1 bc7cb1a1 2003-11-23 devnull #include <u.h>
  2 bc7cb1a1 2003-11-23 devnull #include <libc.h>
  3 bc7cb1a1 2003-11-23 devnull 
  4 bc7cb1a1 2003-11-23 devnull #define rmdir p9rmdir
  5 bc7cb1a1 2003-11-23 devnull 
  6 bc7cb1a1 2003-11-23 devnull char	errbuf[ERRMAX];
  7 bc7cb1a1 2003-11-23 devnull int	ignerr = 0;
  8 bc7cb1a1 2003-11-23 devnull 
  9 912fba95 2003-11-24 devnull static void
 10 bc7cb1a1 2003-11-23 devnull err(char *f)
 11 bc7cb1a1 2003-11-23 devnull {
 12 bc7cb1a1 2003-11-23 devnull 	if(!ignerr){
 13 bc7cb1a1 2003-11-23 devnull 		errbuf[0] = '\0';
 14 bc7cb1a1 2003-11-23 devnull 		errstr(errbuf, sizeof errbuf);
 15 bc7cb1a1 2003-11-23 devnull 		fprint(2, "rm: %s: %s\n", f, errbuf);
 16 bc7cb1a1 2003-11-23 devnull 	}
 17 bc7cb1a1 2003-11-23 devnull }
 18 bc7cb1a1 2003-11-23 devnull 
 19 bc7cb1a1 2003-11-23 devnull /*
 20 bc7cb1a1 2003-11-23 devnull  * f is a non-empty directory. Remove its contents and then it.
 21 bc7cb1a1 2003-11-23 devnull  */
 22 bc7cb1a1 2003-11-23 devnull void
 23 bc7cb1a1 2003-11-23 devnull rmdir(char *f)
 24 bc7cb1a1 2003-11-23 devnull {
 25 bc7cb1a1 2003-11-23 devnull 	char *name;
 26 bc7cb1a1 2003-11-23 devnull 	int fd, i, j, n, ndir, nname;
 27 bc7cb1a1 2003-11-23 devnull 	Dir *dirbuf;
 28 bc7cb1a1 2003-11-23 devnull 
 29 bc7cb1a1 2003-11-23 devnull 	fd = open(f, OREAD);
 30 bc7cb1a1 2003-11-23 devnull 	if(fd < 0){
 31 bc7cb1a1 2003-11-23 devnull 		err(f);
 32 bc7cb1a1 2003-11-23 devnull 		return;
 33 bc7cb1a1 2003-11-23 devnull 	}
 34 bc7cb1a1 2003-11-23 devnull 	n = dirreadall(fd, &dirbuf);
 35 bc7cb1a1 2003-11-23 devnull 	close(fd);
 36 bc7cb1a1 2003-11-23 devnull 	if(n < 0){
 37 bc7cb1a1 2003-11-23 devnull 		err("dirreadall");
 38 bc7cb1a1 2003-11-23 devnull 		return;
 39 bc7cb1a1 2003-11-23 devnull 	}
 40 bc7cb1a1 2003-11-23 devnull 
 41 bc7cb1a1 2003-11-23 devnull 	nname = strlen(f)+1+STATMAX+1;	/* plenty! */
 42 bc7cb1a1 2003-11-23 devnull 	name = malloc(nname);
 43 bc7cb1a1 2003-11-23 devnull 	if(name == 0){
 44 bc7cb1a1 2003-11-23 devnull 		err("memory allocation");
 45 bc7cb1a1 2003-11-23 devnull 		return;
 46 bc7cb1a1 2003-11-23 devnull 	}
 47 bc7cb1a1 2003-11-23 devnull 
 48 bc7cb1a1 2003-11-23 devnull 	ndir = 0;
 49 bc7cb1a1 2003-11-23 devnull 	for(i=0; i<n; i++){
 50 bc7cb1a1 2003-11-23 devnull 		snprint(name, nname, "%s/%s", f, dirbuf[i].name);
 51 bc7cb1a1 2003-11-23 devnull 		if(remove(name) != -1)
 52 bc7cb1a1 2003-11-23 devnull 			dirbuf[i].qid.type = QTFILE;	/* so we won't recurse */
 53 bc7cb1a1 2003-11-23 devnull 		else{
 54 bc7cb1a1 2003-11-23 devnull 			if(dirbuf[i].qid.type & QTDIR)
 55 bc7cb1a1 2003-11-23 devnull 				ndir++;
 56 bc7cb1a1 2003-11-23 devnull 			else
 57 bc7cb1a1 2003-11-23 devnull 				err(name);
 58 bc7cb1a1 2003-11-23 devnull 		}
 59 bc7cb1a1 2003-11-23 devnull 	}
 60 bc7cb1a1 2003-11-23 devnull 	if(ndir)
 61 bc7cb1a1 2003-11-23 devnull 		for(j=0; j<n; j++)
 62 bc7cb1a1 2003-11-23 devnull 			if(dirbuf[j].qid.type & QTDIR){
 63 bc7cb1a1 2003-11-23 devnull 				snprint(name, nname, "%s/%s", f, dirbuf[j].name);
 64 bc7cb1a1 2003-11-23 devnull 				rmdir(name);
 65 bc7cb1a1 2003-11-23 devnull 			}
 66 bc7cb1a1 2003-11-23 devnull 	if(remove(f) == -1)
 67 bc7cb1a1 2003-11-23 devnull 		err(f);
 68 bc7cb1a1 2003-11-23 devnull 	free(name);
 69 bc7cb1a1 2003-11-23 devnull 	free(dirbuf);
 70 bc7cb1a1 2003-11-23 devnull }
 71 bc7cb1a1 2003-11-23 devnull void
 72 bc7cb1a1 2003-11-23 devnull main(int argc, char *argv[])
 73 bc7cb1a1 2003-11-23 devnull {
 74 bc7cb1a1 2003-11-23 devnull 	int i;
 75 bc7cb1a1 2003-11-23 devnull 	int recurse;
 76 bc7cb1a1 2003-11-23 devnull 	char *f;
 77 bc7cb1a1 2003-11-23 devnull 	Dir *db;
 78 bc7cb1a1 2003-11-23 devnull 
 79 bc7cb1a1 2003-11-23 devnull 	ignerr = 0;
 80 bc7cb1a1 2003-11-23 devnull 	recurse = 0;
 81 bc7cb1a1 2003-11-23 devnull 	ARGBEGIN{
 82 bc7cb1a1 2003-11-23 devnull 	case 'r':
 83 bc7cb1a1 2003-11-23 devnull 		recurse = 1;
 84 bc7cb1a1 2003-11-23 devnull 		break;
 85 bc7cb1a1 2003-11-23 devnull 	case 'f':
 86 bc7cb1a1 2003-11-23 devnull 		ignerr = 1;
 87 bc7cb1a1 2003-11-23 devnull 		break;
 88 bc7cb1a1 2003-11-23 devnull 	default:
 89 bc7cb1a1 2003-11-23 devnull 		fprint(2, "usage: rm [-fr] file ...\n");
 90 bc7cb1a1 2003-11-23 devnull 		exits("usage");
 91 bc7cb1a1 2003-11-23 devnull 	}ARGEND
 92 bc7cb1a1 2003-11-23 devnull 	for(i=0; i<argc; i++){
 93 bc7cb1a1 2003-11-23 devnull 		f = argv[i];
 94 bc7cb1a1 2003-11-23 devnull 		if(remove(f) != -1)
 95 bc7cb1a1 2003-11-23 devnull 			continue;
 96 bc7cb1a1 2003-11-23 devnull 		db = nil;
 97 bc7cb1a1 2003-11-23 devnull 		if(recurse && (db=dirstat(f))!=nil && (db->qid.type&QTDIR))
 98 bc7cb1a1 2003-11-23 devnull 			rmdir(f);
 99 bc7cb1a1 2003-11-23 devnull 		else
100 bc7cb1a1 2003-11-23 devnull 			err(f);
101 bc7cb1a1 2003-11-23 devnull 		free(db);
102 bc7cb1a1 2003-11-23 devnull 	}
103 bc7cb1a1 2003-11-23 devnull 	exits(errbuf);
104 bc7cb1a1 2003-11-23 devnull }