mirror of
https://github.com/fastfetch-cli/fastfetch.git
synced 2026-10-30 00:37:23 +01:00
李通洲
1b7a2c2ed5
MSYS2 version was built for smooth transition from POSIX api to Win32 api. It has almost identical output as Windows native version, except requiring msys runtime dll and being a bit slower.
61 lines
2.3 KiB
C
61 lines
2.3 KiB
C
#pragma once
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#ifndef FF_INCLUDED_common_library
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#define FF_INCLUDED_common_library
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#include "fastfetch.h"
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#include "util/FFcheckmacros.h"
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#if defined(_WIN32) //We don't force MSYS using LoadLibrary because dlopen also searches $LD_LIBRARY_PATH
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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 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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#define FF_LIBRARY_SYMBOL(symbolName) \
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__typeof__(&symbolName) ff ## symbolName;
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#define FF_LIBRARY_LOAD(libraryObjectName, userLibraryName, returnValue, ...) \
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void* libraryObjectName = ffLibraryLoad(userLibraryName, __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 = dlsym(library, #symbolName); \
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if(symbolMapping == NULL) \
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{ \
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dlclose(library); \
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return returnValue; \
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}
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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_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 FFstrbuf* userProvidedName, ...);
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#endif
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