From 2094e1a9757c1aa4307e65ae39ad20e9134f92e8 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Tue, 20 Dec 2005 17:53:00 +0000
Subject: * sysdeps/posix/gai_strerror.c: Complete rewrite. Avoid relocations.

	* sysdeps/posix/gai_strerror-strs.h: New file.
	* sysdeps/posix/Dist: New file.
---
 sysdeps/posix/Dist                |  1 +
 sysdeps/posix/gai_strerror-strs.h | 17 ++++++++++
 sysdeps/posix/gai_strerror.c      | 70 ++++++++++++++++++++++-----------------
 3 files changed, 58 insertions(+), 30 deletions(-)
 create mode 100644 sysdeps/posix/Dist
 create mode 100644 sysdeps/posix/gai_strerror-strs.h

(limited to 'sysdeps')

diff --git a/sysdeps/posix/Dist b/sysdeps/posix/Dist
new file mode 100644
index 0000000..7f0fb70
--- /dev/null
+++ b/sysdeps/posix/Dist
@@ -0,0 +1 @@
+gai_strerror-strs.h
diff --git a/sysdeps/posix/gai_strerror-strs.h b/sysdeps/posix/gai_strerror-strs.h
new file mode 100644
index 0000000..19040a5
--- /dev/null
+++ b/sysdeps/posix/gai_strerror-strs.h
@@ -0,0 +1,17 @@
+_S(EAI_ADDRFAMILY, N_("Address family for hostname not supported"))
+_S(EAI_AGAIN, N_("Temporary failure in name resolution"))
+_S(EAI_BADFLAGS, N_("Bad value for ai_flags"))
+_S(EAI_FAIL, N_("Non-recoverable failure in name resolution"))
+_S(EAI_FAMILY, N_("ai_family not supported"))
+_S(EAI_MEMORY, N_("Memory allocation failure"))
+_S(EAI_NODATA, N_("No address associated with hostname"))
+_S(EAI_NONAME, N_("Name or service not known"))
+_S(EAI_SERVICE, N_("Servname not supported for ai_socktype"))
+_S(EAI_SOCKTYPE, N_("ai_socktype not supported"))
+_S(EAI_SYSTEM, N_("System error"))
+_S(EAI_INPROGRESS, N_("Processing request in progress"))
+_S(EAI_CANCELED, N_("Request canceled"))
+_S(EAI_NOTCANCELED, N_("Request not canceled"))
+_S(EAI_ALLDONE, N_("All requests done"))
+_S(EAI_INTR, N_("Interrupted by a signal"))
+_S(EAI_IDN_ENCODE, N_("Parameter string not correctly encoded"))
diff --git a/sysdeps/posix/gai_strerror.c b/sysdeps/posix/gai_strerror.c
index e2835a5..cc13dd4 100644
--- a/sysdeps/posix/gai_strerror.c
+++ b/sysdeps/posix/gai_strerror.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 2001, 2002, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Philip Blundell <pjb27@cam.ac.uk>, 1997.
 
@@ -17,44 +17,54 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#include <stdio.h>
-#include <netdb.h>
 #include <libintl.h>
+#include <netdb.h>
+#include <stdint.h>
+#include <stdio.h>
+
 
-static struct
+#define MSGSTRFIELD(line) MSGSTRFIELD1 (line)
+#define MSGSTRFIELD1(line) str##line
+static const union msgstr_t
+{
+  struct
   {
-    int code;
-    const char *msg;
-  }
-values[] =
+#define _S(n, s) char MSGSTRFIELD(__LINE__)[sizeof (s)];
+#include "gai_strerror-strs.h"
+#undef _S
+  };
+  char str[0];
+} msgstr =
   {
-    { EAI_ADDRFAMILY, N_("Address family for hostname not supported") },
-    { EAI_AGAIN, N_("Temporary failure in name resolution") },
-    { EAI_BADFLAGS, N_("Bad value for ai_flags") },
-    { EAI_FAIL, N_("Non-recoverable failure in name resolution") },
-    { EAI_FAMILY, N_("ai_family not supported") },
-    { EAI_MEMORY, N_("Memory allocation failure") },
-    { EAI_NODATA, N_("No address associated with hostname") },
-    { EAI_NONAME, N_("Name or service not known") },
-    { EAI_SERVICE, N_("Servname not supported for ai_socktype") },
-    { EAI_SOCKTYPE, N_("ai_socktype not supported") },
-    { EAI_SYSTEM, N_("System error") },
-    { EAI_INPROGRESS, N_("Processing request in progress") },
-    { EAI_CANCELED, N_("Request canceled") },
-    { EAI_NOTCANCELED, N_("Request not canceled") },
-    { EAI_ALLDONE, N_("All requests done") },
-    { EAI_INTR, N_("Interrupted by a signal") },
-    { EAI_IDN_ENCODE, N_("Parameter string not correctly encoded") }
+    {
+#define _S(n, s) s,
+#include "gai_strerror-strs.h"
+#undef _S
+    }
   };
+static const struct
+{
+  int16_t code;
+  uint16_t idx;
+} msgidx[] =
+  {
+#define _S(n, s) { n, offsetof (union msgstr_t, MSGSTRFIELD (__LINE__)) },
+#include "gai_strerror-strs.h"
+#undef _S
+  };
+
 
 const char *
 gai_strerror (int code)
 {
-  size_t i;
-  for (i = 0; i < sizeof (values) / sizeof (values[0]); ++i)
-    if (values[i].code == code)
-      return _(values[i].msg);
+  const char *result = "Unknown error";
+  for (size_t i = 0; i < sizeof (msgidx) / sizeof (msgidx[0]); ++i)
+    if (msgidx[i].code == code)
+      {
+	result = msgstr.str + msgidx[i].idx;
+	break;
+      }
 
-  return _("Unknown error");
+  return _(result);
 }
 libc_hidden_def (gai_strerror)
-- 
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