| 1 | /* |
| 2 | ** make directory |
| 3 | */ |
| 4 | |
| 5 | #include <signal.h> |
| 6 | #include <stdio.h> |
| 7 | |
| 8 | int Errors = 0; |
| 9 | char *strcat(); |
| 10 | char *strcpy(); |
| 11 | |
| 12 | main(argc, argv) |
| 13 | char *argv[]; |
| 14 | { |
| 15 | |
| 16 | signal(SIGHUP, SIG_IGN); |
| 17 | signal(SIGINT, SIG_IGN); |
| 18 | signal(SIGQUIT, SIG_IGN); |
| 19 | signal(SIGPIPE, SIG_IGN); |
| 20 | signal(SIGTERM, SIG_IGN); |
| 21 | |
| 22 | if(argc < 2) { |
| 23 | fprintf(stderr, "mkdir: arg count\n"); |
| 24 | exit(1); |
| 25 | } |
| 26 | while(--argc) |
| 27 | mkdir(*++argv); |
| 28 | exit(Errors!=0); |
| 29 | } |
| 30 | |
| 31 | mkdir(d) |
| 32 | char *d; |
| 33 | { |
| 34 | char pname[128], dname[128]; |
| 35 | register i, slash = 0; |
| 36 | |
| 37 | pname[0] = '\0'; |
| 38 | for(i = 0; d[i]; ++i) |
| 39 | if(d[i] == '/') |
| 40 | slash = i + 1; |
| 41 | if(slash) |
| 42 | strncpy(pname, d, slash); |
| 43 | strcpy(pname+slash, "."); |
| 44 | if (access(pname, 02)) { |
| 45 | fprintf(stderr,"mkdir: cannot access %s\n", pname); |
| 46 | ++Errors; |
| 47 | return; |
| 48 | } |
| 49 | if ((mknod(d, 040777, 0)) < 0) { |
| 50 | fprintf(stderr,"mkdir: cannot make directory %s\n", d); |
| 51 | ++Errors; |
| 52 | return; |
| 53 | } |
| 54 | chown(d, getuid(), getgid()); |
| 55 | strcpy(dname, d); |
| 56 | strcat(dname, "/."); |
| 57 | if((link(d, dname)) < 0) { |
| 58 | fprintf(stderr, "mkdir: cannot link %s\n", dname); |
| 59 | unlink(d); |
| 60 | ++Errors; |
| 61 | return; |
| 62 | } |
| 63 | strcat(dname, "."); |
| 64 | if((link(pname, dname)) < 0) { |
| 65 | fprintf(stderr, "mkdir: cannot link %s\n",dname); |
| 66 | dname[strlen(dname)] = '\0'; |
| 67 | unlink(dname); |
| 68 | unlink(d); |
| 69 | ++Errors; |
| 70 | } |
| 71 | } |