diff options
Diffstat (limited to 'libshouldbeinlibc/idvec.c')
| -rw-r--r-- | libshouldbeinlibc/idvec.c | 50 |
1 files changed, 24 insertions, 26 deletions
diff --git a/libshouldbeinlibc/idvec.c b/libshouldbeinlibc/idvec.c index 93da111f..285e5e61 100644 --- a/libshouldbeinlibc/idvec.c +++ b/libshouldbeinlibc/idvec.c @@ -1,6 +1,6 @@ /* Routines for vectors of uids/gids - Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. Written by Miles Bader <miles@gnu.ai.mit.edu> @@ -22,8 +22,6 @@ #include <string.h> #include <idvec.h> -typedef uid_t id_t; - /* Return a new, empty, idvec, or NULL if there wasn't enough memory. */ struct idvec * make_idvec () @@ -67,7 +65,7 @@ idvec_ensure (struct idvec *idvec, unsigned num) { if (num > idvec->alloced) { - id_t *_ids = realloc (idvec->ids, num * sizeof (id_t)); + uid_t *_ids = realloc (idvec->ids, num * sizeof (uid_t)); if (! _ids) return ENOMEM; idvec->ids = _ids; @@ -86,9 +84,9 @@ idvec_grow (struct idvec *idvec, unsigned inc) /* Returns true if IDVEC contains ID, at or after position POS. */ int -idvec_tail_contains (const struct idvec *idvec, unsigned pos, id_t id) +idvec_tail_contains (const struct idvec *idvec, unsigned pos, uid_t id) { - id_t *ids = idvec->ids, *end = ids + idvec->num, *p = ids + pos; + uid_t *ids = idvec->ids, *end = ids + idvec->num, *p = ids + pos; while (p < end) if (*p++ == id) return 1; @@ -98,7 +96,7 @@ idvec_tail_contains (const struct idvec *idvec, unsigned pos, id_t id) /* Insert ID into IDVEC at position POS, returning ENOMEM if there wasn't enough memory, or 0. */ error_t -idvec_insert (struct idvec *idvec, unsigned pos, id_t id) +idvec_insert (struct idvec *idvec, unsigned pos, uid_t id) { error_t err = 0; unsigned num = idvec->num; @@ -112,11 +110,11 @@ idvec_insert (struct idvec *idvec, unsigned pos, id_t id) if (! err) { - id_t *ids = idvec->ids; + uid_t *ids = idvec->ids; if (pos < num) - bcopy (ids + pos, ids + pos + 1, (num - pos) * sizeof (id_t)); + bcopy (ids + pos, ids + pos + 1, (num - pos) * sizeof (uid_t)); else if (pos > num) - bzero (ids + num, (pos - num) * sizeof (id_t)); + bzero (ids + num, (pos - num) * sizeof (uid_t)); ids[pos] = id; idvec->num = new_num; } @@ -127,7 +125,7 @@ idvec_insert (struct idvec *idvec, unsigned pos, id_t id) /* Add ID onto the end of IDVEC, returning ENOMEM if there's not enough memory, or 0. */ error_t -idvec_add (struct idvec *idvec, id_t id) +idvec_add (struct idvec *idvec, uid_t id) { return idvec_insert (idvec, idvec->num, id); } @@ -135,7 +133,7 @@ idvec_add (struct idvec *idvec, id_t id) /* If IDVEC doesn't contain ID, add it onto the end, returning ENOMEM if there's not enough memory; otherwise, do nothing. */ error_t -idvec_add_new (struct idvec *idvec, id_t id) +idvec_add_new (struct idvec *idvec, uid_t id) { if (idvec_contains (idvec, id)) return 0; @@ -146,7 +144,7 @@ idvec_add_new (struct idvec *idvec, id_t id) /* If IDVEC doesn't contain ID at position POS or after, insert it at POS, returning ENOMEM if there's not enough memory; otherwise, do nothing. */ error_t -idvec_insert_new (struct idvec *idvec, unsigned pos, id_t id) +idvec_insert_new (struct idvec *idvec, unsigned pos, uid_t id) { if (idvec_tail_contains (idvec, pos, id)) return 0; @@ -157,18 +155,18 @@ idvec_insert_new (struct idvec *idvec, unsigned pos, id_t id) /* Set the ids in IDVEC to IDS (NUM elements long); delete whatever the previous ids were. */ error_t -idvec_set_ids (struct idvec *idvec, const id_t *ids, unsigned num) +idvec_set_ids (struct idvec *idvec, const uid_t *ids, unsigned num) { error_t err; err = idvec_ensure (idvec, num); if (!err) { - bcopy (ids, idvec->ids, num * sizeof (id_t)); + bcopy (ids, idvec->ids, num * sizeof (uid_t)); idvec->num = num; } return err; -} +} /* Like idvec_set_ids, but get the new ids from new. */ error_t @@ -180,7 +178,7 @@ idvec_set (struct idvec *idvec, const struct idvec *new) /* Adds each id in the vector IDS (NUM elements long) to IDVEC, as long as it wasn't previously in IDVEC. */ error_t -idvec_merge_ids (struct idvec *idvec, const id_t *ids, unsigned num) +idvec_merge_ids (struct idvec *idvec, const uid_t *ids, unsigned num) { error_t err = 0; unsigned num_old = idvec->num; @@ -207,12 +205,12 @@ idvec_merge (struct idvec *idvec, const struct idvec *new) /* Remove any occurances of ID in IDVEC after position POS. Returns true if anything was done. */ int -idvec_remove (struct idvec *idvec, unsigned pos, id_t id) +idvec_remove (struct idvec *idvec, unsigned pos, uid_t id) { if (pos < idvec->num) { int left = idvec->num - pos; - id_t *ids = idvec->ids + pos, *targ = ids; + uid_t *ids = idvec->ids + pos, *targ = ids; while (left--) { if (*ids != id) @@ -232,7 +230,7 @@ idvec_remove (struct idvec *idvec, unsigned pos, id_t id) return 0; } -/* Remove all ids in SUB from IDVEC, returning true if anything was done. */ +/* Remove all ids in SUB from IDVEC, returning true if anything was done. */ int idvec_subtract (struct idvec *idvec, const struct idvec *sub) { @@ -248,11 +246,11 @@ idvec_subtract (struct idvec *idvec, const struct idvec *sub) int idvec_keep (struct idvec *idvec, const struct idvec *keep) { - id_t *old = idvec->ids, *new = old, *end = old + idvec->num; + uid_t *old = idvec->ids, *new = old, *end = old + idvec->num; while (old < end) { - id_t id = *old++; + uid_t id = *old++; if (idvec_contains (keep, id)) { if (old != new) @@ -277,10 +275,10 @@ idvec_delete (struct idvec *idvec, unsigned pos) unsigned num = idvec->num; if (pos < num) { - id_t *ids = idvec->ids; + uid_t *ids = idvec->ids; idvec->num = --num; if (num > pos) - bcopy (ids + pos + 1, ids + pos, (num - pos) * sizeof (id_t)); + bcopy (ids + pos + 1, ids + pos, (num - pos) * sizeof (uid_t)); } } @@ -288,7 +286,7 @@ idvec_delete (struct idvec *idvec, unsigned pos) present at POS or after. ENOMEM is returned if there's not enough memory, otherwise 0. */ error_t -idvec_insert_only (struct idvec *idvec, unsigned pos, id_t id) +idvec_insert_only (struct idvec *idvec, unsigned pos, uid_t id) { if (idvec->num > pos && idvec->ids[pos] == id) return 0; @@ -306,7 +304,7 @@ idvec_insert_only (struct idvec *idvec, unsigned pos, id_t id) *SECURE is set to true. ENOMEM is returned if a malloc fails, otherwise 0. The return parameters are only touched if this call succeeds. */ error_t -idvec_setid (struct idvec *eff, struct idvec *avail, id_t id, int *secure) +idvec_setid (struct idvec *eff, struct idvec *avail, uid_t id, int *secure) { error_t err; /* True if ID was not previously present in either EFF or AVAIL. */ |