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authorJunio C Hamano <gitster@pobox.com>2014-03-28 13:51:24 -0700
committerJunio C Hamano <gitster@pobox.com>2014-03-28 13:51:24 -0700
commit40adf520a306220ebaedee72528efd1d0c4840ce (patch)
tree4b332646cdd7c1a1aabf5b2b255209ea159e730f /fsck.c
parent97345145ff33286af6c14260432f5edfb56fdc82 (diff)
parent2d820a61dfd50d50cafab47f75a507f3e6657e9b (diff)
downloadgit-40adf520a306220ebaedee72528efd1d0c4840ce.tar.gz
Merge branch 'ys/fsck-commit-parsing'
* ys/fsck-commit-parsing: fsck.c:fsck_commit(): use skip_prefix() to verify and skip constant fsck.c:fsck_ident(): ident points at a const string
Diffstat (limited to 'fsck.c')
-rw-r--r--fsck.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/fsck.c b/fsck.c
index 64bf279fd7..b3022ad983 100644
--- a/fsck.c
+++ b/fsck.c
@@ -243,7 +243,7 @@ static int fsck_tree(struct tree *item, int strict, fsck_error error_func)
return retval;
}
-static int fsck_ident(char **ident, struct object *obj, fsck_error error_func)
+static int fsck_ident(const char **ident, struct object *obj, fsck_error error_func)
{
char *end;
@@ -284,21 +284,23 @@ static int fsck_ident(char **ident, struct object *obj, fsck_error error_func)
static int fsck_commit(struct commit *commit, fsck_error error_func)
{
- char *buffer = commit->buffer;
+ const char *buffer = commit->buffer, *tmp;
unsigned char tree_sha1[20], sha1[20];
struct commit_graft *graft;
int parents = 0;
int err;
- if (memcmp(buffer, "tree ", 5))
+ buffer = skip_prefix(buffer, "tree ");
+ if (!buffer)
return error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'tree' line");
- if (get_sha1_hex(buffer+5, tree_sha1) || buffer[45] != '\n')
+ if (get_sha1_hex(buffer, tree_sha1) || buffer[40] != '\n')
return error_func(&commit->object, FSCK_ERROR, "invalid 'tree' line format - bad sha1");
- buffer += 46;
- while (!memcmp(buffer, "parent ", 7)) {
- if (get_sha1_hex(buffer+7, sha1) || buffer[47] != '\n')
+ buffer += 41;
+ while ((tmp = skip_prefix(buffer, "parent "))) {
+ buffer = tmp;
+ if (get_sha1_hex(buffer, sha1) || buffer[40] != '\n')
return error_func(&commit->object, FSCK_ERROR, "invalid 'parent' line format - bad sha1");
- buffer += 48;
+ buffer += 41;
parents++;
}
graft = lookup_commit_graft(commit->object.sha1);
@@ -322,15 +324,15 @@ static int fsck_commit(struct commit *commit, fsck_error error_func)
if (p || parents)
return error_func(&commit->object, FSCK_ERROR, "parent objects missing");
}
- if (memcmp(buffer, "author ", 7))
+ buffer = skip_prefix(buffer, "author ");
+ if (!buffer)
return error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'author' line");
- buffer += 7;
err = fsck_ident(&buffer, &commit->object, error_func);
if (err)
return err;
- if (memcmp(buffer, "committer ", strlen("committer ")))
+ buffer = skip_prefix(buffer, "committer ");
+ if (!buffer)
return error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'committer' line");
- buffer += strlen("committer ");
err = fsck_ident(&buffer, &commit->object, error_func);
if (err)
return err;