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scoutos / prex-0.9.0 / usr / bin / mv / mv.c @ 03e9c04a

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/*
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 * Copyright (c) 2005-2006, Kohsuke Ohtani
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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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 * 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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 * 3. Neither the name of the author nor the names of any co-contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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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 <sys/stat.h>
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#include <errno.h>
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#include <err.h>
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#include <string.h>
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#include <stdio.h>
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#include <limits.h>
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#include <stdlib.h>
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#ifdef CMDBOX
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#define main(argc, argv)        mv_main(argc, argv)
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#endif
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int
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main(int argc, char *argv[])
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{
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        char path[PATH_MAX];
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        char *src, *dest, *p;
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        struct stat st1, st2;
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        int rc;
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        if (argc != 3) {
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                fprintf(stderr, "usage: mv src dest\n");
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                exit(1);
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        }
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        src = argv[1];
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        dest = argv[2];
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        /* Check if source exists and it's regular file. */
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        if (stat(src, &st1) < 0)
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                err(1,"mv");
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        if (!S_ISREG(st1.st_mode)) {
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                fprintf(stderr, "mv: invalid file type\n");
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                exit(1);
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        }
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        /* Check if target is a directory. */
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        rc = stat(dest, &st2);
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        if (!rc && S_ISDIR(st2.st_mode)) {
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                p = strrchr(src, '/');
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                p = p ? p + 1 : src;
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                strlcpy(path, dest, sizeof(path));
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                if (strcmp(dest, "/"))
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                        strlcat(path, "/", sizeof(path));
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                strlcat(path, p, sizeof(path));
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                dest = path;
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        }
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        if (rename(src, dest) < 0)
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                err(1,"rename");
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        return 0;
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}