Add -Owidth=width option to mandoc -Tascii. Asked for by joerg@ about a

thousand years ago.  Note that this is normalised to >=60.

4 files changed, 29 insertions, 9 deletions

diff --git a/html.c b/html.c
index 5dca90a1..7dce7473 100644
--- a/html.c
+++ b/html.c
@@ -35,8 +35,6 @@
 #include "html.h"
 #include "main.h"
 
-#define	UNCONST(a)	((void *)(uintptr_t)(const void *)(a))
-
 struct	htmldata {
 	const char	 *name;
 	int		  flags;
diff --git a/main.c b/main.c
index 7bab2768..e27e2bf1 100644
--- a/main.c
+++ b/main.c
@@ -601,7 +601,7 @@ fdesc(struct curparse *curp)
 		case (OUTT_LINT):
 			break;
 		default:
-			curp->outdata = ascii_alloc(80);
+			curp->outdata = ascii_alloc(curp->outopts);
 			curp->outman = terminal_man;
 			curp->outmdoc = terminal_mdoc;
 			curp->outfree = terminal_free;
diff --git a/main.h b/main.h
index 20ed51ec..45c092e9 100644
--- a/main.h
+++ b/main.h
@@ -22,6 +22,9 @@ __BEGIN_DECLS
 struct	mdoc;
 struct	man;
 
+#define	UNCONST(a)	((void *)(uintptr_t)(const void *)(a))
+
+
 /* 
  * Definitions for main.c-visible output device functions, e.g., -Thtml
  * and -Tascii.  Note that ascii_alloc() is named as such in
@@ -38,7 +41,7 @@ void		  html_free(void *);
 void		  tree_mdoc(void *, const struct mdoc *);
 void		  tree_man(void *, const struct man *);
 
-void		 *ascii_alloc(size_t);
+void		 *ascii_alloc(char *);
 void		  terminal_mdoc(void *, const struct mdoc *);
 void		  terminal_man(void *, const struct man *);
 void		  terminal_free(void *);
diff --git a/term.c b/term.c
index 03d1ec5b..9506101c 100644
--- a/term.c
+++ b/term.c
@@ -22,6 +22,7 @@
 
 #include <assert.h>
 #include <ctype.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -35,7 +36,7 @@
 #include "mdoc.h"
 #include "main.h"
 
-static	struct termp	 *term_alloc(enum termenc, size_t);
+static	struct termp	 *term_alloc(char *, enum termenc);
 static	void		  term_free(struct termp *);
 static	void		  spec(struct termp *, const char *, size_t);
 static	void		  res(struct termp *, const char *, size_t);
@@ -46,10 +47,10 @@ static	void		  encode(struct termp *, const char *, size_t);
 
 
 void *
-ascii_alloc(size_t width)
+ascii_alloc(char *outopts)
 {
 
-	return(term_alloc(TERMENC_ASCII, width));
+	return(term_alloc(outopts, TERMENC_ASCII));
 }
 
 
@@ -75,17 +76,35 @@ term_free(struct termp *p)
 
 
 static struct termp *
-term_alloc(enum termenc enc, size_t width)
+term_alloc(char *outopts, enum termenc enc)
 {
-	struct termp *p;
+	struct termp	*p;
+	const char	*toks[2];
+	char		*v;
+	size_t		 width;
+
+	toks[0] = "width";
+	toks[1] = NULL;
 
 	p = calloc(1, sizeof(struct termp));
 	if (NULL == p) {
 		perror(NULL);
 		exit(EXIT_FAILURE);
 	}
+
 	p->tabwidth = 5;
 	p->enc = enc;
+	width = 80;
+
+	while (outopts && *outopts)
+		switch (getsubopt(&outopts, UNCONST(toks), &v)) {
+		case (0):
+			width = atoi(v);
+			break;
+		default:
+			break;
+		}
+
 	/* Enforce some lower boundary. */
 	if (width < 60)
 		width = 60;