glibc/sysdeps/generic/putenv.c
Roland McGrath 7176f4e4b5 * misc/efgcvt_r.c (ecvt_r): Handle negative values.
* 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.
1996-01-17 02:03:00 +00:00

70 lines
1.7 KiB
C

/* Copyright (C) 1991, 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
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. */
#if defined (_AIX) && !defined (__GNUC__)
#pragma alloca
#endif
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#if _LIBC || HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if _LIBC || HAVE_STRING_H
#include <string.h>
#endif
#if !__GNU_LIBRARY__ && !HAVE_STRCHR
#define strchr index
#endif
#ifndef _LIBC
#ifdef HAVE_ALLOCA_H
#include <alloca.h>
#else
#ifdef __GNUC__
#define alloca __builtin_alloca
#else
extern char *alloca ();
#endif /* __GNUC__ */
#endif /* HAVE_ALLOCA_H */
#endif /* _LIBC */
/* Put STRING, which is of the form "NAME=VALUE", in the environment. */
int
putenv (string)
const char *string;
{
const char *const name_end = strchr (string, '=');
if (name_end)
{
char *name = alloca (name_end - string + 1);
memcpy (name, string, name_end - string);
name[name_end - string] = '\0';
return setenv (name, name_end + 1, 1);
}
unsetenv (string);
return 0;
}