-/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2019 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
#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 __USE_XOPEN2K8) && !defined _SYS_WAIT_H
# endif
#endif /* X/Open or XPG7 and <sys/wait.h> not included. */
-__BEGIN_NAMESPACE_STD
+/* _FloatN API tests for enablement. */
+#include <bits/floatn.h>
+
/* 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)
__THROW __attribute_pure__ __nonnull ((1)) __wur;
/* Convert a string to a long integer. */
extern long int atol (const char *__nptr)
__THROW __attribute_pure__ __nonnull ((1)) __wur;
-__END_NAMESPACE_STD
#ifdef __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Convert a string to a long long integer. */
__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,
char **__restrict __endptr)
__THROW __nonnull ((1));
-__END_NAMESPACE_STD
#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));
extern long double strtold (const char *__restrict __nptr,
char **__restrict __endptr)
__THROW __nonnull ((1));
-__END_NAMESPACE_C99
#endif
-__BEGIN_NAMESPACE_STD
+/* 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
+
/* Convert a string to a long integer. */
extern long int strtol (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
extern unsigned long int strtoul (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__THROW __nonnull ((1));
-__END_NAMESPACE_STD
#ifdef __USE_MISC
/* Convert a string to a quadword integer. */
#endif /* Use misc. */
#ifdef __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Convert a string to a quadword integer. */
__extension__
extern long long int strtoll (const char *__restrict __nptr,
extern unsigned long long int strtoull (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__THROW __nonnull ((1));
-__END_NAMESPACE_C99
#endif /* ISO C99 or use MISC. */
+/* Convert a floating-point number to a string. */
+#if __GLIBC_USE (IEC_60559_BFP_EXT)
+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 problem is
- the implementation of the internationalization handling in the
- ISO C++ standard library. To support this another set of
- the functions using locale data exist which take an additional
- argument.
-
- Attention: even though several *_l interfaces are part of POSIX:2008,
- these are not. */
-
-/* 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. */
+/* 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));
+ locale_t __loc) __THROW __nonnull ((1, 4));
extern unsigned long int strtoul_l (const char *__restrict __nptr,
char **__restrict __endptr,
- int __base, __locale_t __loc)
+ int __base, locale_t __loc)
__THROW __nonnull ((1, 4));
__extension__
extern long long int strtoll_l (const char *__restrict __nptr,
char **__restrict __endptr, int __base,
- __locale_t __loc)
+ locale_t __loc)
__THROW __nonnull ((1, 4));
__extension__
extern unsigned long long int strtoull_l (const char *__restrict __nptr,
char **__restrict __endptr,
- int __base, __locale_t __loc)
+ int __base, locale_t __loc)
__THROW __nonnull ((1, 4));
extern double strtod_l (const char *__restrict __nptr,
- char **__restrict __endptr, __locale_t __loc)
+ char **__restrict __endptr, locale_t __loc)
__THROW __nonnull ((1, 3));
extern float strtof_l (const char *__restrict __nptr,
- char **__restrict __endptr, __locale_t __loc)
+ char **__restrict __endptr, locale_t __loc)
__THROW __nonnull ((1, 3));
extern long double strtold_l (const char *__restrict __nptr,
char **__restrict __endptr,
- __locale_t __loc)
+ 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 int
__NTH (atoi (const char *__nptr))
{
{
return strtol (__nptr, (char **) NULL, 10);
}
-__END_NAMESPACE_STD
# ifdef __USE_ISOC99
-__BEGIN_NAMESPACE_C99
__extension__ __extern_inline long long int
__NTH (atoll (const char *__nptr))
{
return strtoll (__nptr, (char **) NULL, 10);
}
-__END_NAMESPACE_C99
# endif
#endif /* Optimizing and Inlining. */
#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
# endif /* Use misc. */
#endif /* Use misc or X/Open. */
-#endif /* don't just need malloc and calloc */
-
-#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));
+
+#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));
+#endif
+
/* 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
# include <alloca.h>
#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 __attribute_malloc__ __attribute_alloc_size__ ((2)) __wur;
#endif
-__BEGIN_NAMESPACE_STD
/* Abort execution and generate a core-dump. */
extern void abort (void) __THROW __attribute__ ((__noreturn__));
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. */
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
#ifdef __USE_GNU
/* This function is similar to the above but returns NULL if the
#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
#ifdef __USE_GNU
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,
/* 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
#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;
extern size_t wcstombs (char *__restrict __s,
const wchar_t *__restrict __pwcs, size_t __n)
__THROW;
-__END_NAMESPACE_STD
#ifdef __USE_MISC
#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_XOPEN2KXSI
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: */
# include <bits/stdlib-ldbl.h>
#endif
-#endif /* don't just need malloc and calloc */
-#undef __need_malloc_and_calloc
-
__END_DECLS
#endif /* stdlib.h */