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#pragma once
#include "fastfetch.h"
#ifndef FF_DISABLE_DLOPEN
#if defined(_WIN32)
#define FF_DLOPEN_FLAGS 0
FF_A_NODISCARD void* dlopen(const char* path, int mode);
FF_A_NODISCARD void* dlsym(void* handle, const char* symbol);
int dlclose(void* handle);
#else
#include <dlfcn.h>
#endif
#ifdef _WIN32
#define FF_LIBRARY_EXTENSION ".dll"
#elif defined(__APPLE__)
#define FF_LIBRARY_EXTENSION ".dylib"
#else
#define FF_LIBRARY_EXTENSION ".so"
#endif
static inline void ffLibraryUnload(void** handle) {
assert(handle);
if (*handle) {
dlclose(*handle);
}
}
#if __cplusplus
#define __auto_type auto
#endif
#define FF_LIBRARY_SYMBOL(symbolName) \
__typeof__(&symbolName) ff##symbolName;
#define FF_LIBRARY_LOAD(libraryObjectName, returnValue, ...) \
void* FF_A_CLEANUP(ffLibraryUnload) libraryObjectName = ffLibraryLoad(__VA_ARGS__, NULL); \
if (libraryObjectName == NULL) \
return returnValue;
#define FF_LIBRARY_LOAD_MESSAGE(libraryObjectName, libraryFileName, maxVersion, ...) \
FF_LIBRARY_LOAD(libraryObjectName, "dlopen(" libraryFileName ") failed", libraryFileName, maxVersion, ##__VA_ARGS__)
#define FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, symbolMapping, symbolName, returnValue) \
symbolMapping = (__typeof__(&symbolName)) dlsym(library, #symbolName); \
if (symbolMapping == NULL) \
return returnValue;
#define FF_LIBRARY_LOAD_SYMBOL(library, symbolName, returnValue) \
__auto_type FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, ff##symbolName, symbolName, returnValue);
#define FF_LIBRARY_LOAD_SYMBOL_LAZY(library, symbolName) \
__auto_type ff##symbolName = (__typeof__(&symbolName)) dlsym(library, #symbolName);
#define FF_LIBRARY_LOAD_SYMBOL_MESSAGE(library, symbolName) \
__auto_type FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, ff##symbolName, symbolName, "dlsym " #symbolName " failed");
#define FF_LIBRARY_LOAD_SYMBOL_VAR(library, varName, symbolName, returnValue) \
FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, (varName).ff##symbolName, symbolName, returnValue);
#define FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(library, varName, symbolName) \
FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, (varName).ff##symbolName, symbolName, "dlsym " #symbolName " failed");
#define FF_LIBRARY_LOAD_SYMBOL_PTR(library, varName, symbolName, returnValue) \
FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, (varName)->ff##symbolName, symbolName, returnValue);
void* ffLibraryLoad(const char* path, int maxVersion, ...);
#else
#define FF_LIBRARY_EXTENSION ""
#define FF_LIBRARY_SYMBOL(symbolName) \
__typeof__(&symbolName) ff##symbolName;
#define FF_LIBRARY_LOAD(libraryObjectName, returnValue, ...) \
FF_A_UNUSED void* libraryObjectName = NULL; // Placeholder
#define FF_LIBRARY_LOAD_MESSAGE(libraryObjectName, libraryFileName, maxVersion, ...) \
FF_LIBRARY_LOAD(libraryObjectName, , libraryFileName, maxVersion, ##__VA_ARGS__)
#define FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, symbolMapping, symbolName, returnValue) \
symbolMapping = (__typeof__(&symbolName)) &symbolName;
#define FF_LIBRARY_LOAD_SYMBOL(library, symbolName, returnValue) \
FF_A_UNUSED __auto_type FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, ff##symbolName, symbolName, returnValue);
#define FF_LIBRARY_LOAD_SYMBOL_LAZY(library, symbolName) \
FF_A_UNUSED __auto_type ff##symbolName = (__typeof__(&symbolName)) &symbolName;
#define FF_LIBRARY_LOAD_SYMBOL_MESSAGE(library, symbolName) \
FF_A_UNUSED __auto_type FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, ff##symbolName, symbolName, "dlsym " #symbolName " failed");
#define FF_LIBRARY_LOAD_SYMBOL_VAR(library, varName, symbolName, returnValue) \
FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, (varName).ff##symbolName, symbolName, returnValue);
#define FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(library, varName, symbolName) \
FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, (varName).ff##symbolName, symbolName, "dlsym " #symbolName " failed");
#define FF_LIBRARY_LOAD_SYMBOL_PTR(library, varName, symbolName, returnValue) \
FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, (varName)->ff##symbolName, symbolName, returnValue);
#endif
#if _WIN32
void* ffLibraryGetModule(const wchar_t* libraryFileName);
#endif
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