[PATCH 2/2] fast-import: use struct hash_table for objects
From: David Barr <hidden>
Date: 2016-06-15 22:50:57
Subsystem:
the rest · Maintainer:
Linus Torvalds
Signed-off-by: David Barr <redacted> --- fast-import.c | 19 ++++++++++++------- 1 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/fast-import.c b/fast-import.c
index 0592b21..8fd8ea9 100644
--- a/fast-import.c
+++ b/fast-import.c@@ -313,7 +313,7 @@ static off_t pack_size; /* Table of objects we've written. */ static unsigned int object_entry_alloc = 5000; static struct object_entry_pool *blocks; -static struct object_entry *object_table[1 << 16]; +static struct hash_table object_table; static struct mark_set *marks; static const char *export_marks_file; static const char *import_marks_file;
@@ -555,9 +555,9 @@ static struct object_entry *new_object(unsigned char *sha1) static struct object_entry *find_object(unsigned char *sha1) { - unsigned int h = sha1[0] << 8 | sha1[1]; + unsigned int h = sha1[0] << 24 | sha1[1] << 16 | sha1[2] << 8 | sha1[3]; struct object_entry *e; - for (e = object_table[h]; e; e = e->next) + for (e = lookup_hash(h, &object_table); e; e = e->next) if (!hashcmp(sha1, e->idx.sha1)) return e; return NULL;
@@ -565,8 +565,9 @@ static struct object_entry *find_object(unsigned char *sha1) static struct object_entry *insert_object(unsigned char *sha1) { - unsigned int h = sha1[0] << 8 | sha1[1]; - struct object_entry *e = object_table[h]; + unsigned int h = sha1[0] << 24 | sha1[1] << 16 | sha1[2] << 8 | sha1[3]; + struct object_entry *e = lookup_hash(h, &object_table); + void **pos; while (e) { if (!hashcmp(sha1, e->idx.sha1))
@@ -575,9 +576,13 @@ static struct object_entry *insert_object(unsigned char *sha1) } e = new_object(sha1); - e->next = object_table[h]; + e->next = NULL; e->idx.offset = 0; - object_table[h] = e; + pos = insert_hash(h, e, &object_table); + if (pos) { + e->next = *pos; + *pos = e; + } return e; }
--
1.7.3.2.846.gf4b062