glibc/misc/efgcvt_r.c
Ulrich Drepper 1f205a479b Update.
1997-05-21 02:49  Ulrich Drepper  <drepper@cygnus.com>

	* gnu-versions.h (_GNU_OBSTACK_INTERFACE_VERSION): Set to 2 since
	interface was changed with addition of _obstack_memory_used.
	Suggested by Ian Taylor <ian@cygnus.com>.

	* malloc/obstack.c: Include <config.h>.  Include <stdlib.h> only
	if __GNU_LIBRARY__ or HAVE_STDLIB_H is defined.
	Reported by Ian Taylor <ian@cygnus.com>.

	* dirent/Makefile (routines): Add versionsort.
	* dirent/dirent.h: Add prototype for versionsort.
	* dirent/versionsort.c: New file.
	* manual/filesys.texi: Add documentation for versionsort.
	* manual/string.texi: Add documentation for strverscmp.
	* string/Makefile (routines): Add strverscmp.
	(tests): Add tst-svc.
	* string/string.h: Add prototype for strverscmp.
	* string/strverscmp.c: New file.
	* string/tst-svc.c: New file.  Test for strverscmp.
	* string/tst-svc.input: New file.  Input data for tst-svc.
	* string/tst-svc.expect: New file.  Expected out from tst-svc.

	* math/Makefile (calls): Add s_signbit.

	* po/sv.po: Update.

	* resolv/nss_dns/dns-host.c: Add casts to prevent warnings.
	* sunrpc/pmap_rmt.c: Likewise.

	* string/basename.c: Don't use ISO C definition style.
	Include <config.h> is HAVE_CONFIG_H is defined.

	* sunrpc/proto.h: Add `const' wherever possible.
	* sunrpc/rpc_cout.c: Likewise.
	* sunrpc/rpc_svcout.c: Likewise.
	* sunrpc/xdr_mem.c: Likewise.
	* sunrpc/xdr_rec.c: Likewise.
	* sunrpc/xdr_stdio.c: Likewise.
	* sunrpc/rpc_parse.c: Delete comma from end of enum definition.
	* sunrpc/xdr.c: Little code cleanups.
	* sunrpc/xdr_flaot.c: Likewise.
	Patches by Matthew Wilcox <matthew.wilcox@chbs.mhs.ciba.com>.

	* sysdeps/i386/fpu/__math.h (__finite): Fix typo.

	* sysdeps/unix/sysv/linux/shmdt.c: Add cast to prevent warning.

	* time/europe: Update from tzdata1997f.
	* time/zic.c: Update from tzcode1997e.

1997-05-20 19:20  Miguel de Icaza <miguel@athena.nuclecu.unam.mx>

	* sysdeps/sparc/setjmp.S: Flush windows.
	Bug found by Richard Henderson.

1997-05-19 12:54  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* misc/efgcvt_r.c (fcvt_r, ecvt_r): Rewritten as to fit the specs.

1997-05-19 18:41  Thorsten Kukuk  <kukuk@uni-paderborn.de>

	* nis/nss_nisplus/nisplus-spwd.c (_nss_nisplus_parse_spent): Use
	atol instead of atoi.

1997-05-18 00:22  Philip Blundell <pjb27@cam.ac.uk>

	* inet/Makefile (routines): Add if_index.
	* sysdeps/unix/sysv/linux/if_index.c: New file.
	* sysdeps/stub/if_index.c: New file.
	* sysdeps/unix/sysv/linux/net/if.h: Add prototypes for routines in
	if_index.c (required by IPv6 basic API).
	* sysdeps/unix/sysv/linux/netinet/in.h: Add struct ipv6_pktinfo.

1997-05-17 23:29  Philip Blundell  <pjb27@cam.ac.uk>

	* sysdeps/unix/sysv/linux/netinet/in.h: Update IPv6 definitions
	for new advanced API draft.

1997-05-13 21:33  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* stdio-common/printf_fp.c: Only use the field width for deciding
	on padding when printing special values.
	* stdio-common/printf_fphex.c: Likewise.

1997-05-15 13:14  Miles Bader  <miles@gnu.ai.mit.edu>

	Changes by Thomas Bushnell <thomas@gnu.ai.mit.edu>:
	* hurd/hurdauth.c (_S_msg_add_auth): Implement correctly.

1997-05-12 14:50  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>

	* hurd/hurdsig.c (_hurdsig_init): Double size of sigthread stack;
	msg_add_auth was overflowing it.

1997-05-12 21:20  Richard Henderson  <rth@tamu.edu>

	* elf/dl-lookup.c (_dl_lookup_symbol_skip): Call _dl_signal_error
	when we can't find the symbol.

1997-05-12 16:54  Ulrich Drepper  <drepper@cygnus.com>

	* posix/regex.c: Fix handling of 32-bit Windog environments.
	Patch by Arnold Robbins <arnold@skeeve.atl.ga.us>.

1997-05-10 23:26  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/m68k/syscalls.list: Add cacheflush.

1997-05-10 11:40  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/ldd.bash.in: Remove spurious quote character from version
	message.

1997-05-10 08:49  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* locale/programs/locale.c (write_charmaps): Don't get stuck in a
	loop if the file ends in a long line without newline.
	* locale/programs/charmap.c (charmap_read): Likewise.

1997-05-12 03:47  Ulrich Drepper  <drepper@cygnus.com>

	* sunrpc/rpc/xdr.h: Include more headers to be self-contained.
	* sunrpc/rpc/svc_auth.h: Likewise.
	* sunrpc/rpc/svc.h: Likewise.
	* sunrpc/rpc/rpc_msg.h: Likewise.
	* sunrpc/rpc/pmap_rmt.h: Likewise.
	* sunrpc/rpc/pmap_clnt.h: Likewise.
	* sunrpc/rpc/clnt.h: Likewise.
	* sunrpc/rpc/auth_unix.h: Likewise.
	* sysdeps/generic/rpc/auth.h: Likewise.
	Patches by Michael Deutschmann <ldeutsch@mail.netshop.net>.

1997-05-11 15:29  Philip Blundell  <pjb27@cam.ac.uk>

	* sysdeps/stub/sigaction.c (__sigaction): Correct typo.
	* sysdeps/standalone/arm/errnos.h: New file.
	* sysdeps/stub/sys/param.h: Add dummy definition of MAXSYMLINKS.
	* sysdeps/unix/arm/fork.S: New file.
	* sysdeps/unix/sysv/linux/arm/sysdep.h: New file.
	* sysdeps/stub/tempname.c (__stdio_gen_tempname): Add missing
	`streamptr' argument.
	* sysdeps/stub/vdprintf.c: Remove second copy of file (!), include
	<stdarg.h> to get va_list defined, return 0 not NULL.
	* sysdeps/unix/sysv/linux/statfsbuf.h: Include <gnu/types.h>.
	* sysdeps/unix/sysv/linux/arm/syscall.S: New file.
	* sysdeps/stub/direntry.h (struct dirent): Add missing ';'.
	* sysdeps/stub/seekdir.c (seekdir): Likewise.
	* sysdeps/stub/dirfd.c (dirfd): Argument dirp is DIR*, not FILE*.
	* sysdeps/standalone/dirstream.h: Define struct __dirstream
	not DIR; <dirent.h> provides typedef.
	* sysdeps/unix/sysv/linux/arm/clone.S: New file.
	* sysdeps/unix/sysv/linux/arm/socket.S: New file.
	* sysdeps/stub/sysconf.c (__sysconf): Fix typos.

1997-05-01 06:35  Geoff Keating  <geoffk@ozemail.com.au>

	* sysdeps/powerpc/Dist: New file.
	* sysdeps/powerpc/Makefile: New file.
	* sysdeps/powerpc/fclrexcpt.c: New file.
	* sysdeps/powerpc/fegetenv.c: New file.
	* sysdeps/powerpc/fegetround.c: New file.
	* sysdeps/powerpc/feholdexcpt.c: New file.
	* sysdeps/powerpc/fenvbits.h: New file.
	* sysdeps/powerpc/fenv_const.c: New file.
	* sysdeps/powerpc/fenv_libc.h: New file.
	* sysdeps/powerpc/fesetenv.c: New file.
	* sysdeps/powerpc/fesetround.c: New file.
	* sysdeps/powerpc/feupdateenv.c: New file.
	* sysdeps/powerpc/fgetexcptflg.c: New file.
	* sysdeps/powerpc/fraiseexcpt.c: New file.
	* sysdeps/powerpc/fsetexcptflg.c: New file.
	* sysdeps/powerpc/ftestexcept.c: New file.
	* sysdeps/powerpc/mathbits.h: New file.

	* sysdeps/powerpc/dl-machine.h: Wrap in #ifndef dl_machine_h;
	define elf_machine_lookup_noexec_p, elf_machine_lookup_noplt_p,
	ELF_MACHINE_RELOC_NOPLT; consequent changes to elf_machine_rela.

	* sysdeps/powerpc/__math.h: Remove definition for hypot and __sgn.

	* sysdep/powerpc/fpu_control.h: Correct IEEE default mode.

	* sysdeps/unix/sysv/linux/powerpc/sysdep.h: Don't use .text, but
	instead .section ".text".

1997-04-25 05:06  Geoff Keating  <geoffk@ozemail.com.au>

	* sysdeps/powerpc/__longjmp.S: Use symbolic register numbering.
	* sysdeps/powerpc/bsd-_setjmp.S: Likewise.
	* sysdeps/powerpc/bsd-setjmp.S: Likewise.
	* sysdeps/powerpc/setjmp.S: Likewise.

	* sysdeps/unix/sysv/linux/clone.S: Likewise.
	* sysdeps/unix/sysv/linux/socket.S: Likewise.
	* sysdeps/unix/sysv/linux/syscall.S: Likewise.

1997-04-20 04:37  Geoff Keating  <geoffk@ozemail.com.au>

	* sysdeps/powerpc/strchr.s: New file.
	* sysdeps/powerpc/strcmp.s: New (ugly) file.
	* sysdeps/powerpc/memset.s: New file.
	* string/tester.c: Include prototype and _GNU_SOURCE to make
	standalone compilation possible. Give strcmp a better
	test. Give memset a better test.

1997-04-05 06:34  Geoff Keating  <geoffk@ozemail.com.au>

	* sysdeps/powerpc/strlen.s: Fixed bugs (how did it ever pass its
	tests before?). Changed to symbolic register numbering as an
	experiment.
	* sysdeps/powerpc/ffs.c: Don't include bstring.h, it doesn't
	exist.
	* sysdeps/rs6000/ffs.c: Likewise.

1997-05-12 02:28  Ulrich Drepper  <drepper@cygnus.com>

	* time/sys/time.h: Make second argument of setitimer const.
	Patch by Michael Deutschmann <ldeutsch@mail.netshop.net>.
	* sysdeps/stub/setitimer.c: Likewise.
	* sysdeps/mach/hurd/setitimer.c: Likewise.
1997-05-21 01:48:59 +00:00

156 lines
3.4 KiB
C

/* Compatibility functions for floating point formatting, reentrant versions.
Copyright (C) 1995, 1996, 1997 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#include <stdlib.h>
#ifndef FLOAT_TYPE
#define FLOAT_TYPE double
#define FUNC_PREFIX
#define FLOAT_FMT_FLAG
#define FLOAT_NAME_EXT
#endif
#define APPEND(a, b) APPEND2 (a, b)
#define APPEND2(a, b) a##b
#define FLOOR APPEND(floor, FLOAT_NAME_EXT)
#define FABS APPEND(fabs, FLOAT_NAME_EXT)
#define LOG10 APPEND(log10, FLOAT_NAME_EXT)
#define EXP APPEND(exp, FLOAT_NAME_EXT)
int
APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign, buf, len)
FLOAT_TYPE value;
int ndigit, *decpt, *sign;
char *buf;
size_t len;
{
int n, i;
if (buf == NULL)
{
__set_errno (EINVAL);
return -1;
}
if (isfinite (value))
{
*sign = signbit (value) != 0;
if (*sign)
value = -value;
}
n = snprintf (buf, len, "%.*" FLOAT_FMT_FLAG "f", ndigit, value);
if (n < 0)
return -1;
i = 0;
while (i < n && isdigit (buf[i]))
++i;
*decpt = i;
if (i == 0)
{
/* Value is Inf or NaN. */
*sign = 0;
return 0;
}
if (i < n)
{
do
++i;
while (i < n && !isdigit (buf[i]));
memmove (&buf[*decpt], &buf[i], n - i);
buf[n - (i - *decpt)] = 0;
}
return 0;
}
#define weak_extern2(name) weak_extern (name)
weak_extern2 (FLOOR) weak_extern2 (LOG10) weak_extern2 (FABS)
weak_extern2 (EXP)
int
APPEND (FUNC_PREFIX, ecvt_r) (value, ndigit, decpt, sign, buf, len)
FLOAT_TYPE value;
int ndigit, *decpt, *sign;
char *buf;
size_t len;
{
int exponent = 0;
if (isfinite (value) && value != 0.0)
{
FLOAT_TYPE (*log10_function) (FLOAT_TYPE) = &LOG10;
if (log10_function)
{
/* Use the reasonable code if -lm is included. */
FLOAT_TYPE dexponent;
dexponent = FLOOR (LOG10 (FABS (value)));
value *= EXP (dexponent * -M_LN10);
exponent = (int) dexponent;
}
else
{
/* Slow code that doesn't require -lm functions. */
FLOAT_TYPE d;
if (value < 0.0)
d = -value;
else
d = value;
if (d < 1.0)
{
do
{
d *= 10.0;
exponent--;
}
while (d < 1.0);
}
else if (d >= 10.0)
{
do
{
d *= 0.1;
exponent++;
}
while (d >= 10.0);
}
if (value < 0.0)
value = -d;
else
value = d;
}
}
if (APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit - 1, decpt, sign, buf, len))
return -1;
*decpt += exponent;
return 0;
}