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grp_.h 2.4 KB

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  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. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA.
  16. */
  17. /*
  18. * POSIX Standard: 9.2.1 Group Database Access <grp.h>
  19. */
  20. #ifndef BB_GRP_H
  21. #define BB_GRP_H 1
  22. PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
  23. /* This file is #included after #include <grp.h>
  24. * We will use libc-defined structures, but will #define function names
  25. * so that function calls are directed to bb_internal_XXX replacements
  26. */
  27. #undef endgrent
  28. #define endgrent bb_internal_endgrent
  29. #define getgrgid bb_internal_getgrgid
  30. #define getgrnam bb_internal_getgrnam
  31. #define getgrouplist bb_internal_getgrouplist
  32. #define initgroups bb_internal_initgroups
  33. /* All function names below should be remapped by #defines above
  34. * in order to not collide with libc names. */
  35. /* Close the group-file stream. */
  36. void FAST_FUNC endgrent(void);
  37. /* Search for an entry with a matching group ID. */
  38. struct group* FAST_FUNC getgrgid(gid_t __gid);
  39. /* Search for an entry with a matching group name. */
  40. struct group* FAST_FUNC getgrnam(const char *__name);
  41. /* Reentrant versions of some of the functions above. */
  42. /* Store at most *NGROUPS members of the group set for USER into
  43. *GROUPS. Also include GROUP. The actual number of groups found is
  44. returned in *NGROUPS. Return -1 if the if *NGROUPS is too small. */
  45. int FAST_FUNC getgrouplist(const char *__user, gid_t __group,
  46. gid_t *__groups, int *__ngroups);
  47. /* Initialize the group set for the current user
  48. by reading the group database and using all groups
  49. of which USER is a member. Also include GROUP. */
  50. int FAST_FUNC initgroups(const char *__user, gid_t __group);
  51. POP_SAVED_FUNCTION_VISIBILITY
  52. #endif