92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
/****************************************************************************
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* libs/libc/grp/lib_grp.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __LIBS_LIBC_GRP_LIB_GRP_H
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#define __LIBS_LIBC_GRP_LIB_GRP_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <grp.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define ROOT_GID 0
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#define ROOT_NAME "root"
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#define ROOT_PASSWD "x"
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/* Reserver space for a NULL terminated list for group member names */
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#define MEMBER_SIZE ((CONFIG_LIBC_GROUP_NUSERS + 1) * sizeof(FAR char *))
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/* Reserve space for the maximum line in the group file PLUS space for an
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* array of Member names.
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*/
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#define GRPBUF_RESERVE_SIZE (CONFIG_LIBC_GROUP_LINESIZE + MEMBER_SIZE)
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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#ifdef CONFIG_LIBC_GROUP_FILE
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/* Data for non-reentrant group functions */
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EXTERN struct group g_group;
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EXTERN char g_group_buffer[GRPBUF_RESERVE_SIZE];
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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FAR struct group *getgrbuf(gid_t gid, FAR const char *name,
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FAR const char *passwd);
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int getgrbuf_r(gid_t gid, FAR const char *name, FAR const char *passwd,
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FAR struct group *grp, FAR char *buf, size_t buflen,
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FAR struct group **result);
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#ifdef CONFIG_LIBC_GROUP_FILE
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int grp_findby_name(FAR const char *gname, FAR struct group *entry,
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FAR char *buffer, size_t buflen);
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int grp_findby_gid(gid_t gid, FAR struct group *entry, FAR char *buffer,
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size_t buflen);
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __LIBS_LIBC_GRP_LIB_GRP_H */
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