Clamp width and indent settings to sensible values.

Ignore errors for now.
Patch from tedu@.

1 files changed, 8 insertions, 2 deletions

diff --git a/term_ascii.c b/term_ascii.c
index ee630493..77a3d591 100644
--- a/term_ascii.c
+++ b/term_ascii.c
@@ -63,6 +63,8 @@ ascii_init(enum termenc enc, const struct mchars *mchars, char *outopts)
 	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 struct mchars *mchars, char *outopts)
 	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:
 			/*