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#pragma once
#include <stdint.h>
#include "consts.h"
/**
* error struct
*
* holds an error with type `code`, and an optional `message` with length
* `message_length`
*/
typedef struct {
enum w2_e_errorcodes code;
uint8_t message_length;
char message[];
} w2_s_error;
/** error ring buffer */
extern w2_s_error g_w2_error_buffer[W2_ERROR_BUFFER_SIZE];
/** stores head of ring buffer */
extern uint8_t g_w2_error_index;
/** stores start of ring buffer */
extern uint8_t g_w2_error_offset;
/** error-handler module main */
void w2_errcatch_main();
/** handle error */
void w2_errcatch_handle_error(w2_s_error *error);
/** append error to error buffer */
void w2_errcatch_throw(enum w2_e_errorcodes code);
/** append error to error buffer (with debug message) */
void w2_errcatch_throw_msg(enum w2_e_errorcodes code, uint16_t length, const char *message);
/**
* allocate and initialize error struct
*
* TODO: doesn't handle null pointers from calloc
*/
w2_s_error *w2_alloc_error(enum w2_e_errorcodes code, uint16_t length, const char *message);
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