Update.cvs/libc-ud-970924

1997-09-25 00:23  Ulrich Drepper  <drepper@cygnus.com>

	* elf/dl-profile.c: Correct implementation.

	* io/ftwtest-sh: Don't depend on TMPDIR == /tmp.

	* locale/setlocale.c: Rewrite a bit for more clarity.

	* math/Makefile (libm-calls): Add w_exp2.
	* math/math_private.h: Add prototypes for __ieee754_exp2{,f,l}.
	* sysdeps/libm-i387/s_exp2.S: Change name to __ieee754_exp2.
	* sysdeps/libm-i387/s_exp2f.S: Likewise.
	* sysdeps/libm-i387/s_exp2l.S: Likewise.
	* sysdeps/libm-ieee754/k_standard.c: Add error cases for exp2.

	* string/bits/string2.h (__strcpy_small): Optimize.
	(__stpcpy_small): Likewise.
	(strncpy): Use variable for dest argument since it's used more than
	once.
	(strncat): Likewise.
	(strcmp): Add optimization for this function.
	* sysdeps/i386/i486/string.h (strlen): Correctly use __builtin_strlen.
	(__strcpy_small): Optimize.
	(__stpcpy_small): Likewise.
	(__stpcpy_c): Correctly use __mempcpy_* macros.
	(__mempcpy_by2, __mempcpy_by4, __mempcpy_byn): Return pointer to
	byte following last copied.
	(strncat): Use variable for dest argument since it's used more than
	once.
	(strcmp): Add optimization for this function.

	* sysdeps/i386/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Use
	.text and .previous to select correct section.

1997-09-23 19:56  Philip Blundell  <Philip.Blundell@pobox.com>

	* configure.in: Add `--disable-versioning' option to suppress the
	use of symbol versions even if binutils claims to support it.

1997-09-24 20:10  Philip Blundell  <Philip.Blundell@pobox.com>

	* csu/Makefile (before-compile): Don't try to build abi-tags.h if
	not using ELF.

1997-09-21  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/sofini.c [HAVE_DWARF2_UNWIND_INFO]: Supply termination for
	the frame unwind info section.

	* elf/soinit.c [HAVE_DWARF2_UNWIND_INFO]: Register and unregister
	the frame unwind info.

	* config.h.in (HAVE_DWARF2_UNWIND_INFO): Add #undef.

	* configure.in: Check whether gcc supports DWARF2 unwind info.

	* libc.map: Export frame handling tables.

1997-09-10 06:56  Geoff Keating  <geoffk@ozemail.com.au>

	* sysdeps/unix/sysv/linux/powerpc/bits/kernel_termios.h:
	Use the size of the kernel's termios structure for ioctls.

	* sysdeps/powerpc/dl-machine.h: Prepare for library profiling.

	* sysdeps/powerpc/bits/mathinline.h: Add slightly slower versions
	of the C9X FP comparison macros. Delete 'fabs' and 'sqrt' inline
	routines, because gcc has them as internals.

	* sysdeps/powerpc/Makefile (pic-ccflags): Define this instead of
	CFLAGS-.os.

	* sysdeps/powerpc/bzero.S: New file.
	* sysdeps/powerpc/strcat.c: New file.
	* sysdeps/powerpc/strcpy.S: New file.
	* sysdeps/powerpc/stpcpy.S: New file.

	* math/Makefile: Add atest_exp2, test-reduce.
	* math/atest_exp2.c: New file.
	* math/test-reduce.c: New file.
	* sysdeps/libm-ieee754/Dist: New file.
	* sysdeps/libm-ieee754/s_exp2.c: New file.
	* sysdeps/libm-ieee754/s_exp2f.c: New file.
	* sysdeps/libm-ieee754/t_exp2.h: New file.
	* sysdeps/libm-ieee754/t_exp2f.h: New file.
	* math/libm-test.c (exp2_test): Add some more tests.

	* Rules: Use empty.os instead of empty.o, since it gets linked into
	libc.so...
	* configure.in: Add --disable-static to disable building .a files.
	* config.make.in: Substitute the new variable.
	* Makeconfig: Don't build .o files if not building .a files.

	* elf/dl-runtime.c (fixup): Factor out call to elf_machine_relplt.
	(profile_fixup): Likewise.

1997-09-23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* posix/globtest.c (main): Change to directory passed as first
	argument.

	* posix/globtest.sh: Don't cd before running the program, instead
	pass testdir as argument, so that $common_objpfx remains valid.

1997-09-23 18:01  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/nis_call.c (__do_niscall2): Fix multiple Server support.

	* nis/nis_findserver.c: Save latest working sockaddr_in.

1997-09-17 22:07  Zack Weinberg  <zack@rabi.phys.columbia.edu>

	* configure.in: Automatically determine whether as and ld are the
	GNU versions.
	(options):  --with-gnu-{as,ld,binutils} replaced by
	single option --with-binutils=PATH specifying a -B option to gcc.
	* aclocal.m4: Two new macros defined, LIBC_PROG_FOO_GNU and
	LIBC_PROG_BINUTILS.

	* configure.in: Allow the user to force configuration for
	unsupported platforms with an undocumented option.

1997-09-22 16:55  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* sunrpc/get_myaddr.c (get_myaddress): Avoid loopback interfaces,
	return loopback address only if there is no other interface.

	* nis/Makefile: Add nis_callback libnsl-routines.

	* nis/nis_add.c: Use new __do_niscall* interface.
	* nis/nis_cache.c: Likewise.
	* nis/nis_checkpoint.c: Likewise.
	* nis/nis_lookup.c: Likewise.
	* nis/nis_mkdir.c: Likewise.
	* nis/nis_modify.c: Likewise.
	* nis/nis_ping.c: Likewise.
	* nis/nis_remove.c: Likewise.
	* nis/nis_rmdir.c: Likewise.
	* nis/nis_server.c: Likewise.
	* nis/nis_util.c: Likewise.

	* nis/rpcsvc/nis.h: Make C++ safe.

	* nis/nss_nisplus/nisplus-publickey.c (getsecretkey): Fix use
	of variables.

	* nis/nis_findserv.c: Make thread safe.

	* nis/nis_call.c: Add support for callback, Fix use of variables.
	* nis/nis_table.c: Add support for callback, FOLLOW_PATH and
	ALL_RESULTS.
	* nis/nis_callback.c: New, callback functions.
	* nis/nis_intern.h: Add callback declarations.

1997-09-20  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* string/bits/string2.h: Fix logic in preprocessor directive.
	(__strsep_1c, __strsep_g): Don't declare __retval as pointing to
	const, to save a cast and a possible warning.

1997-09-22 04:12  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/i386/i486/atomicity.h (exchange_and_add): Really address
	memory in xadd not %1.

1997-09-21 13:56  Ulrich Drepper  <drepper@cygnus.com>

	* manual/maint.texi (Supported Configurations): Add SPARC64 to
	list of supported platforms.

1 files changed, 339 insertions, 0 deletions

diff --git a/nis/nis_callback.c b/nis/nis_callback.c
new file mode 100644
index 0000000000..48c1950dd7
--- /dev/null
+++ b/nis/nis_callback.c
@@ -0,0 +1,339 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <rpc/pmap_clnt.h>
+#include <string.h>
+#include <memory.h>
+#include <syslog.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <rpcsvc/nis.h>
+#include <bits/libc-lock.h>
+
+#include "nis_intern.h"
+
+extern void get_myaddress (struct sockaddr_in *addr);
+
+/* Sorry, we are not able to make this threadsafe. Stupid. But some
+   functions doesn't send us a nis_result obj, so we don't have a
+   cookie. Maybe we could use keys for threads ? Have to learn more
+   about pthreads -- kukuk@vt.uni-paderborn.de */
+
+#define CB_PROG ((u_long)100302)
+#define CB_VERS ((u_long)1)
+#define CBPROC_RECEIVE ((u_long)1)
+#define CBPROC_FINISH ((u_long)2)
+#define CBPROC_ERROR ((u_long)3)
+
+typedef nis_object *obj_p;
+
+struct cback_data
+  {
+    struct
+      {
+	u_int entries_len;
+	obj_p *entries_val;
+      }
+    entries;
+  };
+typedef struct cback_data cback_data;
+
+static nis_cb *data;
+
+__libc_lock_define_initialized (static, callback)
+
+static bool_t xdr_cback_data (XDR *, cback_data *);
+
+static void
+cb_prog_1 (struct svc_req *rqstp, SVCXPRT *transp)
+{
+  union
+    {
+      cback_data cbproc_receive_1_arg;
+      nis_error cbproc_error_1_arg;
+    }
+  argument;
+  char *result;
+  xdrproc_t xdr_argument, xdr_result;
+  bool_t bool_result;
+
+  switch (rqstp->rq_proc)
+    {
+    case NULLPROC:
+      (void) svc_sendreply (transp, (xdrproc_t) xdr_void, (char *) NULL);
+      return;
+
+    case CBPROC_RECEIVE:
+      {
+	char name[NIS_MAXNAMELEN + 1];
+	u_long i;
+
+	xdr_argument = (xdrproc_t) xdr_cback_data;
+	xdr_result = (xdrproc_t) xdr_bool;
+	memset (&argument, 0, sizeof (argument));
+	if (!svc_getargs (transp, xdr_argument, (caddr_t) & argument))
+	  {
+	    svcerr_decode (transp);
+	    return;
+	  }
+	bool_result = FALSE;
+	for (i = 0; i < argument.cbproc_receive_1_arg.entries.entries_len; ++i)
+	  {
+	    snprintf (name, NIS_MAXNAMELEN, "%s.%s",
+	      argument.cbproc_receive_1_arg.entries.entries_val[i]->zo_name,
+	    argument.cbproc_receive_1_arg.entries.entries_val[i]->zo_domain);
+
+	    if ((data->callback)
+		(name, argument.cbproc_receive_1_arg.entries.entries_val[i],
+		 data->userdata))
+	      {
+		bool_result = TRUE;
+		data->nomore = 1;
+		data->result = NIS_SUCCESS;
+		break;
+	      }
+	  }
+	result = (char *) &bool_result;
+      }
+      break;
+    case CBPROC_FINISH:
+      xdr_argument = (xdrproc_t) xdr_void;
+      xdr_result = (xdrproc_t) xdr_void;
+      memset (&argument, 0, sizeof (argument));
+      if (!svc_getargs (transp, xdr_argument, (caddr_t) & argument))
+	{
+	  svcerr_decode (transp);
+	  return;
+	}
+      data->nomore = 1;
+      data->result = NIS_SUCCESS;
+      bool_result = TRUE;	/* to make gcc happy, not necessary */
+      result = (char *) &bool_result;
+      break;
+    case CBPROC_ERROR:
+      xdr_argument = (xdrproc_t) xdr_nis_error;
+      xdr_result = (xdrproc_t) xdr_void;
+      memset (&argument, 0, sizeof (argument));
+      if (!svc_getargs (transp, xdr_argument, (caddr_t) & argument))
+	{
+	  svcerr_decode (transp);
+	  return;
+	}
+      data->nomore = 1;
+      data->result = argument.cbproc_error_1_arg;
+      bool_result = TRUE;	/* to make gcc happy, not necessary */
+      result = (char *) &bool_result;
+      break;
+    default:
+      svcerr_noproc (transp);
+      return;
+    }
+  if (result != NULL && !svc_sendreply (transp, xdr_result, result))
+    svcerr_systemerr (transp);
+  if (!svc_freeargs (transp, xdr_argument, (caddr_t) & argument))
+    {
+      fputs (_ ("unable to free arguments"), stderr);
+      exit (1);
+    }
+  return;
+}
+
+static bool_t
+xdr_obj_p (XDR * xdrs, obj_p *objp)
+{
+  if (!xdr_pointer (xdrs, (char **) objp, sizeof (nis_object),
+		    (xdrproc_t) xdr_nis_object))
+    return FALSE;
+  return TRUE;
+}
+
+static bool_t
+xdr_cback_data (XDR *xdrs, cback_data *objp)
+{
+  if (!xdr_array (xdrs, (char **) &objp->entries.entries_val,
+		  (u_int *) & objp->entries.entries_len, ~0, sizeof (obj_p),
+		  (xdrproc_t) xdr_obj_p))
+    return FALSE;
+  return TRUE;
+}
+
+static nis_error
+internal_nis_do_callback (struct dir_binding *bptr, netobj *cookie,
+			  struct nis_cb *cb)
+{
+  /* Default timeout can be changed using clnt_control() */
+  static struct timeval TIMEOUT = {25, 0};
+#ifdef FD_SETSIZE
+  fd_set readfds;
+#else
+  int readfds;
+#endif /* def FD_SETSIZE */
+  struct timeval tv;
+  bool_t cb_is_running = FALSE;
+
+  data = cb;
+
+  for (;;)
+    {
+#ifdef FD_SETSIZE
+      readfds = svc_fdset;
+#else
+      readfds = svc_fds;
+#endif /* def FD_SETSIZE */
+      tv.tv_sec = 25;
+      tv.tv_usec = 0;
+      switch (select (_rpc_dtablesize (), &readfds, NULL, NULL, &tv))
+	{
+	case -1:
+	  if (errno == EINTR)
+	    continue;
+	  return NIS_CBERROR;
+	case 0:
+	  /* See if callback 'thread' in the server is still alive. */
+	  memset ((char *) &cb_is_running, 0, sizeof (cb_is_running));
+	  if (clnt_call (bptr->clnt, NIS_CALLBACK, (xdrproc_t) xdr_netobj,
+			 (caddr_t) cookie, (xdrproc_t) xdr_bool,
+			 (caddr_t) & cb_is_running, TIMEOUT) != RPC_SUCCESS)
+	    cb_is_running = FALSE;
+
+	  if (cb_is_running == FALSE)
+	    {
+	      syslog (LOG_ERR, "NIS+: callback timed out");
+	      return NIS_CBERROR;
+	    }
+	  break;
+	default:
+	  svc_getreqset (&readfds);
+	  if (data->nomore)
+	    return data->result;
+	}
+    }
+}
+
+nis_error
+__nis_do_callback (struct dir_binding *bptr, netobj *cookie,
+		   struct nis_cb *cb)
+{
+  nis_error result;
+
+  __libc_lock_lock (callback);
+
+  result = internal_nis_do_callback (bptr, cookie, cb);
+
+  __libc_lock_unlock (callback);
+
+  return result;
+}
+
+struct nis_cb *
+__nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
+					const void *),
+		       const void *userdata, u_long flags)
+{
+  struct nis_cb *cb;
+  int sock = RPC_ANYSOCK;
+  struct sockaddr_in sin;
+  int len = sizeof (struct sockaddr_in);
+  char addr[NIS_MAXNAMELEN + 1];
+  unsigned short port;
+
+  cb = (struct nis_cb *) calloc (1, sizeof (struct nis_cb));
+  if (cb == NULL)
+    {
+      syslog (LOG_ERR, "NIS+: out of memory allocating callback");
+      return NULL;
+    }
+
+  cb->serv = (nis_server *) calloc (1, sizeof (nis_server));
+  if (cb->serv == NULL)
+    {
+      free (cb);
+      syslog (LOG_ERR, "NIS+: out of memory allocating callback");
+      return (NULL);
+    }
+  cb->serv->name = strdup (nis_local_host ());
+  cb->serv->ep.ep_val = (endpoint *) calloc (2, sizeof (endpoint));
+  cb->serv->ep.ep_len = 1;
+  cb->serv->ep.ep_val[0].family = strdup ("inet");
+  cb->callback = callback;
+  cb->userdata = userdata;
+
+  /* XXX Sometimes, we should add the public key of the user here ! */
+  cb->serv->key_type = NIS_PK_NONE;
+  cb->serv->pkey.n_bytes = NULL;
+  cb->serv->pkey.n_len = 0;
+
+  if (flags & USE_DGRAM)
+    {
+      cb->serv->ep.ep_val[0].proto = strdup ("udp");
+      cb->xprt = svcudp_bufcreate (sock, 100, 8192);
+    }
+  else
+    {
+      cb->serv->ep.ep_val[0].proto = strdup ("tcp");
+      cb->xprt = svctcp_create (sock, 100, 8192);
+    }
+  cb->sock = cb->xprt->xp_sock;
+  if (!svc_register (cb->xprt, CB_PROG, CB_VERS, cb_prog_1, 0))
+    {
+      xprt_unregister (cb->xprt);
+      svc_destroy (cb->xprt);
+      xdr_free ((xdrproc_t) xdr_nis_server, (char *) cb->serv);
+      free (cb->serv);
+      free (cb);
+      syslog (LOG_ERR, "NIS+: failed to register callback dispatcher");
+      return NULL;
+    }
+
+  if (getsockname (cb->sock, (struct sockaddr *) &sin, &len) == -1)
+    {
+      xprt_unregister (cb->xprt);
+      svc_destroy (cb->xprt);
+      xdr_free ((xdrproc_t) xdr_nis_server, (char *) cb->serv);
+      free (cb->serv);
+      free (cb);
+      syslog (LOG_ERR, "NIS+: failed to read local socket info");
+      return (NULL);
+    }
+  port = sin.sin_port;
+  get_myaddress (&sin);
+  snprintf (addr, sizeof (addr), "%s.%d.%d", inet_ntoa (sin.sin_addr),
+	    port & 0x00FF, (port & 0xFF00) >> 8);
+  cb->serv->ep.ep_val[0].uaddr = strdup (addr);
+
+  return cb;
+}
+
+nis_error
+__nis_destroy_callback (struct nis_cb *cb)
+{
+  xprt_unregister (cb->xprt);
+  svc_destroy (cb->xprt);
+  close (cb->sock);
+  xdr_free ((xdrproc_t) xdr_nis_server, (char *) cb->serv);
+  free (cb->serv);
+  free (cb);
+
+  return NIS_SUCCESS;
+}