micro-utils/coreutils/mv.c

#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <libgen.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "make_path.h"

int move(const char *src, const char *dst) {
	char *copy = strdup(src);
	if (!copy)
		return 1;

	char *new_path = mu_make_path("mv", dst, basename(copy));
	if (new_path == NULL) {
		free(copy);
		return 1;
	}

	int ret = 0;
	if (rename(src, new_path) < 0)
		ret = 1;

	free(new_path);
	free(copy);

	return ret;
}

int main(int argc, char **argv) {
	unsigned int f_flag = 0;

	int opt;
	while ((opt = getopt(argc, argv, "f")) != -1) {
		switch (opt) {
			case 'f':
				f_flag = 1;
				break;

			default:
				printf("mv [src1 src2...] [dst]\n\t[-f Force]\n");
				return 0;
		}
	}

	argv += optind;
	argc -= optind;

	/* Move code */
	for (int i = 0; i < argc - 1; i++) {
		if (rename(argv[i], argv[argc - 1]) < 0) {
			if (move(argv[i], argv[argc - 1])) {
				if (!f_flag)
					fprintf(stderr, "mv: %s %s\n", argv[i], strerror(errno));

				return 1;
			}
		}
	}

	return 0;
}