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/* SPDX-License-Identifier: BSD-3-Clause */
/*
* Copyright (C) 2022, 2023 Ferass El Hafidi <vitali64pmemail@protonmail.com>
*/
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#define REQ_PRINT_USAGE /* Require print_usage() from ../common/common.h */
#define REQ_ERRPRINT /* Require errprint() from ../common/common.h */
#define DESCRIPTION "Move files."
#define OPERANDS "[-if] source dest"
#include "../common/common.h"
int main(int argc, char *const argv[]) {
int argument, file;
char cmd, param[256], *argv0 = strdup(argv[0]);
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 == '?') {
print_usage(argv[0], DESCRIPTION, OPERANDS, VERSION);
return 1;
}
param[argument] = argument;
if (argument == 'f') param['i'] = 0;
if (argument == 'i') param['f'] = 0;
} argc -= optind; argv += optind;
if (!param['f']) param['i'] = 'i';
if (argc < 2) {
print_usage(argv0, DESCRIPTION, OPERANDS, VERSION);
return 1;
}
if ((file = open(argv[1], O_RDONLY)) != -1 && param['i']) {
printf("File exists, override it? (y/n) ");
read(STDIN_FILENO, &cmd, 1);
if (cmd == 'n' || cmd == 'N') {
close(file);
return 0;
}
}
close(file); /* In case it hasn't been closed */
if (rename(argv[0], argv[1]))
/* Technically, moving files == renaming files */
return errprint(argv0, NULL, errno);
return 0;
}
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