summaryrefslogtreecommitdiff
path: root/sys/src/ape/lib/bsd/gethostbyaddr.c
diff options
context:
space:
mode:
authorTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
committerTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
commite5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch)
treed8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/ape/lib/bsd/gethostbyaddr.c
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/ape/lib/bsd/gethostbyaddr.c')
-rwxr-xr-xsys/src/ape/lib/bsd/gethostbyaddr.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/sys/src/ape/lib/bsd/gethostbyaddr.c b/sys/src/ape/lib/bsd/gethostbyaddr.c
new file mode 100755
index 000000000..bd58b1dff
--- /dev/null
+++ b/sys/src/ape/lib/bsd/gethostbyaddr.c
@@ -0,0 +1,29 @@
+/* posix */
+#include <sys/types.h>
+#include <unistd.h>
+
+/* bsd extensions */
+#include <sys/uio.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+
+int h_errno;
+
+struct hostent*
+gethostbyaddr(void *addr, int len, int type)
+{
+ unsigned long a, y;
+ struct in_addr x;
+ unsigned char *p = addr;
+
+ if(type != AF_INET || len != 4){
+ h_errno = NO_RECOVERY;
+ return 0;
+ }
+
+ y = (p[0]<<24)|(p[1]<<16)|(p[2]<<8)|p[3];
+ x.s_addr = htonl(y);
+
+ return gethostbyname(inet_ntoa(x));
+}