Update.

1998-02-10 23:57  Ulrich Drepper  <drepper@happy.cygnus.com>

	* misc/tst-efgcvt.c: Add more tests.
	* misc/efgcvt_r.c: Correct result for above new tests.

1998-02-06 17:22  H.J. Lu  <hjl@gnu.org>

	* misc/efgcvt_r.c (fcvt_r, ecvt_r): Correctly handle
	NDIGIT <= 0.

1998-02-10 16:48  Philip Blundell  <pb@nexus.co.uk>

	* Makerules (install-no-libc.a-nosubdir): Don't install-bin (etc)
	if the programs weren't built.

1998-02-09 10:12  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/libm-ieee754/s_exp2.c (__ieee754_exp2): If we don't have
	FE_TONEAREST, soldier on regardless and do the best we can.
	* sysdeps/libm-ieee754/s_exp2f.c (__ieee754_exp2f): likewise.

1998-02-5 17:20  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/standalone/filedesc.h: Define __need_FOPEN_MAX, not
	_STDIO_H, before including <bits/stdio_lim.h>.

	* sysdeps/standalone/arm/bits/errno.h (EOVERFLOW): Added.

	* io/fts.c (fts_build): Don't try to use d_type if it doesn't
	exist.
	
	* sysdeps/arm/sys/ucontext.h: New file.

1998-02-04 10:11  Philip Blundell  <pb@nexus.co.uk>

	* manual/stdio.texi (Formatted Output Functions): Explicitly say
	that the return value from snprintf() does not count the
	terminating NUL as a character.
	
1998-02-10 16:57  Ulrich Drepper  <drepper@happy.cygnus.com>

	* manual/users.texi: Rewrite to describe correct POSIX behaviour,
	add description for sete[ug]id and general cleanup.
	Patch by Zack Weinberg <zack@rabi.phys.columbia.edu>.

1998-01-04  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makefile (parent-clean): Don't remove makefile fragments here.
	(postclean): New variable.
	(clean): Remove makefile fragments here.
	(realclean distclean): Likewise.  Pass sysdep-subdirs to sub-make.
	(generated): Add isomac and isomanc.out.
	* Makeconfig ($(common-objpfx)soversions.mk): Don't generate if
	avoid-generated is set.
	(postclean-generated): Add soversion.mk.
	($(common-objpfx)version.mk): Don't include if avoid-generated is
	set.
	* Makerules: Still need to include $(+sysdir_pfx)sysd-Makefile if
	avoid-generated is set.
	(common-generated): Add libc.so and libc.so$(libc.so-version).
	(generated): Add versioned libraries.
	(common-mostlyclean): Also remove %.so and %_pic.a.
	* csu/Makefile (generated): Add abi-tag.h.
	* db2/Makefile (extra-objs): Add getlong.o.
	* elf/Makefile (generated): Add ld.so, ldd and
	$(rtld-installed-name).
	(others): Add ldconfig here instead of ldconfig.o to extra-objs.
	* malloc/Makefile (generated): Add mtrace.
	* po/Makefile: Don't include version.mk, not needed any more.
	* sunrpc/Makefile (generated): Add rpc-proto.d and rpcgen.
	* sysdeps/unix/Makefile: Fix local_lim.h -> bits/local_lim.h,
	syscall.h -> sys/syscall.h.
	(common-generated): Add s-proto.d.
	(postclean-generated): Add sysd-syscalls.
	* localedata/Makefile (test-output): Add all output files.
	(generated): Add test-input and test-output.
	(generated-dirs): Add all the dirs.

1998-01-04  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makefile (test-output, generated, generated-dirs): New
	variables.

1998-02-10 16:57  Ulrich Drepper  <drepper@happy.cygnus.com>

	* resolv/nss_dns/dns-host.c: Various code cleanups.
	
1998-02-09 08:10  H.J. Lu  <hjl@gnu.org>

	* resolv/gethnamaddr.c (getanswer): Fix the PTR/CNAME bug.
	From Philip Blundell <pb@nexus.co.uk>.
	* resolv/nss_dns/dns-host.c (getanswer_r): Ditto.

1998-02-08  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* libc.map: Add .rem, .div, .mul, .udiv, .umul, .urem for Sparc.
	Suggested by debian/sparc porters.

1998-02-07  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* misc/tst-efgcvt.c: Totally rewritten, added a lot of new tests
	for ecvt and fcvt.

1998-02-10 16:32  Ulrich Drepper  <drepper@happy.cygnus.com>

	* sysdeps/unix/sysv/linux/ptsname.c (__ptsname_r): Use __xstat and
	__fxstat instead of stat and fstat.  Use namespace clean __stpcpy.

	* signal/signal.h: Always define sigset_t if __need_sigset_t is
	defined even if __USE_POSIX is not defined.

1998-02-02 20:51  Zack Weinberg  <zack@rabi.phys.columbia.edu>

	* sysdeps/unix/sysv/linux/ptsname.c (__ptsname_r): Correct last patch
	to support obsolete tty major numbers correctly.
	
1998-02-02 08:47  H.J. Lu  <hjl@gnu.org>

	* login/Makefile ($(inst_libexecdir)/pt_chown): Make the target
	directory first and ignore install error.

	* sysdeps/unix/sysv/linux/ptsname.c (__ptsname_r): Substract
	128 from ptyno and fix a typo for the BSD style pty.

1998-02-01  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/Makefile ($(common-objpfx)s-proto.d): Depend on all
	syscalls.list's.

1998-02-01  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add
	getresuid and getresgid.

	* sysdeps/unix/sysv/linux/getresuid.c: New file.
	* sysdeps/unix/sysv/linux/getresgid.c: New file.

	* sysdeps/unix/sysv/linux/syscalls.list: Remove getres[ug]id, add
	s_getres[ug]id.

	* sysdeps/unix/sysv/linux/alpha/syscalls.list: Add getres[ug]id.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/mips/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/syscalls.list: Likewise.

1998-02-02 08:11  H.J. Lu  <hjl@gnu.org>

	* nscd/grpcache.c: Include <stdlib.h>.

1998-02-01 16:01  H.J. Lu  <hjl@gnu.org>

	* stdlib/atoll.c: Fix comments.

	* sysdeps/posix/ttyname.c: Ignore stdin/stdout/stderr.
	* sysdeps/posix/ttyname_r.c: Ditto.

1998-02-03  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* io/sys/stat.h: Define S_IFLNK and S_IFSOCK if __USE_BSD or
	__USE_MISC, independent of __USE_UNIX98.

1998-02-10 19:18  Ulrich Drepper  <drepper@happy.cygnus.com>

	* sysdeps/unix/sysv/linux/i386/sigaction.c (__libc_missing_rt_sigs):
	Rename from __libc_have_rt_sigs and leave as COMMON data.
	
1998-02-04 11:58  Richard Henderson  <rth@twiddle.rth.home>

	* Makeconfig (CFLAGS-.os): Kill -fno-common.
	* Makerules (libc.so): Prelink libc_pic.a, allocating commons.

	* libc.map (GLIBC_2.1): Add Linux/Alpha tv64 symbols.
	* elf/rtld.map: New file.  Needed to define the GLIBC_2.* 
	version symbols.
	* include/libc-symbols.h (symbol_version, default_symbol_version):
	Provide asm versions and correct !DO_VERSIONING versions.
	* sysdeps/unix/make-syscalls.sh: Recognize version symbols in
	the weak symbol list.
	
	* sysdeps/unix/sysv/linux/sigaction.c (__libc_missing_rt_sigs):
	Rename from __libc_have_rt_sigs and leave as COMMON data.
	* sysdeps/unix/sysv/linux/sigpending.c: Likewise.
	* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise.

1998-02-04 16:41  Zack Weinberg  <zack@rabi.phys.columbia.edu>

	* sunrpc/Makefile: Correct dependencies of rpcgen.

1998-02-10 03:00  Ulrich Drepper  <drepper@happy.cygnus.com>

	* nscd/Makefile: Fix test for available linuxthreads add-on.
	Patch by Zack Weinberg <zack@rabi.phys.columbia.edu>.

1998-02-05  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/unix/sysv/linux/syscalls.list: Fix typo in lchown.

1998-02-03  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/gnu/Makefile: Respect with-cvs variable.

	* manual/errno.texi (Error Messages): Correct description of
	strerror_r.  Pointed out by jonas@bagge.se.

1998-01-29  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* manual/socket.texi (Host Address Functions): Clarify description 
	of inet_network.

1998-02-07  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/grantpt.c (argv): Move const to toplevel.
	(grantpt): Delete superfluous cast.

1998-02-06  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makefile ($(inst_slibdir)/libc-$(version).so): Depend on
	elf/ldso_install instead of elf/subdir_install.
	(elf/ldso_install): New target.

	* elf/Makefile (ldso_install): New target.

1998-02-07  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/powerpc/socket.S: Really do the change
	of 1998-01-06.

1998-02-07  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* string/bits/string2.h (strcmp): Use __string2_1bptr_p only for
	constant expressions.

1998-02-07  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* nss/test-netdb.c: Include <unistd.h> for gethostname and "nss.h"
	for __nss_configure_lookup.
	(output_hostent): Remove unused variable.

1998-02-07  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* string/tst-inlcall.c: Fix format string.

1998-02-09  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* inet/netinet/in.h: Rename second parameter of bindresvport to
	avoid buggy gcc warning. [PR libc/412]

2 files changed, 147 insertions, 21 deletions

diff --git a/misc/efgcvt_r.c b/misc/efgcvt_r.c
index 2dd0c9f..f6bd988 100644
--- a/misc/efgcvt_r.c
+++ b/misc/efgcvt_r.c
@@ -23,6 +23,7 @@
 #include <ctype.h>
 #include <math.h>
 #include <stdlib.h>
+#include <sys/param.h>
 
 #ifndef FLOAT_TYPE
 #define FLOAT_TYPE double
@@ -60,19 +61,20 @@ APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign, buf, len)
       *sign = signbit (value) != 0;
       if (*sign)
 	value = -value;
+
+      if (ndigit < 0)
+	{
+	  /* Rounding to the left of the decimal point.  */
+	  for (i = ndigit; i < 0; i++)
+	    value *= 0.1;
+
+	  ndigit = 0;
+	}
     }
   else
     /* Value is Inf or NaN.  */
     *sign = 0;
 
-  if (ndigit <= 0)
-    {
-      if (len > 0)
-	buf[0] = '\0';
-      *decpt = 0;
-      return 0;
-    }
-
   n = snprintf (buf, len, "%.*" FLOAT_FMT_FLAG "f", ndigit, value);
   if (n < 0)
     return -1;
@@ -91,8 +93,21 @@ APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign, buf, len)
       do
 	++i;
       while (i < n && !isdigit (buf[i]));
-      memmove (&buf[*decpt], &buf[i], n - i);
-      buf[n - (i - *decpt)] = '\0';
+
+      if (*decpt == 1 && buf[0] == '0')
+	{
+	  /* We must not have leading zeroes.  Strip them all out and
+	     adjust *DECPT if necessary.  */
+	  --*decpt;
+	  while (i < n && buf[i] == '0')
+	    {
+	      --*decpt;
+	      ++i;
+	    }
+	}
+
+      memmove (&buf[MAX (*decpt, 0)], &buf[i], n - i);
+      buf[n - (i - MAX (*decpt, 0))] = '\0';
     }
 
   return 0;
@@ -136,7 +151,7 @@ APPEND (FUNC_PREFIX, ecvt_r) (value, ndigit, decpt, sign, buf, len)
 	      do
 		{
 		  d *= 10.0;
-		  exponent--;
+		  --exponent;
 		}
 	      while (d < 1.0);
 	    }
@@ -145,7 +160,7 @@ APPEND (FUNC_PREFIX, ecvt_r) (value, ndigit, decpt, sign, buf, len)
 	      do
 		{
 		  d *= 0.1;
-		  exponent++;
+		  ++exponent;
 		}
 	      while (d >= 10.0);
 	    }
@@ -155,9 +170,22 @@ APPEND (FUNC_PREFIX, ecvt_r) (value, ndigit, decpt, sign, buf, len)
 	    value = d;
 	}
     }
+  else if (value == 0.0)
+    /* SUSv2 leaves it unspecified whether *DECPT is 0 or 1 for 0.0.
+       This could be changed to -1 if we want to return 0.  */
+    exponent = 0;
+
+  if (ndigit <= 0 && len > 0)
+    {
+      buf[0] = '\0';
+      *decpt = 1;
+      *sign = isfinite (value) ? signbit (value) != 0 : 0;
+    }
+  else
+    if (APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit - 1, decpt, sign,
+				      buf, len))
+      return -1;
 
-  if (APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit - 1, decpt, sign, buf, len))
-    return -1;
   *decpt += exponent;
   return 0;
 }
diff --git a/misc/tst-efgcvt.c b/misc/tst-efgcvt.c
index 537f6da..65c588b 100644
--- a/misc/tst-efgcvt.c
+++ b/misc/tst-efgcvt.c
@@ -16,19 +16,117 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE	1
+#endif
+
+#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 
-int
-main (void)
+int error_count;
+
+typedef struct 
+{
+  double value;
+  int ndigit;
+  int decpt;
+  char result[30];
+} testcase;
+
+typedef char * ((*efcvt_func) (double, int, int *, int *));
+
+
+static testcase ecvt_tests[] =
+{
+  { 0.0, 0, 1, "" },
+  { 10.0, 0, 2, "" },
+  { 10.0, 1, 2, "1" },
+  { 10.0, 5, 2, "10000" },
+  { -12.0, 5, 2, "12000" },
+  { 0.2, 4, 0, "2000" },
+  { 0.02, 4, -1, "2000" },
+  { 5.5, 1, 1, "6" },
+  { 1.0, -1, 1, "" },
+  { 0.01, 2, -1, "10" },
+  /* -1.0 is end marker.  */
+  { -1.0, 0, 0, "" }
+};
+
+static testcase fcvt_tests[] =
+{
+  { 0.0, 0, 1, "0" },
+  { 10.0, 0, 2, "10" },
+  { 10.0, 1, 2, "100" },
+  { 10.0, 4, 2, "100000" },
+  { -12.0, 5, 2, "1200000" },
+  { 0.2, 4, 0, "2000" },
+  { 0.02, 4, -1, "200" },
+  { 5.5, 1, 1, "55" },
+  { 5.5, 0, 1, "6" },
+  { 0.01, 2, -1, "1" },
+  /* -1.0 is end marker.  */
+  { -1.0, 0, 0, "" }
+};
+
+void
+output_error (const char *name, double value, int ndigit,
+	      const char *exp_p, int exp_decpt, int exp_sign,
+	      char *res_p, int res_decpt, int res_sign)
+{
+  printf ("%s returned wrong result for value: %f, ndigits: %d\n",
+	  name, value, ndigit);
+  printf ("Result was p: \"%s\", decpt: %d, sign: %d\n",
+	  res_p, res_decpt, res_sign);
+  printf ("Should be  p: \"%s\", decpt: %d, sign: %d\n",
+	  exp_p, exp_decpt, exp_sign);
+  ++error_count;
+}
+
+void
+test (testcase tests[], efcvt_func efcvt, const char *name)
+{
+  int no = 0;
+  int decpt, sign;
+  char *p;
+
+  while (tests[no].value != -1.0)
+    {
+      p = efcvt (tests[no].value, tests[no].ndigit, &decpt, &sign);
+      if (decpt != tests[no].decpt
+	  || sign != (tests[no].value < 0)
+	  || strcmp (p, tests[no].result) != 0)
+	output_error (name, tests[no].value, tests[no].ndigit,
+		      tests[no].result, tests[no].decpt,
+		      (tests[no].value < 0),
+		      p, decpt, sign);
+      ++no;
+    }
+}
+
+void
+special (void)
 {
   int decpt, sign;
   char *p;
 
-  p = ecvt (0.0, 0, &decpt, &sign);
-  printf ("p: \"%s\", decpt: %d, sign: %d\n", p, decpt, sign);
-  if (p[0] != '\0')
-    return 1;
+  p = ecvt (NAN, 10, &decpt, &sign);
+  if (sign != 0 || strcmp (p, "nan") != 0)
+    output_error ("ecvt", NAN, 10, "nan", 0, 0, p, decpt, sign);
 
-  return 0;
+  p = ecvt (INFINITY, 10, &decpt, &sign);
+  if (sign != 0 || strcmp (p, "inf") != 0)
+    output_error ("ecvt", NAN, 10, "inf", 0, 0, p, decpt, sign);
+
+}
+
+  
+int
+main (void)
+{
+  test (ecvt_tests, ecvt, "ecvt");
+  test (fcvt_tests, fcvt, "fcvt");
+  special ();
+  
+  return error_count;
 }