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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,
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reentrent versions.
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Copyright (C) 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include <math.h>
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#include <stdlib.h>
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int
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fcvt_r (value, ndigit, decpt, sign, buf, len)
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double value;
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int ndigit, *decpt, *sign;
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char *buf;
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size_t len;
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{
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int n, i;
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if (buf == NULL)
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{
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errno = EINVAL;
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return -1;
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}
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*sign = value < 0.0;
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if (*sign)
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value = - value;
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n = snprintf (buf, len, "%.*f", ndigit, value);
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if (n < 0)
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return -1;
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i = 0;
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while (i < n && isdigit (buf[i]))
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++i;
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*decpt = i;
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do
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++i;
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while (! isdigit (buf[i]));
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memmove (&buf[i - *decpt], buf, n - (i - *decpt));
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return 0;
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}
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int
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ecvt_r (value, ndigit, decpt, sign, buf, len)
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double value;
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int ndigit, *decpt, *sign;
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char *buf;
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size_t len;
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{
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ndigit -= (int) floor (log10 (value < 0.0 ? -value : value));
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if (ndigit < 0)
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ndigit = 0;
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return fcvt_r (value, ndigit, decpt, sign, buf, len);
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}
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