ctl.h

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#pragma once
 
#include <kernel/fs/file.h>
 
#include <stdint.h>
 
#define CTL_STANDARD_WRITE_DEFINE(name, ...) \
    static ctl_t name##ctls[] = __VA_ARGS__; \
    static uint64_t name(file_t* file, const void* buffer, uint64_t count, uint64_t* offset) \
    { \
        (void)offset; \
        return ctl_dispatch(name##ctls, file, buffer, count); \
    }
 
#define CTL_STANDARD_OPS_DEFINE(name, ...) \
    CTL_STANDARD_WRITE_DEFINE(name##write, __VA_ARGS__) \
    static file_ops_t name = (file_ops_t){ \
        .write = name##write, \
    };
 
typedef uint64_t (*ctl_func_t)(file_t* file, uint64_t, const char**);
 
typedef struct
{
    const char* name; 
    ctl_func_t func;  
    uint64_t argcMin; 
    uint64_t argcMax; 
} ctl_t;
 
typedef ctl_t ctl_array_t[];
 
uint64_t ctl_dispatch(ctl_array_t ctls, file_t* file, const void* buffer, uint64_t count);