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30 lines
597 B
C
30 lines
597 B
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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#include "libbb.h"
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ssize_t FAST_FUNC safe_write(int fd, const void *buf, size_t count)
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{
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ssize_t n;
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for (;;) {
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n = write(fd, buf, count);
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if (n >= 0 || errno != EINTR)
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break;
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/* Some callers set errno=0, are upset when they see EINTR.
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* Returning EINTR is wrong since we retry write(),
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* the "error" was transient.
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*/
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errno = 0;
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/* repeat the write() */
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}
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return n;
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}
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