--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Isolated/ALmixer_RWops.c	Thu Apr 28 16:22:30 2011 -0700
@@ -0,0 +1,108 @@
+#ifndef ALMIXER_COMPILED_WITH_SDL
+
+#include "ALmixer_RWops.h"
+#include <stdlib.h> /* malloc, free */
+#include <stdio.h> /* fopen, fseek, fread, fclose */
+#include <string.h> /* strerror */
+#include <errno.h> /* errno */
+
+/* (Note this is different than stdio's seek. This returns ftell.)
+ */
+static int stdio_seek(ALmixer_RWops* the_context, long offset, int whence)
+{
+	if(0 == fseek(the_context->hidden.stdio.fp, offset, whence))
+	{
+		return(ftell(the_context->hidden.stdio.fp));
+	}
+	else
+   	{
+/*		ALmixer_SetError("ALmixer_RWops seek failed: %s", strerror(errno)); */
+		return (-1);
+	}
+}
+
+static size_t stdio_read(ALmixer_RWops* the_context, void* ptr, size_t size, size_t nitems)
+{
+	size_t bytes_read;
+
+	bytes_read = fread(ptr, size, nitems, the_context->hidden.stdio.fp);
+	if(0 == bytes_read && ferror(the_context->hidden.stdio.fp))
+	{
+		/* not sure if strerror can convert ferror */
+/*		ALmixer_SetError("ALmixer_RWops read failed: %s", strerror(ferror(the_context->hidden.stdio.fp))); */
+	}
+	return bytes_read;
+}
+
+static size_t stdio_write(ALmixer_RWops* the_context, const void* ptr, size_t size, size_t nitems)
+{
+	size_t bytes_written;
+
+	bytes_written = fwrite(ptr, size, nitems, the_context->hidden.stdio.fp);
+	if(0 == bytes_written && ferror(the_context->hidden.stdio.fp))
+	{
+/*		ALmixer_SetError("ALmixer_RWops write failed: %s", strerror(ferror(the_context->hidden.stdio.fp))); */
+	}
+	return bytes_written;
+}
+
+static int stdio_close(ALmixer_RWops* the_context)
+{
+	int return_status = 0;
+	if(NULL != the_context)
+	{
+		if(0 != the_context->hidden.stdio.autoclose)
+		{
+			if(0 != fclose(the_context->hidden.stdio.fp))
+			{
+/*				ALmixer_SetError("ALmixer_RWops close failed: %s", strerror(errno)); */
+				return_status = -1;
+			}
+		}
+		free(the_context);
+	}
+	return return_status;
+}
+
+ALmixer_RWops* ALmixer_RWFromFP(FILE* file_pointer, char autoclose_flag)
+{
+    ALmixer_RWops* rw_ops = NULL;
+
+	rw_ops = (ALmixer_RWops*)malloc(sizeof(ALmixer_RWops));
+	if(NULL == rw_ops)
+	{
+/*		ALmixer_SetError("ALmixer_RWFromFP: Out of memory"); */
+		return NULL;
+	}
+
+	rw_ops->seek = stdio_seek;
+	rw_ops->read = stdio_read;
+	rw_ops->write = stdio_write;
+	rw_ops->close = stdio_close;
+	rw_ops->hidden.stdio.fp = file_pointer;
+	rw_ops->hidden.stdio.autoclose = autoclose_flag;
+	return rw_ops;
+}
+
+ALmixer_RWops* ALmixer_RWFromFile(const char* file_name, const char* file_mode)
+{
+    ALmixer_RWops* rw_ops = NULL;
+    FILE* file_pointer = NULL;
+    if(NULL == file_name || NULL == file_mode)
+	{
+/*		ALmixer_SetError("ALmixer_RWFromFile: No file or mode specified"); */
+        return NULL;
+    }
+	file_pointer = fopen(file_name, file_mode);
+	if(NULL == file_pointer)
+	{
+/*		ALmixer_SetError("ALmixer_RWFromFile: Could not open file: %s", strerror(errno)); */
+		return NULL;
+    }
+
+	rw_ops = ALmixer_RWFromFP(file_pointer, 1);
+    return rw_ops;
+}
+
+
+#endif /* ALMIXER_COMPILED_WITH_SDL */