From: Antony Dovgal <tony2001@php.net>
Date: Thu, 22 Feb 2007 23:40:25 +0000 (+0000)
Subject: check for buflen (on FreeBSD _SC_GETGR_R_SIZE_MAX is not implemented)
X-Git-Tag: RELEASE_1_0_1~181
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=65b54baac41e25492dcc3d4e35871bbb9c3755fa;p=php

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 35e9bda16f..97ec512366 100644
--- a/ext/posix/posix.c
+++ b/ext/posix/posix.c
@@ -885,6 +885,10 @@ 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);