all repos — cgit @ fab385ef5ca516dcda79df87eb926eccdda64a54

a hyperfast web frontend for git written in c

print_tag_downloads(): Free ref variable

Make sure the ref variable is freed if we build a
"$basename-$version"-style ref.

This fixes following memory leak seen with "PATH_INFO=/cgit/refs/":

    ==8784== 323 bytes in 29 blocks are definitely lost in loss record 41 of 53
    ==8784==    at 0x4C2C04B: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
    ==8784==    by 0x56F2DF1: strdup (in /usr/lib/libc-2.17.so)
    ==8784==    by 0x46CA28: xstrdup (wrapper.c:35)
    ==8784==    by 0x410DA6: print_tag_downloads (ui-refs.c:115)
    ==8784==    by 0x410F02: print_tag (ui-refs.c:141)
    ==8784==    by 0x41128B: cgit_print_tags (ui-refs.c:230)
    ==8784==    by 0x41134D: cgit_print_refs (ui-refs.c:250)
    ==8784==    by 0x407C85: refs_fn (cmd.c:105)
    ==8784==    by 0x405DDF: process_request (cgit.c:566)
    ==8784==    by 0x407490: cache_process (cache.c:322)
    ==8784==    by 0x406C18: main (cgit.c:864)

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
Lukas Fleischer cgit@cryptocrack.de
Mon, 04 Mar 2013 13:25:34 +0100
commit

fab385ef5ca516dcda79df87eb926eccdda64a54

parent

1268afe83692cb8a9ea839ab979d82458da2d03d

1 files changed, 7 insertions(+), 1 deletions(-)

jump to
M ui-refs.cui-refs.c

@@ -103,6 +103,7 @@ {

const struct cgit_snapshot_format* f; char *filename; const char *basename; + int free_ref = 0; if (!ref || strlen(ref) < 2) return;

@@ -111,8 +112,10 @@ basename = cgit_repobasename(repo->url);

if (prefixcmp(ref, basename) != 0) { if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1])) ref++; - if (isdigit(ref[0])) + if (isdigit(ref[0])) { ref = xstrdup(fmt("%s-%s", basename, ref)); + free_ref = 1; + } } for (f = cgit_snapshot_formats; f->suffix; f++) {

@@ -122,6 +125,9 @@ filename = fmt("%s%s", ref, f->suffix);

cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename); html("&nbsp;&nbsp;"); } + + if (free_ref) + free((char *)ref); } static int print_tag(struct refinfo *ref) {