network/frame_validator.h

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#pragma once
 
#include "../common.h"
#include <stddef.h>
#include <stdbool.h>
 
/* Frame format constants */
 
#define FRAME_HEADER_SIZE_LEGACY 8
 
#define FRAME_HEADER_SIZE_NEW 16
 
#define FRAME_HEADER_FIELD_SIZE 4
 
asciichat_error_t frame_validate_legacy(size_t len, size_t expected_rgb_size);
 
asciichat_error_t frame_validate_new(void *data, size_t len, bool *out_compressed, uint32_t *out_data_size);
 
asciichat_error_t frame_check_size_overflow(size_t header_size, size_t data_size);
 
void frame_extract_dimensions(const void *data, uint32_t *width, uint32_t *height);
 
void frame_extract_new_header(const void *data, uint32_t *compressed, uint32_t *data_size);