fixes to handle URL and files the same way.

Reference: /n/sources/patch/saved/dt.showfile
Date: Wed May 24 18:36:50 CES 2006
Signed-off-by: fst@9netics.com

--- /sys/src/cmd/unix/drawterm/include/9windows.h	Wed May 24 18:34:38 2006
+++ /sys/src/cmd/unix/drawterm/include/9windows.h	Wed May 24 18:34:35 2006
@@ -18,3 +18,4 @@
 
 typedef __int64		p9_vlong;
 typedef	unsigned __int64 p9_uvlong;
+typedef uintptr_t uintptr;
--- /sys/src/cmd/unix/drawterm/include/lib.h	Wed May 24 18:34:51 2006
+++ /sys/src/cmd/unix/drawterm/include/lib.h	Wed May 24 18:34:48 2006
@@ -223,6 +223,9 @@
 extern	Rune*	runesmprint(char*, ...);
 extern	Rune*	runevsmprint(char*, va_list);
 
+extern  long    runestrlen(Rune*);
+extern  Rune*   runestrchr(Rune*, Rune);
+
 extern	int	fmtfdinit(Fmt*, int, char*, int);
 extern	int	fmtfdflush(Fmt*);
 extern	int	fmtstrinit(Fmt*);
--- /sys/src/cmd/unix/drawterm/kern/win32.c	Wed May 24 18:35:08 2006
+++ /sys/src/cmd/unix/drawterm/kern/win32.c	Wed May 24 18:35:05 2006
@@ -448,23 +448,16 @@
 long
 showfilewrite(char *a, int n)
 {
-	Rune *action, *arg, *cmd;
+	Rune *arg;
 	static Rune Lopen[] = { 'o', 'p', 'e', 'n', 0 };
+	static Rune Lexplorer[] = { 'e', 'x', 'p', 'l', 'o', 'r', 'e', 'r', 0 };
 
-	cmd = runesmprint("%.*s", n, a);
-	if(cmd == nil)
+	arg = runesmprint("%.*s", n, a);
+	if(arg == nil)
 		error("out of memory");
-	if(cmd[runestrlen(cmd)-1] == '\n')
-		cmd[runestrlen(cmd)] = 0;
-	p = runestrchr(cmd, ' ');
-	if(p){
-		action = cmd;
-		*p++ = 0;
-		arg = p;
-	}else{
-		action = Lopen;
-		arg = cmd;
-	}
-	ShellExecute(0, 0, action, arg, 0, SW_SHOWNORMAL);
+	if(arg[runestrlen(arg)-1] == '\n')
+		arg[runestrlen(arg)] = 0;
+
+	ShellExecute(0, Lopen, Lexplorer, arg, 0, SW_SHOWNORMAL);
 	return n;
 }
--- /sys/src/cmd/unix/drawterm/libc/Makefile	Wed May 24 18:35:26 2006
+++ /sys/src/cmd/unix/drawterm/libc/Makefile	Wed May 24 18:35:23 2006
@@ -49,6 +49,8 @@
 	runesmprint.$O\
 	runesnprint.$O\
 	runesprint.$O\
+	runestrchr.$O\
+	runestrlen.$O\
 	runetype.$O\
 	runevseprint.$O\
 	runevsmprint.$O\
--- /sys/src/cmd/unix/drawterm/libc/fltfmt.c	Wed May 24 18:35:47 2006
+++ /sys/src/cmd/unix/drawterm/libc/fltfmt.c	Wed May 24 18:35:44 2006
@@ -1,6 +1,6 @@
 #include <u.h>
-#include <libc.h>
 #include <float.h>
+#include <libc.h>
 #include <ctype.h>
 #include "fmtdef.h"