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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);
}
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