| /* SPDX-License-Identifier: GPL-2.0-or-later |
| * Copyright (c) 2010-2017 Linux Test Project |
| */ |
| |
| #ifndef TST_SAFE_PRW_H__ |
| #define TST_SAFE_PRW_H__ |
| |
| static inline ssize_t safe_pread(const char *file, const int lineno, |
| char len_strict, int fildes, void *buf, size_t nbyte, |
| off_t offset) |
| { |
| ssize_t rval; |
| |
| rval = pread(fildes, buf, nbyte, offset); |
| |
| if (rval == -1 || (len_strict && (size_t)rval != nbyte)) { |
| tst_brk_(file, lineno, TBROK | TERRNO, |
| "pread(%d,%p,%zu,%lld) failed", |
| fildes, buf, nbyte, (long long)offset); |
| } |
| |
| return rval; |
| } |
| #define SAFE_PREAD(len_strict, fildes, buf, nbyte, offset) \ |
| safe_pread(__FILE__, __LINE__, (len_strict), (fildes), \ |
| (buf), (nbyte), (offset)) |
| |
| static inline ssize_t safe_pwrite(const char *file, const int lineno, |
| char len_strict, int fildes, const void *buf, size_t nbyte, |
| off_t offset) |
| { |
| ssize_t rval; |
| |
| rval = pwrite(fildes, buf, nbyte, offset); |
| if (rval == -1 || (len_strict && (size_t)rval != nbyte)) { |
| tst_brk_(file, lineno, TBROK | TERRNO, |
| "pwrite(%d,%p,%zu,%lld) failed", |
| fildes, buf, nbyte, (long long)offset); |
| } |
| |
| return rval; |
| } |
| #define SAFE_PWRITE(len_strict, fildes, buf, nbyte, offset) \ |
| safe_pwrite(__FILE__, __LINE__, (len_strict), (fildes), \ |
| (buf), (nbyte), (offset)) |
| |
| #endif /* SAFE_PRW_H__ */ |