diff options
Diffstat (limited to 'hex.h')
| -rw-r--r-- | hex.h | 52 |
1 files changed, 18 insertions, 34 deletions
@@ -1,23 +1,8 @@ #ifndef HEX_H #define HEX_H -#include "hash-ll.h" - -extern const signed char hexval_table[256]; -static inline unsigned int hexval(unsigned char c) -{ - return hexval_table[c]; -} - -/* - * Convert two consecutive hexadecimal digits into a char. Return a - * negative value on error. Don't run over the end of short strings. - */ -static inline int hex2chr(const char *s) -{ - unsigned int val = hexval(s[0]); - return (val & ~0xf) ? val : (val << 4) | hexval(s[1]); -} +#include "hash.h" +#include "hex-ll.h" /* * Try to read a hash (specified by the_hash_algo) in hexadecimal @@ -28,20 +13,9 @@ static inline int hex2chr(const char *s) * input, so it is safe to pass this function an arbitrary * null-terminated string. */ -int get_hash_hex(const char *hex, unsigned char *hash); -int get_oid_hex(const char *hex, struct object_id *oid); - -/* Like get_oid_hex, but for an arbitrary hash algorithm. */ int get_oid_hex_algop(const char *hex, struct object_id *oid, const struct git_hash_algo *algop); /* - * Read `len` pairs of hexadecimal digits from `hex` and write the - * values to `binary` as `len` bytes. Return 0 on success, or -1 if - * the input does not consist of hex digits). - */ -int hex_to_bytes(unsigned char *binary, const char *hex, size_t len); - -/* * Convert a binary hash in "unsigned char []" or an object name in * "struct object_id *" to its hex equivalent. The `_r` variant is reentrant, * and writes the NUL-terminated output to the buffer `out`, which must be at @@ -57,7 +31,6 @@ int hex_to_bytes(unsigned char *binary, const char *hex, size_t len); char *hash_to_hex_algop_r(char *buffer, const unsigned char *hash, const struct git_hash_algo *); char *oid_to_hex_r(char *out, const struct object_id *oid); char *hash_to_hex_algop(const unsigned char *hash, const struct git_hash_algo *); /* static buffer result! */ -char *hash_to_hex(const unsigned char *hash); /* same static buffer */ char *oid_to_hex(const struct object_id *oid); /* same static buffer */ /* @@ -67,13 +40,9 @@ char *oid_to_hex(const struct object_id *oid); /* same static buffer */ * other invalid character. end is only updated on success; otherwise, it is * unmodified. */ -int parse_oid_hex(const char *hex, struct object_id *oid, const char **end); - -/* Like parse_oid_hex, but for an arbitrary hash algorithm. */ int parse_oid_hex_algop(const char *hex, struct object_id *oid, const char **end, const struct git_hash_algo *algo); - /* * These functions work like get_oid_hex and parse_oid_hex, but they will parse * a hex value for any algorithm. The algorithm is detected based on the length @@ -83,4 +52,19 @@ int parse_oid_hex_algop(const char *hex, struct object_id *oid, const char **end int get_oid_hex_any(const char *hex, struct object_id *oid); int parse_oid_hex_any(const char *hex, struct object_id *oid, const char **end); -#endif +#ifdef USE_THE_REPOSITORY_VARIABLE + +/* Like get_oid_hex_algop, but for `the_hash_algo`. */ +int get_hash_hex(const char *hex, unsigned char *hash); +int get_oid_hex(const char *hex, struct object_id *oid); + +/* Like parse_oid_hex_algop, but uses `the_hash_algo`. */ +int parse_oid_hex(const char *hex, struct object_id *oid, const char **end); + +/* + * Same as `hash_to_hex_algop()`, but uses `the_hash_algo`. + */ +char *hash_to_hex(const unsigned char *hash); + +#endif /* USE_THE_REPOSITORY_VARIABLE */ +#endif /* HEX_H */ |