From 1663b44fbc3fbebdf597397f45fcaa033d00d032 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 25 May 2006 17:16:17 +0000 Subject: * nis/nis_addmember.c (nis_addmember): Avoid unnecessary copying. Avoid memory leak in case realloc fails. Simplification for better code generation. Avoid deprecation warning because of libc_hidden_proto for inet6_option_alloc. * inet/inet6_option.c (option_alloc): Renamed from inet6_option_alloc. Made static. (inet6_option_alloc): New a simple wrapper around option_alloc. (inet6_option_append): Call option_alloc. * include/netinet/in.h: Remove libc_hidden_proto for inet6_option_alloc. --- nis/nis_addmember.c | 30 +++++++++++++++++------------- 1 file changed, 17 insertions(+), 13 deletions(-) (limited to 'nis/nis_addmember.c') diff --git a/nis/nis_addmember.c b/nis/nis_addmember.c index bbe1c23..5e342ad 100644 --- a/nis/nis_addmember.c +++ b/nis/nis_addmember.c @@ -1,4 +1,4 @@ -/* Copyright (c) 1997, 1998, 1999, 2004 Free Software Foundation, Inc. +/* Copyright (c) 1997, 1998, 1999, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk , 1997. @@ -28,13 +28,12 @@ nis_addmember (const_nis_name member, const_nis_name group) { size_t grouplen = strlen (group); char buf[grouplen + 14 + NIS_MAXNAMELEN]; - char leafbuf[grouplen + 2]; char domainbuf[grouplen + 2]; nis_result *res, *res2; nis_error status; char *cp, *cp2; - cp = stpcpy (buf, nis_leaf_of_r (group, leafbuf, sizeof (leafbuf) - 1)); + cp = rawmemchr (nis_leaf_of_r (group, buf, sizeof (buf) - 1), '\0'); cp = stpcpy (cp, ".groups_dir"); cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1); if (cp2 != NULL && cp2[0] != '\0') @@ -42,30 +41,35 @@ nis_addmember (const_nis_name member, const_nis_name group) *cp++ = '.'; stpcpy (cp, cp2); } - res = nis_lookup (buf, FOLLOW_LINKS|EXPAND_NAME); + res = nis_lookup (buf, FOLLOW_LINKS | EXPAND_NAME); if (NIS_RES_STATUS (res) != NIS_SUCCESS) { status = NIS_RES_STATUS (res); nis_freeresult (res); return status; } - if ((NIS_RES_NUMOBJ (res) != 1) || - (__type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ)) + if (NIS_RES_NUMOBJ (res) != 1 + || __type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ) { nis_freeresult (res); return NIS_INVALIDOBJ; } - NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val + u_int gr_members_len + = NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len; + + nis_name *new_gr_members_val = realloc (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val, - (NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len + 1) - * sizeof (char *)); - if (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val == NULL) + (gr_members_len + 1) * sizeof (nis_name)); + if (new_gr_members_val == NULL) goto nomem_out; - NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val[NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len] = strdup (member); - if (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val[NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len] == NULL) + + NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val + = new_gr_members_val; + + new_gr_members_val[gr_members_len] = strdup (member); + if (new_gr_members_val[gr_members_len] == NULL) { - free (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val); nomem_out: nis_freeresult (res); return NIS_NOMEMORY; -- cgit v1.1