56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright (c) 2010-2017 Linux Test Project
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*/
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#ifndef TST_SAFE_PRW_H__
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#define TST_SAFE_PRW_H__
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static inline ssize_t safe_pread(const char *file, const int lineno,
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char len_strict, int fildes, void *buf, size_t nbyte,
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off_t offset)
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{
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ssize_t rval;
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rval = pread(fildes, buf, nbyte, offset);
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if (rval == -1 || (len_strict && (size_t)rval != nbyte)) {
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tst_brk_(file, lineno, TBROK | TERRNO,
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"pread(%d,%p,%zu,%lld) failed",
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fildes, buf, nbyte, (long long)offset);
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} else if (rval < 0) {
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tst_brk_(file, lineno, TBROK | TERRNO,
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"Invalid pread(%d,%p,%zu,%lld) return value %zd",
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fildes, buf, nbyte, (long long)offset, rval);
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}
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return rval;
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}
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#define SAFE_PREAD(len_strict, fildes, buf, nbyte, offset) \
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safe_pread(__FILE__, __LINE__, (len_strict), (fildes), \
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(buf), (nbyte), (offset))
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static inline ssize_t safe_pwrite(const char *file, const int lineno,
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char len_strict, int fildes, const void *buf, size_t nbyte,
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off_t offset)
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{
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ssize_t rval;
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rval = pwrite(fildes, buf, nbyte, offset);
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if (rval == -1 || (len_strict && (size_t)rval != nbyte)) {
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tst_brk_(file, lineno, TBROK | TERRNO,
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"pwrite(%d,%p,%zu,%lld) failed",
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fildes, buf, nbyte, (long long)offset);
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} else if (rval < 0) {
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tst_brk_(file, lineno, TBROK | TERRNO,
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"Invalid pwrite(%d,%p,%zu,%lld) return value %zd",
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fildes, buf, nbyte, (long long)offset, rval);
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}
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return rval;
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}
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#define SAFE_PWRITE(len_strict, fildes, buf, nbyte, offset) \
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safe_pwrite(__FILE__, __LINE__, (len_strict), (fildes), \
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(buf), (nbyte), (offset))
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#endif /* SAFE_PRW_H__ */
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