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Annotation of prex-old/usr/bin/mv/mv.c, Revision 1.1.1.1

1.1       nbrk        1: /*
                      2:  * Copyright (c) 2005-2006, Kohsuke Ohtani
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. Neither the name of the author nor the names of any co-contributors
                     14:  *    may be used to endorse or promote products derived from this software
                     15:  *    without specific prior written permission.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     27:  * SUCH DAMAGE.
                     28:  */
                     29:
                     30: #include <sys/stat.h>
                     31:
                     32: #include <errno.h>
                     33: #include <err.h>
                     34: #include <string.h>
                     35: #include <stdio.h>
                     36: #include <limits.h>
                     37: #include <stdlib.h>
                     38:
                     39: #ifdef CMDBOX
                     40: #define main(argc, argv)       mv_main(argc, argv)
                     41: #endif
                     42:
                     43: int
                     44: main(int argc, char *argv[])
                     45: {
                     46:        char path[PATH_MAX];
                     47:        char *src, *dest, *p;
                     48:        struct stat st1, st2;
                     49:        int rc;
                     50:
                     51:        if (argc != 3) {
                     52:                fprintf(stderr, "usage: mv src dest\n");
                     53:                exit(1);
                     54:        }
                     55:        src = argv[1];
                     56:        dest = argv[2];
                     57:
                     58:        /* Check if source exists and it's regular file. */
                     59:        if (stat(src, &st1) < 0)
                     60:                err(1,"mv");
                     61:        if (!S_ISREG(st1.st_mode)) {
                     62:                fprintf(stderr, "mv: invalid file type\n");
                     63:                exit(1);
                     64:        }
                     65:
                     66:        /* Check if target is a directory. */
                     67:        rc = stat(dest, &st2);
                     68:        if (!rc && S_ISDIR(st2.st_mode)) {
                     69:                p = strrchr(src, '/');
                     70:                p = p ? p + 1 : src;
                     71:                strcpy(path, dest);
                     72:                if (strcmp(dest, "/"))
                     73:                        strcat(path, "/");
                     74:                strcat(path, p);
                     75:                dest = path;
                     76:        }
                     77:        if (rename(src, dest) < 0)
                     78:                err(1,"rename");
                     79:        return 0;
                     80: }