1 /* SPDX-License-Identifier: GPL-2.0-or-later
2 * Copyright (c) 2010-2017 Linux Test Project
3 */
4
5 #ifndef TST_SAFE_PRW_H__
6 #define TST_SAFE_PRW_H__
7
safe_pread(const char * file,const int lineno,char len_strict,int fildes,void * buf,size_t nbyte,off_t offset)8 static inline ssize_t safe_pread(const char *file, const int lineno,
9 char len_strict, int fildes, void *buf, size_t nbyte,
10 off_t offset)
11 {
12 ssize_t rval;
13
14 rval = pread(fildes, buf, nbyte, offset);
15
16 if (rval == -1 || (len_strict && (size_t)rval != nbyte)) {
17 tst_brk_(file, lineno, TBROK | TERRNO,
18 "pread(%d,%p,%zu,%lld) failed",
19 fildes, buf, nbyte, (long long)offset);
20 }
21
22 return rval;
23 }
24 #define SAFE_PREAD(len_strict, fildes, buf, nbyte, offset) \
25 safe_pread(__FILE__, __LINE__, (len_strict), (fildes), \
26 (buf), (nbyte), (offset))
27
safe_pwrite(const char * file,const int lineno,char len_strict,int fildes,const void * buf,size_t nbyte,off_t offset)28 static inline ssize_t safe_pwrite(const char *file, const int lineno,
29 char len_strict, int fildes, const void *buf, size_t nbyte,
30 off_t offset)
31 {
32 ssize_t rval;
33
34 rval = pwrite(fildes, buf, nbyte, offset);
35 if (rval == -1 || (len_strict && (size_t)rval != nbyte)) {
36 tst_brk_(file, lineno, TBROK | TERRNO,
37 "pwrite(%d,%p,%zu,%lld) failed",
38 fildes, buf, nbyte, (long long)offset);
39 }
40
41 return rval;
42 }
43 #define SAFE_PWRITE(len_strict, fildes, buf, nbyte, offset) \
44 safe_pwrite(__FILE__, __LINE__, (len_strict), (fildes), \
45 (buf), (nbyte), (offset))
46
47 #endif /* SAFE_PRW_H__ */
48