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refactoring

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This commit is contained in:
Maxim Devaev
2024-02-26 20:28:09 +02:00
parent 260619923a
commit 2d6716aa47
42 changed files with 506 additions and 371 deletions
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21
src/libs/base64.c
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@@ -22,6 +22,13 @@
#include "base64.h"
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "types.h"
#include "tools.h"
static const char _ENCODING_TABLE[] = {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
@@ -34,11 +41,11 @@ static const char _ENCODING_TABLE[] = {
'4', '5', '6', '7', '8', '9', '+', '/',
};
static const unsigned _MOD_TABLE[] = {0, 2, 1};
static const uint _MOD_TABLE[] = {0, 2, 1};
void us_base64_encode(const uint8_t *data, size_t size, char **encoded, size_t *allocated) {
const size_t encoded_size = 4 * ((size + 2) / 3) + 1; // +1 for '\0'
void us_base64_encode(const u8 *data, uz size, char **encoded, uz *allocated) {
const uz encoded_size = 4 * ((size + 2) / 3) + 1; // +1 for '\0'
if (*encoded == NULL || (allocated && *allocated < encoded_size)) {
US_REALLOC(*encoded, encoded_size);
@@ -47,14 +54,14 @@ void us_base64_encode(const uint8_t *data, size_t size, char **encoded, size_t *
}
}
for (unsigned data_index = 0, encoded_index = 0; data_index < size;) {
# define OCTET(_name) unsigned _name = (data_index < size ? (uint8_t)data[data_index++] : 0)
for (uint data_index = 0, encoded_index = 0; data_index < size;) {
# define OCTET(_name) uint _name = (data_index < size ? (u8)data[data_index++] : 0)
OCTET(octet_a);
OCTET(octet_b);
OCTET(octet_c);
# undef OCTET
const unsigned triple = (octet_a << 0x10) + (octet_b << 0x08) + octet_c;
const uint triple = (octet_a << 0x10) + (octet_b << 0x08) + octet_c;
# define ENCODE(_offset) (*encoded)[encoded_index++] = _ENCODING_TABLE[(triple >> _offset * 6) & 0x3F]
ENCODE(3);
@@ -64,7 +71,7 @@ void us_base64_encode(const uint8_t *data, size_t size, char **encoded, size_t *
# undef ENCODE
}
for (unsigned index = 0; index < _MOD_TABLE[size % 3]; index++) {
for (uint index = 0; index < _MOD_TABLE[size % 3]; index++) {
(*encoded)[encoded_size - 2 - index] = '=';
}