initial check-in, version 0.5.0 v0.5.0

1 files changed, 63 insertions, 0 deletions

diff --git a/src/network/gethostbyname.c b/src/network/gethostbyname.c
new file mode 100644
index 00000000..5088a51e
--- /dev/null
+++ b/src/network/gethostbyname.c
@@ -0,0 +1,63 @@
+#define _GNU_SOURCE
+
+#include <sys/socket.h>
+#include <netdb.h>
+#include <string.h>
+#include <netinet/in.h>
+
+struct hostent *gethostbyname(const char *name)
+{
+	return gethostbyname2(name, AF_INET);
+}
+
+#if 0
+struct hostent *gethostbyname(const char *name)
+{
+	static struct hostent h;
+	static char *h_aliases[3];
+	static char h_canon[256];
+	static char *h_addr_list[10];
+	static char h_addr_data[10][4];
+	static const struct addrinfo hint = {
+		.ai_family = AF_INET, .ai_flags = AI_CANONNAME
+	};
+	struct addrinfo *ai, *p;
+	int i;
+
+	switch (getaddrinfo(name, 0, &hint, &ai)) {
+	case EAI_NONAME:
+		h_errno = HOST_NOT_FOUND;
+		break;
+	case EAI_AGAIN:
+		h_errno = TRY_AGAIN;
+		break;
+	case EAI_FAIL:
+		h_errno = NO_RECOVERY;
+		break;
+	default:
+	case EAI_MEMORY:
+	case EAI_SYSTEM:
+		h_errno = NO_DATA;
+		break;
+	case 0:
+		break;
+	}
+
+	strcpy(h_canon, ai->ai_canonname);
+	h.h_name = h_canon;
+	h.h_aliases = h_aliases;
+	h.h_aliases[0] = h_canon;
+	h.h_aliases[1] = strcmp(h_canon, name) ? (char *)name : 0;
+	h.h_length = 4;
+	h.h_addr_list = h_addr_list;
+	for (i=0, p=ai; i<sizeof h_addr_data/4 && p; i++, p=p->ai_next) {
+		h.h_addr_list[i] = h_addr_data[i];
+		memcpy(h.h_addr_list[i],
+			&((struct sockaddr_in *)p->ai_addr)->sin_addr, 4);
+	}
+	h.h_addr_list[i] = 0;
+	h.h_addrtype = AF_INET;
+	freeaddrinfo(ai);
+	return &h;
+}
+#endif