regex: use regexec_buf()

diff --git a/revision.c b/revision.c
index 14daefb174501950abdcecd89e49bb3856b9afbb..8b2dfe3160784f9780cf541a674fe89100d38a93 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -25,69 +25,13 @@ volatile show_early_output_fn_t show_early_output;
 static const char *term_bad;
 static const char *term_good;
 
-char *path_name(const struct name_path *path, const char *name)
-{
-       const struct name_path *p;
-       char *n, *m;
-       int nlen = strlen(name);
-       int len = nlen + 1;
-
-       for (p = path; p; p = p->up) {
-               if (p->elem_len)
-                       len += p->elem_len + 1;
-       }
-       n = xmalloc(len);
-       m = n + len - (nlen + 1);
-       memcpy(m, name, nlen + 1);
-       for (p = path; p; p = p->up) {
-               if (p->elem_len) {
-                       m -= p->elem_len + 1;
-                       memcpy(m, p->elem, p->elem_len);
-                       m[p->elem_len] = '/';
-               }
-       }
-       return n;
-}
-
-static int show_path_component_truncated(FILE *out, const char *name, int len)
-{
-       int cnt;
-       for (cnt = 0; cnt < len; cnt++) {
-               int ch = name[cnt];
-               if (!ch || ch == '\n')
-                       return -1;
-               fputc(ch, out);
-       }
-       return len;
-}
-
-static int show_path_truncated(FILE *out, const struct name_path *path)
-{
-       int emitted, ours;
-
-       if (!path)
-               return 0;
-       emitted = show_path_truncated(out, path->up);
-       if (emitted < 0)
-               return emitted;
-       if (emitted)
-               fputc('/', out);
-       ours = show_path_component_truncated(out, path->elem, path->elem_len);
-       if (ours < 0)
-               return ours;
-       return ours || emitted;
-}
-
-void show_object_with_name(FILE *out, struct object *obj,
-                          const struct name_path *path, const char *component)
+void show_object_with_name(FILE *out, struct object *obj, const char *name)
 {
-       struct name_path leaf;
-       leaf.up = (struct name_path *)path;
-       leaf.elem = component;
-       leaf.elem_len = strlen(component);
+       const char *p;
 
        fprintf(out, "%s ", oid_to_hex(&obj->oid));
-       show_path_truncated(out, &leaf);
+       for (p = name; *p && *p != '\n'; p++)
+               fputc(*p, out);
        fputc('\n', out);
 }
 
@@ -540,7 +484,7 @@ struct treesame_state {
 static struct treesame_state *initialise_treesame(struct rev_info *revs, struct commit *commit)
 {
        unsigned n = commit_list_count(commit->parents);
-       struct treesame_state *st = xcalloc(1, sizeof(*st) + n);
+       struct treesame_state *st = xcalloc(1, st_add(sizeof(*st), n));
        st->nparents = n;
        add_decoration(&revs->treesame, &commit->object, st);
        return st;
@@ -1635,10 +1579,7 @@ static void append_prune_data(struct cmdline_pathspec *prune, const char **av)
 static void read_pathspec_from_stdin(struct rev_info *revs, struct strbuf *sb,
                                     struct cmdline_pathspec *prune)
 {
-       while (strbuf_getwholeline(sb, stdin, '\n') != EOF) {
-               int len = sb->len;
-               if (len && sb->buf[len - 1] == '\n')
-                       sb->buf[--len] = '\0';
+       while (strbuf_getline(sb, stdin) != EOF) {
                ALLOC_GROW(prune->path, prune->nr + 1, prune->alloc);
                prune->path[prune->nr++] = xstrdup(sb->buf);
        }
@@ -1655,10 +1596,8 @@ static void read_revisions_from_stdin(struct rev_info *revs,
        warn_on_object_refname_ambiguity = 0;
 
        strbuf_init(&sb, 1000);
-       while (strbuf_getwholeline(&sb, stdin, '\n') != EOF) {
+       while (strbuf_getline(&sb, stdin) != EOF) {
                int len = sb.len;
-               if (len && sb.buf[len - 1] == '\n')
-                       sb.buf[--len] = '\0';
                if (!len)
                        break;
                if (sb.buf[0] == '-') {