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diff --git a/sha1_file.c b/sha1_file.c
index 428d791ba8e2f62e3c30627a8f9463236c77cc60..b89edb9515aa38c2c404367aa28ec5531fcc7de1 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
static unsigned int sha1_file_open_flag = O_NOATIME;
-static unsigned hexval(char c)
-{
- if (c >= '0' && c <= '9')
- return c - '0';
- if (c >= 'a' && c <= 'f')
- return c - 'a' + 10;
- if (c >= 'A' && c <= 'F')
- return c - 'A' + 10;
- return ~0;
+static inline unsigned int hexval(unsigned int c)
+{
+ static signed char val[256] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 00-07 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 08-0f */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 10-17 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 18-1f */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 20-27 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 28-2f */
+ 0, 1, 2, 3, 4, 5, 6, 7, /* 30-37 */
+ 8, 9, -1, -1, -1, -1, -1, -1, /* 38-3f */
+ -1, 10, 11, 12, 13, 14, 15, -1, /* 40-47 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 48-4f */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 50-57 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 58-5f */
+ -1, 10, 11, 12, 13, 14, 15, -1, /* 60-67 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 68-67 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 70-77 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 78-7f */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 80-87 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 88-8f */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 90-97 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 98-9f */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* a0-a7 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* a8-af */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* b0-b7 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* b8-bf */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* c0-c7 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* c8-cf */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* d0-d7 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* d8-df */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* e0-e7 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* e8-ef */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* f0-f7 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* f8-ff */
+ };
+ return val[c];
}
int get_sha1_hex(const char *hex, unsigned char *sha1)
return 0;
}
-static int find_pack_entry(const unsigned char *sha1, struct pack_entry *e)
+static int find_pack_entry(const unsigned char *sha1, struct pack_entry *e, const char **ignore_packed)
{
struct packed_git *p;
prepare_packed_git();
for (p = packed_git; p; p = p->next) {
+ if (ignore_packed) {
+ const char **ig;
+ for (ig = ignore_packed; *ig; ig++)
+ if (!strcmp(p->pack_name, *ig))
+ break;
+ if (*ig)
+ continue;
+ }
if (find_pack_entry_one(sha1, e, p))
return 1;
}
@@ -1227,10 +1263,10 @@ int sha1_object_info(const unsigned char *sha1, char *type, unsigned long *sizep
if (!map) {
struct pack_entry e;
- if (find_pack_entry(sha1, &e))
+ if (find_pack_entry(sha1, &e, NULL))
return packed_object_info(&e, type, sizep);
reprepare_packed_git();
- if (find_pack_entry(sha1, &e))
+ if (find_pack_entry(sha1, &e, NULL))
return packed_object_info(&e, type, sizep);
return error("unable to find %s", sha1_to_hex(sha1));
}
@@ -1253,7 +1289,7 @@ static void *read_packed_sha1(const unsigned char *sha1, char *type, unsigned lo
{
struct pack_entry e;
- if (!find_pack_entry(sha1, &e)) {
+ if (!find_pack_entry(sha1, &e, NULL)) {
error("cannot read sha1_file for %s", sha1_to_hex(sha1));
return NULL;
}
@@ -1266,7 +1302,7 @@ void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size
void *map, *buf;
struct pack_entry e;
- if (find_pack_entry(sha1, &e))
+ if (find_pack_entry(sha1, &e, NULL))
return read_packed_sha1(sha1, type, size);
map = map_sha1_file(sha1, &mapsize);
if (map) {
@@ -1275,7 +1311,7 @@ void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size
return buf;
}
reprepare_packed_git();
- if (find_pack_entry(sha1, &e))
+ if (find_pack_entry(sha1, &e, NULL))
return read_packed_sha1(sha1, type, size);
return NULL;
}
return 1;
}
-int has_sha1_pack(const unsigned char *sha1)
+int has_sha1_pack(const unsigned char *sha1, const char **ignore_packed)
{
struct pack_entry e;
- return find_pack_entry(sha1, &e);
+ return find_pack_entry(sha1, &e, ignore_packed);
}
int has_sha1_file(const unsigned char *sha1)
struct stat st;
struct pack_entry e;
- if (find_pack_entry(sha1, &e))
+ if (find_pack_entry(sha1, &e, NULL))
return 1;
return find_sha1_file(sha1, &st) ? 1 : 0;
}