bootstrap-initrd

mv-stub.c (788B)

// utils-std: Collection of commonly available Unix tools
// SPDX-FileCopyrightText: 2017 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
// SPDX-License-Identifier: MPL-2.0
#include <stdio.h> // fprintf, rename
#include <unistd.h> // getopt
#include <string.h> // strerror
#include <errno.h>
int
main(int argc, char *argv[])
{
	int c = -1;
	while((c = getopt(argc, argv, ":f")) != -1)
	{
		switch(c)
		{
		case 'f':
			// ignored
			break;
		case '?':
			fprintf(stderr, "mv: Unknown option '-%c'\n", optopt);
			break;
		}
	}
	argc -= optind;
	argv += optind;
	if(argc != 2)
	{
		fprintf(stderr, "Usage: mv [-f] src dest\n");
		return 1;
	}
	if(rename(argv[0], argv[1]) != 0)
	{
		fprintf(stderr, "mv: Failed renaming: %s\n", strerror(errno));
		return 1;
	}
	return 0;
}