projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| d7341d85 BJ |
1 | #include <sys/types.h> |
| 2 | #include <dir.h> | |
| 3 | #include <stat.h> | |
| 4 | #include <stdio.h> | |
| 5 | #include <sccs.h> | |
| 6 | ||
| 7 | SCCSID(@(#)lprm.c 1.2) | |
| 8 | ||
| 9 | char line[128]; | |
| 10 | int linel; | |
| 11 | int all; | |
| 12 | char lpddir[] = "/usr/spool/lpd"; | |
| 13 | FILE *df; | |
| 14 | FILE *dfb; | |
| 15 | ||
| 16 | main(argc, argv) | |
| 17 | int argc; | |
| 18 | char *argv[]; | |
| 19 | { | |
| 20 | register int i; | |
| 21 | register char *ap, *cp; | |
| 22 | int cnt; | |
| 23 | ||
| 24 | if (chdir(lpddir) < 0) | |
| 25 | perror(lpddir), exit(1); | |
| 26 | df = fopen(".", "r"); | |
| 27 | if (df == NULL) | |
| 28 | perror(lpddir), exit(1); | |
| 29 | argc--, argv++; | |
| 30 | if (argc == 0) { | |
| 31 | printf("usage: lprm [ id ... ] [ filename ... ] [ user ... ]\n"); | |
| 32 | exit(1); | |
| 33 | } | |
| 34 | do { | |
| 35 | if (strcmp(*argv, "-a") == 0) | |
| 36 | all++; | |
| 37 | clobber(*argv++); | |
| 38 | } while (--argc); | |
| 39 | } | |
| 40 | ||
| 41 | clobber(cp) | |
| 42 | char *cp; | |
| 43 | { | |
| 44 | struct dir dirent; | |
| 45 | int did = 0; | |
| 46 | ||
| 47 | rewind(df); | |
| 48 | while (fread(&dirent, sizeof dirent, 1, df) == 1) { | |
| 49 | if (dirent.d_ino == 0) | |
| 50 | continue; | |
| 51 | if (dirent.d_name[0] != 'd' || dirent.d_name[1] != 'f') | |
| 52 | continue; | |
| 53 | if (dirent.d_name[7] == 0 || dirent.d_name[8] != 0) | |
| 54 | continue; | |
| 55 | if (chkclob(cp, dirent.d_name)) { | |
| 56 | did++; | |
| 57 | printf("removing %s\n", dirent.d_name+3); | |
| 58 | unlink(dirent.d_name); | |
| 59 | dirent.d_name[0] = 'c'; unlink(dirent.d_name); | |
| 60 | dirent.d_name[0] = 'l'; unlink(dirent.d_name); | |
| 61 | dirent.d_name[0] = 't'; unlink(dirent.d_name); | |
| 62 | dirent.d_name[0] = 'd'; | |
| 63 | } | |
| 64 | } | |
| 65 | if (did == 0) | |
| 66 | fprintf(stderr, "%s: nothing to remove\n", cp); | |
| 67 | } | |
| 68 | ||
| 69 | chkclob(pattern, file) | |
| 70 | char *pattern, *file; | |
| 71 | { | |
| 72 | register char *id = pattern; | |
| 73 | ||
| 74 | /* | |
| 75 | * Quick check for matching id | |
| 76 | */ | |
| 77 | if (any(id[0], "cd") && id[1] == 'f' && id[2] == 'a') | |
| 78 | id += 3; | |
| 79 | if (strcmp(file+3, id) == 0) | |
| 80 | return (1); | |
| 81 | /* | |
| 82 | * Now check for matching filename 'B', 'F' or id 'L' | |
| 83 | */ | |
| 84 | dfb = fopen(file, "r"); | |
| 85 | if (dfb == NULL) | |
| 86 | return (0); | |
| 87 | while (getline()) switch (line[0]) { | |
| 88 | ||
| 89 | case 'L': | |
| 90 | case 'B': | |
| 91 | case 'F': | |
| 92 | if (strcmp(line+1, pattern) == 0) { | |
| 93 | fclose(dfb); | |
| 94 | return (1); | |
| 95 | } | |
| 96 | continue; | |
| 97 | } | |
| 98 | fclose(dfb); | |
| 99 | return (0); | |
| 100 | } | |
| 101 | ||
| 102 | any(c, cp) | |
| 103 | char c; | |
| 104 | register char *cp; | |
| 105 | { | |
| 106 | ||
| 107 | while (*cp) | |
| 108 | if (c == *cp++) | |
| 109 | return (1); | |
| 110 | return (0); | |
| 111 | } | |
| 112 | ||
| 113 | getline() | |
| 114 | { | |
| 115 | register int i, c; | |
| 116 | ||
| 117 | i = 0; | |
| 118 | while ((c = getc(dfb)) != '\n') { | |
| 119 | if (c <= 0) | |
| 120 | return(0); | |
| 121 | if (i < 100) | |
| 122 | line[i++] = c; | |
| 123 | } | |
| 124 | line[i++] = 0; | |
| 125 | return (1); | |
| 126 | } |