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    Contents of /trunk/mkinitrd-magellan/busybox/include/grp_.h

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    Revision 984 - (show annotations) (download)
    Sun May 30 11:32:42 2010 UTC (13 years, 11 months ago) by niro
    File MIME type: text/plain
    File size: 4441 byte(s) 
    -updated to busybox-1.16.1 and enabled blkid/uuid support in default config
    1 /* vi: set sw=4 ts=4: */
    2 /* Copyright (C) 1991,92,95,96,97,98,99,2000,01 Free Software Foundation, Inc.
    3 This file is part of the GNU C Library.
    4
    5 The GNU C Library is free software; you can redistribute it and/or
    6 modify it under the terms of the GNU Lesser General Public
    7 License as published by the Free Software Foundation; either
    8 version 2.1 of the License, or (at your option) any later version.
    9
    10 The GNU C Library is distributed in the hope that it will be useful,
    11 but WITHOUT ANY WARRANTY; without even the implied warranty of
    12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
    13 Lesser General Public License for more details.
    14
    15 You should have received a copy of the GNU Lesser General Public
    16 License along with the GNU C Library; if not, write to the Free
    17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    18 02111-1307 USA.
    19 */
    20 /*
    21 * POSIX Standard: 9.2.1 Group Database Access <grp.h>
    22 */
    23 #ifndef BB_GRP_H
    24 #define BB_GRP_H 1
    25
    26 PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
    27
    28 /* This file is #included after #include <grp.h>
    29 * We will use libc-defined structures, but will #define function names
    30 * so that function calls are directed to bb_internal_XXX replacements
    31 */
    32
    33 #define setgrent bb_internal_setgrent
    34 #define endgrent bb_internal_endgrent
    35 #define getgrent bb_internal_getgrent
    36 #define fgetgrent bb_internal_fgetgrent
    37 #define putgrent bb_internal_putgrent
    38 #define getgrgid bb_internal_getgrgid
    39 #define getgrnam bb_internal_getgrnam
    40 #define getgrent_r bb_internal_getgrent_r
    41 #define getgrgid_r bb_internal_getgrgid_r
    42 #define getgrnam_r bb_internal_getgrnam_r
    43 #define fgetgrent_r bb_internal_fgetgrent_r
    44 #define getgrouplist bb_internal_getgrouplist
    45 #define initgroups bb_internal_initgroups
    46
    47
    48 /* All function names below should be remapped by #defines above
    49 * in order to not collide with libc names. */
    50
    51
    52 /* Rewind the group-file stream. */
    53 extern void setgrent(void);
    54
    55 /* Close the group-file stream. */
    56 extern void endgrent(void);
    57
    58 /* Read an entry from the group-file stream, opening it if necessary. */
    59 extern struct group *getgrent(void);
    60
    61 /* Read a group entry from STREAM. */
    62 extern struct group *fgetgrent(FILE *__stream);
    63
    64 /* Write the given entry onto the given stream. */
    65 extern int putgrent(const struct group *__restrict __p,
    66 FILE *__restrict __f);
    67
    68 /* Search for an entry with a matching group ID. */
    69 extern struct group *getgrgid(gid_t __gid);
    70
    71 /* Search for an entry with a matching group name. */
    72 extern struct group *getgrnam(const char *__name);
    73
    74 /* Reentrant versions of some of the functions above.
    75
    76 PLEASE NOTE: the `getgrent_r' function is not (yet) standardized.
    77 The interface may change in later versions of this library. But
    78 the interface is designed following the principals used for the
    79 other reentrant functions so the chances are good this is what the
    80 POSIX people would choose. */
    81
    82 extern int getgrent_r(struct group *__restrict __resultbuf,
    83 char *__restrict __buffer, size_t __buflen,
    84 struct group **__restrict __result);
    85
    86 /* Search for an entry with a matching group ID. */
    87 extern int getgrgid_r(gid_t __gid, struct group *__restrict __resultbuf,
    88 char *__restrict __buffer, size_t __buflen,
    89 struct group **__restrict __result);
    90
    91 /* Search for an entry with a matching group name. */
    92 extern int getgrnam_r(const char *__restrict __name,
    93 struct group *__restrict __resultbuf,
    94 char *__restrict __buffer, size_t __buflen,
    95 struct group **__restrict __result);
    96
    97 /* Read a group entry from STREAM. This function is not standardized
    98 an probably never will. */
    99 extern int fgetgrent_r(FILE *__restrict __stream,
    100 struct group *__restrict __resultbuf,
    101 char *__restrict __buffer, size_t __buflen,
    102 struct group **__restrict __result);
    103
    104 /* Store at most *NGROUPS members of the group set for USER into
    105 *GROUPS. Also include GROUP. The actual number of groups found is
    106 returned in *NGROUPS. Return -1 if the if *NGROUPS is too small. */
    107 extern int getgrouplist(const char *__user, gid_t __group,
    108 gid_t *__groups, int *__ngroups);
    109
    110 /* Initialize the group set for the current user
    111 by reading the group database and using all groups
    112 of which USER is a member. Also include GROUP. */
    113 extern int initgroups(const char *__user, gid_t __group);
    114
    115 POP_SAVED_FUNCTION_VISIBILITY
    116
    117 #endif