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Diffstat (limited to 'include/grp_.h')
| -rw-r--r-- | include/grp_.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/include/grp_.h b/include/grp_.h new file mode 100644 index 0000000..3d00b4a --- /dev/null +++ b/include/grp_.h @@ -0,0 +1,122 @@ +/* vi: set sw=4 ts=4: */ +/* Copyright (C) 1991,92,95,96,97,98,99,2000,01 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* + * POSIX Standard: 9.2.1 Group Database Access <grp.h> + */ + +#ifndef BB_GRP_H +#define BB_GRP_H 1 + +#if __GNUC_PREREQ(4,1) +# pragma GCC visibility push(hidden) +#endif + +/* This file is #included after #include <grp.h> + * We will use libc-defined structures, but will #define function names + * so that function calls are directed to bb_internal_XXX replacements + */ + +#define setgrent bb_internal_setgrent +#define endgrent bb_internal_endgrent +#define getgrent bb_internal_getgrent +#define fgetgrent bb_internal_fgetgrent +#define putgrent bb_internal_putgrent +#define getgrgid bb_internal_getgrgid +#define getgrnam bb_internal_getgrnam +#define getgrent_r bb_internal_getgrent_r +#define getgrgid_r bb_internal_getgrgid_r +#define getgrnam_r bb_internal_getgrnam_r +#define fgetgrent_r bb_internal_fgetgrent_r +#define getgrouplist bb_internal_getgrouplist +#define initgroups bb_internal_initgroups + + +/* All function names below should be remapped by #defines above + * in order to not collide with libc names. */ + + +/* Rewind the group-file stream. */ +extern void setgrent(void); + +/* Close the group-file stream. */ +extern void endgrent(void); + +/* Read an entry from the group-file stream, opening it if necessary. */ +extern struct group *getgrent(void); + +/* Read a group entry from STREAM. */ +extern struct group *fgetgrent(FILE *__stream); + +/* Write the given entry onto the given stream. */ +extern int putgrent(const struct group *__restrict __p, + FILE *__restrict __f); + +/* Search for an entry with a matching group ID. */ +extern struct group *getgrgid(gid_t __gid); + +/* Search for an entry with a matching group name. */ +extern struct group *getgrnam(const char *__name); + +/* Reentrant versions of some of the functions above. + + PLEASE NOTE: the `getgrent_r' function is not (yet) standardized. + The interface may change in later versions of this library. But + the interface is designed following the principals used for the + other reentrant functions so the chances are good this is what the + POSIX people would choose. */ + +extern int getgrent_r(struct group *__restrict __resultbuf, + char *__restrict __buffer, size_t __buflen, + struct group **__restrict __result); + +/* Search for an entry with a matching group ID. */ +extern int getgrgid_r(gid_t __gid, struct group *__restrict __resultbuf, + char *__restrict __buffer, size_t __buflen, + struct group **__restrict __result); + +/* Search for an entry with a matching group name. */ +extern int getgrnam_r(const char *__restrict __name, + struct group *__restrict __resultbuf, + char *__restrict __buffer, size_t __buflen, + struct group **__restrict __result); + +/* Read a group entry from STREAM. This function is not standardized + an probably never will. */ +extern int fgetgrent_r(FILE *__restrict __stream, + struct group *__restrict __resultbuf, + char *__restrict __buffer, size_t __buflen, + struct group **__restrict __result); + +/* Store at most *NGROUPS members of the group set for USER into + *GROUPS. Also include GROUP. The actual number of groups found is + returned in *NGROUPS. Return -1 if the if *NGROUPS is too small. */ +extern int getgrouplist(const char *__user, gid_t __group, + gid_t *__groups, int *__ngroups); + +/* Initialize the group set for the current user + by reading the group database and using all groups + of which USER is a member. Also include GROUP. */ +extern int initgroups(const char *__user, gid_t __group); + +#if __GNUC_PREREQ(4,1) +# pragma GCC visibility pop +#endif + +#endif |