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[Bug nis/3975] New: initgroups_dyn
- From: "cscholes0 at yahoo dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 5 Feb 2007 23:32:52 -0000
- Subject: [Bug nis/3975] New: initgroups_dyn
- Reply-to: sourceware-bugzilla at sourceware dot org
I am trying to implement my own initgroups_dyn function to plug into glibc.
However, I am not sure how to implement this properly. Looking at other code
(_nss_compat_initgroups_dyn), I am guessing that I need to realloc (or
extend_alloca) groupsp if size - start is not big enough to hold my groups. Is
that correct? Do I need to change both size and start? If I call extend_alloca
will it be backwards compatable as far back as glibc 2.3.3?
If initgroups_dyn functions are suppose to reallocate memory then that should be
documented at the internal_getgrouplist or getgrouplist functions so that
implementers know what to pass. This is confusing because getgrent_r is similar
to this function but implemented completely different.
Thank you for your help!
--
Summary: initgroups_dyn
Product: glibc
Version: 2.4
Status: NEW
Severity: normal
Priority: P1
Component: nis
AssignedTo: kukuk at suse dot de
ReportedBy: cscholes0 at yahoo dot com
CC: glibc-bugs at sources dot redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=3975
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