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file_sys/fsmitm_romfsbuild: Utilize a string_view in romfs_calc_path_hash()

The given string instance doesn't need to be copied entirely, we can
just use a view instead.
This commit is contained in:
Lioncash 2019-04-05 15:11:12 -04:00
parent 66be5150d6
commit 28e36de56f

View file

@ -23,6 +23,7 @@
*/
#include <cstring>
#include <string_view>
#include "common/alignment.h"
#include "common/assert.h"
#include "core/file_sys/fsmitm_romfsbuild.h"
@ -97,7 +98,8 @@ struct RomFSBuildFileContext {
VirtualFile source;
};
static u32 romfs_calc_path_hash(u32 parent, std::string path, u32 start, std::size_t path_len) {
static u32 romfs_calc_path_hash(u32 parent, std::string_view path, u32 start,
std::size_t path_len) {
u32 hash = parent ^ 123456789;
for (u32 i = 0; i < path_len; i++) {
hash = (hash >> 5) | (hash << 27);