Change the kernel dev_t, representing a pointer to a specinfo structure,
[dragonfly.git] / contrib / bind-9.2.4rc7 / lib / bind / bsd / writev.c
1 #ifndef LINT
2 static const char rcsid[] = "$Id: writev.c,v 1.1.2.1 2003/06/27 03:51:35 marka Exp $";
3 #endif
4
5 #include "port_before.h"
6
7 #include <sys/types.h>
8 #include <sys/uio.h>
9 #include <sys/stat.h>
10 #include <sys/socket.h>
11
12 #include "port_after.h"
13
14 #ifndef NEED_WRITEV
15 int __bindcompat_writev;
16 #else
17
18 #ifdef _CRAY
19 #define OWN_WRITEV
20 int
21 __writev(int fd, struct iovec *iov, int iovlen)
22 {
23         struct stat statbuf;
24
25         if (fstat(fd, &statbuf) < 0)
26                 return (-1);
27
28         /*
29          * Allow for atomic writes to network.
30          */
31         if (statbuf.st_mode & S_IFSOCK) {
32                 struct msghdr   mesg;           
33
34                 memset(&mesg, 0, sizeof(mesg));
35                 mesg.msg_name = 0;
36                 mesg.msg_namelen = 0;
37                 mesg.msg_iov = iov;
38                 mesg.msg_iovlen = iovlen;
39                 mesg.msg_accrights = 0;
40                 mesg.msg_accrightslen = 0;
41                 return (sendmsg(fd, &mesg, 0));
42         } else {
43                 struct iovec *tv;
44                 int i, rcode = 0, count = 0;
45
46                 for (i = 0, tv = iov; i <= iovlen; tv++) {
47                         rcode = write(fd, tv->iov_base, tv->iov_len);
48
49                         if (rcode < 0)
50                                 break;
51
52                         count += rcode;
53                 }
54
55                 if (count == 0)
56                         return (rcode);
57                 else
58                         return (count);
59         }
60 }
61
62 #else /*_CRAY*/
63
64 int
65 __writev(fd, vp, vpcount)
66         int fd;
67         const struct iovec *vp;
68         int vpcount;
69 {
70         int count = 0;
71
72         while (vpcount-- > 0) {
73                 int written = write(fd, vp->iov_base, vp->iov_len);
74
75                 if (written < 0)
76                         return (-1);
77                 count += written;
78                 if (written != vp->iov_len)
79                         break;
80                 vp++;
81         }
82         return (count);
83 }
84
85 #endif /*_CRAY*/
86
87 #endif /*NEED_WRITEV*/