use of starts_with() instead of memcmp()

use of skip_prefix instead of memcmp() and strlen()

Signed-off-by: Othman Darraz <darraz...@gmail.com>
---

I am planning to apply to GSOC 214
 fsck.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fsck.c b/fsck.c
index 64bf279..5eae856 100644
--- a/fsck.c
+++ b/fsck.c
@@ -290,7 +290,7 @@ static int fsck_commit(struct commit *commit, fsck_error 
error_func)
        int parents = 0;
        int err;
 
-       if (memcmp(buffer, "tree ", 5))
+       if (starts_with(buffer, "tree "))
                return error_func(&commit->object, FSCK_ERROR, "invalid format 
- expected 'tree' line");
        if (get_sha1_hex(buffer+5, tree_sha1) || buffer[45] != '\n')
                return error_func(&commit->object, FSCK_ERROR, "invalid 'tree' 
line format - bad sha1");
@@ -322,15 +322,15 @@ 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))
+       if (starts_with(buffer, "author "))
                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 = (char* )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;
-- 
1.9.0.258.g00eda23.dirty

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