Commit | Line | Data |
---|---|---|
31cef89c | 1 | static char *sccsid = "@(#)rm.c 4.1 (Berkeley) 10/1/80"; |
ae80f4a2 BJ |
2 | int errcode; |
3 | ||
4 | #include <stdio.h> | |
5 | #include <sys/types.h> | |
6 | #include <sys/stat.h> | |
7 | #include <sys/dir.h> | |
8 | ||
9 | char *sprintf(); | |
10 | ||
11 | main(argc, argv) | |
12 | char *argv[]; | |
13 | { | |
14 | register char *arg; | |
15 | int fflg, iflg, rflg; | |
16 | ||
17 | fflg = 0; | |
18 | if (isatty(0) == 0) | |
19 | fflg++; | |
20 | iflg = 0; | |
21 | rflg = 0; | |
22 | while(argc>1 && argv[1][0]=='-') { | |
23 | arg = *++argv; | |
24 | argc--; | |
25 | while(*++arg != '\0') | |
26 | switch(*arg) { | |
27 | case 'f': | |
28 | fflg++; | |
29 | break; | |
30 | case 'i': | |
31 | iflg++; | |
32 | break; | |
33 | case 'r': | |
34 | rflg++; | |
35 | break; | |
36 | default: | |
37 | printf("rm: unknown option %s\n", *argv); | |
38 | exit(1); | |
39 | } | |
40 | } | |
41 | while(--argc > 0) { | |
42 | if(!strcmp(*++argv, "..")) { | |
43 | fprintf(stderr, "rm: cannot remove `..'\n"); | |
44 | continue; | |
45 | } | |
46 | rm(*argv, fflg, rflg, iflg, 0); | |
47 | } | |
48 | ||
49 | exit(errcode); | |
50 | } | |
51 | ||
52 | rm(arg, fflg, rflg, iflg, level) | |
53 | char arg[]; | |
54 | { | |
55 | struct stat buf; | |
56 | struct direct direct; | |
57 | char name[100]; | |
58 | int d; | |
59 | ||
60 | if(stat(arg, &buf)) { | |
61 | if (fflg==0) { | |
62 | printf("rm: %s nonexistent\n", arg); | |
63 | ++errcode; | |
64 | } | |
65 | return; | |
66 | } | |
67 | if ((buf.st_mode&S_IFMT) == S_IFDIR) { | |
68 | if(rflg) { | |
69 | if (access(arg, 02) < 0) { | |
70 | if (fflg==0) | |
71 | printf("%s not changed\n", arg); | |
72 | errcode++; | |
73 | return; | |
74 | } | |
75 | if(iflg && level!=0) { | |
31cef89c | 76 | printf("directory %s, remove? ", arg); |
ae80f4a2 BJ |
77 | if(!yes()) |
78 | return; | |
79 | } | |
80 | if((d=open(arg, 0)) < 0) { | |
81 | printf("rm: %s: cannot read\n", arg); | |
82 | exit(1); | |
83 | } | |
84 | while(read(d, (char *)&direct, sizeof(direct)) == sizeof(direct)) { | |
85 | if(direct.d_ino != 0 && !dotname(direct.d_name)) { | |
86 | sprintf(name, "%s/%.14s", arg, direct.d_name); | |
87 | rm(name, fflg, rflg, iflg, level+1); | |
88 | } | |
89 | } | |
90 | close(d); | |
91 | errcode += rmdir(arg, iflg); | |
92 | return; | |
93 | } | |
94 | printf("rm: %s directory\n", arg); | |
95 | ++errcode; | |
96 | return; | |
97 | } | |
98 | ||
99 | if(iflg) { | |
31cef89c | 100 | printf("remove %s? ", arg); |
ae80f4a2 BJ |
101 | if(!yes()) |
102 | return; | |
103 | } | |
104 | else if(!fflg) { | |
105 | if (access(arg, 02)<0) { | |
31cef89c | 106 | printf("%s unwritable (mode %o), remove? ", arg, buf.st_mode&0777); |
ae80f4a2 BJ |
107 | if(!yes()) |
108 | return; | |
109 | } | |
110 | } | |
111 | if(unlink(arg) && (fflg==0 || iflg)) { | |
112 | printf("rm: %s not removed\n", arg); | |
113 | ++errcode; | |
114 | } | |
115 | } | |
116 | ||
117 | dotname(s) | |
118 | char *s; | |
119 | { | |
120 | if(s[0] == '.') | |
121 | if(s[1] == '.') | |
122 | if(s[2] == '\0') | |
123 | return(1); | |
124 | else | |
125 | return(0); | |
126 | else if(s[1] == '\0') | |
127 | return(1); | |
128 | return(0); | |
129 | } | |
130 | ||
131 | rmdir(f, iflg) | |
132 | char *f; | |
133 | { | |
134 | int status, i; | |
135 | ||
136 | if(dotname(f)) | |
137 | return(0); | |
138 | if(iflg) { | |
31cef89c | 139 | printf("remove %s? ", f); |
ae80f4a2 BJ |
140 | if(!yes()) |
141 | return(0); | |
142 | } | |
143 | while((i=fork()) == -1) | |
144 | sleep(3); | |
145 | if(i) { | |
146 | wait(&status); | |
147 | return(status); | |
148 | } | |
149 | execl("/bin/rmdir", "rmdir", f, 0); | |
150 | execl("/usr/bin/rmdir", "rmdir", f, 0); | |
151 | printf("rm: can't find rmdir\n"); | |
152 | exit(1); | |
153 | } | |
154 | ||
155 | yes() | |
156 | { | |
157 | int i, b; | |
158 | ||
159 | i = b = getchar(); | |
160 | while(b != '\n' && b != EOF) | |
161 | b = getchar(); | |
162 | return(i == 'y'); | |
163 | } |