proxmox-mirrors/libgit2
1
0
Fork 0
mirror of https://git.proxmox.com/git/libgit2 synced 2025-05-09 07:20:07 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Minor tree cache speedups

Browse Source 
While I was looking at the conflict cleanup code, I looked over at
the tree cache code, since we clear the tree cache for each entry
that gets removed and there is some redundancy there.  I made some
small tweaks to avoid extra calls to strchr and strlen in a few
circumstances.
This commit is contained in:
Russell Belfer 2014-03-14 22:01:30 -07:00
parent aba6b5edbd
commit 1fa17b5c92
2 changed files with 11 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
src/tree-cache.c
View File

@ -7,23 +7,16 @@
#include "tree-cache.h"
static git_tree_cache *find_child(const git_tree_cache *tree, const char *path)
static git_tree_cache *find_child(
const git_tree_cache *tree, const char *path, const char *end)
{
size_t i, dirlen;
const char *end;
end = strchr(path, '/');
if (end == NULL) {
end = strrchr(path, '\0');
}
dirlen = end - path;
size_t i, dirlen = end ? (size_t)(end - path) : strlen(path);
for (i = 0; i < tree->children_count; ++i) {
const char *childname = tree->children[i]->name;
git_tree_cache *child = tree->children[i];
if (strlen(childname) == dirlen && !memcmp(path, childname, dirlen))
return tree->children[i];
if (child->namelen == dirlen && !memcmp(path, child->name, dirlen))
return child;
}
return NULL;
@ -44,7 +37,7 @@ void git_tree_cache_invalidate_path(git_tree_cache *tree, const char *path)
if (end == NULL) /* End of path */
break;
tree = find_child(tree, ptr);
tree = find_child(tree, ptr, end);
if (tree == NULL) /* We don't have that tree */
return;
@ -64,10 +57,9 @@ const git_tree_cache *git_tree_cache_get(const git_tree_cache *tree, const char
while (1) {
end = strchr(ptr, '/');
tree = find_child(tree, ptr);
if (tree == NULL) { /* Can't find it */
tree = find_child(tree, ptr, end);
if (tree == NULL) /* Can't find it */
return NULL;
}
if (end == NULL || *end + 1 == '\0')
return tree;
@ -100,6 +92,7 @@ static int read_tree_internal(git_tree_cache **out,
tree->parent = parent;
/* NUL-terminated tree name */
tree->namelen = name_len;
memcpy(tree->name, name_start, name_len);
tree->name[name_len] = '\0';

1
src/tree-cache.h
View File

@ -18,6 +18,7 @@ struct git_tree_cache {
ssize_t entries;
git_oid oid;
size_t namelen;
char name[GIT_FLEX_ARRAY];
};