mirror of
https://github.com/rsmarples/dhcpcd.git
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65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
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* dhcpcd - DHCP client daemon
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* Copyright (c) 2006-2017 Roy Marples <roy@marples.name>
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* All rights reserved
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include "dprintf.h"
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int
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vdprintf(int fd, const char * __restrict fmt, va_list va)
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{
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int e;
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FILE *fp;
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if ((e = dup(fd)) == -1)
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return -1;
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if ((fp = fdopen(e, "a")) == NULL) {
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close(e);
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return -1;
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}
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e = vfprintf(fp, fmt, va);
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fclose(fp);
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return e;
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}
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int
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dprintf(int fd, const char * __restrict fmt, ...)
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{
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int e;
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va_list va;
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va_start(va, fmt);
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e = vdprintf(fd, fmt, va);
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va_end(va);
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return e;
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}
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