projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 9c79dca0 BJ |
1 | int errcode; |
| 2 | ||
| 3 | #include <stdio.h> | |
| 4 | #include <sys/types.h> | |
| 5 | #include <sys/stat.h> | |
| 6 | #include <sys/dir.h> | |
| 7 | ||
| 8 | char *sprintf(); | |
| 9 | ||
| 10 | main(argc, argv) | |
| 11 | char *argv[]; | |
| 12 | { | |
| 13 | register char *arg; | |
| 14 | int fflg, iflg, rflg; | |
| 15 | ||
| 16 | fflg = 0; | |
| 17 | if (isatty(0) == 0) | |
| 18 | fflg++; | |
| 19 | iflg = 0; | |
| 20 | rflg = 0; | |
| 21 | if(argc>1 && argv[1][0]=='-') { | |
| 22 | arg = *++argv; | |
| 23 | argc--; | |
| 24 | while(*++arg != '\0') | |
| 25 | switch(*arg) { | |
| 26 | case 'f': | |
| 27 | fflg++; | |
| 28 | break; | |
| 29 | case 'i': | |
| 30 | iflg++; | |
| 31 | break; | |
| 32 | case 'r': | |
| 33 | rflg++; | |
| 34 | break; | |
| 35 | default: | |
| 36 | printf("rm: unknown option %s\n", *argv); | |
| 37 | exit(1); | |
| 38 | } | |
| 39 | } | |
| 40 | while(--argc > 0) { | |
| 41 | if(!strcmp(*++argv, "..")) { | |
| 42 | fprintf(stderr, "rm: cannot remove `..'\n"); | |
| 43 | continue; | |
| 44 | } | |
| 45 | rm(*argv, fflg, rflg, iflg, 0); | |
| 46 | } | |
| 47 | ||
| 48 | exit(errcode); | |
| 49 | } | |
| 50 | ||
| 51 | rm(arg, fflg, rflg, iflg, level) | |
| 52 | char arg[]; | |
| 53 | { | |
| 54 | struct stat buf; | |
| 55 | struct direct direct; | |
| 56 | char name[100]; | |
| 57 | int d; | |
| 58 | ||
| 59 | if(stat(arg, &buf)) { | |
| 60 | if (fflg==0) { | |
| 61 | printf("rm: %s nonexistent\n", arg); | |
| 62 | ++errcode; | |
| 63 | } | |
| 64 | return; | |
| 65 | } | |
| 66 | if ((buf.st_mode&S_IFMT) == S_IFDIR) { | |
| 67 | if(rflg) { | |
| 68 | if (access(arg, 02) < 0) { | |
| 69 | if (fflg==0) | |
| 70 | printf("%s not changed\n", arg); | |
| 71 | errcode++; | |
| 72 | return; | |
| 73 | } | |
| 74 | if(iflg && level!=0) { | |
| 75 | printf("directory %s: ", arg); | |
| 76 | if(!yes()) | |
| 77 | return; | |
| 78 | } | |
| 79 | if((d=open(arg, 0)) < 0) { | |
| 80 | printf("rm: %s: cannot read\n", arg); | |
| 81 | exit(1); | |
| 82 | } | |
| 83 | while(read(d, (char *)&direct, sizeof(direct)) == sizeof(direct)) { | |
| 84 | if(direct.d_ino != 0 && !dotname(direct.d_name)) { | |
| 85 | sprintf(name, "%s/%.14s", arg, direct.d_name); | |
| 86 | rm(name, fflg, rflg, iflg, level+1); | |
| 87 | } | |
| 88 | } | |
| 89 | close(d); | |
| 90 | errcode += rmdir(arg, iflg); | |
| 91 | return; | |
| 92 | } | |
| 93 | printf("rm: %s directory\n", arg); | |
| 94 | ++errcode; | |
| 95 | return; | |
| 96 | } | |
| 97 | ||
| 98 | if(iflg) { | |
| 99 | printf("%s: ", arg); | |
| 100 | if(!yes()) | |
| 101 | return; | |
| 102 | } | |
| 103 | else if(!fflg) { | |
| 104 | if (access(arg, 02)<0) { | |
| 105 | printf("rm: %s %o mode ", arg, buf.st_mode&0777); | |
| 106 | if(!yes()) | |
| 107 | return; | |
| 108 | } | |
| 109 | } | |
| 110 | if(unlink(arg) && (fflg==0 || iflg)) { | |
| 111 | printf("rm: %s not removed\n", arg); | |
| 112 | ++errcode; | |
| 113 | } | |
| 114 | } | |
| 115 | ||
| 116 | dotname(s) | |
| 117 | char *s; | |
| 118 | { | |
| 119 | if(s[0] == '.') | |
| 120 | if(s[1] == '.') | |
| 121 | if(s[2] == '\0') | |
| 122 | return(1); | |
| 123 | else | |
| 124 | return(0); | |
| 125 | else if(s[1] == '\0') | |
| 126 | return(1); | |
| 127 | return(0); | |
| 128 | } | |
| 129 | ||
| 130 | rmdir(f, iflg) | |
| 131 | char *f; | |
| 132 | { | |
| 133 | int status, i; | |
| 134 | ||
| 135 | if(dotname(f)) | |
| 136 | return(0); | |
| 137 | if(iflg) { | |
| 138 | printf("%s: ", f); | |
| 139 | if(!yes()) | |
| 140 | return(0); | |
| 141 | } | |
| 142 | while((i=fork()) == -1) | |
| 143 | sleep(3); | |
| 144 | if(i) { | |
| 145 | wait(&status); | |
| 146 | return(status); | |
| 147 | } | |
| 148 | execl("/bin/rmdir", "rmdir", f, 0); | |
| 149 | execl("/usr/bin/rmdir", "rmdir", f, 0); | |
| 150 | printf("rm: can't find rmdir\n"); | |
| 151 | exit(1); | |
| 152 | } | |
| 153 | ||
| 154 | yes() | |
| 155 | { | |
| 156 | int i, b; | |
| 157 | ||
| 158 | i = b = getchar(); | |
| 159 | while(b != '\n' && b != EOF) | |
| 160 | b = getchar(); | |
| 161 | return(i == 'y'); | |
| 162 | } |