mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 02:33:36 +08:00
7176f4e4b5
* stdlib/stdlib.h: Replace __CONSTVALUE by attribute. * stdlib/abs.c, stdlib/div.c, stdlib/labs.c, stdlib/ldiv.c, sysdeps/generic/hypot.c: Remove obsolete __CONSTVALUE. * stdio-common/printf_fp.c (__printf_fp): Fix parameter declaration. * sysdeps/generic/putenv.c (putenv): Fix second argument of setenv. * sysdeps/ieee754/hypot.c: New file, extracted out of cabs.c. * sysdeps/ieee754/cabs.c: Don't define hypot here. * sysdeps/ieee754/ieee754.h (union ieee854_long_double): Fix definition of ieee_nan alternative. * sysdeps/m68k/__longjmp.c, sysdeps/m68k/setjmp.c: Add register prefix spec. * sysdeps/m68k/ffs.c (ffs): Fix register constraint. * sysdeps/m68k/fpu/__math.h: Include <errno.h>. Replace obsolete __CONSTVALUE by attribute. (floor): Round to negative infinity. (rint, expm1) [__NO_MATH_INLINES]: Don't define, to avoid type clash when compiling source. (pow): Handle x == 0 and x < 0. (ceil, __isinf, __isnan): Fix register constraints. (__isinfl, __isnanl): Added. * sysdeps/m68k/fpu/acos.c, sysdeps/m68k/fpu/atan2.c, sysdeps/m68k/fpu/fmod.c, sysdeps/m68k/fpu/ldexp.c, sysdeps/m68k/fpu/pow.c: Remove obsolete __CONSTVALUE. * sysdeps/m68k/bsd-_setjmp.S, sysdeps/m68k/bsd-setjmp.S: Fix assembler syntax. * sysdeps/unix/bsd/bsd4.4/fchdir.S (fchdir): Take only one argument. * sysdeps/unix/bsd/clock.c (timeval_to_clock_t): Fix timeval to clock_t conversion. (clock): Don't multiply by CLOCKS_PER_SEC. * sysdeps/unix/bsd/poll.c (poll): Fix msec to timeval conversion. * sysdeps/unix/bsd/sun/m68k/brk.S (brk): Compare with address of __end. * sysdeps/unix/bsd/sun/m68k/vfork.S: Fix assembler syntax. * sysdeps/unix/bsd/ualarm.c (ualarm): Fix timeval calculation. * sysdeps/unix/bsd/vax/vfork.S: Remove duplicate label.
74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
/* [efg]cvt -- compatibility functions for floating point formatting,
|
|
reentrent versions.
|
|
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., 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>
|
|
|
|
int
|
|
fcvt_r (value, ndigit, decpt, sign, buf, len)
|
|
double value;
|
|
int ndigit, *decpt, *sign;
|
|
char *buf;
|
|
size_t len;
|
|
{
|
|
int n, i;
|
|
|
|
if (buf == NULL)
|
|
{
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
*sign = value < 0.0;
|
|
if (*sign)
|
|
value = - value;
|
|
|
|
n = snprintf (buf, len, "%.*f", ndigit, value);
|
|
if (n < 0)
|
|
return -1;
|
|
|
|
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 0;
|
|
}
|
|
|
|
int
|
|
ecvt_r (value, ndigit, decpt, sign, buf, len)
|
|
double value;
|
|
int ndigit, *decpt, *sign;
|
|
char *buf;
|
|
size_t len;
|
|
{
|
|
ndigit -= (int) floor (log10 (value < 0.0 ? -value : value));
|
|
if (ndigit < 0)
|
|
ndigit = 0;
|
|
return fcvt_r (value, ndigit, decpt, sign, buf, len);
|
|
}
|