nixpkgs/pkgs/development/libraries/openssl/cert-file-path-max.patch

This patch, to be applied after `cert-file.patch', fixes compilation
on GNU/Hurd where `PATH_MAX' is not defined.

diff -ubB --show-c-function openssl-1.0.0e/crypto/x509/x509_def.c.orig openssl-1.0.0e/crypto/x509/x509_def.c
--- openssl-1.0.0e/crypto/x509/x509_def.c.orig	2012-01-06 00:08:48.000000000 +0100
+++ openssl-1.0.0e/crypto/x509/x509_def.c	2012-01-06 00:11:29.000000000 +0100
@@ -58,6 +58,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <limits.h>
 #include <unistd.h>
 #include <sys/types.h>
@@ -76,14 +77,16 @@ const char *X509_get_default_cert_dir(vo
 
 const char *X509_get_default_cert_file(void)
 	{
-	static char buf[PATH_MAX] = X509_CERT_FILE;
+	static char *buf;
 	static int init = 0;
 	if (!init) {
 	    init = 1;
 	    char * s = getenv("OPENSSL_X509_CERT_FILE");
 	    if (s && getuid() == geteuid()) {
-		strncpy(buf, s, sizeof(buf));
-		buf[sizeof(buf) - 1] = 0;
+	         buf = strdup(s);
+	    }
+	    if (!s) {
+	         buf = strdup(X509_CERT_FILE);
 	    }
 	}
 	return buf;