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author | Vicent Marti <tanoku@gmail.com> | 2015-12-16 17:00:25 +0100 |
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committer | Vicent Marti <tanoku@gmail.com> | 2015-12-16 17:04:08 +0100 |
commit | d7d46cfbfd19983ee71b53607abcaf55872be83a (patch) | |
tree | f6ad3bde9a6aa3062ce3ac1b3d39b9a87a4a8d49 | |
parent | 0cc20a8c487cae629ea269fec3173f5647c38d0c (diff) | |
download | libgit2-d7d46cfbfd19983ee71b53607abcaf55872be83a.tar.gz |
index: Preallocate the entries vector with size hint
-rw-r--r-- | src/index.c | 8 | ||||
-rw-r--r-- | src/vector.c | 7 | ||||
-rw-r--r-- | src/vector.h | 1 |
3 files changed, 16 insertions, 0 deletions
diff --git a/src/index.c b/src/index.c index 04acd4f04..03873f427 100644 --- a/src/index.c +++ b/src/index.c @@ -1556,11 +1556,19 @@ int git_index__fill(git_index *index, const git_vector *source_entries) assert(index); + if (!source_entries->length) + return 0; + if (git_mutex_lock(&index->lock) < 0) { giterr_set(GITERR_OS, "Unable to acquire index lock"); return -1; } + if (git_vector_size_hint(&index->entries, source_entries->length) < 0) { + git_mutex_unlock(&index->lock); + return -1; + } + git_vector_foreach(source_entries, i, source_entry) { git_index_entry *entry = NULL; diff --git a/src/vector.c b/src/vector.c index 93d09bb5b..a81d463ef 100644 --- a/src/vector.c +++ b/src/vector.c @@ -40,6 +40,13 @@ GIT_INLINE(int) resize_vector(git_vector *v, size_t new_size) return 0; } +int git_vector_size_hint(git_vector *v, size_t size_hint) +{ + if (v->_alloc_size >= size_hint) + return 0; + return resize_vector(v, size_hint); +} + int git_vector_dup(git_vector *v, const git_vector *src, git_vector_cmp cmp) { size_t bytes; diff --git a/src/vector.h b/src/vector.h index aac46c4b3..b7500ded3 100644 --- a/src/vector.h +++ b/src/vector.h @@ -32,6 +32,7 @@ void git_vector_free_deep(git_vector *v); /* free each entry and self */ void git_vector_clear(git_vector *v); int git_vector_dup(git_vector *v, const git_vector *src, git_vector_cmp cmp); void git_vector_swap(git_vector *a, git_vector *b); +int git_vector_size_hint(git_vector *v, size_t size_hint); void **git_vector_detach(size_t *size, size_t *asize, git_vector *v); |