1 fd04aace 2003-11-23 devnull #include <u.h>
 2 32f69c36 2003-12-11 devnull #define NOPLAN9DEFINES
 3 fd04aace 2003-11-23 devnull #include <libc.h>
 4 32f69c36 2003-12-11 devnull #include <sys/stat.h>
 5 fd04aace 2003-11-23 devnull 
 6 fd04aace 2003-11-23 devnull int
 7 8ad51794 2004-03-25 devnull p9create(char *path, int mode, ulong perm)
 8 fd04aace 2003-11-23 devnull {
 9 32f69c36 2003-12-11 devnull 	int fd, cexec, umode, rclose;
10 32f69c36 2003-12-11 devnull 
11 32f69c36 2003-12-11 devnull 	cexec = mode&OCEXEC;
12 32f69c36 2003-12-11 devnull 	rclose = mode&ORCLOSE;
13 32f69c36 2003-12-11 devnull 	mode &= ~(ORCLOSE|OCEXEC);
14 32f69c36 2003-12-11 devnull 
15 32f69c36 2003-12-11 devnull 	/* XXX should get mode mask right? */
16 32f69c36 2003-12-11 devnull 	fd = -1;
17 32f69c36 2003-12-11 devnull 	if(perm&DMDIR){
18 32f69c36 2003-12-11 devnull 		if(mode != OREAD){
19 32f69c36 2003-12-11 devnull 			werrstr("bad mode in directory create");
20 32f69c36 2003-12-11 devnull 			goto out;
21 32f69c36 2003-12-11 devnull 		}
22 32f69c36 2003-12-11 devnull 		if(mkdir(path, perm&0777) < 0)
23 32f69c36 2003-12-11 devnull 			goto out;
24 32f69c36 2003-12-11 devnull 		fd = open(path, O_RDONLY);
25 32f69c36 2003-12-11 devnull 	}else{
26 32f69c36 2003-12-11 devnull 		umode = (mode&3)|O_CREAT|O_TRUNC;
27 32f69c36 2003-12-11 devnull 		mode &= ~(3|OTRUNC);
28 32f69c36 2003-12-11 devnull 		if(mode&OEXCL){
29 32f69c36 2003-12-11 devnull 			umode |= O_EXCL;
30 32f69c36 2003-12-11 devnull 			mode &= ~OEXCL;
31 32f69c36 2003-12-11 devnull 		}
32 32f69c36 2003-12-11 devnull 		if(mode){
33 32f69c36 2003-12-11 devnull 			werrstr("unsupported mode in create");
34 32f69c36 2003-12-11 devnull 			goto out;
35 32f69c36 2003-12-11 devnull 		}
36 32f69c36 2003-12-11 devnull 		fd = open(path, umode, perm);
37 32f69c36 2003-12-11 devnull 	}
38 32f69c36 2003-12-11 devnull out:
39 32f69c36 2003-12-11 devnull 	if(fd >= 0){
40 32f69c36 2003-12-11 devnull 		if(cexec)
41 32f69c36 2003-12-11 devnull 			fcntl(fd, F_SETFL, FD_CLOEXEC);
42 32f69c36 2003-12-11 devnull 		if(rclose)
43 32f69c36 2003-12-11 devnull 			remove(path);
44 32f69c36 2003-12-11 devnull 	}
45 32f69c36 2003-12-11 devnull 	return fd;
46 fd04aace 2003-11-23 devnull }