From: Antony Dovgal <tony2001@php.net>
Date: Thu, 22 Feb 2007 23:40:39 +0000 (+0000)
Subject: MFH: check for buflen (on FreeBSD _SC_GETGR_R_SIZE_MAX is not implemented)
X-Git-Tag: php-5.2.2RC1~319
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e0a7362646ddddc8e3fa9aa9c5b9547a7391dfec;p=php

MFH: check for buflen (on FreeBSD _SC_GETGR_R_SIZE_MAX is not implemented)
patch by stas at FreeBSD dot org
---

diff --git a/ext/posix/posix.c b/ext/posix/posix.c
index 0c37784264..35910e0f28 100644
--- a/ext/posix/posix.c
+++ b/ext/posix/posix.c
@@ -887,6 +887,10 @@ PHP_FUNCTION(posix_getgrgid)
 #if defined(ZTS) && defined(HAVE_GETGRGID_R) && defined(_SC_GETGR_R_SIZE_MAX)
 	
 	grbuflen = sysconf(_SC_GETGR_R_SIZE_MAX);
+	if (grbuflen < 1) {
+		RETURN_FALSE;
+	}
+
 	grbuf = emalloc(grbuflen);
 
 	ret = getgrgid_r(gid, &_g, grbuf, grbuflen, &retgrptr);