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core: hash: add support for hashing the contents of ropes

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This commit is contained in:
max 🍓
2026-02-03 14:31:35 +00:00
parent ce9195c130
commit 68ab79fe2a
2 changed files with 41 additions and 0 deletions
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39
core/hash/hash.c
View File

@@ -1,6 +1,8 @@
#include "hash.h" #include "hash.h"
#include <blue/core/hash.h> #include <blue/core/hash.h>
#include <blue/core/rope.h>
#include <inttypes.h>
#include <stddef.h> #include <stddef.h>
#include <stdint.h> #include <stdint.h>
#include <string.h> #include <string.h>
@@ -116,6 +118,43 @@ enum b_status b_hash_ctx_update(struct b_hash_ctx *ctx, const void *p, size_t le
return B_SUCCESS; return B_SUCCESS;
} }
static void update_rope(const b_rope *rope, void *arg)
{
struct b_hash_ctx *ctx = arg;
unsigned int type = B_ROPE_TYPE(rope->r_flags);
char tmp[64];
size_t len = 0;
switch (type) {
case B_ROPE_F_CHAR:
b_hash_ctx_update(ctx, &rope->r_v.v_char, sizeof rope->r_v.v_char);
break;
case B_ROPE_F_CSTR:
case B_ROPE_F_CSTR_BORROWED:
case B_ROPE_F_CSTR_STATIC:
b_hash_ctx_update(
ctx, rope->r_v.v_cstr.s, strlen(rope->r_v.v_cstr.s));
break;
case B_ROPE_F_INT:
len = snprintf(tmp, sizeof tmp, "%" PRIdPTR, rope->r_v.v_int);
b_hash_ctx_update(ctx, tmp, len);
break;
case B_ROPE_F_UINT:
len = snprintf(tmp, sizeof tmp, "%" PRIuPTR, rope->r_v.v_uint);
b_hash_ctx_update(ctx, tmp, len);
break;
default:
break;
}
}
enum b_status b_hash_ctx_update_rope(
struct b_hash_ctx *ctx, const struct b_rope *rope)
{
b_rope_iterate(rope, update_rope, ctx);
return B_SUCCESS;
}
enum b_status b_hash_ctx_finish( enum b_status b_hash_ctx_finish(
struct b_hash_ctx *ctx, void *out_digest, size_t out_max) struct b_hash_ctx *ctx, void *out_digest, size_t out_max)
{ {

2
core/include/blue/core/hash.h
View File

@@ -29,6 +29,7 @@
#define B_DIGEST_LENGTH_SHAKE256 B_DIGEST_LENGTH_256 #define B_DIGEST_LENGTH_SHAKE256 B_DIGEST_LENGTH_256
struct b_hash_function_ops; struct b_hash_function_ops;
struct b_rope;
typedef enum b_hash_function { typedef enum b_hash_function {
B_HASH_NONE = 0, B_HASH_NONE = 0,
@@ -103,6 +104,7 @@ BLUE_API uint64_t b_hash_cstr_ex(const char *s, size_t *len);
BLUE_API b_status b_hash_ctx_init(b_hash_ctx *ctx, b_hash_function func); BLUE_API b_status b_hash_ctx_init(b_hash_ctx *ctx, b_hash_function func);
BLUE_API b_status b_hash_ctx_reset(b_hash_ctx *ctx); BLUE_API b_status b_hash_ctx_reset(b_hash_ctx *ctx);
BLUE_API b_status b_hash_ctx_update(b_hash_ctx *ctx, const void *p, size_t len); BLUE_API b_status b_hash_ctx_update(b_hash_ctx *ctx, const void *p, size_t len);
BLUE_API b_status b_hash_ctx_update_rope(b_hash_ctx *ctx, const struct b_rope *rope);
BLUE_API b_status b_hash_ctx_finish( BLUE_API b_status b_hash_ctx_finish(
b_hash_ctx *ctx, void *out_digest, size_t out_max); b_hash_ctx *ctx, void *out_digest, size_t out_max);