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check for buflen (on FreeBSD _SC_GETGR_R_SIZE_MAX is not implemented)

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patch by stas at FreeBSD dot org
This commit is contained in:
Antony Dovgal
2007-02-22 23:40:25 +00:00
parent bbfce40c49
commit 65b54baac4
1 changed files with 4 additions and 0 deletions
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4
ext/posix/posix.c
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@@ -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);