From f5c4671bfbad96bf346bd7e9a21fc4317b4959df Mon Sep 17 00:00:00 2001
From: Indrajith K L
Date: Sat, 3 Dec 2022 17:00:20 +0530
Subject: Adds most of the tools

---
 v_windows/v/vlib/dl/dl_windows.c.v | 39 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 v_windows/v/vlib/dl/dl_windows.c.v

(limited to 'v_windows/v/vlib/dl/dl_windows.c.v')

diff --git a/v_windows/v/vlib/dl/dl_windows.c.v b/v_windows/v/vlib/dl/dl_windows.c.v
new file mode 100644
index 0000000..b6ae2fc
--- /dev/null
+++ b/v_windows/v/vlib/dl/dl_windows.c.v
@@ -0,0 +1,39 @@
+module dl
+
+pub const (
+	rtld_now  = 0
+	rtld_lazy = 0
+)
+
+fn C.LoadLibrary(libfilename &u16) voidptr
+
+fn C.GetProcAddress(handle voidptr, procname &byte) voidptr
+
+fn C.FreeLibrary(handle voidptr) bool
+
+// open loads a given module into the address space of the calling process.
+pub fn open(filename string, flags int) voidptr {
+	res := C.LoadLibrary(filename.to_wide())
+	return res
+}
+
+// close frees the loaded a given module.
+pub fn close(handle voidptr) bool {
+	return C.FreeLibrary(handle)
+}
+
+// sym returns an address of an exported function or variable from a given module.
+pub fn sym(handle voidptr, symbol string) voidptr {
+	return C.GetProcAddress(handle, symbol.str)
+}
+
+// dlerror provides a text error diagnostic message for functions in `dl`
+// it returns a human-readable string, describing the most recent error
+// that occurred from a call to one of the `dl` functions, since the last
+// call to dlerror()
+pub fn dlerror() string {
+	// https://docs.microsoft.com/en-us/windows/win32/api/errhandlingapi/nf-errhandlingapi-getlasterror
+	// Unlike dlerror(), GetLastError returns just an error code, that is function specific.
+	cerr := int(C.GetLastError())
+	return 'error code $cerr'
+}
-- 
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