--- /dev/null
+++ Libc/Libc-763.12/stdlib/OpenBSD/gcvt.c.patch
@@ -0,0 +1,20 @@
+--- gcvt.c.orig	2009-11-06 00:45:45.000000000 -0800
++++ gcvt.c	2009-11-06 00:52:51.000000000 -0800
+@@ -68,7 +68,7 @@ gcvt(double value, int ndigit, char *buf
+ 			sign = 0;
+ 		src = digits;
+ 		*dst++ = *src++;
+-		*dst++ = *lconv->decimal_point;
++		dst = stpcpy(dst, lconv->decimal_point);
+ 		while (*src != '\0')
+ 			*dst++ = *src++;
+ 		*dst++ = 'e';
+@@ -101,7 +101,7 @@ gcvt(double value, int ndigit, char *buf
+ 		if (*src != '\0') {
+ 			if (src == digits)
+ 				*dst++ = '0';	/* zero before decimal point */
+-			*dst++ = *lconv->decimal_point;
++			dst = stpcpy(dst, lconv->decimal_point);
+ 			for (i = decpt; digits[i] != '\0'; i++) {
+ 				*dst++ = digits[i];
+ 			}