mdocml: Clamp width and indent settings to sensible values.

[schwarze@mdocml.bsd.lv]

Log Message:
-----------
Clamp width and indent settings to sensible values.
Ignore errors for now.
Patch from tedu@.

Modified Files:
--------------
    mdocml:
        term_ascii.c

Revision Data
-------------
Index: term_ascii.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/term_ascii.c,v
retrieving revision 1.42
retrieving revision 1.43
diff -Lterm_ascii.c -Lterm_ascii.c -u -p -r1.42 -r1.43
--- term_ascii.c
+++ term_ascii.c
@@ -63,6 +63,8 @@ ascii_init(enum termenc enc, const struc
 	const char	*toks[5];
 	char		*v;
 	struct termp	*p;
+	const char	*errstr;
+	int		num;
 
 	p = mandoc_calloc(1, sizeof(struct termp));
 
@@ -109,10 +111,14 @@ ascii_init(enum termenc enc, const struc
 	while (outopts && *outopts)
 		switch (getsubopt(&outopts, UNCONST(toks), &v)) {
 		case 0:
-			p->defindent = (size_t)atoi(v);
+			num = strtonum(v, 0, 1000, &errstr);
+			if (!errstr)
+				p->defindent = num;
 			break;
 		case 1:
-			p->defrmargin = (size_t)atoi(v);
+			num = strtonum(v, 0, 1000, &errstr);
+			if (!errstr)
+				p->defrmargin = num;
 			break;
 		case 2:
 			/*
--
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