patch-clang-compat

--- src/splash.c.orig	1998-08-17 23:45:16.000000000 +0200
+++ src/splash.c	2011-12-07 12:30:10.488300879 +0100
@@ -31,30 +31,42 @@
 
 /* xwud - marginally useful raster image undumper */
 
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <signal.h>
 
 #include <X11/Xos.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
-#include <stdio.h>
 #include <X11/XWDFile.h>
 #define  XK_LATIN1
 #include <X11/keysymdef.h>
-#include <errno.h>
-#include <signal.h>
 
 #ifdef X_NOT_STDC_ENV
 extern int errno;
 #endif
 
-extern char *malloc();
 unsigned Image_Size();
 Atom wm_protocols;
 Atom wm_delete_window;
 static int split;
+void Error();
+void putScaledImage();
+void putImage();
+void Latin1Upper();
+void Extract_Plane();
+void Do_StdGray();
+void Do_StdCol();
+void Do_Direct();
+void Do_Pseudo();
+void _swapshort();
+  void _swaplong();
 
 char *progname;
 
+void
 usage()
 {
     fprintf(stderr, "usage: %s [-in <file>] [-noclick] [-geometry <geom>] [-display <display>]\n", progname);
@@ -304,7 +316,7 @@
 	Error("Invalid input image header data.");
 
     /* read in the color map buffer */
-    if(ncolors = header.ncolors) {
+    if((ncolors = header.ncolors)) {
 	colors = (XColor *)malloc((unsigned) ncolors * sizeof(XColor));
 	if (!colors)
 	    Error("Can't malloc color table");
@@ -658,7 +670,7 @@
     while ( quit == 0 ) {
 
 		/* wait on mouse input event to terminate */
-		if (got_event = 0) {
+		if (got_event == 0) {
 			sleep (1);
 		}
 
@@ -724,6 +736,7 @@
 	return 0;
 }
 
+void
 putImage (dpy, image_win, gc, out_image, x, y, w, h)
     Display	*dpy;
     Window	image_win;
@@ -762,6 +775,7 @@
   Dimension *width, *height;
 } Table;
 
+void
 putScaledImage(display, d, gc, src_image, exp_x, exp_y,
 	       exp_width, exp_height, dest_width, dest_height)
     Display*		 display;
@@ -886,13 +900,14 @@
     XDestroyImage(dest_image);
 }
 
+void
 Latin1Upper(s)
     char *s;
 {
     unsigned char *str = (unsigned char *)s;
     unsigned char c;
 
-    for (; c = *str; str++)
+    while ((c = *str++))
     {
 	if ((c >= XK_a) && (c <= XK_z))
 	    *str = c - (XK_a - XK_A);
@@ -903,6 +918,7 @@
     }
 }
 
+void
 Extract_Plane(in_image, out_image, plane)
     register XImage *in_image, *out_image;
     int plane;
@@ -925,6 +941,7 @@
 	return vinfo->colormap_size;
 }
 
+int
 VisualRank(class)
     int class;
 {
@@ -942,6 +959,7 @@
     case StaticGray:
 	return 0;
     }
+    return -1;
 }
 
 int
@@ -956,6 +974,7 @@
     return (color.green || color.blue);
 }
 
+void
 Do_StdGray(dpy, stdmap, ncolors, colors, in_image, out_image)
     Display *dpy;
     XStandardColormap *stdmap;
@@ -971,8 +990,7 @@
     for (i = 0, color = colors; i < ncolors; i++, color++)
 	color->pixel = stdmap->base_pixel +
 		       (((((int)(30L * color->red +
-			         59L * color->green +
-			         11L * color->blue) / 100)
+			         59L * color->green +			         11L * color->blue) / 100)
 			  * lim) >> 16) * stdmap->red_mult);
     for (y = 0; y < in_image->height; y++) {
 	for (x = 0; x < in_image->width; x++) {
@@ -984,6 +1002,7 @@
 
 #define MapVal(val,lim,mult) ((((val * lim) + 32768) / 65535) * mult)
 
+void
 Do_StdCol(dpy, stdmap, ncolors, colors, in_image, out_image)
     Display *dpy;
     XStandardColormap *stdmap;
@@ -1021,6 +1040,7 @@
     Error("Visual type is not large enough to hold all colors of the image.");
 }
 
+void
 Do_Pseudo(dpy, colormap, ncolors, colors, in_image, out_image)
     Display *dpy;
     Colormap *colormap;
@@ -1048,6 +1068,7 @@
     }
 }
 
+void
 Do_Direct(dpy, header, colormap, ncolors, colors, in_image, out_image)
     Display *dpy;
     XWDFileHeader *header;
@@ -1165,6 +1186,7 @@
     return((unsigned)image->bytes_per_line * image->height);
 }
 
+void
 Error(string)
 	char *string;
 {
@@ -1176,6 +1198,7 @@
 	exit(1);
 }
 
+void
 _swapshort (bp, n)
     register char *bp;
     register unsigned n;
@@ -1191,6 +1214,7 @@
     }
 }
 
+void
 _swaplong (bp, n)
     register char *bp;
     register unsigned n;