1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
15 void usage(char *prog)
17 printf("usage: %s {-o|-m|-d|-l<tgt>} filenamefmt count\n", prog);
18 printf(" %s {-o|-m|-d|-l<tgt>} filenamefmt -seconds\n", prog);
19 printf(" %s {-o|-m|-d|-l<tgt>} filenamefmt start count\n", prog);
22 int main(int argc, char ** argv)
24 int i, rc = 0, do_open = 0, do_link = 0, do_mkdir = 0;
25 char format[4096], *fmt, *tgt = NULL;
27 long start, last, end;
28 long begin = 0, count;
30 if (argc < 4 || argc > 5) {
35 if (strcmp(argv[1], "-d") == 0) {
37 } else if (strcmp(argv[1], "-o") == 0) {
39 } else if (strncmp(argv[1], "-l", 2) == 0 && argv[1][2]) {
42 } else if (strcmp(argv[1], "-m") != 0) {
47 if (strlen(argv[2]) > 4080) {
48 printf("name too long\n");
52 start = last = time(0);
55 end = strtol(argv[3], NULL, 0);
57 begin = strtol(argv[3], NULL, 0);
58 end = strtol(argv[4], NULL, 0);
69 if (strchr(argv[2], '%'))
72 sprintf(format, "%s%%d", argv[2]);
75 for (i = 0; i < count && time(0) < end; i++, begin++) {
76 sprintf(filename, fmt, begin);
78 int fd = open(filename, O_CREAT|O_RDWR, 0644);
80 printf("open(%s) error: %s\n", filename,
87 rc = link(tgt, filename);
89 printf("link(%s, %s) error: %s\n",
90 tgt, filename, strerror(errno));
94 } else if (do_mkdir) {
95 rc = mkdir(filename, 0755);
97 printf("mkdir(%s) error: %s\n",
98 filename, strerror(errno));
103 rc = mknod(filename, S_IFREG| 0444, 0);
105 printf("mknod(%s) error: %s\n",
106 filename, strerror(errno));
111 if ((i % 10000) == 0) {
112 printf(" - created %d (time %ld total %ld last %ld)\n",
113 i, time(0), time(0) - start, time(0) - last);
117 printf("total: %d creates in %ld seconds: %f creates/second\n", i,
118 time(0) - start, ((float)i / (time(0) - start)));