diff options
Diffstat (limited to 'third_party/git/hex.c')
-rw-r--r-- | third_party/git/hex.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/third_party/git/hex.c b/third_party/git/hex.c deleted file mode 100644 index da51e64929a4..000000000000 --- a/third_party/git/hex.c +++ /dev/null @@ -1,155 +0,0 @@ -#include "cache.h" - -const signed char hexval_table[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 */ -}; - -int hex_to_bytes(unsigned char *binary, const char *hex, size_t len) -{ - for (; len; len--, hex += 2) { - unsigned int val = (hexval(hex[0]) << 4) | hexval(hex[1]); - - if (val & ~0xff) - return -1; - *binary++ = val; - } - return 0; -} - -static int get_hash_hex_algop(const char *hex, unsigned char *hash, - const struct git_hash_algo *algop) -{ - int i; - for (i = 0; i < algop->rawsz; i++) { - int val = hex2chr(hex); - if (val < 0) - return -1; - *hash++ = val; - hex += 2; - } - return 0; -} - -int get_sha1_hex(const char *hex, unsigned char *sha1) -{ - return get_hash_hex_algop(hex, sha1, the_hash_algo); -} - -int get_oid_hex_algop(const char *hex, struct object_id *oid, - const struct git_hash_algo *algop) -{ - return get_hash_hex_algop(hex, oid->hash, algop); -} - -/* - * NOTE: This function relies on hash algorithms being in order from shortest - * length to longest length. - */ -int get_oid_hex_any(const char *hex, struct object_id *oid) -{ - int i; - for (i = GIT_HASH_NALGOS - 1; i > 0; i--) { - if (!get_hash_hex_algop(hex, oid->hash, &hash_algos[i])) - return i; - } - return GIT_HASH_UNKNOWN; -} - -int get_oid_hex(const char *hex, struct object_id *oid) -{ - return get_oid_hex_algop(hex, oid, the_hash_algo); -} - -int parse_oid_hex_algop(const char *hex, struct object_id *oid, - const char **end, - const struct git_hash_algo *algop) -{ - int ret = get_hash_hex_algop(hex, oid->hash, algop); - if (!ret) - *end = hex + algop->hexsz; - return ret; -} - -int parse_oid_hex_any(const char *hex, struct object_id *oid, const char **end) -{ - int ret = get_oid_hex_any(hex, oid); - if (ret) - *end = hex + hash_algos[ret].hexsz; - return ret; -} - -int parse_oid_hex(const char *hex, struct object_id *oid, const char **end) -{ - return parse_oid_hex_algop(hex, oid, end, the_hash_algo); -} - -char *hash_to_hex_algop_r(char *buffer, const unsigned char *hash, - const struct git_hash_algo *algop) -{ - static const char hex[] = "0123456789abcdef"; - char *buf = buffer; - int i; - - for (i = 0; i < algop->rawsz; i++) { - unsigned int val = *hash++; - *buf++ = hex[val >> 4]; - *buf++ = hex[val & 0xf]; - } - *buf = '\0'; - - return buffer; -} - -char *oid_to_hex_r(char *buffer, const struct object_id *oid) -{ - return hash_to_hex_algop_r(buffer, oid->hash, the_hash_algo); -} - -char *hash_to_hex_algop(const unsigned char *hash, const struct git_hash_algo *algop) -{ - static int bufno; - static char hexbuffer[4][GIT_MAX_HEXSZ + 1]; - bufno = (bufno + 1) % ARRAY_SIZE(hexbuffer); - return hash_to_hex_algop_r(hexbuffer[bufno], hash, algop); -} - -char *hash_to_hex(const unsigned char *hash) -{ - return hash_to_hex_algop(hash, the_hash_algo); -} - -char *oid_to_hex(const struct object_id *oid) -{ - return hash_to_hex_algop(oid->hash, the_hash_algo); -} |