* config.h.in [HAVE_ELF || HAVE_GNU_LD]: Define HAVE_WEAK_SYMBOLS.
* stdlib/strtod.c (PASTE, PASTE1): New helper macros; use these in
access to float.h macros.
* misc/efgcvt.c: New file.
* misc/Makefile (routines): Add efgcvt.
+Mon Feb 20 04:04:57 1995 Roland McGrath <roland@duality.gnu.ai.mit.edu>
+
+ * config.h.in [HAVE_ELF || HAVE_GNU_LD]: Define HAVE_WEAK_SYMBOLS.
+
+ * stdlib/strtod.c (PASTE, PASTE1): New helper macros; use these in
+ access to float.h macros.
+
+ * misc/efgcvt.c: New file.
+ * misc/Makefile (routines): Add efgcvt.
+
Sun Feb 19 20:10:43 1995 Brendan Kehoe <brendan@zen.org>
* sysdeps/sparc/mul.S: Renamed to `dotmul.S'.
/* Define if using the GNU assembler, gas. */
#undef HAVE_GNU_AS
+
+/* ELF has weak symbols, and with GNU ld a.out does too. */
+#ifndef HAVE_WEAK_SYMBOLS
+#if defined (HAVE_ELF) || defined (HAVE_GNU_LD)
+#define HAVE_WEAK_SYMBOLS
+#endif
+#endif
\f
/* These symbols might be defined by some sysdeps configures. */
--- /dev/null
+/* [efg]cvt -- compatibility functions for floating point formatting
+Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+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., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <math.h>
+
+char *
+fcvt (value, ndigit, decpt, sign)
+ double value;
+ int ndigit, *decpt, *sign;
+{
+ static char buf[100];
+ int n, i;
+
+ *sign = value < 0.0;
+ if (*sign)
+ value = - value;
+
+ n = snprintf (buf, sizeof buf, "%.*f", ndigit, value);
+ if (n < 0)
+ return NULL;
+
+ i = 0;
+ while (i < n && isdigit (buf[i]))
+ ++i;
+ *decpt = i;
+ do
+ ++i;
+ while (! isdigit (buf[i]));
+ memmove (&buf[i - *decpt], buf, n - (i - *decpt));
+
+ return buf;
+}
+
+char *
+ecvt (value, ndigit, decpt, sign)
+ double value;
+ int ndigit, *decpt, *sign;
+{
+ ndigit -= (int) floor (log10 (value));
+ if (ndigit < 0)
+ ndigit = 0;
+ return fcvt (value, ndigit, decpt, sign);
+}
+
+char *
+gcvt (value, ndigit, buf)
+ double value;
+ int ndigit;
+ char *buf;
+{
+ sprintf (buf, "%.*g", ndigit, value);
+ return buf;
+}
/* Constants we need from float.h; select the set for the FLOAT precision. */
-#define MANT_DIG FLT##_MANT_DIG
-#define MAX_EXP FLT##_MAX_EXP
-#define MIN_EXP FLT##_MIN_EXP
-#define MAX_10_EXP FLT##_MAX_10_EXP
-#define MIN_10_EXP FLT##_MIN_10_EXP
-#define MAX_10_EXP_LOG FLT##_MAX_10_EXP_LOG
-
+#define MANT_DIG PASTE(FLT,_MANT_DIG)
+#define MAX_EXP PASTE(FLT,_MAX_EXP)
+#define MIN_EXP PASTE(FLT,_MIN_EXP)
+#define MAX_10_EXP PASTE(FLT,_MAX_10_EXP)
+#define MIN_10_EXP PASTE(FLT,_MIN_10_EXP)
+#define MAX_10_EXP_LOG PASTE(FLT,_MAX_10_EXP_LOG)
+
+/* Extra macros required to get FLT expanded before the pasting. */
+#define PASTE(a,b) PASTE1(a,b)
+#define PASTE1(a,b) a##b
/* Function to construct a floating point number from an MP integer
containing the fraction bits, a base 2 exponent, and a sign flag. */
# Make it unwritable so noone will edit it by mistake.
-chmod a-w $(hurd)/errnos.h-tmp
./$(..)move-if-change $(hurd)/errnos.h-tmp $(hurd)/errnos.h
- test -d CVS && cvs commit -m'Regenerated from $^' $@
+ test -d CVS && \
+ (cd $(hurd); cvs commit -m'Regenerated from $^' errnos.h)
touch $@
$(hurd)/errlist.c: $(hurd)/errlist.awk $(errno.texinfo)
-# Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+# Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# @comment errno.h
# @comment POSIX.1: Function not implemented
# @deftypevr Macro int ENOSYS
+# @comment errno 123
BEGIN {
printf "/* This file generated by";