From 09e967c2d732783b2579e4e120cd9b608404cb00 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gwenol=C3=A9=20Beauchesne?= <gbeauchesne@mandriva.org>
Date: Wed, 4 Jun 2003 18:31:57 +0000
Subject: Merge from R9_0-AMD64, most notably: - AMD64 support to
 insmod-busybox, minilibc, et al. - Sync with insmod-modutils 2.4.19 something
 but everyone should use   dietlibc nowadays - Factor out compilation and
 prefix with $(DIET) for dietlibc builds - 64-bit & varargs fixes

---
 mdk-stage1/dietlibc/libcruft/gethostbyname2.c | 40 ++++++++++++---------------
 1 file changed, 18 insertions(+), 22 deletions(-)

(limited to 'mdk-stage1/dietlibc/libcruft/gethostbyname2.c')

diff --git a/mdk-stage1/dietlibc/libcruft/gethostbyname2.c b/mdk-stage1/dietlibc/libcruft/gethostbyname2.c
index 3d8296616..1ca140dbe 100644
--- a/mdk-stage1/dietlibc/libcruft/gethostbyname2.c
+++ b/mdk-stage1/dietlibc/libcruft/gethostbyname2.c
@@ -1,4 +1,3 @@
-
 #include <string.h>
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -6,35 +5,32 @@
 #include <netdb.h>
 #include <stdlib.h>
 #include <arpa/inet.h>
-#include <sys/poll.h>
 #include <unistd.h>
 #include <errno.h>
+#include "dietwarning.h"
+
+static const int hostentsize=((sizeof(struct hostent)+15)&(-16));
 
-extern int h_errno;
+extern size_t __dns_buflen;
+extern char* __dns_buf;
+extern void __dns_makebuf(size_t x);
 
-struct hostent* gethostbyname2(const char *host,int AF)
-{
-  static struct hostent hostbuf;
+struct hostent* gethostbyname2(const char *host,int AF) {
+  struct hostent *hostbuf;
   struct hostent *hp;
-  size_t hstbuflen;
-  char *tmphstbuf;
   int res;
   int herr;
 
-  hstbuflen = 1024;
-  /* Allocate buffer, remember to free it to avoid a memory leakage.  */
-  tmphstbuf = malloc (hstbuflen);
-
-  while ((res = gethostbyname2_r (host, AF,&hostbuf, tmphstbuf, hstbuflen,
-				  &hp, &herr)) == ERANGE)
-    {
-      /* Enlarge the buffer.  */
-      hstbuflen *= 2;
-      tmphstbuf = realloc (tmphstbuf, hstbuflen);
-    }
-  /*  Check for errors.  */
-  if (res || hp == NULL)
-    return NULL;
+  __dns_buflen=512;
+  do {
+    __dns_makebuf(__dns_buflen*2); if (!__dns_buf) return 0;
+    hostbuf=(struct hostent*)__dns_buf;
+  } while ((res = gethostbyname2_r (host, AF, hostbuf,
+				    __dns_buf+hostentsize,
+				    __dns_buflen-hostentsize, &hp,
+				    &herr)) == ERANGE);
+  if (res) hp=0;
   return hp;
 }
 
+link_warning("gethostbyname2","warning: gethostbyname2() leaks memory.  Use gethostbyname2_r instead!")
-- 
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