98 lines
2.3 KiB
C
98 lines
2.3 KiB
C
/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 19.07.2017
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*
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* Cross platform library constants
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*
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*/
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// TOP
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#if !defined(FRED_SHARED_LIBRARY_CONSTANTS_H)
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#define FRED_SHARED_LIBRARY_CONSTANTS_H
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// Wrapper functions
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union Library;
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internal b32
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system_load_library_direct(Library *library, char *name);
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internal void*
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system_get_proc(Library *library, char *name);
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internal void
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system_free_library(Library *library);
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// Shared logic
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#define LIBRARY_TYPE_SIZE 32
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#define AssertLibrarySizes() Assert(sizeof(Library) == LIBRARY_TYPE_SIZE)
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typedef u32 Load_Library_Location;
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enum{
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LoadLibrary_CurrentDirectory,
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LoadLibrary_BinaryDirectory,
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};
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internal b32
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system_load_library(Library *library, char *name, Load_Library_Location location, char *full_file_out, u32 full_file_max){
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char space[4096];
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String extension = file_extension(make_string_slowly(name));
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if (!match(extension, DLL)){
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String full_name = make_fixed_width_string(space);
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append(&full_name, name);
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append(&full_name, "." DLL);
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if (terminate_with_null(&full_name)){
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name = space;
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}
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else{
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name = 0;
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}
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}
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char path_space[4096];
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String path = make_fixed_width_string(path_space);
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switch (location){
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case LoadLibrary_CurrentDirectory:
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{
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path.size = sysfunc.get_current_path(path.str, path.memory_size);
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}break;
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case LoadLibrary_BinaryDirectory:
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{
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path.size = sysfunc.get_4ed_path(path.str, path.memory_size);
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}break;
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default: LOG("Invalid library location passed.\n"); break;
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}
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b32 success = false;
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if (path.size > 0){
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if (path.str[path.size - 1] != SLASH){
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append(&path, SLASH);
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}
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append(&path, name);
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terminate_with_null(&path);
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success = system_load_library_direct(library, path.str);
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if (success && full_file_out != 0){
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String out = make_string_cap(full_file_out, 0, full_file_max);
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copy(&out, path);
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terminate_with_null(&out);
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}
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}
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return(success);
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}
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internal b32
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system_load_library(Library *library, char *name, Load_Library_Location location){
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b32 result = system_load_library(library, name, location, 0, 0);
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return(result);
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}
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#endif
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// BOTTOM
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