mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-25 04:01:10 +00:00
1d8dc4293f
* sysdeps/posix/getcwd.c [__GNU_LIBRARY__]: Include unistd.h. * io/fts.h (FTSENT): Define fts_compar member with prototype. * hurd/hurd.h: Use prototype in getcttyid decl. * stdlib/l64a.c: Fix typo in last change. * stdlib/drand48-iter.c: Test limits.h macros instead of sizeof for determining size of types. * stdlib/srand48_r.c: Likewise. * misc/utmp.h: Declare login, logout, logwtmp. * misc/logout.c: Declare argument as pointer to const. * misc/login.c: Likewise. * misc/logwtmp.c: Likewise. Include time.h, string.h. * misc/efgcvt_r.c: Include stdlib.h. * io/mknod.c: Include sys/types.h. * gmon/sys/gmon.h: Declare monstartup, _mcleanup. * csu/gmon-start.c (_start, etext): Declare with prototypes. * stdio-common/vfscanf.c (%[): Fix range handling.
75 lines
1.8 KiB
C
75 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>
|
|
#include <stdlib.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);
|
|
}
|