===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/awk/lib.c,v
retrieving revision 1.37
retrieving revision 1.38
diff -u -r1.37 -r1.38
--- src/usr.bin/awk/lib.c	2020/06/16 16:14:22	1.37
+++ src/usr.bin/awk/lib.c	2020/06/26 15:50:06	1.38
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lib.c,v 1.37 2020/06/16 16:14:22 millert Exp $	*/
+/*	$OpenBSD: lib.c,v 1.38 2020/06/26 15:50:06 millert Exp $	*/
 /****************************************************************
 Copyright (C) Lucent Technologies 1997
 All Rights Reserved
@@ -760,6 +760,9 @@
 /* strtod is supposed to be a proper test of what's a valid number */
 /* appears to be broken in gcc on linux: thinks 0x123 is a valid FP number */
 /* wrong: violates 4.10.1.4 of ansi C standard */
+/* well, not quite. As of C99, hex floating point is allowed. so this is
+ * a bit of a mess.
+ */
 
 #include <math.h>
 int is_number(const char *s)
@@ -770,7 +773,8 @@
 	r = strtod(s, &ep);
 	if (ep == s || r == HUGE_VAL || errno == ERANGE)
 		return 0;
-	while (*ep == ' ' || *ep == '\t' || *ep == '\n')
+	/* allow \r as well. windows files aren't going to go away. */
+	while (*ep == ' ' || *ep == '\t' || *ep == '\n' || *ep == '\r')
 		ep++;
 	if (*ep == '\0')
 		return 1;