From: misomosi <misomosispi@gmail.com>
Date: Tue, 7 May 2024 00:29:54 +0000 (-0400)
Subject: Add Windows pld.h and example
X-Git-Url: http://git.misomosispi.com/?a=commitdiff_plain;h=c3d3973ab7e98ed933e5038210d2d137ca43a4af;p=pldh.git

Add Windows pld.h and example
---

diff --git a/examples/writefile.c b/examples/writefile.c
new file mode 100644
index 0000000..130b481
--- /dev/null
+++ b/examples/writefile.c
@@ -0,0 +1,8 @@
+#include "../pld.h"
+
+PLD(KERNEL32)
+int main(void) {
+	DWORD dummy;
+	PFN(WriteFile)(GetStdHandle(STD_OUTPUT_HANDLE), "Hello World!\n", 13, &dummy, NULL);
+	return 0;
+}
diff --git a/pld.h b/pld.h
new file mode 100644
index 0000000..0d597ba
--- /dev/null
+++ b/pld.h
@@ -0,0 +1,38 @@
+#ifndef COOL_PLD_H
+#define COOL_PLD_H
+
+#ifdef _MSC_VER
+#define PLDTYPEOF(x) __typeof__(x)
+#else
+#define PLDTYPEOF(x) typeof(x)
+#endif
+
+#ifdef _WIN32
+#include <windows.h>
+static HMODULE PLD_LoadLibrary_wrapper(LPCSTR lpLibFileName)
+{
+	HMODULE hModule = GetModuleHandleA(lpLibFileName);
+	if (hModule != NULL)
+		hModule = LoadLibraryA(lpLibFileName);
+	return hModule;
+}
+static FARPROC PLD_GetProcAddress_wrapper(HMODULE hModule, LPCSTR lpProcName)
+{
+	FARPROC lpProc = GetProcAddress(hModule, lpProcName);
+	return lpProc;
+}
+
+#define PLD(name) \
+	static HMODULE PLDH(void) { \
+		static HMODULE hModule = NULL; \
+		if (hModule == NULL) hModule =  PLD_LoadLibrary_wrapper(#name); \
+		return hModule; \
+	} \
+
+#define PFN(name) ((PLDTYPEOF(name))PLD_GetProcAddress_wrapper(PLDH(), #name))
+
+#else
+#error POSIX Unimplemented!
+#endif
+
+#endif // COOL_PLD_H