mdocml: Add in -Opaper=xxx support for -Tps postscript.

[kristaps@mdocml.bsd.lv]

Log Message:
-----------
Add in -Opaper=xxx support for -Tps postscript.  This doesn't have any
functional changes beyond the getsubopt() parse in term_ps.c.  If you
want to test this (it only does -Opaper=a4 and -Opaper=letter; adding
more is trivial), make sure you specify (e.g.) -sPAPERSIZE=a4 to gs(1).

Modified Files:
--------------
    mdocml:
        main.c
        main.h
        term_ps.c

Revision Data
-------------
Index: term_ps.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/term_ps.c,v
retrieving revision 1.16
retrieving revision 1.17
diff -Lterm_ps.c -Lterm_ps.c -u -p -r1.16 -r1.17
--- term_ps.c
+++ term_ps.c
@@ -22,6 +22,7 @@
 
 #include <assert.h>
 #include <stdarg.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -373,14 +374,17 @@ static	void		  ps_setfont(struct termp *
 
 
 void *
-ps_alloc(void)
+ps_alloc(char *outopts)
 {
 	struct termp	*p;
 	size_t		 pagex, pagey, margin;
+	const char	*toks[2];
+	char		*v;
 
 	if (NULL == (p = term_alloc(TERMENC_ASCII)))
 		return(NULL);
 
+	/* Default is USA letter. */
 	pagex = 612;
 	pagey = 792;
 	margin = 72;
@@ -392,6 +396,24 @@ ps_alloc(void)
 	p->advance = ps_advance;
 	p->endline = ps_endline;
 	p->width = ps_width;
+
+	toks[0] = "paper";
+	toks[1] = NULL;
+
+	while (outopts && *outopts)
+		switch (getsubopt(&outopts, UNCONST(toks), &v)) {
+		case (0):
+			if (0 == strcasecmp(v, "a4")) {
+				pagex = 595;
+				pagey = 842;
+			} else if (0 == strcasecmp(v, "letter")) {
+				pagex = 612;
+				pagey = 792;
+			}
+			break;
+		default:
+			break;
+		}
 
 	assert(margin * 2 < pagex);
 	assert(margin * 2 < pagey);
Index: main.h
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/main.h,v
retrieving revision 1.7
retrieving revision 1.8
diff -Lmain.h -Lmain.h -u -p -r1.7 -r1.8
--- main.h
+++ main.h
@@ -44,7 +44,7 @@ void		  tree_man(void *, const struct ma
 void		 *ascii_alloc(char *);
 void		  ascii_free(void *);
 
-void		 *ps_alloc(void);
+void		 *ps_alloc(char *);
 void		  ps_free(void *);
 
 void		  terminal_mdoc(void *, const struct mdoc *);
Index: main.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/main.c,v
retrieving revision 1.92
retrieving revision 1.93
diff -Lmain.c -Lmain.c -u -p -r1.92 -r1.93
--- main.c
+++ main.c
@@ -599,7 +599,7 @@ fdesc(struct curparse *curp)
 			curp->outfree = ascii_free;
 			break;
 		case (OUTT_PS):
-			curp->outdata = ps_alloc();
+			curp->outdata = ps_alloc(curp->outopts);
 			curp->outfree = ps_free;
 			break;
 		default:
--
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