diff options
| -rw-r--r-- | ChangeLog | 13 | ||||
| -rw-r--r-- | include/netinet/in.h | 1 | ||||
| -rw-r--r-- | inet/inet6_option.c | 26 | ||||
| -rw-r--r-- | nis/nis_addmember.c | 30 |
4 files changed, 48 insertions, 22 deletions
@@ -1,5 +1,18 @@ 2006-05-25 Ulrich Drepper <drepper@redhat.com> + * 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_callback.c (__nis_create_callback): Always call xdr_free for cleanup when cb!=NULL [Coverity CID 233]. diff --git a/include/netinet/in.h b/include/netinet/in.h index 2018ed2..876f1a4 100644 --- a/include/netinet/in.h +++ b/include/netinet/in.h @@ -5,6 +5,5 @@ libc_hidden_proto (bindresvport) libc_hidden_proto (in6addr_loopback) libc_hidden_proto (in6addr_any) -libc_hidden_proto (inet6_option_alloc) #endif diff --git a/inet/inet6_option.c b/inet/inet6_option.c index f88982e..cae9ae5 100644 --- a/inet/inet6_option.c +++ b/inet/inet6_option.c @@ -75,6 +75,10 @@ get_opt_end (const uint8_t **result, const uint8_t *startp, } +static uint8_t *option_alloc (struct cmsghdr *cmsg, int datalen, int multx, + int plusy); + + /* RFC 2292, 6.3.1 This function returns the number of bytes required to hold an option @@ -150,7 +154,7 @@ inet6_option_append (cmsg, typep, multx, plusy) int len = typep[0] == IP6OPT_PAD1 ? 1 : typep[1] + 2; /* Get the pointer to the space in the message. */ - uint8_t *ptr = inet6_option_alloc (cmsg, len, multx, plusy); + uint8_t *ptr = option_alloc (cmsg, len, multx, plusy); if (ptr == NULL) /* Some problem with the parameters. */ return -1; @@ -169,12 +173,8 @@ inet6_option_append (cmsg, typep, multx, plusy) inet6_option_init(). This function returns a pointer to the 8-bit option type field that starts the option on success, or NULL on an error. */ -uint8_t * -inet6_option_alloc (cmsg, datalen, multx, plusy) - struct cmsghdr *cmsg; - int datalen; - int multx; - int plusy; +static uint8_t * +option_alloc (struct cmsghdr *cmsg, int datalen, int multx, int plusy) { /* The RFC limits the value of the alignment values. */ if ((multx != 1 && multx != 2 && multx != 4 && multx != 8) @@ -214,7 +214,17 @@ inet6_option_alloc (cmsg, datalen, multx, plusy) return result; } -libc_hidden_def (inet6_option_alloc) + + +uint8_t * +inet6_option_alloc (cmsg, datalen, multx, plusy) + struct cmsghdr *cmsg; + int datalen; + int multx; + int plusy; +{ + return option_alloc (cmsg, datalen, multx, plusy); +} /* RFC 2292, 6.3.5 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 <kukuk@vt.uni-paderborn.de>, 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; |