2003-03-02 Danny Smith <dannysmith@users.sourceforge.net>

	* include/stdio.h (vscanf): Add prototype.
	(vfscanf): Ditto.
	(vsscanf): Ditto.
	(vwscanf): Ditto.
	(vfwscanf): Ditto.
	(vswscanf): Ditto.
	* include/wchar.h (vwscanf): Add prototype.
	(vfwscanf): Ditto.
	(vswscanf): Ditto.
	* mingwex/snprintf.c: Move to mingwex/stdio.
 	* mingwex/vsnprintf.c: Ditto.
	* mingwex/snwprintf.c: Ditto.
	* mingwex/vsnwprintf.c: Ditto.
	* mingwex/Makefile.in (VPATH): Add $(srcdir)/stdio
	(STDIO_DISTFILES): Add.
	(DISTFILES): Adjust.
	(STDIO_STUB_OBJS): Rename to STDIO_OBJS and add v*scanf objects.
	(LIB_OBJS): Adjust.
	(dist): Adjust.

2003-03-02  Aaron W  LaFramboise   <AWLaFramboise@aol.com>

	* mingwex/stdio: New directory
	* mingwex/stdio/vfscanf.c: New file.
	* mingwex/stdio/vfwscanf.c:  New file.
	* mingwex/stdio/vscanf.c:  New file.
	* mingwex/stdio/vsscanf.c:  New file.
	* mingwex/stdio/vswscanf.c:  New file.
	* mingwex/stdio/vwscanf.c:  New file.

1 files changed, 41 insertions, 0 deletions

diff --git a/winsup/mingw/mingwex/stdio/vsscanf.c b/winsup/mingw/mingwex/stdio/vsscanf.c
new file mode 100644
index 000000000..33fd333ae
--- /dev/null
+++ b/winsup/mingw/mingwex/stdio/vsscanf.c
@@ -0,0 +1,41 @@
+//  By aaronwl 2003-01-28 for mingw-msvcrt.
+//  Public domain: all copyrights disclaimed, absolutely no warranties.
+
+#include <stdarg.h>
+#include <stdio.h>
+
+
+int vsscanf(const char * __restrict__ s, const char * __restrict__ format, va_list arg) {
+  int ret;
+
+  __asm__(
+
+    // allocate stack (esp += frame - arg3 - (8[arg1,2] + 12))
+    "movl	%%esp, %%ebx\n\t"
+    "lea	0xFFFFFFEC(%%esp, %6), %%esp\n\t"
+    "subl	%5, %%esp\n\t"
+
+    // set up stack
+    "movl	%1, 0xC(%%esp)\n\t"  // s
+    "movl	%2, 0x10(%%esp)\n\t"  // format
+    "lea	0x14(%%esp), %%edi\n\t"
+    "movl	%%edi, (%%esp)\n\t"  // memcpy dest
+    "movl	%5, 0x4(%%esp)\n\t"  // memcpy src
+    "movl	%5, 0x8(%%esp)\n\t"
+    "subl	%6, 0x8(%%esp)\n\t"  // memcpy len
+    "call	_memcpy\n\t"
+    "addl	$12, %%esp\n\t"
+
+    // call sscanf
+    "call	_sscanf\n\t"
+
+    // restore stack
+    "movl	%%ebx, %%esp\n\t"
+
+    : "=a"(ret), "=c"(s), "=d"(format)
+    : "1"(s), "2"(format), "S"(arg),
+      "a"(&ret)
+    : "ebx");
+
+  return ret;
+}