--- ray/src/px/psign.c	1994/02/28 09:25:31	2.16
+++ ray/src/px/psign.c	2011/05/20 02:06:39	2.27
@@ -1,23 +1,22 @@
-/* Copyright (c) 1992 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: psign.c,v 2.27 2011/05/20 02:06:39 greg Exp $";
 #endif
-
 /*
  *  psign.c - produce picture from text.
  *
  *	7/1/87
  */
 
-#include  "standard.h"
+#include  "copyright.h"
 
-#include  "color.h"
+#include  <string.h>
 
+#include  "platform.h"
+#include  "standard.h"
+#include  "resolu.h"
+#include  "color.h"
 #include  "font.h"
 
-#include  "paths.h"
-
 #ifndef	 SSS
 #define	 SSS			3	/* super-sample size */
 #endif
@@ -40,6 +39,12 @@ unsigned char  *ourbitmap;		/* our output bitmap */
 int  xsiz, ysiz;			/* bitmap dimensions */
 int  xdim;				/* size of horizontal scan (bytes) */
 
+				/* conflicting def's in param.h */
+#undef	tstbit
+#undef	setbit
+#undef	clrbit
+#undef	tglbit
+
 #define	 bitop(x,y,op)		(ourbitmap[(y)*xdim+((x)>>3)] op (1<<((x)&7)))
 #define	 tstbit(x,y)		bitop(x,y,&)
 #define	 setbit(x,y)		bitop(x,y,|=)
@@ -48,8 +53,6 @@ int  xdim;				/* size of horizontal scan (bytes) */
 
 FONT  *ourfont;				/* our font */
 
-char  *libpath;				/* library search path */
-
 typedef struct line {
 	char  *s;		/* line w/o LF */
 	short  *sp;		/* character spacing */
@@ -60,15 +63,24 @@ LINE  *ourtext;				/* our text */
 int  nlines, maxline;			/* text dimensions */
 int  maxwidth;				/* maximum line width (dvi) */
 
+static void makemap(void);
+static void get_text(FILE  *fp);
+static void arg_text(int  ac, char  *av[]);
+static void maptext(void);
+static void mapglyph(GLYPH  *gl, int  tx0, int  ty0);
+static void mapcoord(int  p[2], int  tx, int  ty);
+static void mapedge(int  x, int  y, int  run, int  rise);
+static void writemap(FILE  *fp);
 
-main(argc, argv)
-int  argc;
-char  *argv[];
+
+int
+main(
+	int  argc,
+	char  *argv[]
+)
 {
 	int  an;
-#ifdef MSDOS
-	setmode(fileno(stdout), O_BINARY);
-#endif
+	SET_FILE_BINARY(stdout);
 	for (an = 1; an < argc && argv[an][0] == '-'; an++)
 		switch (argv[an][1]) {
 		case 'c':			/* color */
@@ -126,12 +138,10 @@ unkopt:
 			exit(1);
 		}
 					/* load font file */
-	if ((libpath = getenv(ULIBVAR)) == NULL)
-		libpath = DEFPATH;
 	ourfont = getfont(fontfile);
 					/* get text */
 	if (an == argc)
-		gettext(stdin);
+		get_text(stdin);
 	else
 		arg_text(argc-an, argv+an);
 
@@ -151,7 +161,8 @@ unkopt:
 }
 
 
-makemap()			/* create the bit map */
+static void
+makemap(void)			/* create the bit map */
 {
 	double	pictaspect;
 	
@@ -207,15 +218,17 @@ makemap()			/* create the bit map */
 	if (ysiz % SSS)
 		ysiz += SSS - ysiz%SSS;
 	xdim = (xsiz+7)/8;
-	ourbitmap = (BYTE *)bmalloc(ysiz*xdim);
+	ourbitmap = (uby8 *)bmalloc(ysiz*xdim);
 	if (ourbitmap == NULL)
 		error(SYSTEM, "Out of memory in makemap");
-	bzero((char *)ourbitmap, ysiz*xdim);
+	memset((char *)ourbitmap, '\0', ysiz*xdim);
 }
 
 
-gettext(fp)			/* get text from a file */
-FILE  *fp;
+static void
+get_text(			/* get text from a file */
+	FILE  *fp
+)
 {
 	char  buf[MAXLINE];
 	register LINE  *curl;
@@ -229,9 +242,9 @@ FILE  *fp;
 		if (curl == NULL)
 			goto memerr;
 		len = strlen(buf);
-		curl->s = malloc(len);
+		curl->s = (char *)malloc(len);
 		curl->sp = (short *)malloc(sizeof(short)*len--);
-		if (curl->s == NULL | curl->sp == NULL)
+		if ((curl->s == NULL) | (curl->sp == NULL))
 			goto memerr;
 		if (len > maxline)
 			maxline = len;
@@ -253,20 +266,22 @@ FILE  *fp;
 	}
 	return;
 memerr:
-	error(SYSTEM, "Out of memory in gettext");
+	error(SYSTEM, "Out of memory in get_text");
 }
 
 
-arg_text(ac, av)			/* get text from arguments */
-int  ac;
-char  *av[];
+static void
+arg_text(			/* get text from arguments */
+	int  ac,
+	char  *av[]
+)
 {
 	register char  *cp;
 
 	ourtext = (LINE *)malloc(sizeof(LINE));
 	if (ourtext == NULL)
 		goto memerr;
-	ourtext->s = malloc(MAXLINE);
+	ourtext->s = (char *)malloc(MAXLINE);
 	if (ourtext->s == NULL)
 		goto memerr;
 	for (cp = ourtext->s; ac-- > 0; av++) {
@@ -295,7 +310,8 @@ memerr:
 }
 
 
-maptext()			/* map our text */
+static void
+maptext(void)			/* map our text */
 {
 	register LINE  *curl;
 	int  l, len;
@@ -311,9 +327,12 @@ maptext()			/* map our text */
 }
 
 
-mapglyph(gl, tx0, ty0)		/* convert a glyph */
-GLYPH  *gl;
-int  tx0, ty0;
+static void
+mapglyph(		/* convert a glyph */
+	GLYPH  *gl,
+	int  tx0,
+	int  ty0
+)
 {
 	int  n;
 	register GORD  *gp;
@@ -334,8 +353,12 @@ int  tx0, ty0;
 }
 
 
-mapcoord(p, tx, ty)		/* map text to picture coordinates */
-int  p[2], tx, ty;
+static void
+mapcoord(		/* map text to picture coordinates */
+	int  p[2],
+	int  tx,
+	int  ty
+)
 {
 	tx = (long)tx*cwidth >> 8;
 	ty = (long)ty*cheight >> 8;
@@ -361,9 +384,13 @@ int  p[2], tx, ty;
 }
 
 
-mapedge(x, y, run, rise)		/* map an edge */
-register int  x, y;
-int  run, rise;
+static void
+mapedge(		/* map an edge */
+	register int  x,
+	register int  y,
+	int  run,
+	int  rise
+)
 {
 	int  xstep;
 	int  rise2, run2;
@@ -398,8 +425,10 @@ int  run, rise;
 }
 
 
-writemap(fp)			/* write out bitmap */
-FILE  *fp;
+static void
+writemap(			/* write out bitmap */
+	FILE  *fp
+)
 {
 	COLR  pixval[SSS*SSS+1];	/* possible pixel values */
 	COLOR  ctmp0, ctmp1;
@@ -444,5 +473,5 @@ FILE  *fp;
 			exit(1);
 		}
 	}
-	free((char *)scanout);
+	free((void *)scanout);
 }