-/* Copyright (C) 1991-2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
+ Copyright The GNU Toolchain Authors.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
/*
* ISO C99 Standard: 7.20 General utilities <stdlib.h>
#ifndef _STDLIB_H
-#include <features.h>
+#define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION
+#include <bits/libc-header-start.h>
/* Get size_t, wchar_t and NULL from <stddef.h>. */
-#define __need_size_t
-#ifndef __need_malloc_and_calloc
-# define __need_wchar_t
-# define __need_NULL
-#endif
+#define __need_size_t
+#define __need_wchar_t
+#define __need_NULL
#include <stddef.h>
__BEGIN_DECLS
-#ifndef __need_malloc_and_calloc
#define _STDLIB_H 1
-#if defined __USE_XOPEN && !defined _SYS_WAIT_H
+#if (defined __USE_XOPEN || defined __USE_XOPEN2K8) && !defined _SYS_WAIT_H
/* XPG requires a few symbols from <sys/wait.h> being defined. */
# include <bits/waitflags.h>
# include <bits/waitstatus.h>
-# ifdef __USE_BSD
-
-/* Lots of hair to allow traditional BSD use of `union wait'
- as well as POSIX.1 use of `int' for the status word. */
-
-# if defined __GNUC__ && !defined __cplusplus
-# define __WAIT_INT(status) \
- (__extension__ (((union { __typeof(status) __in; int __i; }) \
- { .__in = (status) }).__i))
-# else
-# define __WAIT_INT(status) (*(int *) &(status))
-# endif
-
-/* This is the type of the argument to `wait'. The funky union
- causes redeclarations with ether `int *' or `union wait *' to be
- allowed without complaint. __WAIT_STATUS_DEFN is the type used in
- the actual function definitions. */
-
-# if !defined __GNUC__ || __GNUC__ < 2 || defined __cplusplus
-# define __WAIT_STATUS void *
-# define __WAIT_STATUS_DEFN void *
-# else
-/* This works in GCC 2.6.1 and later. */
-typedef union
- {
- union wait *__uptr;
- int *__iptr;
- } __WAIT_STATUS __attribute__ ((__transparent_union__));
-# define __WAIT_STATUS_DEFN int *
-# endif
-
-# else /* Don't use BSD. */
-
-# define __WAIT_INT(status) (status)
-# define __WAIT_STATUS int *
-# define __WAIT_STATUS_DEFN int *
-
-# endif /* Use BSD. */
-
/* Define the macros <sys/wait.h> also would define this way. */
-# define WEXITSTATUS(status) __WEXITSTATUS(__WAIT_INT(status))
-# define WTERMSIG(status) __WTERMSIG(__WAIT_INT(status))
-# define WSTOPSIG(status) __WSTOPSIG(__WAIT_INT(status))
-# define WIFEXITED(status) __WIFEXITED(__WAIT_INT(status))
-# define WIFSIGNALED(status) __WIFSIGNALED(__WAIT_INT(status))
-# define WIFSTOPPED(status) __WIFSTOPPED(__WAIT_INT(status))
+# define WEXITSTATUS(status) __WEXITSTATUS (status)
+# define WTERMSIG(status) __WTERMSIG (status)
+# define WSTOPSIG(status) __WSTOPSIG (status)
+# define WIFEXITED(status) __WIFEXITED (status)
+# define WIFSIGNALED(status) __WIFSIGNALED (status)
+# define WIFSTOPPED(status) __WIFSTOPPED (status)
# ifdef __WIFCONTINUED
-# define WIFCONTINUED(status) __WIFCONTINUED(__WAIT_INT(status))
+# define WIFCONTINUED(status) __WIFCONTINUED (status)
# endif
-#endif /* X/Open and <sys/wait.h> not included. */
+#endif /* X/Open or XPG7 and <sys/wait.h> not included. */
+
+/* _FloatN API tests for enablement. */
+#include <bits/floatn.h>
-__BEGIN_NAMESPACE_STD
/* Returned by `div'. */
typedef struct
{
} ldiv_t;
# define __ldiv_t_defined 1
#endif
-__END_NAMESPACE_STD
#if defined __USE_ISOC99 && !defined __lldiv_t_defined
-__BEGIN_NAMESPACE_C99
/* Returned by `lldiv'. */
__extension__ typedef struct
{
long long int rem; /* Remainder. */
} lldiv_t;
# define __lldiv_t_defined 1
-__END_NAMESPACE_C99
#endif
extern size_t __ctype_get_mb_cur_max (void) __THROW __wur;
-__BEGIN_NAMESPACE_STD
/* Convert a string to a floating-point number. */
-extern double atof (__const char *__nptr)
+extern double atof (const char *__nptr)
__THROW __attribute_pure__ __nonnull ((1)) __wur;
/* Convert a string to an integer. */
-extern int atoi (__const char *__nptr)
+extern int atoi (const char *__nptr)
__THROW __attribute_pure__ __nonnull ((1)) __wur;
/* Convert a string to a long integer. */
-extern long int atol (__const char *__nptr)
+extern long int atol (const char *__nptr)
__THROW __attribute_pure__ __nonnull ((1)) __wur;
-__END_NAMESPACE_STD
-#if defined __USE_ISOC99 || (defined __GLIBC_HAVE_LONG_LONG && defined __USE_MISC)
-__BEGIN_NAMESPACE_C99
+#ifdef __USE_ISOC99
/* Convert a string to a long long integer. */
-__extension__ extern long long int atoll (__const char *__nptr)
+__extension__ extern long long int atoll (const char *__nptr)
__THROW __attribute_pure__ __nonnull ((1)) __wur;
-__END_NAMESPACE_C99
#endif
-__BEGIN_NAMESPACE_STD
/* Convert a string to a floating-point number. */
-extern double strtod (__const char *__restrict __nptr,
+extern double strtod (const char *__restrict __nptr,
char **__restrict __endptr)
- __THROW __nonnull ((1)) __wur;
-__END_NAMESPACE_STD
+ __THROW __nonnull ((1));
#ifdef __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Likewise for `float' and `long double' sizes of floating-point numbers. */
-extern float strtof (__const char *__restrict __nptr,
- char **__restrict __endptr) __THROW __nonnull ((1)) __wur;
+extern float strtof (const char *__restrict __nptr,
+ char **__restrict __endptr) __THROW __nonnull ((1));
-extern long double strtold (__const char *__restrict __nptr,
+extern long double strtold (const char *__restrict __nptr,
char **__restrict __endptr)
- __THROW __nonnull ((1)) __wur;
-__END_NAMESPACE_C99
+ __THROW __nonnull ((1));
+#endif
+
+/* Likewise for '_FloatN' and '_FloatNx'. */
+
+#if __HAVE_FLOAT16 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float16 strtof16 (const char *__restrict __nptr,
+ char **__restrict __endptr)
+ __THROW __nonnull ((1));
+#endif
+
+#if __HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float32 strtof32 (const char *__restrict __nptr,
+ char **__restrict __endptr)
+ __THROW __nonnull ((1));
+#endif
+
+#if __HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float64 strtof64 (const char *__restrict __nptr,
+ char **__restrict __endptr)
+ __THROW __nonnull ((1));
+#endif
+
+#if __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float128 strtof128 (const char *__restrict __nptr,
+ char **__restrict __endptr)
+ __THROW __nonnull ((1));
+#endif
+
+#if __HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float32x strtof32x (const char *__restrict __nptr,
+ char **__restrict __endptr)
+ __THROW __nonnull ((1));
+#endif
+
+#if __HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float64x strtof64x (const char *__restrict __nptr,
+ char **__restrict __endptr)
+ __THROW __nonnull ((1));
+#endif
+
+#if __HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float128x strtof128x (const char *__restrict __nptr,
+ char **__restrict __endptr)
+ __THROW __nonnull ((1));
#endif
-__BEGIN_NAMESPACE_STD
/* Convert a string to a long integer. */
-extern long int strtol (__const char *__restrict __nptr,
+extern long int strtol (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
- __THROW __nonnull ((1)) __wur;
+ __THROW __nonnull ((1));
/* Convert a string to an unsigned long integer. */
-extern unsigned long int strtoul (__const char *__restrict __nptr,
+extern unsigned long int strtoul (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
- __THROW __nonnull ((1)) __wur;
-__END_NAMESPACE_STD
+ __THROW __nonnull ((1));
-#if defined __GLIBC_HAVE_LONG_LONG && defined __USE_BSD
+#ifdef __USE_MISC
/* Convert a string to a quadword integer. */
__extension__
-extern long long int strtoq (__const char *__restrict __nptr,
+extern long long int strtoq (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
- __THROW __nonnull ((1)) __wur;
+ __THROW __nonnull ((1));
/* Convert a string to an unsigned quadword integer. */
__extension__
-extern unsigned long long int strtouq (__const char *__restrict __nptr,
+extern unsigned long long int strtouq (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
- __THROW __nonnull ((1)) __wur;
-#endif /* GCC and use BSD. */
+ __THROW __nonnull ((1));
+#endif /* Use misc. */
-#if defined __USE_ISOC99 || (defined __GLIBC_HAVE_LONG_LONG && defined __USE_MISC)
-__BEGIN_NAMESPACE_C99
+#ifdef __USE_ISOC99
/* Convert a string to a quadword integer. */
__extension__
-extern long long int strtoll (__const char *__restrict __nptr,
+extern long long int strtoll (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
- __THROW __nonnull ((1)) __wur;
+ __THROW __nonnull ((1));
/* Convert a string to an unsigned quadword integer. */
__extension__
-extern unsigned long long int strtoull (__const char *__restrict __nptr,
+extern unsigned long long int strtoull (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
- __THROW __nonnull ((1)) __wur;
-__END_NAMESPACE_C99
-#endif /* ISO C99 or GCC and use MISC. */
+ __THROW __nonnull ((1));
+#endif /* ISO C99 or use MISC. */
+
+/* Versions of the above functions that handle '0b' and '0B' prefixes
+ in base 0 or 2. */
+#if __GLIBC_USE (C2X_STRTOL)
+# ifdef __REDIRECT
+extern long int __REDIRECT_NTH (strtol, (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base), __isoc23_strtol)
+ __nonnull ((1));
+extern unsigned long int __REDIRECT_NTH (strtoul,
+ (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base), __isoc23_strtoul)
+ __nonnull ((1));
+# ifdef __USE_MISC
+__extension__
+extern long long int __REDIRECT_NTH (strtoq, (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base), __isoc23_strtoll)
+ __nonnull ((1));
+__extension__
+extern unsigned long long int __REDIRECT_NTH (strtouq,
+ (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base), __isoc23_strtoull)
+ __nonnull ((1));
+# endif
+__extension__
+extern long long int __REDIRECT_NTH (strtoll, (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base), __isoc23_strtoll)
+ __nonnull ((1));
+__extension__
+extern unsigned long long int __REDIRECT_NTH (strtoull,
+ (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base), __isoc23_strtoull)
+ __nonnull ((1));
+# else
+extern long int __isoc23_strtol (const char *__restrict __nptr,
+ char **__restrict __endptr, int __base)
+ __THROW __nonnull ((1));
+extern unsigned long int __isoc23_strtoul (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base)
+ __THROW __nonnull ((1));
+__extension__
+extern long long int __isoc23_strtoll (const char *__restrict __nptr,
+ char **__restrict __endptr, int __base)
+ __THROW __nonnull ((1));
+__extension__
+extern unsigned long long int __isoc23_strtoull (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base)
+ __THROW __nonnull ((1));
+# define strtol __isoc23_strtol
+# define strtoul __isoc23_strtoul
+# ifdef __USE_MISC
+# define strtoq __isoc23_strtoll
+# define strtouq __isoc23_strtoull
+# endif
+# define strtoll __isoc23_strtoll
+# define strtoull __isoc23_strtoull
+# endif
+#endif
+
+/* Convert a floating-point number to a string. */
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
+extern int strfromd (char *__dest, size_t __size, const char *__format,
+ double __f)
+ __THROW __nonnull ((3));
+
+extern int strfromf (char *__dest, size_t __size, const char *__format,
+ float __f)
+ __THROW __nonnull ((3));
+
+extern int strfroml (char *__dest, size_t __size, const char *__format,
+ long double __f)
+ __THROW __nonnull ((3));
+#endif
+
+#if __HAVE_FLOAT16 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern int strfromf16 (char *__dest, size_t __size, const char * __format,
+ _Float16 __f)
+ __THROW __nonnull ((3));
+#endif
+
+#if __HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern int strfromf32 (char *__dest, size_t __size, const char * __format,
+ _Float32 __f)
+ __THROW __nonnull ((3));
+#endif
+
+#if __HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern int strfromf64 (char *__dest, size_t __size, const char * __format,
+ _Float64 __f)
+ __THROW __nonnull ((3));
+#endif
+
+#if __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern int strfromf128 (char *__dest, size_t __size, const char * __format,
+ _Float128 __f)
+ __THROW __nonnull ((3));
+#endif
+
+#if __HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern int strfromf32x (char *__dest, size_t __size, const char * __format,
+ _Float32x __f)
+ __THROW __nonnull ((3));
+#endif
+
+#if __HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern int strfromf64x (char *__dest, size_t __size, const char * __format,
+ _Float64x __f)
+ __THROW __nonnull ((3));
+#endif
+
+#if __HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern int strfromf128x (char *__dest, size_t __size, const char * __format,
+ _Float128x __f)
+ __THROW __nonnull ((3));
+#endif
#ifdef __USE_GNU
-/* The concept of one static locale per category is not very well
- thought out. Many applications will need to process its data using
- information from several different locales. Another application is
- the implementation of the internationalization handling in the
- upcoming ISO C++ standard library. To support this another set of
- the functions using locale data exist which have an additional
- argument.
-
- Attention: all these functions are *not* standardized in any form.
- This is a proof-of-concept implementation. */
-
-/* Structure for reentrant locale using functions. This is an
- (almost) opaque type for the user level programs. */
-# include <xlocale.h>
-
-/* Special versions of the functions above which take the locale to
- use as an additional parameter. */
-extern long int strtol_l (__const char *__restrict __nptr,
+/* Parallel versions of the functions above which take the locale to
+ use as an additional parameter. These are GNU extensions inspired
+ by the POSIX.1-2008 extended locale API. */
+# include <bits/types/locale_t.h>
+
+extern long int strtol_l (const char *__restrict __nptr,
char **__restrict __endptr, int __base,
- __locale_t __loc) __THROW __nonnull ((1, 4)) __wur;
+ locale_t __loc) __THROW __nonnull ((1, 4));
-extern unsigned long int strtoul_l (__const char *__restrict __nptr,
+extern unsigned long int strtoul_l (const char *__restrict __nptr,
char **__restrict __endptr,
- int __base, __locale_t __loc)
- __THROW __nonnull ((1, 4)) __wur;
+ int __base, locale_t __loc)
+ __THROW __nonnull ((1, 4));
__extension__
-extern long long int strtoll_l (__const char *__restrict __nptr,
+extern long long int strtoll_l (const char *__restrict __nptr,
char **__restrict __endptr, int __base,
- __locale_t __loc)
- __THROW __nonnull ((1, 4)) __wur;
+ locale_t __loc)
+ __THROW __nonnull ((1, 4));
__extension__
-extern unsigned long long int strtoull_l (__const char *__restrict __nptr,
+extern unsigned long long int strtoull_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base, locale_t __loc)
+ __THROW __nonnull ((1, 4));
+
+/* Versions of the above functions that handle '0b' and '0B' prefixes
+ in base 0 or 2. */
+# if __GLIBC_USE (C2X_STRTOL)
+# ifdef __REDIRECT
+extern long int __REDIRECT_NTH (strtol_l, (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base, locale_t __loc),
+ __isoc23_strtol_l)
+ __nonnull ((1, 4));
+extern unsigned long int __REDIRECT_NTH (strtoul_l,
+ (const char *__restrict __nptr,
char **__restrict __endptr,
- int __base, __locale_t __loc)
- __THROW __nonnull ((1, 4)) __wur;
+ int __base, locale_t __loc),
+ __isoc23_strtoul_l)
+ __nonnull ((1, 4));
+__extension__
+extern long long int __REDIRECT_NTH (strtoll_l, (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base,
+ locale_t __loc),
+ __isoc23_strtoll_l)
+ __nonnull ((1, 4));
+__extension__
+extern unsigned long long int __REDIRECT_NTH (strtoull_l,
+ (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base, locale_t __loc),
+ __isoc23_strtoull_l)
+ __nonnull ((1, 4));
+# else
+extern long int __isoc23_strtol_l (const char *__restrict __nptr,
+ char **__restrict __endptr, int __base,
+ locale_t __loc) __THROW __nonnull ((1, 4));
+extern unsigned long int __isoc23_strtoul_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base, locale_t __loc)
+ __THROW __nonnull ((1, 4));
+__extension__
+extern long long int __isoc23_strtoll_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base, locale_t __loc)
+ __THROW __nonnull ((1, 4));
+__extension__
+extern unsigned long long int __isoc23_strtoull_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ int __base, locale_t __loc)
+ __THROW __nonnull ((1, 4));
+# define strtol_l __isoc23_strtol_l
+# define strtoul_l __isoc23_strtoul_l
+# define strtoll_l __isoc23_strtoll_l
+# define strtoull_l __isoc23_strtoull_l
+# endif
+# endif
-extern double strtod_l (__const char *__restrict __nptr,
- char **__restrict __endptr, __locale_t __loc)
- __THROW __nonnull ((1, 3)) __wur;
+extern double strtod_l (const char *__restrict __nptr,
+ char **__restrict __endptr, locale_t __loc)
+ __THROW __nonnull ((1, 3));
-extern float strtof_l (__const char *__restrict __nptr,
- char **__restrict __endptr, __locale_t __loc)
- __THROW __nonnull ((1, 3)) __wur;
+extern float strtof_l (const char *__restrict __nptr,
+ char **__restrict __endptr, locale_t __loc)
+ __THROW __nonnull ((1, 3));
-extern long double strtold_l (__const char *__restrict __nptr,
+extern long double strtold_l (const char *__restrict __nptr,
char **__restrict __endptr,
- __locale_t __loc)
- __THROW __nonnull ((1, 3)) __wur;
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+
+# if __HAVE_FLOAT16
+extern _Float16 strtof16_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
+
+# if __HAVE_FLOAT32
+extern _Float32 strtof32_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
+
+# if __HAVE_FLOAT64
+extern _Float64 strtof64_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
+
+# if __HAVE_FLOAT128
+extern _Float128 strtof128_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
+
+# if __HAVE_FLOAT32X
+extern _Float32x strtof32x_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
+
+# if __HAVE_FLOAT64X
+extern _Float64x strtof64x_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
+
+# if __HAVE_FLOAT128X
+extern _Float128x strtof128x_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
#endif /* GNU */
#ifdef __USE_EXTERN_INLINES
-__BEGIN_NAMESPACE_STD
-__extern_inline double
-__NTH (atof (__const char *__nptr))
-{
- return strtod (__nptr, (char **) NULL);
-}
__extern_inline int
-__NTH (atoi (__const char *__nptr))
+__NTH (atoi (const char *__nptr))
{
return (int) strtol (__nptr, (char **) NULL, 10);
}
__extern_inline long int
-__NTH (atol (__const char *__nptr))
+__NTH (atol (const char *__nptr))
{
return strtol (__nptr, (char **) NULL, 10);
}
-__END_NAMESPACE_STD
-# if defined __USE_MISC || defined __USE_ISOC99
-__BEGIN_NAMESPACE_C99
+# ifdef __USE_ISOC99
__extension__ __extern_inline long long int
-__NTH (atoll (__const char *__nptr))
+__NTH (atoll (const char *__nptr))
{
return strtoll (__nptr, (char **) NULL, 10);
}
-__END_NAMESPACE_C99
# endif
#endif /* Optimizing and Inlining. */
-#if defined __USE_SVID || defined __USE_XOPEN_EXTENDED
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
/* Convert N to base 64 using the digits "./0-9A-Za-z", least-significant
digit first. Returns a pointer to static storage overwritten by the
next call. */
extern char *l64a (long int __n) __THROW __wur;
/* Read a number from a string S in base 64 as above. */
-extern long int a64l (__const char *__s)
+extern long int a64l (const char *__s)
__THROW __attribute_pure__ __nonnull ((1)) __wur;
-#endif /* Use SVID || extended X/Open. */
+#endif /* Use misc || extended X/Open. */
-#if defined __USE_SVID || defined __USE_XOPEN_EXTENDED || defined __USE_BSD
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
# include <sys/types.h> /* we need int32_t... */
/* These are the functions that actually do things. The `random', `srandom',
`initstate' and `setstate' functions are those from BSD Unices.
The `rand' and `srand' functions are required by the ANSI standard.
We provide both interfaces to the same random number generator. */
-/* Return a random long integer between 0 and RAND_MAX inclusive. */
+/* Return a random long integer between 0 and 2^31-1 inclusive. */
extern long int random (void) __THROW;
/* Seed the random number generator with the given number. */
struct random_data *__restrict __buf)
__THROW __nonnull ((1, 2));
# endif /* Use misc. */
-#endif /* Use SVID || extended X/Open || BSD. */
+#endif /* Use extended X/Open || misc. */
-__BEGIN_NAMESPACE_STD
/* Return a random integer between 0 and RAND_MAX inclusive. */
extern int rand (void) __THROW;
/* Seed the random number generator with the given number. */
extern void srand (unsigned int __seed) __THROW;
-__END_NAMESPACE_STD
-#ifdef __USE_POSIX
+#ifdef __USE_POSIX199506
/* Reentrant interface according to POSIX.1. */
extern int rand_r (unsigned int *__seed) __THROW;
#endif
-#if defined __USE_SVID || defined __USE_XOPEN
+#if defined __USE_MISC || defined __USE_XOPEN
/* System V style 48-bit random number generator functions. */
/* Return non-negative, double-precision floating-point value in [0.0,1.0). */
unsigned short int __old_x[3]; /* Old state. */
unsigned short int __c; /* Additive const. in congruential formula. */
unsigned short int __init; /* Flag for initializing. */
- unsigned long long int __a; /* Factor in congruential formula. */
+ __extension__ unsigned long long int __a; /* Factor in congruential
+ formula. */
};
/* Return non-negative, double-precision floating-point value in [0.0,1.0). */
extern int lcong48_r (unsigned short int __param[7],
struct drand48_data *__buffer)
__THROW __nonnull ((1, 2));
-# endif /* Use misc. */
-#endif /* Use SVID or X/Open. */
-#endif /* don't just need malloc and calloc */
+/* Return a random integer between zero and 2**32-1 (inclusive). */
+extern __uint32_t arc4random (void)
+ __THROW __wur;
+
+/* Fill the buffer with random data. */
+extern void arc4random_buf (void *__buf, size_t __size)
+ __THROW __nonnull ((1));
+
+/* Return a random number between zero (inclusive) and the specified
+ limit (exclusive). */
+extern __uint32_t arc4random_uniform (__uint32_t __upper_bound)
+ __THROW __wur;
+# endif /* Use misc. */
+#endif /* Use misc or X/Open. */
-#ifndef __malloc_and_calloc_defined
-# define __malloc_and_calloc_defined
-__BEGIN_NAMESPACE_STD
/* Allocate SIZE bytes of memory. */
-extern void *malloc (size_t __size) __THROW __attribute_malloc__ __wur;
+extern void *malloc (size_t __size) __THROW __attribute_malloc__
+ __attribute_alloc_size__ ((1)) __wur;
/* Allocate NMEMB elements of SIZE bytes each, all initialized to 0. */
extern void *calloc (size_t __nmemb, size_t __size)
- __THROW __attribute_malloc__ __wur;
-__END_NAMESPACE_STD
-#endif
+ __THROW __attribute_malloc__ __attribute_alloc_size__ ((1, 2)) __wur;
-#ifndef __need_malloc_and_calloc
-__BEGIN_NAMESPACE_STD
/* Re-allocate the previously allocated block
in PTR, making the new block SIZE bytes long. */
/* __attribute_malloc__ is not used, because if realloc returns
the same pointer that was passed to it, aliasing needs to be allowed
between objects pointed by the old and new pointers. */
extern void *realloc (void *__ptr, size_t __size)
- __THROW __attribute_warn_unused_result__;
+ __THROW __attribute_warn_unused_result__ __attribute_alloc_size__ ((2));
+
/* Free a block allocated by `malloc', `realloc' or `calloc'. */
extern void free (void *__ptr) __THROW;
-__END_NAMESPACE_STD
-#ifdef __USE_MISC
-/* Free a block. An alias for `free'. (Sun Unices). */
-extern void cfree (void *__ptr) __THROW;
-#endif /* Use misc. */
+#ifdef __USE_MISC
+/* Re-allocate the previously allocated block in PTR, making the new
+ block large enough for NMEMB elements of SIZE bytes each. */
+/* __attribute_malloc__ is not used, because if reallocarray returns
+ the same pointer that was passed to it, aliasing needs to be allowed
+ between objects pointed by the old and new pointers. */
+extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
+ __THROW __attribute_warn_unused_result__
+ __attribute_alloc_size__ ((2, 3))
+ __attr_dealloc_free;
+
+/* Add reallocarray as its own deallocator. */
+extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
+ __THROW __attr_dealloc (reallocarray, 1);
+#endif
-#if defined __USE_GNU || defined __USE_BSD || defined __USE_MISC
+#ifdef __USE_MISC
# include <alloca.h>
-#endif /* Use GNU, BSD, or misc. */
+#endif /* Use misc. */
-#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+#if (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K) \
+ || defined __USE_MISC
/* Allocate SIZE bytes on a page boundary. The storage cannot be freed. */
-extern void *valloc (size_t __size) __THROW __attribute_malloc__ __wur;
+extern void *valloc (size_t __size) __THROW __attribute_malloc__
+ __attribute_alloc_size__ ((1)) __wur;
#endif
#ifdef __USE_XOPEN2K
__THROW __nonnull ((1)) __wur;
#endif
-__BEGIN_NAMESPACE_STD
+#ifdef __USE_ISOC11
+/* ISO C variant of aligned allocation. */
+extern void *aligned_alloc (size_t __alignment, size_t __size)
+ __THROW __attribute_malloc__ __attribute_alloc_align__ ((1))
+ __attribute_alloc_size__ ((2)) __wur;
+#endif
+
/* Abort execution and generate a core-dump. */
extern void abort (void) __THROW __attribute__ ((__noreturn__));
/* Register a function to be called when `exit' is called. */
extern int atexit (void (*__func) (void)) __THROW __nonnull ((1));
-#ifdef __USE_GNU
-// XXX There should be a macro to signal with C++ revision is used.
-// XXX This function is in the C++1x revision.
+#if defined __USE_ISOC11 || defined __USE_ISOCXX11
/* Register a function to be called when `quick_exit' is called. */
# ifdef __cplusplus
extern "C++" int at_quick_exit (void (*__func) (void))
extern int at_quick_exit (void (*__func) (void)) __THROW __nonnull ((1));
# endif
#endif
-__END_NAMESPACE_STD
#ifdef __USE_MISC
/* Register a function to be called with the status
__THROW __nonnull ((1));
#endif
-__BEGIN_NAMESPACE_STD
/* Call all functions registered with `atexit' and `on_exit',
in the reverse of the order in which they were registered,
perform stdio cleanup, and terminate program execution with STATUS. */
extern void exit (int __status) __THROW __attribute__ ((__noreturn__));
-#ifdef __USE_GNU
-// XXX There should be a macro to signal with C++ revision is used.
-// XXX This function is in the C++1x revision.
+#if defined __USE_ISOC11 || defined __USE_ISOCXX11
/* Call all functions registered with `at_quick_exit' in the reverse
of the order in which they were registered and terminate program
execution with STATUS. */
extern void quick_exit (int __status) __THROW __attribute__ ((__noreturn__));
#endif
-__END_NAMESPACE_STD
#ifdef __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Terminate the program with STATUS without calling any of the
functions registered with `atexit' or `on_exit'. */
extern void _Exit (int __status) __THROW __attribute__ ((__noreturn__));
-__END_NAMESPACE_C99
#endif
-__BEGIN_NAMESPACE_STD
/* Return the value of envariable NAME, or NULL if it doesn't exist. */
-extern char *getenv (__const char *__name) __THROW __nonnull ((1)) __wur;
-__END_NAMESPACE_STD
+extern char *getenv (const char *__name) __THROW __nonnull ((1)) __wur;
+#ifdef __USE_GNU
/* This function is similar to the above but returns NULL if the
programs is running with SUID or SGID enabled. */
-extern char *__secure_getenv (__const char *__name)
+extern char *secure_getenv (const char *__name)
__THROW __nonnull ((1)) __wur;
+#endif
-#if defined __USE_SVID || defined __USE_XOPEN
+#if defined __USE_MISC || defined __USE_XOPEN
/* The SVID says this is in <stdio.h>, but this seems a better place. */
/* Put STRING, which is of the form "NAME=VALUE", in the environment.
If there is no `=', remove NAME from the environment. */
extern int putenv (char *__string) __THROW __nonnull ((1));
#endif
-#if defined __USE_BSD || defined __USE_XOPEN2K
+#ifdef __USE_XOPEN2K
/* Set NAME to VALUE in the environment.
If REPLACE is nonzero, overwrite an existing value. */
-extern int setenv (__const char *__name, __const char *__value, int __replace)
+extern int setenv (const char *__name, const char *__value, int __replace)
__THROW __nonnull ((2));
/* Remove the variable NAME from the environment. */
-extern int unsetenv (__const char *__name) __THROW;
+extern int unsetenv (const char *__name) __THROW __nonnull ((1));
#endif
#ifdef __USE_MISC
#endif
-#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
+#if defined __USE_MISC \
+ || (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K8)
/* Generate a unique temporary file name from TEMPLATE.
The last six characters of TEMPLATE must be "XXXXXX";
they are replaced with a string that makes the file name unique.
- Returns TEMPLATE, or a null pointer if it cannot get a unique file name. */
-extern char *mktemp (char *__template) __THROW __nonnull ((1)) __wur;
+ Always returns TEMPLATE, it's either a temporary file name or a null
+ string if it cannot get a unique file name. */
+extern char *mktemp (char *__template) __THROW __nonnull ((1));
+#endif
+#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
/* Generate a unique temporary file name from TEMPLATE.
The last six characters of TEMPLATE must be "XXXXXX";
they are replaced with a string that makes the filename unique.
Returns a file descriptor open on the file for reading and writing,
or -1 if it cannot create a uniquely-named file.
- This function is a possible cancellation points and therefore not
+ This function is a possible cancellation point and therefore not
marked with __THROW. */
# ifndef __USE_FILE_OFFSET64
extern int mkstemp (char *__template) __nonnull ((1)) __wur;
# endif
#endif
-#if defined __USE_BSD || defined __USE_XOPEN2K8
+#ifdef __USE_MISC
+/* Similar to mkstemp, but the template can have a suffix after the
+ XXXXXX. The length of the suffix is specified in the second
+ parameter.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+# ifndef __USE_FILE_OFFSET64
+extern int mkstemps (char *__template, int __suffixlen) __nonnull ((1)) __wur;
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (mkstemps, (char *__template, int __suffixlen),
+ mkstemps64) __nonnull ((1)) __wur;
+# else
+# define mkstemps mkstemps64
+# endif
+# endif
+# ifdef __USE_LARGEFILE64
+extern int mkstemps64 (char *__template, int __suffixlen)
+ __nonnull ((1)) __wur;
+# endif
+#endif
+
+#ifdef __USE_XOPEN2K8
/* Create a unique temporary directory from TEMPLATE.
The last six characters of TEMPLATE must be "XXXXXX";
they are replaced with a string that makes the directory name unique.
mkstemp. But allow the caller to pass additional flags which are
used in the open call to create the file..
- This function is a possible cancellation points and therefore not
+ This function is a possible cancellation point and therefore not
marked with __THROW. */
# ifndef __USE_FILE_OFFSET64
extern int mkostemp (char *__template, int __flags) __nonnull ((1)) __wur;
# ifdef __USE_LARGEFILE64
extern int mkostemp64 (char *__template, int __flags) __nonnull ((1)) __wur;
# endif
+
+/* Similar to mkostemp, but the template can have a suffix after the
+ XXXXXX. The length of the suffix is specified in the second
+ parameter.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+# ifndef __USE_FILE_OFFSET64
+extern int mkostemps (char *__template, int __suffixlen, int __flags)
+ __nonnull ((1)) __wur;
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (mkostemps, (char *__template, int __suffixlen,
+ int __flags), mkostemps64)
+ __nonnull ((1)) __wur;
+# else
+# define mkostemps mkostemps64
+# endif
+# endif
+# ifdef __USE_LARGEFILE64
+extern int mkostemps64 (char *__template, int __suffixlen, int __flags)
+ __nonnull ((1)) __wur;
+# endif
#endif
-__BEGIN_NAMESPACE_STD
/* Execute the given line as a shell command.
This function is a cancellation point and therefore not marked with
__THROW. */
-extern int system (__const char *__command) __wur;
-__END_NAMESPACE_STD
+extern int system (const char *__command) __wur;
#ifdef __USE_GNU
/* Return a malloc'd string containing the canonical absolute name of the
existing named file. */
-extern char *canonicalize_file_name (__const char *__name)
- __THROW __nonnull ((1)) __wur;
+extern char *canonicalize_file_name (const char *__name)
+ __THROW __nonnull ((1)) __attribute_malloc__
+ __attr_dealloc_free __wur;
#endif
-#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
/* Return the canonical absolute name of file NAME. If RESOLVED is
null, the result is malloc'd; otherwise, if the canonical name is
PATH_MAX chars or more, returns null with `errno' set to
ENAMETOOLONG; if the name fits in fewer than PATH_MAX chars,
returns the name in RESOLVED. */
-extern char *realpath (__const char *__restrict __name,
+extern char *realpath (const char *__restrict __name,
char *__restrict __resolved) __THROW __wur;
#endif
/* Shorthand for type of comparison functions. */
#ifndef __COMPAR_FN_T
# define __COMPAR_FN_T
-typedef int (*__compar_fn_t) (__const void *, __const void *);
+typedef int (*__compar_fn_t) (const void *, const void *);
# ifdef __USE_GNU
typedef __compar_fn_t comparison_fn_t;
# endif
#endif
#ifdef __USE_GNU
-typedef int (*__compar_d_fn_t) (__const void *, __const void *, void *);
+typedef int (*__compar_d_fn_t) (const void *, const void *, void *);
#endif
-__BEGIN_NAMESPACE_STD
/* Do a binary search for KEY in BASE, which consists of NMEMB elements
of SIZE bytes each, using COMPAR to perform the comparisons. */
-extern void *bsearch (__const void *__key, __const void *__base,
+extern void *bsearch (const void *__key, const void *__base,
size_t __nmemb, size_t __size, __compar_fn_t __compar)
__nonnull ((1, 2, 5)) __wur;
+#ifdef __USE_EXTERN_INLINES
+# include <bits/stdlib-bsearch.h>
+#endif
+
/* Sort NMEMB elements of BASE, of SIZE bytes each,
using COMPAR to perform the comparisons. */
extern void qsort (void *__base, size_t __nmemb, size_t __size,
/* Return the absolute value of X. */
extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
extern long int labs (long int __x) __THROW __attribute__ ((__const__)) __wur;
-__END_NAMESPACE_STD
#ifdef __USE_ISOC99
__extension__ extern long long int llabs (long long int __x)
#endif
-__BEGIN_NAMESPACE_STD
/* Return the `div_t', `ldiv_t' or `lldiv_t' representation
of the value of NUMER over DENOM. */
/* GCC may have built-ins for these someday. */
__THROW __attribute__ ((__const__)) __wur;
extern ldiv_t ldiv (long int __numer, long int __denom)
__THROW __attribute__ ((__const__)) __wur;
-__END_NAMESPACE_STD
#ifdef __USE_ISOC99
-__BEGIN_NAMESPACE_C99
__extension__ extern lldiv_t lldiv (long long int __numer,
long long int __denom)
__THROW __attribute__ ((__const__)) __wur;
-__END_NAMESPACE_C99
#endif
-#if defined __USE_SVID || defined __USE_XOPEN_EXTENDED
+#if (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K8) \
+ || defined __USE_MISC
/* Convert floating point numbers to strings. The returned values are
valid only until another call to the same function. */
be written to BUF. */
extern char *gcvt (double __value, int __ndigit, char *__buf)
__THROW __nonnull ((3)) __wur;
+#endif
-
-# ifdef __USE_MISC
+#ifdef __USE_MISC
/* Long double versions of above functions. */
extern char *qecvt (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign)
int *__restrict __decpt, int *__restrict __sign,
char *__restrict __buf, size_t __len)
__THROW __nonnull ((3, 4, 5));
-# endif /* misc */
-#endif /* use MISC || use X/Open Unix */
+#endif /* misc */
-__BEGIN_NAMESPACE_STD
/* Return the length of the multibyte character
in S, which is no longer than N. */
-extern int mblen (__const char *__s, size_t __n) __THROW __wur;
+extern int mblen (const char *__s, size_t __n) __THROW;
/* Return the length of the given multibyte character,
putting its `wchar_t' representation in *PWC. */
extern int mbtowc (wchar_t *__restrict __pwc,
- __const char *__restrict __s, size_t __n) __THROW __wur;
+ const char *__restrict __s, size_t __n) __THROW;
/* Put the multibyte character represented
by WCHAR in S, returning its length. */
-extern int wctomb (char *__s, wchar_t __wchar) __THROW __wur;
+extern int wctomb (char *__s, wchar_t __wchar) __THROW;
/* Convert a multibyte string to a wide char string. */
extern size_t mbstowcs (wchar_t *__restrict __pwcs,
- __const char *__restrict __s, size_t __n) __THROW;
+ const char *__restrict __s, size_t __n) __THROW
+ __attr_access ((__read_only__, 2));
/* Convert a wide char string to multibyte string. */
extern size_t wcstombs (char *__restrict __s,
- __const wchar_t *__restrict __pwcs, size_t __n)
- __THROW;
-__END_NAMESPACE_STD
+ const wchar_t *__restrict __pwcs, size_t __n)
+ __THROW
+ __fortified_attr_access (__write_only__, 1, 3)
+ __attr_access ((__read_only__, 2));
-
-#ifdef __USE_SVID
+#ifdef __USE_MISC
/* Determine whether the string value of RESPONSE matches the affirmation
or negative response expression as specified by the LC_MESSAGES category
in the program's current locale. Returns 1 if affirmative, 0 if
negative, and -1 if not matching. */
-extern int rpmatch (__const char *__response) __THROW __nonnull ((1)) __wur;
+extern int rpmatch (const char *__response) __THROW __nonnull ((1)) __wur;
#endif
-#ifdef __USE_XOPEN_EXTENDED
+#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
/* Parse comma separated suboption from *OPTIONP and match against
strings in TOKENS. If found return index and set *VALUEP to
optional value introduced by an equal sign. If the suboption is
suboption. On exit *OPTIONP is set to the beginning of the next
token or at the terminating NUL character. */
extern int getsubopt (char **__restrict __optionp,
- char *__const *__restrict __tokens,
+ char *const *__restrict __tokens,
char **__restrict __valuep)
__THROW __nonnull ((1, 2, 3)) __wur;
#endif
-#ifdef __USE_XOPEN
-/* Setup DES tables according KEY. */
-extern void setkey (__const char *__key) __THROW __nonnull ((1));
-#endif
-
-
/* X/Open pseudo terminal handling. */
-#ifdef __USE_XOPEN2K
+#ifdef __USE_XOPEN2KXSI
/* Return a master pseudo-terminal handle. */
extern int posix_openpt (int __oflag) __wur;
#endif
-#ifdef __USE_XOPEN
+#ifdef __USE_XOPEN_EXTENDED
/* The next four functions all take a master pseudo-tty fd and
perform an operation on the associated slave: */
Call after grantpt(). */
extern int unlockpt (int __fd) __THROW;
-/* Return the pathname of the pseudo terminal slave assoicated with
+/* Return the pathname of the pseudo terminal slave associated with
the master FD is open on, or NULL on errors.
The returned storage is good until the next call to this function. */
extern char *ptsname (int __fd) __THROW __wur;
terminal associated with the master FD is open on in BUF.
Return 0 on success, otherwise an error number. */
extern int ptsname_r (int __fd, char *__buf, size_t __buflen)
- __THROW __nonnull ((2));
+ __THROW __nonnull ((2)) __fortified_attr_access (__write_only__, 2, 3);
/* Open a master pseudo terminal and return its file descriptor. */
extern int getpt (void);
#endif
-#ifdef __USE_BSD
+#ifdef __USE_MISC
/* Put the 1 minute, 5 minute and 15 minute load averages into the first
NELEM elements of LOADAVG. Return the number written (never more than
three, but may be less than NELEM), or -1 if an error occurred. */
__THROW __nonnull ((1));
#endif
+#if defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K
+/* Return the index into the active-logins file (utmp) for
+ the controlling terminal. */
+extern int ttyslot (void) __THROW;
+#endif
+
+#include <bits/stdlib-float.h>
/* Define some macros helping to catch buffer overflows. */
-#if __USE_FORTIFY_LEVEL > 0 && defined __extern_always_inline
+#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
# include <bits/stdlib.h>
#endif
-#ifdef __LDBL_COMPAT
+
+#include <bits/floatn.h>
+#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
# include <bits/stdlib-ldbl.h>
#endif
-#endif /* don't just need malloc and calloc */
-#undef __need_malloc_and_calloc
-
__END_DECLS
#endif /* stdlib.h */
projects / thirdparty / glibc.git / blobdiff