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authorUlrich Drepper <drepper@redhat.com>2005-12-20 17:53:00 +0000
committerUlrich Drepper <drepper@redhat.com>2005-12-20 17:53:00 +0000
commit2094e1a9757c1aa4307e65ae39ad20e9134f92e8 (patch)
tree1729230571d8d7946f721c41f9beb7706b3e6006 /sysdeps/posix
parent192c0fa590e169374331a449e2c832be21e5f8cd (diff)
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* sysdeps/posix/gai_strerror.c: Complete rewrite. Avoid relocations.
* sysdeps/posix/gai_strerror-strs.h: New file. * sysdeps/posix/Dist: New file.
Diffstat (limited to 'sysdeps/posix')
-rw-r--r--sysdeps/posix/Dist1
-rw-r--r--sysdeps/posix/gai_strerror-strs.h17
-rw-r--r--sysdeps/posix/gai_strerror.c70
3 files changed, 58 insertions, 30 deletions
diff --git a/sysdeps/posix/Dist b/sysdeps/posix/Dist
new file mode 100644
index 0000000000..7f0fb706a7
--- /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 0000000000..19040a5138
--- /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 e2835a5674..cc13dd4dab 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)