--- ray/src/util/rpiece.c	1995/11/30 14:21:48	2.32
+++ ray/src/util/rpiece.c	1997/07/29 11:27:49	2.35
@@ -47,6 +47,11 @@ char *argv[];
 #define guard_io()	0
 #define unguard()	0
 #endif
+
+#ifndef linux
+extern char  *sys_errlist[];
+#endif
+
 				/* rpict command */
 char  *rpargv[128] = {"rpict", "-S", "1"};
 int  rpargc = 3;
@@ -119,7 +124,7 @@ char  *argv[];
 			case 'p':		/* pixel aspect ratio? */
 				if (argv[i][2] != 'a' || argv[i][3])
 					break;
-				pixaspect = atof(argv[i+1]);
+				pixaspect = atof(argv[++i]);
 				continue;
 			case 'T':		/* time limit (hours) */
 				if (argv[i][2])
@@ -193,7 +198,6 @@ int  fd;
 int  ltyp;
 {
 	static struct flock  fls;	/* static so initialized to zeroes */
-	extern char  *sys_errlist[];
 
 	fls.l_type = ltyp;
 	if (fcntl(fd, F_SETLKW, &fls) < 0) {
@@ -433,8 +437,8 @@ rpiece()			/* render picture piece by piece */
 	}
 					/* render each piece */
 	while (nextpiece(&xorg, &yorg)) {
-		pview.hoff = ourview.hoff + xorg - 0.5*(hmult-1);
-		pview.voff = ourview.voff + yorg - 0.5*(vmult-1);
+		pview.hoff = ourview.hoff*hmult + xorg - 0.5*(hmult-1);
+		pview.voff = ourview.voff*vmult + yorg - 0.5*(vmult-1);
 		fputs(VIEWSTR, torp);
 		fprintview(&pview, torp);
 		putc('\n', torp);
@@ -548,8 +552,6 @@ int  xpos, ypos;
 filerr(t)			/* report file error and exit */
 char  *t;
 {
-	extern char  *sys_errlist[];
-
 	fprintf(stderr, "%s: %s error on file \"%s\": %s\n",
 			progname, t, outfile, sys_errlist[errno]);
 	_exit(1);