1 #define NOPLAN9DEFINES
2 #include <u.h>
3 #include <libc.h>
4 #include <sys/time.h>
5 #include <sys/stat.h>
6 
7 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__OpenBSD__) || defined(__linux__)
8 /* do nothing -- futimes exists and is fine */
9 
10 #elif defined(__SunOS5_9__)
11 /* use futimesat */
12 static int
13 futimes(int fd, struct timeval *tv)
14 {
15 	return futimesat(fd, 0, tv);
16 }
17 
18 #else
19 /* provide dummy */
20 /* rename just in case -- linux provides an unusable one */
21 #undef futimes
22 #define futimes myfutimes
23 static int
24 futimes(int fd, struct timeval *tv)
25 {
26 	werrstr("futimes not available");
27 	return -1;
28 }
29 
30 #endif
31 
32 int
33 dirfwstat(int fd, Dir *dir)
34 {
35 	int ret;
36 	struct timeval tv[2];
37 
38 	ret = 0;
39 	if(~dir->mode != 0){
40 		if(fchmod(fd, dir->mode) < 0)
41 			ret = -1;
42 	}
43 	if(~dir->mtime != 0){
44 		tv[0].tv_sec = dir->mtime;
45 		tv[0].tv_usec = 0;
46 		tv[1].tv_sec = dir->mtime;
47 		tv[1].tv_usec = 0;
48 		if(futimes(fd, tv) < 0)
49 			ret = -1;
50 	}
51 	if(~dir->length != 0){
52 		if(ftruncate(fd, dir->length) < 0)
53 			ret = -1;
54 	}
55 	return ret;
56 }