From 435e0fb79416aa764cb4f1b197ecbe24887f3de4 Mon Sep 17 00:00:00 2001
From: Joerg Sonnenberger <joerg@netbsd.org>
Date: Sat, 15 May 2010 16:18:23 +0000
Subject: Make the output width an option for ascii_alloc and use that to
 compute the default margin. Hard-code 80 chars/line for now.

---
 main.c      |  2 +-
 main.h      |  2 +-
 man_term.c  |  8 ++++++--
 mdoc_term.c |  2 +-
 term.c      | 12 ++++++++----
 term.h      |  1 +
 6 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/main.c b/main.c
index d8b95c7a..fa071f48 100644
--- a/main.c
+++ b/main.c
@@ -484,7 +484,7 @@ fdesc(struct curparse *curp)
 		case (OUTT_LINT):
 			break;
 		default:
-			curp->outdata = ascii_alloc();
+			curp->outdata = ascii_alloc(80);
 			curp->outman = terminal_man;
 			curp->outmdoc = terminal_mdoc;
 			curp->outfree = terminal_free;
diff --git a/main.h b/main.h
index 63bc2b67..20ed51ec 100644
--- a/main.h
+++ b/main.h
@@ -38,7 +38,7 @@ void		  html_free(void *);
 void		  tree_mdoc(void *, const struct mdoc *);
 void		  tree_man(void *, const struct man *);
 
-void		 *ascii_alloc(void);
+void		 *ascii_alloc(size_t);
 void		  terminal_mdoc(void *, const struct mdoc *);
 void		  terminal_man(void *, const struct man *);
 void		  terminal_free(void *);
diff --git a/man_term.c b/man_term.c
index f2410527..bde7680a 100644
--- a/man_term.c
+++ b/man_term.c
@@ -163,7 +163,7 @@ terminal_man(void *arg, const struct man *man)
 	p = (struct termp *)arg;
 
 	p->overstep = 0;
-	p->maxrmargin = 65;
+	p->maxrmargin = p->defrmargin;
 
 	if (NULL == p->symtab)
 		switch (p->enc) {
@@ -803,6 +803,7 @@ post_RS(DECL_ARGS)
 static void
 print_man_node(DECL_ARGS)
 {
+	size_t		 rm, rmax;
 	int		 c;
 
 	c = 1;
@@ -819,10 +820,13 @@ print_man_node(DECL_ARGS)
 		/* FIXME: this means that macro lines are munged!  */
 
 		if (MANT_LITERAL & mt->fl) {
+			rm = p->rmargin;
+			rmax = p->maxrmargin;
 			p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
 			p->flags |= TERMP_NOSPACE;
 			term_flushln(p);
-			p->rmargin = p->maxrmargin = 65;
+			p->rmargin = rm;
+			p->maxrmargin = rmax;
 		}
 		break;
 	default:
diff --git a/mdoc_term.c b/mdoc_term.c
index 7413a541..5cbcef77 100644
--- a/mdoc_term.c
+++ b/mdoc_term.c
@@ -273,7 +273,7 @@ terminal_mdoc(void *arg, const struct mdoc *mdoc)
 	p = (struct termp *)arg;
 
 	p->overstep = 0;
-	p->maxrmargin = 78;
+	p->maxrmargin = p->defrmargin;
 
 	if (NULL == p->symtab)
 		switch (p->enc) {
diff --git a/term.c b/term.c
index bdd3d38c..8d612bbf 100644
--- a/term.c
+++ b/term.c
@@ -34,7 +34,7 @@
 #include "mdoc.h"
 #include "main.h"
 
-static	struct termp	 *term_alloc(enum termenc);
+static	struct termp	 *term_alloc(enum termenc, size_t);
 static	void		  term_free(struct termp *);
 static	void		  spec(struct termp *, const char *, size_t);
 static	void		  res(struct termp *, const char *, size_t);
@@ -45,10 +45,10 @@ static	void		  encode(struct termp *, const char *, size_t);
 
 
 void *
-ascii_alloc(void)
+ascii_alloc(size_t width)
 {
 
-	return(term_alloc(TERMENC_ASCII));
+	return(term_alloc(TERMENC_ASCII, width));
 }
 
 
@@ -74,7 +74,7 @@ term_free(struct termp *p)
 
 
 static struct termp *
-term_alloc(enum termenc enc)
+term_alloc(enum termenc enc, size_t width)
 {
 	struct termp *p;
 
@@ -84,6 +84,10 @@ term_alloc(enum termenc enc)
 		exit(EXIT_FAILURE);
 	}
 	p->enc = enc;
+	/* Enforce some lower boundary. */
+	if (width < 60)
+		width = 60;
+	p->defrmargin = width - 2;
 	return(p);
 }
 
diff --git a/term.h b/term.h
index 62da4174..b0df752f 100644
--- a/term.h
+++ b/term.h
@@ -32,6 +32,7 @@ enum	termfont {
 #define	TERM_MAXMARGIN	  100000 /* FIXME */
 
 struct	termp {
+	size_t		  defrmargin;	/* Right margin of the device.. */
 	size_t		  rmargin;	/* Current right margin. */
 	size_t		  maxrmargin;	/* Max right margin. */
 	size_t		  maxcols;	/* Max size of buf. */
-- 
cgit