fault_log.h

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#pragma once
 
#include <stdbool.h>
#include <stdint.h>
 
#include "card_tree.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#define FAULT_SIZE_NONE   (-1)
#define FAULT_SIZE_UNREAD (-2)

#define FAULT_LOG_CAP 1048576u     /* 1MiB */

typedef struct {
    void *ctx;                  
    bool (*mounted)(void *ctx);
    card_dir_t (*make_dir)(void *ctx, const char *level);
    int32_t (*size)(void *ctx, const char *path);
    bool (*remove)(void *ctx, const char *path);
    bool (*rename)(void *ctx, const char *from, const char *to);
    bool (*append)(void *ctx, const char *path, const char *line);
} fault_log_io_t;

typedef enum {
    FAULT_LOG_OK = 0,
    FAULT_LOG_ARG,        
    FAULT_LOG_NO_CARD,    
    FAULT_LOG_NO_FOLDER,  
    FAULT_LOG_NO_ROOM,    
    FAULT_LOG_UNREAD,     
    FAULT_LOG_WRITE,      
} fault_log_t;

fault_log_t fault_log_note(const fault_log_io_t *io, const char *line,
                           bool *rotated);
 
#ifdef __cplusplus
}
#endif