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odb: don't leak when detecting id ambiguity

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If we find several objects with the same prefix, we need to free the
memory where we stored the earlier object. Keep track of the raw.data
pointer across read_prefix calls and free it if we find another
object.
This commit is contained in:
Carlos Martín Nieto 2012-06-20 01:41:30 +02:00
parent cdca82c784
commit c06e000394
1 changed files with 3 additions and 0 deletions
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3
src/odb.c
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@ -559,6 +559,7 @@ int git_odb_read_prefix(
int error = GIT_ENOTFOUND;
git_oid found_full_oid = {{0}};
git_rawobj raw;
void *data = NULL;
bool found = false;
assert(out && db);
@ -588,6 +589,8 @@ int git_odb_read_prefix(
if (error)
return error;
git__free(data);
data = raw.data;
if (found && git_oid_cmp(&full_oid, &found_full_oid))
return git_odb__error_ambiguous("multiple matches for prefix");
found_full_oid = full_oid;