mirror of
https://github.com/fastfetch-cli/fastfetch.git
synced 2026-09-12 10:22:12 +02:00
李通洲
98 lines
4.0 KiB
C
98 lines
4.0 KiB
C
#pragma once
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#include "fastfetch.h"
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#include "util/FFcheckmacros.h"
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#ifndef FF_DISABLE_DLOPEN
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#if defined(_WIN32)
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#include <libloaderapi.h>
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#define FF_DLOPEN_FLAGS 0
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FF_C_NODISCARD static inline void* dlopen(const char* path, int mode) { FF_UNUSED(mode); return LoadLibraryA(path); }
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FF_C_NODISCARD static inline void* dlsym(void* handle, const char* symbol) { return (void*) GetProcAddress((HMODULE)handle, symbol); }
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static inline int dlclose(void* handle) { return !FreeLibrary((HMODULE)handle); }
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#else
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#include <dlfcn.h>
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#endif
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#ifdef _WIN32
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#define FF_LIBRARY_EXTENSION ".dll"
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#elif defined(__APPLE__)
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#define FF_LIBRARY_EXTENSION ".dylib"
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#else
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#define FF_LIBRARY_EXTENSION ".so"
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#endif
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static inline void ffLibraryUnload(void** handle)
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{
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assert(handle);
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if (*handle)
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dlclose(*handle);
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}
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#define FF_LIBRARY_SYMBOL(symbolName) \
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__typeof__(&symbolName) ff ## symbolName;
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#define FF_LIBRARY_LOAD(libraryObjectName, returnValue, ...) \
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void* __attribute__((__cleanup__(ffLibraryUnload))) libraryObjectName = ffLibraryLoad(__VA_ARGS__, NULL);\
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if(libraryObjectName == NULL) \
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return returnValue;
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#define FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, symbolMapping, symbolName, returnValue) \
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symbolMapping = (__typeof__(&symbolName)) dlsym(library, #symbolName); \
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if(symbolMapping == NULL) \
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return returnValue;
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#define FF_LIBRARY_LOAD_SYMBOL(library, symbolName, returnValue) \
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__typeof__(&symbolName) FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, ff ## symbolName, symbolName, returnValue);
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#define FF_LIBRARY_LOAD_SYMBOL_LAZY(library, symbolName) \
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__typeof__(&symbolName) ff ## symbolName = (__typeof__(&symbolName)) dlsym(library, #symbolName);
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#define FF_LIBRARY_LOAD_SYMBOL_MESSAGE(library, symbolName) \
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__typeof__(&symbolName) FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, ff ## symbolName, symbolName, "dlsym " #symbolName " failed");
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#define FF_LIBRARY_LOAD_SYMBOL_VAR(library, varName, symbolName, returnValue) \
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FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, (varName).ff ## symbolName, symbolName, returnValue);
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#define FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(library, varName, symbolName) \
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FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, (varName).ff ## symbolName, symbolName, "dlsym " #symbolName " failed");
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#define FF_LIBRARY_LOAD_SYMBOL_PTR(library, varName, symbolName, returnValue) \
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FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, (varName)->ff ## symbolName, symbolName, returnValue);
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void* ffLibraryLoad(const char* path, int maxVersion, ...);
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#else
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#define FF_LIBRARY_EXTENSION ""
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#define FF_LIBRARY_SYMBOL(symbolName) \
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__typeof__(&symbolName) ff ## symbolName;
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#define FF_LIBRARY_LOAD(libraryObjectName, returnValue, ...) \
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FF_MAYBE_UNUSED void* libraryObjectName = NULL; // Placeholder
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#define FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, symbolMapping, symbolName, returnValue) \
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symbolMapping = (__typeof__(&symbolName)) &symbolName
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#define FF_LIBRARY_LOAD_SYMBOL(library, symbolName, returnValue) \
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FF_MAYBE_UNUSED __typeof__(&symbolName) FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, ff ## symbolName, symbolName, returnValue);
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#define FF_LIBRARY_LOAD_SYMBOL_LAZY(library, symbolName) \
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FF_MAYBE_UNUSED __typeof__(&symbolName) ff ## symbolName = (__typeof__(&symbolName)) &symbolName;
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#define FF_LIBRARY_LOAD_SYMBOL_MESSAGE(library, symbolName) \
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FF_MAYBE_UNUSED __typeof__(&symbolName) FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, ff ## symbolName, symbolName, "dlsym " #symbolName " failed");
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#define FF_LIBRARY_LOAD_SYMBOL_VAR(library, varName, symbolName, returnValue) \
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FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, (varName).ff ## symbolName, symbolName, returnValue);
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#define FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(library, varName, symbolName) \
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FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, (varName).ff ## symbolName, symbolName, "dlsym " #symbolName " failed");
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#define FF_LIBRARY_LOAD_SYMBOL_PTR(library, varName, symbolName, returnValue) \
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FF_LIBRARY_LOAD_SYMBOL_ADDRESS(library, (varName)->ff ## symbolName, symbolName, returnValue);
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#endif
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