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create_directories(): remove some memcpy() and strchr() calls

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Remove the call to memcpy() and strchr() for each path component
tested, and instead add each path component as we go forward inside
the while-loop.

Impact: small optimisation

Signed-off-by: Kjetil Barvik <barvik@broadpark.no>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Kjetil Barvik
2009-02-09 21:54:08 +01:00
committed by Junio C Hamano
parent 7847892716
commit 81a9aa60a1
1 changed files with 13 additions and 8 deletions
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21
entry.c
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@ -2,15 +2,19 @@
#include "blob.h"
#include "dir.h"
static void create_directories(const char *path, const struct checkout *state)
static void create_directories(const char *path, int path_len,
const struct checkout *state)
{
int len = strlen(path);
char *buf = xmalloc(len + 1);
const char *slash = path;
char *buf = xmalloc(path_len + 1);
int len = 0;
while ((slash = strchr(slash+1, '/')) != NULL) {
len = slash - path;
memcpy(buf, path, len);
while (len < path_len) {
do {
buf[len] = path[len];
len++;
} while (len < path_len && path[len] != '/');
if (len >= path_len)
break;
buf[len] = 0;
/*
@ -190,6 +194,7 @@ int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *t
memcpy(path, state->base_dir, len);
strcpy(path + len, ce->name);
len += ce_namelen(ce);
if (!lstat(path, &st)) {
unsigned changed = ce_match_stat(ce, &st, CE_MATCH_IGNORE_VALID);
@ -218,6 +223,6 @@ int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *t
return error("unable to unlink old '%s' (%s)", path, strerror(errno));
} else if (state->not_new)
return 0;
create_directories(path, state);
create_directories(path, len, state);
return write_entry(ce, path, state, 0);
}