#include <stdio.h>
#include <unistd.h>
#include <sys/stat.h>

#define NFILE   64
#define NLINK   30000
#define NCHAR   245

int
main()
{
        char junk[NCHAR+1],
             dir[2+1+2+1], file1[2+1+2+1+NCHAR+3+1], file2[2+1+2+1+NCHAR+3+1];
        int i, j;
        struct stat sb;

        memset(junk, 'x', NCHAR);
        junk[NCHAR] = '\0';
        for (i = 0; i < NFILE; i++) {
                printf("\r%02d/%05d...", i, 0),
                fflush(stdout);
                sprintf(dir, "%02d-%02d", i, 0);
                if (mkdir(dir, 0755) < 0)
                        fprintf(stderr, "mkdir(%s) failed\n", dir),
                        exit(1);
                sprintf(file1, "%s/%s%03d", dir, junk, 0);
                if (creat(file1, 0644) < 0)
                        fprintf(stderr, "creat(%s) failed\n", file1),
                        exit(1);
                if (stat(file1, &sb) < 0)
                        fprintf(stderr, "stat(%s) failed\n", file1),
                        exit(1);
                for (j = 1; j < NLINK; j++) {
                        if ((j % 1000) == 0) {
                                printf("\r%02d/%05d...", i, j),
                                fflush(stdout);
                                sprintf(dir, "%02d-%02d", i, j/1000);
                                if (mkdir(dir, 0755) < 0)
                                        fprintf(stderr, "mkdir(%s) failed\n", dir),
                                        exit(1);
                        }
                        sprintf(file2, "%s/%s%03d", dir, junk, j%1000);
                        if (link(file1, file2) < 0)
                                fprintf(stderr, "link(%s,%s) failed\n", file1, file2),
                                exit(1);
                        if (stat(file2, &sb) < 0)
                                fprintf(stderr, "stat(%s) failed\n", file2),
                                exit(1);
                }
        }
        printf("\rfinished successfully\n");
}