1 /*
2 * Copyright (c) 2010-2017 Linux Test Project
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18 #ifndef TST_SAFE_PRW_H__
19 #define TST_SAFE_PRW_H__
20
safe_pread(const char * file,const int lineno,char len_strict,int fildes,void * buf,size_t nbyte,off_t offset)21 static inline ssize_t safe_pread(const char *file, const int lineno,
22 char len_strict, int fildes, void *buf, size_t nbyte,
23 off_t offset)
24 {
25 ssize_t rval;
26
27 rval = pread(fildes, buf, nbyte, offset);
28
29 if (rval == -1 || (len_strict && (size_t)rval != nbyte)) {
30 tst_brk_(file, lineno, TBROK | TERRNO,
31 "pread(%d,%p,%zu,%lld) failed",
32 fildes, buf, nbyte, (long long)offset);
33 }
34
35 return rval;
36 }
37 #define SAFE_PREAD(len_strict, fildes, buf, nbyte, offset) \
38 safe_pread(__FILE__, __LINE__, (len_strict), (fildes), \
39 (buf), (nbyte), (offset))
40
safe_pwrite(const char * file,const int lineno,char len_strict,int fildes,const void * buf,size_t nbyte,off_t offset)41 static inline ssize_t safe_pwrite(const char *file, const int lineno,
42 char len_strict, int fildes, const void *buf, size_t nbyte,
43 off_t offset)
44 {
45 ssize_t rval;
46
47 rval = pwrite(fildes, buf, nbyte, offset);
48 if (rval == -1 || (len_strict && (size_t)rval != nbyte)) {
49 tst_brk_(file, lineno, TBROK | TERRNO,
50 "pwrite(%d,%p,%zu,%lld) failed",
51 fildes, buf, nbyte, (long long)offset);
52 }
53
54 return rval;
55 }
56 #define SAFE_PWRITE(len_strict, fildes, buf, nbyte, offset) \
57 safe_pwrite(__FILE__, __LINE__, (len_strict), (fildes), \
58 (buf), (nbyte), (offset))
59
60 #endif /* SAFE_PRW_H__ */
61