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Last change
on this file since 1333 was 821, checked in by Bruno Cornec, 19 years ago |
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Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)
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File size:
619 bytes
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| 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Utility routines.
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| 4 | *
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| 5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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| 6 | *
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| 7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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| 8 | */
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| 9 |
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| 10 | #include <stdio.h>
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| 11 | #include <fcntl.h>
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| 12 | #include "libbb.h"
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| 13 |
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| 14 |
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| 15 | /* try to open up the specified device */
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| 16 | int device_open(const char *device, int mode)
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| 17 | {
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| 18 | int m, f, fd = -1;
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| 19 |
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| 20 | m = mode | O_NONBLOCK;
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| 21 |
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| 22 | /* Retry up to 5 times */
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| 23 | for (f = 0; f < 5; f++)
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| 24 | if ((fd = open(device, m, 0600)) >= 0)
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| 25 | break;
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| 26 | if (fd < 0)
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| 27 | return fd;
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| 28 | /* Reset original flags. */
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| 29 | if (m != mode)
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| 30 | fcntl(fd, F_SETFL, mode);
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| 31 | return fd;
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| 32 | }
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