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 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 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
