Annotation of prex/usr/bin/mv/mv.c, Revision 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: }
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