136 lines
3.6 KiB
C
136 lines
3.6 KiB
C
/*
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* Copyright (c) 2018, Kelvin W Sherlock
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY 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 THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <Files.h>
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#include <ErrMgr.h>
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#include "FileCommon.h"
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#include "Rename-flags.h"
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/*
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Rename # rename files and directories
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Rename [-y | -n | -c] oldName newName
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-resolve # resolve leaf aliases in oldName
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-y # overwrite existing file (avoids dialog)
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-n # don't overwrite existing file (avoids dialog)
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-c # cancel if conflict occurs (avoids dialog)
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*/
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static char error_message[255];
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/*
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* -1: cancel
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* 0: no
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* 1: yes
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*/
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int check(const unsigned char *pname) {
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int m = mode(pname, NULL);
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if (m <= 0) return 1; /* error or does not exist */
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if (flags._y) return 1;
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if (flags._n) return 0;
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if (flags._c) return -1;
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return prompt(pname, "overwrite");
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}
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int do_rename(const unsigned char *src, const unsigned char *dest) {
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/* n.b. - does not move into a directory (use Move for that) */
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int st;
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OSErr err;
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st = mode(src, &err);
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if (st <= 0) {
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fprintf(stderr, "### Rename - unable to rename %s to %s\n", src+1, dest+1);
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fprintf(stderr, "# %s\n", GetSysErrText(err, error_message));
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if (err == fnfErr) return 2;
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return 3;
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}
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st = check(dest);
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if (st < 0) return 4;
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if (st == 0) return 1;
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err = FSDelete((const unsigned char *)dest, 0);
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if (err && err != fnfErr) {
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fprintf(stderr, "### Rename - unable to delete %s\n", dest+1);
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fprintf(stderr, "# %s\n", GetSysErrText(err, error_message));
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return 2;
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}
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err = HRename(0, 0, src, dest);
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if (err) {
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fprintf(stderr, "### Rename - unable to rename %s to %s\n", src+1, dest+1);
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fprintf(stderr, "# %s\n", GetSysErrText(err, error_message));
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return 3;
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}
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return 0;
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}
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int main(int argc, char **argv) {
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unsigned char *src;
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unsigned char *dest;
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int status;
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pascalStrings = false;
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InitErrMgr(NULL, NULL, true);
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argc = FlagsParse(argc, argv);
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if (flags._c + flags._n + flags._y > 1) {
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fprintf(stderr, "### Rename - Conflicting options were specified.\n");
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FlagsHelp();
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return 1;
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}
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if (argc != 3) {
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FlagsHelp();
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return 1;
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}
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src = c2p(argv[1]);
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dest = c2p(argv[2]);
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status = do_rename(src, dest);
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free(src);
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free(dest);
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CloseErrMgr();
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return status;
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}
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