1 #include <u.h>
2 #define NOPLAN9DEFINES
3 #include <libc.h>
4 #include <sys/stat.h>
5 
6 extern char *_p9translate(char*);
7 
8 int
9 p9create(char *xpath, int mode, ulong perm)
10 {
11 	int fd, cexec, umode, rclose;
12 	char *path;
13 
14 	if((path = _p9translate(xpath)) == nil)
15 		return -1;
16 
17 	cexec = mode&OCEXEC;
18 	rclose = mode&ORCLOSE;
19 	mode &= ~(ORCLOSE|OCEXEC);
20 
21 	/* XXX should get mode mask right? */
22 	fd = -1;
23 	if(perm&DMDIR){
24 		if(mode != OREAD){
25 			werrstr("bad mode in directory create");
26 			goto out;
27 		}
28 		if(mkdir(path, perm&0777) < 0)
29 			goto out;
30 		fd = open(path, O_RDONLY);
31 	}else{
32 		umode = (mode&3)|O_CREAT|O_TRUNC;
33 		mode &= ~(3|OTRUNC);
34 		if(mode&OEXCL){
35 			umode |= O_EXCL;
36 			mode &= ~OEXCL;
37 		}
38 		if(mode){
39 			werrstr("unsupported mode in create");
40 			goto out;
41 		}
42 		fd = open(path, umode, perm);
43 	}
44 out:
45 	if(fd >= 0){
46 		if(cexec)
47 			fcntl(fd, F_SETFL, FD_CLOEXEC);
48 		if(rclose)
49 			remove(path);
50 	}
51 	if(path != xpath)
52 		free(path);
53 	return fd;
54 }