diff options
| -rw-r--r-- | hash.h | 2 | ||||
| -rw-r--r-- | sha1-file.c | 8 |
2 files changed, 10 insertions, 0 deletions
@@ -131,6 +131,8 @@ extern const struct git_hash_algo hash_algos[GIT_HASH_NALGOS]; int hash_algo_by_name(const char *name); /* Identical, except based on the format ID. */ int hash_algo_by_id(uint32_t format_id); +/* Identical, except based on the length. */ +int hash_algo_by_length(int len); /* Identical, except for a pointer to struct git_hash_algo. */ static inline int hash_algo_by_ptr(const struct git_hash_algo *p) { diff --git a/sha1-file.c b/sha1-file.c index 494606f771..bcd9470bce 100644 --- a/sha1-file.c +++ b/sha1-file.c @@ -189,6 +189,14 @@ int hash_algo_by_id(uint32_t format_id) return GIT_HASH_UNKNOWN; } +int hash_algo_by_length(int len) +{ + int i; + for (i = 1; i < GIT_HASH_NALGOS; i++) + if (len == hash_algos[i].rawsz) + return i; + return GIT_HASH_UNKNOWN; +} /* * This is meant to hold a *small* number of objects that you would |