minecraft-pi-reborn/libreborn/include/libreborn/libreborn.h

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#pragma once
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#ifdef __cplusplus
extern "C" {
#endif
#include <stdio.h>
#include <stdlib.h>
#include <dlfcn.h>
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#define INFO(msg, ...) fprintf(stderr, "[INFO]: " msg "\n", __VA_ARGS__);
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#define ERR(msg, ...) fprintf(stderr, "[ERR]: " msg "\n", __VA_ARGS__); exit(EXIT_FAILURE);
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#define HOOK(name, return_type, args) \
typedef return_type (*name##_t)args; \
static name##_t real_##name = NULL; \
\
__attribute__((__unused__)) static void ensure_##name() { \
if (!real_##name) { \
dlerror(); \
real_##name = (name##_t) dlsym(RTLD_NEXT, #name); \
if (!real_##name) { \
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ERR("Error Resolving Symbol: "#name": %s", dlerror()); \
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} \
} \
}; \
\
__attribute__((__used__)) return_type name args
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void _overwrite_call(const char *file, int line, void *start, void *target);
#define overwrite_call(start, target) _overwrite_call(__FILE__, __LINE__, start, target);
void _overwrite_calls(const char *file, int line, void *start, void *target);
#define overwrite_calls(start, target) _overwrite_calls(__FILE__, __LINE__, start, target);
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void _overwrite(const char *file, int line, void *start, void *target);
#define overwrite(start, target) _overwrite(__FILE__, __LINE__, start, target);
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void _patch(const char *file, int line, void *start, unsigned char patch[]);
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#define patch(start, patch) _patch(__FILE__, __LINE__, start, patch);
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void _patch_address(const char *file, int line, void *start, void *target);
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#define patch_address(start, target) _patch_address(__FILE__, __LINE__, start, target);
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#ifdef __cplusplus
}
#endif