summaryrefslogtreecommitdiff
path: root/usr.bin/mandoc/out.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr.bin/mandoc/out.c')
-rw-r--r--usr.bin/mandoc/out.c57
1 files changed, 13 insertions, 44 deletions
diff --git a/usr.bin/mandoc/out.c b/usr.bin/mandoc/out.c
index 402ea1e9000..a7c3a6b9eea 100644
--- a/usr.bin/mandoc/out.c
+++ b/usr.bin/mandoc/out.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: out.c,v 1.26 2014/12/04 02:05:16 schwarze Exp $ */
+/* $OpenBSD: out.c,v 1.27 2014/12/23 03:27:36 schwarze Exp $ */
/*
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2011, 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -18,8 +18,6 @@
#include <sys/types.h>
#include <assert.h>
-#include <ctype.h>
-#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
@@ -37,53 +35,23 @@ static void tblcalc_number(struct rofftbl *, struct roffcol *,
/*
- * Convert a `scaling unit' to a consistent form, or fail. Scaling
- * units are documented in groff.7, mdoc.7, man.7.
+ * Parse the *src string and store a scaling unit into *dst.
+ * If the string doesn't specify the unit, use the default.
+ * If no default is specified, fail.
+ * Return 1 on success and 0 on failure.
*/
int
a2roffsu(const char *src, struct roffsu *dst, enum roffscale def)
{
- char buf[BUFSIZ], hasd;
- int i;
+ char *endptr;
+ double scale;
enum roffscale unit;
- if ('\0' == *src)
- return(0);
-
- i = hasd = 0;
-
- switch (*src) {
- case '+':
- src++;
- break;
- case '-':
- buf[i++] = *src++;
- break;
- default:
- break;
- }
-
- if ('\0' == *src)
- return(0);
-
- while (i < BUFSIZ) {
- if ( ! isdigit((unsigned char)*src)) {
- if ('.' != *src)
- break;
- else if (hasd)
- break;
- else
- hasd = 1;
- }
- buf[i++] = *src++;
- }
-
- if (BUFSIZ == i || (*src && *(src + 1)))
+ scale = strtod(src, &endptr);
+ if (endptr == src || (endptr[0] != '\0' && endptr[1] != '\0'))
return(0);
- buf[i] = '\0';
-
- switch (*src) {
+ switch (*endptr) {
case 'c':
unit = SCALE_CM;
break;
@@ -124,8 +92,9 @@ a2roffsu(const char *src, struct roffsu *dst, enum roffscale def)
}
/* FIXME: do this in the caller. */
- if ((dst->scale = atof(buf)) < 0.0)
- dst->scale = 0.0;
+ if (scale < 0.0)
+ scale = 0.0;
+ dst->scale = scale;
dst->unit = unit;
return(1);
}