Commit | Line | Data |
---|---|---|
28c2b1a2 | 1 | static char *sccsid = "@(#)rm.c 4.3 (Berkeley) %G%"; |
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--; | |
ca02483b BJ |
25 | |
26 | /* | |
27 | * all files following a null option are considered file names | |
28 | */ | |
29 | if (*(arg+1) == '\0') break; | |
30 | ||
ae80f4a2 BJ |
31 | while(*++arg != '\0') |
32 | switch(*arg) { | |
33 | case 'f': | |
34 | fflg++; | |
35 | break; | |
36 | case 'i': | |
37 | iflg++; | |
38 | break; | |
39 | case 'r': | |
40 | rflg++; | |
41 | break; | |
42 | default: | |
43 | printf("rm: unknown option %s\n", *argv); | |
44 | exit(1); | |
45 | } | |
46 | } | |
47 | while(--argc > 0) { | |
48 | if(!strcmp(*++argv, "..")) { | |
49 | fprintf(stderr, "rm: cannot remove `..'\n"); | |
50 | continue; | |
51 | } | |
52 | rm(*argv, fflg, rflg, iflg, 0); | |
53 | } | |
54 | ||
55 | exit(errcode); | |
56 | } | |
57 | ||
58 | rm(arg, fflg, rflg, iflg, level) | |
59 | char arg[]; | |
60 | { | |
61 | struct stat buf; | |
62 | struct direct direct; | |
63 | char name[100]; | |
64 | int d; | |
65 | ||
66 | if(stat(arg, &buf)) { | |
67 | if (fflg==0) { | |
68 | printf("rm: %s nonexistent\n", arg); | |
69 | ++errcode; | |
70 | } | |
71 | return; | |
72 | } | |
73 | if ((buf.st_mode&S_IFMT) == S_IFDIR) { | |
74 | if(rflg) { | |
75 | if (access(arg, 02) < 0) { | |
76 | if (fflg==0) | |
77 | printf("%s not changed\n", arg); | |
78 | errcode++; | |
79 | return; | |
80 | } | |
81 | if(iflg && level!=0) { | |
28c2b1a2 | 82 | printf("remove directory %s? ", arg); |
ae80f4a2 BJ |
83 | if(!yes()) |
84 | return; | |
85 | } | |
86 | if((d=open(arg, 0)) < 0) { | |
28c2b1a2 | 87 | printf("rm: cannot read %s?\n", arg); |
ae80f4a2 BJ |
88 | exit(1); |
89 | } | |
90 | while(read(d, (char *)&direct, sizeof(direct)) == sizeof(direct)) { | |
91 | if(direct.d_ino != 0 && !dotname(direct.d_name)) { | |
92 | sprintf(name, "%s/%.14s", arg, direct.d_name); | |
93 | rm(name, fflg, rflg, iflg, level+1); | |
94 | } | |
95 | } | |
96 | close(d); | |
97 | errcode += rmdir(arg, iflg); | |
98 | return; | |
99 | } | |
100 | printf("rm: %s directory\n", arg); | |
101 | ++errcode; | |
102 | return; | |
103 | } | |
104 | ||
105 | if(iflg) { | |
28c2b1a2 | 106 | printf("rm: remove %s? ", arg); |
ae80f4a2 BJ |
107 | if(!yes()) |
108 | return; | |
109 | } | |
110 | else if(!fflg) { | |
111 | if (access(arg, 02)<0) { | |
28c2b1a2 | 112 | printf("rm: override protection %o for %s? ", buf.st_mode&0777, arg); |
ae80f4a2 BJ |
113 | if(!yes()) |
114 | return; | |
115 | } | |
116 | } | |
117 | if(unlink(arg) && (fflg==0 || iflg)) { | |
118 | printf("rm: %s not removed\n", arg); | |
119 | ++errcode; | |
120 | } | |
121 | } | |
122 | ||
123 | dotname(s) | |
124 | char *s; | |
125 | { | |
126 | if(s[0] == '.') | |
127 | if(s[1] == '.') | |
128 | if(s[2] == '\0') | |
129 | return(1); | |
130 | else | |
131 | return(0); | |
132 | else if(s[1] == '\0') | |
133 | return(1); | |
134 | return(0); | |
135 | } | |
136 | ||
137 | rmdir(f, iflg) | |
138 | char *f; | |
139 | { | |
140 | int status, i; | |
141 | ||
142 | if(dotname(f)) | |
143 | return(0); | |
144 | if(iflg) { | |
28c2b1a2 | 145 | printf("rm: remove %s? ", f); |
ae80f4a2 BJ |
146 | if(!yes()) |
147 | return(0); | |
148 | } | |
149 | while((i=fork()) == -1) | |
150 | sleep(3); | |
151 | if(i) { | |
152 | wait(&status); | |
153 | return(status); | |
154 | } | |
155 | execl("/bin/rmdir", "rmdir", f, 0); | |
156 | execl("/usr/bin/rmdir", "rmdir", f, 0); | |
157 | printf("rm: can't find rmdir\n"); | |
158 | exit(1); | |
159 | } | |
160 | ||
161 | yes() | |
162 | { | |
163 | int i, b; | |
164 | ||
165 | i = b = getchar(); | |
166 | while(b != '\n' && b != EOF) | |
167 | b = getchar(); | |
168 | return(i == 'y'); | |
169 | } |