diff options
Diffstat (limited to 'tests/zfs-tests/cmd/mkfiles/mkfiles.c')
-rw-r--r-- | tests/zfs-tests/cmd/mkfiles/mkfiles.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/tests/zfs-tests/cmd/mkfiles/mkfiles.c b/tests/zfs-tests/cmd/mkfiles/mkfiles.c new file mode 100644 index 000000000..418fb9d07 --- /dev/null +++ b/tests/zfs-tests/cmd/mkfiles/mkfiles.c @@ -0,0 +1,65 @@ +/* + * This file and its contents are supplied under the terms of the + * Common Development and Distribution License ("CDDL"), version 1.0. + * You may only use this file in accordance with the terms of version + * 1.0 of the CDDL. + * + * A full copy of the text of the CDDL should have accompanied this + * source. A copy of the CDDL is also available via the Internet at + * http://www.illumos.org/license/CDDL. + */ + +/* + * Copyright (c) 2016 by Delphix. All rights reserved. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> +#include <string.h> +#include <errno.h> +#include <unistd.h> +#include <sys/param.h> + +#define MAX_INT_LENGTH 10 + +static void +usage(char *msg, int exit_value) +{ + (void) fprintf(stderr, "mkfiles basename max_file [min_file]\n"); + (void) fprintf(stderr, "%s\n", msg); + exit(exit_value); +} + +int +main(int argc, char **argv) +{ + unsigned int numfiles = 0; + unsigned int first_file = 0; + unsigned int i; + char buf[MAXPATHLEN]; + + if (argc < 3 || argc > 4) + usage("Invalid number of arguments", -1); + + if (sscanf(argv[2], "%u", &numfiles) != 1) + usage("Invalid maximum file", -2); + + if (argc == 4 && sscanf(argv[3], "%u", &first_file) != 1) + usage("Invalid first file", -3); + + if (numfiles < first_file) + usage("First file larger than last file", -3); + + for (i = first_file; i <= numfiles; i++) { + int fd; + (void) snprintf(buf, MAXPATHLEN, "%s%u", argv[1], i); + if ((fd = open(buf, O_CREAT | O_EXCL, O_RDWR)) == -1) { + (void) fprintf(stderr, "Failed to create %s %s\n", buf, + strerror(errno)); + return (-4); + } + (void) close(fd); + } + return (0); +} |