Annotation of libaitsync/src/file.c, revision 1.1.1.1.2.2
1.1 misho 1: /*************************************************************************
2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
1.1.1.1.2.2! misho 6: * $Id: file.c,v 1.1.1.1.2.1 2011/05/09 13:46:12 misho Exp $
1.1 misho 7: *
1.1.1.1.2.2! misho 8: **************************************************************************
! 9: The ELWIX and AITNET software is distributed under the following
! 10: terms:
! 11:
! 12: All of the documentation and software included in the ELWIX and AITNET
! 13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
! 14:
! 15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
! 16: by Michael Pounov <misho@elwix.org>. All rights reserved.
! 17:
! 18: Redistribution and use in source and binary forms, with or without
! 19: modification, are permitted provided that the following conditions
! 20: are met:
! 21: 1. Redistributions of source code must retain the above copyright
! 22: notice, this list of conditions and the following disclaimer.
! 23: 2. Redistributions in binary form must reproduce the above copyright
! 24: notice, this list of conditions and the following disclaimer in the
! 25: documentation and/or other materials provided with the distribution.
! 26: 3. All advertising materials mentioning features or use of this software
! 27: must display the following acknowledgement:
! 28: This product includes software developed by Michael Pounov <misho@elwix.org>
! 29: ELWIX - Embedded LightWeight unIX and its contributors.
! 30: 4. Neither the name of AITNET nor the names of its contributors
! 31: may be used to endorse or promote products derived from this software
! 32: without specific prior written permission.
! 33:
! 34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
! 35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 44: SUCH DAMAGE.
! 45: */
1.1 misho 46: #include "global.h"
1.1.1.1.2.1 misho 47: #include "tool.h"
1.1 misho 48: #include "file.h"
49:
50:
51: int syncOpen(const char *csFile, int mode)
52: {
53: int f;
54:
55: if (!csFile || (*csFile == '-' && !csFile[1]))
56: return mode;
57:
58: f = open(csFile, !mode ? O_RDONLY : O_WRONLY | O_CREAT | O_TRUNC, 0644);
59: if (f == -1)
60: SETERR;
61:
62: return f;
63: }
64:
65: inline int syncTemp(char * __restrict psName, int len)
66: {
67: char str[] = "/tmp/ansyncXXXXXX.dlt";
68: int f;
69:
70: f = mkstemps(str, 4);
71: strlcpy(psName, str, len);
72:
73: return f;
74: }
75:
76: void syncClose(int f)
77: {
78: if (f > 2)
79: close(f);
80: }
81:
82: int syncEOF(int f)
83: {
84: off_t old;
85: int ret = 0;
86:
87: old = lseek(f, 0, SEEK_CUR);
88: ret = lseek(f, 0, SEEK_END) - old;
89: if (lseek(f, old, SEEK_SET) == -1) {
90: SETERR;
91: return -1;
92: }
93:
94: return !ret;
95: }
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