19 @@ void diff_tree_combined(const unsigned char *sha1,
                free(tmp);
        }
 
-       free_pathspec(&diffopts.pathspec);
+       clear_pathspec(&diffopts.pathspec);
 }
 
 void diff_tree_combined_merge(const struct commit *commit, int dense,
                              struct rev_info *rev)
 {
        struct commit_list *parent = get_saved_parents(rev, commit);
-       struct sha1_array parents = SHA1_ARRAY_INIT;
+       struct oid_array parents = OID_ARRAY_INIT;
 
        while (parent) {
-               sha1_array_append(&parents, parent->item->object.sha1);
+               oid_array_append(&parents, &parent->item->object.oid);
                parent = parent->next;
        }
-       diff_tree_combined(commit->object.sha1, &parents, dense, rev);
-       sha1_array_clear(&parents);
+       diff_tree_combined(commit->object.oid.hash, &parents, dense, rev);
+       oid_array_clear(&parents);
 }