Refactor: move library functions and macros to own header

src/common/library.c

@@ -1,7 +1,7 @@
 #include "fastfetch.h"
+#include "common/library.h"
 
 #include <stdarg.h>
-#include <dlfcn.h>
 
 static void* libraryLoad(const char* path, int maxVersion)
 {

src/common/library.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#ifndef FF_INCLUDED_common_library
+#define FF_INCLUDED_common_library
+
+#include <dlfcn.h>
+
+#define FF_LIBRARY_SYMBOL(symbolName) \
+    __typeof__(&symbolName) ff ## symbolName;
+
+#define FF_LIBRARY_LOAD(libraryObjectName, userLibraryName, returnValue, ...) \
+    void* libraryObjectName =  ffLibraryLoad(&userLibraryName, __VA_ARGS__, NULL);\
+    if(libraryObjectName == NULL) \
+        return returnValue;
+
+#define FF_LIBRARY_LOAD_SYMBOL_ADRESS(library, symbolMapping, symbolName, returnValue) \
+    symbolMapping = dlsym(library, #symbolName); \
+    if(symbolMapping == NULL) \
+    { \
+        dlclose(library); \
+        return returnValue; \
+    }
+
+#define FF_LIBRARY_LOAD_SYMBOL(library, symbolName, returnValue) \
+    __typeof__(&symbolName) FF_LIBRARY_LOAD_SYMBOL_ADRESS(library, ff ## symbolName, symbolName, returnValue);
+
+void* ffLibraryLoad(const FFstrbuf* userProvidedName, ...);
+
+#endif

src/common/settings.c

@@ -1,8 +1,8 @@
 #include "fastfetch.h"
+#include "common/library.h"
 
 #include <pthread.h>
 #include <string.h>
-#include <dlfcn.h>
 
 #define FF_LIBRARY_DATA_LOAD_INIT(dataObject, userLibraryName, ...) \
     static dataObject data; \