Merge branch 'ph/strbuf'

* ph/strbuf: (44 commits)
  Make read_patch_file work on a strbuf.
  strbuf_read_file enhancement, and use it.
  strbuf change: be sure ->buf is never ever NULL.
  double free in builtin-update-index.c
  Clean up stripspace a bit, use strbuf even more.
  Add strbuf_read_file().
  rerere: Fix use of an empty strbuf.buf
  Small cache_tree_write refactor.
  Make builtin-rerere use of strbuf nicer and more efficient.
  Add strbuf_cmp.
  strbuf_setlen(): do not barf on setting length of an empty buffer to 0
  sq_quote_argv and add_to_string rework with strbuf's.
  Full rework of quote_c_style and write_name_quoted.
  Rework unquote_c_style to work on a strbuf.
  strbuf API additions and enhancements.
  nfv?asprintf are broken without va_copy, workaround them.
  Fix the expansion pattern of the pseudo-static path buffer.
  builtin-for-each-ref.c::copy_name() - do not overstep the buffer.
  builtin-apply.c: fix a tiny leak introduced during xmemdupz() conversion.
  Use xmemdupz() in many places.
  ...

1 files changed, 7 insertions, 8 deletions

diff --git a/builtin-branch.c b/builtin-branch.c
index 5f5c1823cb..3da8b55b8f 100644
--- a/builtin-branch.c
+++ b/builtin-branch.c
@@ -268,23 +268,22 @@ static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
 	}
 
 	if (verbose) {
-		char *subject = NULL;
-		unsigned long subject_len = 0;
+		struct strbuf subject;
 		const char *sub = " **** invalid ref ****";
 
+		strbuf_init(&subject, 0);
+
 		commit = lookup_commit(item->sha1);
 		if (commit && !parse_commit(commit)) {
-			pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0,
-					    &subject, &subject_len, 0,
-					    NULL, NULL, 0);
-			sub = subject;
+			pretty_print_commit(CMIT_FMT_ONELINE, commit,
+					    &subject, 0, NULL, NULL, 0);
+			sub = subject.buf;
 		}
 		printf("%c %s%-*s%s %s %s\n", c, branch_get_color(color),
 		       maxwidth, item->name,
 		       branch_get_color(COLOR_BRANCH_RESET),
 		       find_unique_abbrev(item->sha1, abbrev), sub);
-		if (subject)
-			free(subject);
+		strbuf_release(&subject);
 	} else {
 		printf("%c %s%s%s\n", c, branch_get_color(color), item->name,
 		       branch_get_color(COLOR_BRANCH_RESET));