1 /* create.c (GPL)*/ 2 /* Hironobu SUZUKI <hironobu (at) h2np.net> */ 3 #include <stdio.h> 4 #include <sys/stat.h> 5 #include <sys/types.h> 6 #include <fcntl.h> 7 #include <unistd.h> 8 #include <time.h> 9 #include <stdlib.h> 10 11 #define MAXN 4096 12 13 #define MAXFSIZE 1024 * 192 14 15 char wbuf[MAXFSIZE]; 16 static int filecount = 0; 17 18 void makedir(char *dir1); 19 void changedir(char *dir); 20 void create_file(char *filename); 21 22 extern int box_muler(int, int); 23 24 int startc = 0; 25 int main(int ac, char *av[]) 26 { 27 int i = 0; 28 int j = 0; 29 int k = 0; 30 int l = 0; 31 char dir1[MAXN]; 32 char dir2[MAXN]; 33 char dir3[MAXN]; 34 char filename[MAXN]; 35 time_t t; 36 int maxfiles = 0xFFFFFF; 37 int createfiles = 0; 38 39 if (ac > 1) { 40 sscanf(av[1], "%x", &maxfiles); 41 if (maxfiles == 0) { 42 printf("maxfile argument error (0 value)\n"); 43 exit(1); 44 } 45 } 46 time(&t); 47 srandom((unsigned int)getpid() ^ 48 (((unsigned int)t << 16) | (unsigned int)t >> 16)); 49 printf("Create files\n"); 50 for (i = 0; i < 0xFF; i++) { 51 sprintf(dir1, "%2.2x", i); 52 makedir(dir1); 53 changedir(dir1); 54 for (j = 0; j < 0xFF; j++) { 55 sprintf(dir2, "%2.2x", j); 56 makedir(dir2); 57 changedir(dir2); 58 for (k = 0; k < 0xFF; k++) { 59 sprintf(dir3, "%2.2x", k); 60 makedir(dir3); 61 changedir(dir3); 62 for (l = 0; l < 0xFF; l++) { 63 sprintf(filename, "%s%s%s%2.2x", dir1, 64 dir2, dir3, l); 65 create_file(filename); 66 if (maxfiles < createfiles++) { 67 goto end; 68 } 69 } 70 changedir("../"); 71 } 72 changedir("../"); 73 } 74 changedir("../"); 75 } 76 end: 77 fprintf(stderr, "\nTotal create files: %d\n", filecount); 78 printf("Done\n"); 79 return 0; 80 } 81 82 int showchar[] = { 124, 47, 45, 92, 124, 47, 45, 92 }; 83 84 void makedir(char *dir1) 85 { 86 if (mkdir(dir1, S_IRWXU) < 0) { 87 perror(dir1); 88 exit(1); 89 } 90 } 91 92 void changedir(char *dir) 93 { 94 if (chdir(dir) < 0) { 95 perror(dir); 96 exit(1); 97 } 98 } 99 100 void create_file(char *filename) 101 { 102 int fd; 103 int randomsize; 104 if ((fd = creat(filename, S_IRWXU)) < 0) { 105 fprintf(stderr, "\nTotal create files: %d\n", filecount); 106 perror(filename); 107 exit(1); 108 } 109 if ((randomsize = box_muler(0, MAXFSIZE)) < 0) { 110 randomsize = MAXFSIZE; 111 } 112 if (write(fd, wbuf, randomsize) < 0) { 113 fprintf(stderr, "\nTotal create files: %d\n", filecount); 114 perror(filename); 115 exit(1); 116 } 117 filecount++; 118 close(fd); 119 } 120
