main
Dominik Madarász 2023-11-02 10:59:58 +01:00
parent 16e546b2a2
commit 9e9cb02a6a
2 changed files with 0 additions and 41 deletions

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@ -1,29 +0,0 @@
#if is(win32)
# include <winsock2.h>
# define dlopen(name,mode) (void*)( (name) ? LoadLibraryA(name) : GetModuleHandle(NULL))
# define dlsym(handle,symbol) GetProcAddress((HMODULE)handle, symbol )
# define dlclose(handle) 0
#else
# include <dlfcn.h>
#endif
void* dll(const char *filename, const char *symbol) {
/*
char *buf, *base = file_name(filename);
if( file_exists(buf = va("%s", base)) ||
file_exists(buf = va("%s.dll", base)) ||
file_exists(buf = va("%s.so", base)) ||
file_exists(buf = va("lib%s.so", base)) ||
file_exists(buf = va("%s.dylib", base)) ) {
filename = buf;
}
*/
void *dll = dlopen(filename, RTLD_NOW | RTLD_LOCAL);
dll = dll ? dlsym(dll, symbol) : 0;
return dll;
}
#if 0 // demo: cl demo.c /LD && REM dll
EXPORT int add2(int a, int b) { return a + b; }
int main() { int (*adder)() = dll("demo.dll", "add2"); printf("%d\n", adder(2,3)); }
#endif

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// dll utils
// - rlyeh, public domain
/// !!! `filename` must contain extension
/// load dynamic library `file` and search for `symbol`
/// return: NULL if not found, found symbol otherwise.
/// filename: path to dynamic library file. must contain extension.
/// symbol: symbol name. must not be NULL.
/// see: dlopen^, dlclose^
/// > bool (*plugin_init)(void) = dll("plugin.dll", "init");
/// > assert(plugin_init());
API void* dll(const char *filename, const char *symbol);