2 * Copyright 2016 Chris Torek <chris.torek@gmail.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted providing that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
22 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
23 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
28 #ifndef LIB9P_RFUNCS_H
29 #define LIB9P_RFUNCS_H
35 #if defined(WITH_CASPER)
36 #include <libcasper.h>
40 * Reentrant, optionally-malloc-ing versions of
41 * basename() and dirname().
43 char *r_basename(const char *, char *, size_t);
44 char *r_dirname(const char *, char *, size_t);
47 * Yuck: getpwuid, getgrgid are not thread-safe, and the
48 * POSIX replacements (getpwuid_r, getgrgid_r) are horrible.
49 * This is to allow us to loop over the get.*_r calls with ever
50 * increasing buffers until they succeed or get unreasonable
51 * (same idea as the libc code for the non-reentrant versions,
54 * The getpwuid/getgrgid functions auto-init one of these,
55 * but the caller must call r_pgfree() when done with the
58 * If we need more later, we may have to expose the init function.
69 /* void r_pginit(struct r_pgdata *); */
70 void r_pgfree(struct r_pgdata *);
71 struct passwd *r_getpwuid(uid_t, struct r_pgdata *);
72 struct group *r_getgrgid(gid_t, struct r_pgdata *);
74 #if defined(WITH_CASPER)
75 struct passwd *r_cap_getpwuid(cap_channel_t *, uid_t, struct r_pgdata *);
76 struct group *r_cap_getgrgid(cap_channel_t *, gid_t, struct r_pgdata *);
79 #endif /* LIB9P_RFUNCS_H */