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-rw-r--r--core/mv.c83
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diff --git a/core/mv.c b/core/mv.c
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-/* mv - move files.
- * Copyright (C) 2022 Ferass EL HAFIDI
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holder nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <unistd.h>
-#include <stdio.h>
-#include <errno.h>
-#include <fcntl.h>
-#include "version.h"
-
-#ifndef COMPILETIME
-#define COMPILETIME
-#endif
-
-int getopt(int argc, char *const argv[], const char *optstring);
-void printUsage();
-
-int main(int argc, char *const argv[]) {
- int argument, file;
- char cmd, param[256];
- setvbuf(stdout, NULL, _IONBF, 0);
- for (int i = 0; i < 256; i++) param[i] = 0; /* Initialise param,
- * very important. */
- while ((argument = getopt(argc, argv, "if")) != -1) {
- if (argument == '?') {
- printUsage();
- return 1;
- }
- param[argument] = argument;
- if (argument == 'f') param['i'] = 0;
- if (argument == 'i') param['f'] = 0;
- }
- if (!param['f']) param['i'] = 'i';
- if (argc < 3) {
- printUsage();
- return 1;
- }
- if ((file = open(argv[2], O_RDONLY)) != -1 && param['i']) {
- printf("File exists, override it? (y/n) ");
- read(STDIN_FILENO, &cmd, 3);
- if (cmd == 'n' || cmd == 'N') {
- close(file);
- return 0;
- }
- }
- close(file); /* In case it hasn't been closed */
-
- rename(argv[1], argv[2]); /* Technically, moving files == renaming files */
- if (errno) return errno;
- return 0;
-}
-
-void printUsage() {
- printf("Ferass' Base System. (%s)\n\n"
- "Usage: mv [-if] file1 file2\n\n"
- "Move <file1> to <file2>.\n\n"
- "\t-i\tIf <file2> exists, ask for confirmation\n"
- "\t-f\tNever ask for confirmation\n", COMPILETIME);
-}