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4446 decky 1
/*
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 * Copyright (c) 2009 Martin Decky
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 * All rights reserved.
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 *
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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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 *
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 * - 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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 * - 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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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup getvc GetVC
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 * @brief Console initialization task.
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 * @{
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 */
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/**
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 * @file
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 */
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <task.h>
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#include "version.h"
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static void usage(void)
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{
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    printf("Usage: getvc <device> <path>\n");
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}
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static void closeall(void)
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{
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    fclose(stdin);
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    fclose(stdout);
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    fclose(stderr);
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    close(0);
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    close(1);
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    close(2);
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}
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static task_id_t spawn(char *fname)
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{
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    char *argv[2];
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    argv[0] = fname;
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    argv[1] = NULL;
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    task_id_t id = task_spawn(fname, argv);
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    if (id == 0)
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        printf("Error spawning %s\n", fname);
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    return id;
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}
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int main(int argc, char *argv[])
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{
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    if (argc < 3) {
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        usage();
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        return -1;
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    }
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    closeall();
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    stdin = fopen(argv[1], "r");
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    stdout = fopen(argv[1], "w");
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    stderr = fopen(argv[1], "w");
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    if ((stdin == NULL)
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        || (stdout == NULL)
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        || (stderr == NULL))
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        return -2;
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    version_print(argv[1]);
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    fflush(stdout);
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    task_id_t id = spawn(argv[2]);
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    task_wait(id);
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    return 0;
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}
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/** @}
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 */