diff src/loadso/win32/SDL_sysloadso.c @ 1361:19418e4422cb

New configure-based build system. Still work in progress, but much improved
author Sam Lantinga <slouken@libsdl.org>
date Thu, 16 Feb 2006 10:11:48 +0000
parents
children c0a74f199ecf
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/loadso/win32/SDL_sysloadso.c	Thu Feb 16 10:11:48 2006 +0000
@@ -0,0 +1,134 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent library loading routines                           */
+
+#include "SDL_windows.h"
+
+#include "SDL_loadso.h"
+
+void *SDL_LoadObject(const char *sofile)
+{
+	void *handle = NULL;
+	const char *loaderror = "Unknown error";
+
+#if defined(_WIN32_WCE)
+	char errbuf[512];
+
+	wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t));
+	wchar_t *sofile_t = SDL_malloc((MAX_PATH+1) * sizeof(wchar_t));
+
+	MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, sofile, -1, sofile_t, MAX_PATH);
+	handle = (void *)LoadLibrary(sofile_t);
+
+	/* Generate an error message if all loads failed */
+	if ( handle == NULL ) {
+		FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
+					FORMAT_MESSAGE_FROM_SYSTEM),
+				NULL, GetLastError(), 
+				MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+				errbuf_t, SDL_TABLESIZE(errbuf), NULL);
+		WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL);
+		loaderror = errbuf;
+	}
+
+	SDL_free(sofile_t);
+	SDL_free(errbuf_t);
+
+#else /*if defined(WIN32)*/
+	char errbuf[512];
+
+	handle = (void *)LoadLibrary(sofile);
+
+	/* Generate an error message if all loads failed */
+	if ( handle == NULL ) {
+		FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
+					FORMAT_MESSAGE_FROM_SYSTEM),
+				NULL, GetLastError(), 
+				MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+				errbuf, SDL_TABLESIZE(errbuf), NULL);
+		loaderror = errbuf;
+	}
+#endif
+
+	if ( handle == NULL ) {
+		SDL_SetError("Failed loading %s: %s", sofile, loaderror);
+	}
+	return(handle);
+}
+
+void *SDL_LoadFunction(void *handle, const char *name)
+{
+	void *symbol = NULL;
+	const char *loaderror = "Unknown error";
+
+#if defined(_WIN32_WCE)
+	char errbuf[512];
+	int length = SDL_strlen(name);
+
+	wchar_t *name_t = SDL_malloc((length + 1) * sizeof(wchar_t));
+	wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t));
+
+	MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, name_t, length);
+
+	symbol = (void *)GetProcAddress((HMODULE)handle, name_t);
+	if ( symbol == NULL ) {
+		FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
+					FORMAT_MESSAGE_FROM_SYSTEM),
+				NULL, GetLastError(), 
+				MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+				errbuf_t, SDL_TABLESIZE(errbuf), NULL);
+		WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL);
+		loaderror = errbuf;
+	}
+
+	SDL_free(name_t);
+	SDL_free(errbuf_t);
+
+#else /*if defined(WIN32)*/
+	char errbuf[512];
+
+	symbol = (void *)GetProcAddress((HMODULE)handle, name);
+	if ( symbol == NULL ) {
+		FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
+					FORMAT_MESSAGE_FROM_SYSTEM),
+				NULL, GetLastError(), 
+				MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+				errbuf, SDL_TABLESIZE(errbuf), NULL);
+		loaderror = errbuf;
+	}
+#endif
+
+	if ( symbol == NULL ) {
+		SDL_SetError("Failed loading %s: %s", name, loaderror);
+	}
+	return(symbol);
+}
+
+void SDL_UnloadObject(void *handle)
+{
+	if ( handle != NULL ) {
+		FreeLibrary((HMODULE)handle);
+	}
+}
+