1286ef713SPaul Dagnelie /*
2286ef713SPaul Dagnelie * This file and its contents are supplied under the terms of the
3286ef713SPaul Dagnelie * Common Development and Distribution License ("CDDL"), version 1.0.
4286ef713SPaul Dagnelie * You may only use this file in accordance with the terms of version
5286ef713SPaul Dagnelie * 1.0 of the CDDL.
6286ef713SPaul Dagnelie *
7286ef713SPaul Dagnelie * A full copy of the text of the CDDL should have accompanied this
8286ef713SPaul Dagnelie * source. A copy of the CDDL is also available via the Internet at
9286ef713SPaul Dagnelie * http://www.illumos.org/license/CDDL.
10286ef713SPaul Dagnelie */
11286ef713SPaul Dagnelie
12286ef713SPaul Dagnelie /*
13286ef713SPaul Dagnelie * Copyright (c) 2016 by Delphix. All rights reserved.
14286ef713SPaul Dagnelie */
15286ef713SPaul Dagnelie
16286ef713SPaul Dagnelie #include <stdio.h>
17286ef713SPaul Dagnelie #include <stdlib.h>
18286ef713SPaul Dagnelie #include <fcntl.h>
19286ef713SPaul Dagnelie #include <string.h>
20286ef713SPaul Dagnelie #include <errno.h>
21286ef713SPaul Dagnelie #include <unistd.h>
22286ef713SPaul Dagnelie #include <sys/param.h>
23286ef713SPaul Dagnelie
24286ef713SPaul Dagnelie #define MAX_INT_LENGTH 10
25286ef713SPaul Dagnelie
26286ef713SPaul Dagnelie static void
usage(char * msg,int exit_value)27286ef713SPaul Dagnelie usage(char *msg, int exit_value)
28286ef713SPaul Dagnelie {
29286ef713SPaul Dagnelie (void) fprintf(stderr, "mkfiles basename max_file [min_file]\n");
30286ef713SPaul Dagnelie (void) fprintf(stderr, "%s\n", msg);
31286ef713SPaul Dagnelie exit(exit_value);
32286ef713SPaul Dagnelie }
33286ef713SPaul Dagnelie
34286ef713SPaul Dagnelie int
main(int argc,char ** argv)35286ef713SPaul Dagnelie main(int argc, char **argv)
36286ef713SPaul Dagnelie {
37286ef713SPaul Dagnelie unsigned int numfiles = 0;
38286ef713SPaul Dagnelie unsigned int first_file = 0;
39*f67950b2SNasf-Fan unsigned int i;
40*f67950b2SNasf-Fan char buf[MAXPATHLEN];
41*f67950b2SNasf-Fan
42286ef713SPaul Dagnelie if (argc < 3 || argc > 4)
43286ef713SPaul Dagnelie usage("Invalid number of arguments", -1);
44286ef713SPaul Dagnelie
45286ef713SPaul Dagnelie if (sscanf(argv[2], "%u", &numfiles) != 1)
46286ef713SPaul Dagnelie usage("Invalid maximum file", -2);
47286ef713SPaul Dagnelie
48286ef713SPaul Dagnelie if (argc == 4 && sscanf(argv[3], "%u", &first_file) != 1)
49286ef713SPaul Dagnelie usage("Invalid first file", -3);
50286ef713SPaul Dagnelie
51286ef713SPaul Dagnelie if (numfiles < first_file)
52286ef713SPaul Dagnelie usage("First file larger than last file", -3);
53286ef713SPaul Dagnelie
54*f67950b2SNasf-Fan for (i = first_file; i < first_file + numfiles; i++) {
55286ef713SPaul Dagnelie int fd;
56286ef713SPaul Dagnelie (void) snprintf(buf, MAXPATHLEN, "%s%u", argv[1], i);
57286ef713SPaul Dagnelie if ((fd = open(buf, O_CREAT | O_EXCL, O_RDWR)) == -1) {
58286ef713SPaul Dagnelie (void) fprintf(stderr, "Failed to create %s %s\n", buf,
59286ef713SPaul Dagnelie strerror(errno));
60286ef713SPaul Dagnelie return (-4);
61286ef713SPaul Dagnelie }
62286ef713SPaul Dagnelie (void) close(fd);
63286ef713SPaul Dagnelie }
64286ef713SPaul Dagnelie return (0);
65286ef713SPaul Dagnelie }
66