--- /dev/null
+++ Libc/Libc-391.1.21/stdlib/OpenBSD/gcvt.c.patch
@@ -0,0 +1,75 @@
+--- gcvt.c.orig	Thu Jul  8 16:06:45 2004
++++ gcvt.c	Fri Jul  9 12:16:25 2004
+@@ -27,14 +27,17 @@
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
++#include <locale.h>
+ 
+ extern char *__dtoa(double, int, int, int *, int *, char **);
++extern void __freedtoa(char *);
+ 
+ char *
+ gcvt(double value, int ndigit, char *buf)
+ {
+ 	char *digits, *dst, *src;
+ 	int i, decpt, sign;
++	char *decimal_point = localeconv()->decimal_point;
+ 
+ 	if (ndigit == 0) {
+ 		buf[0] = '\0';
+@@ -43,8 +46,12 @@
+ 
+ 	digits = __dtoa(value, 2, ndigit, &decpt, &sign, NULL);
+ 	if (decpt == 9999) {
+-		/* Infinity or NaN, assume buffer is at least ndigit long. */
+-		strlcpy(buf, digits, ndigit + 1);
++		/* Infinity or NaN, assume buffer is long enough. */
++		dst = buf;
++		if (sign)
++			*dst++ = '-';
++		strcpy(dst, (*digits == 'N') ? "nan" : "inf");
++		__freedtoa(digits);
+ 		return (buf);
+ 	}
+ 
+@@ -59,7 +66,10 @@
+ 			decpt = -decpt;
+ 		} else
+ 			sign = 0;
+-		for (src = digits; *src != '\0'; )
++		src = digits;
++		*dst++ = *src++;
++		dst = stpcpy(dst, decimal_point);
++		while (*src != '\0')
+ 			*dst++ = *src++;
+ 		*dst++ = 'e';
+ 		if (sign)
+@@ -72,8 +82,8 @@
+ 			*dst = '\0';
+ 		} else {
+ 			/* XXX - optimize */
+-			for (sign = decpt, i = 0; (sign /= 10) != 0; i++)
+-				sign /= 10;
++			for (sign = decpt, i = 0; (sign /= 10) != 0; i++) {}
++			dst[i + 1] = '\0';
+ 			while (decpt != 0) {
+ 				dst[i--] = '0' + decpt % 10;
+ 				decpt /= 10;
+@@ -88,12 +98,15 @@
+ 				*dst++ = '0';
+ 		}
+ 		if (*src != '\0') {
+-			*dst++ = '.';		/* XXX - locale-specific (LC_NUMERIC) */
++			if (src == digits) /* need leading zero */
++				*dst++ = '0';
++			dst = stpcpy(dst, decimal_point);
+ 			for (i = decpt; digits[i] != '\0'; i++) {
+ 				*dst++ = digits[i];
+ 			}
+ 		}
+ 		*dst = '\0';
+ 	}
++	__freedtoa(digits);
+ 	return (buf);
+ }