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Justin C. Miller
bab2dd5c69
Slightly breaking the C standard, but in a way that's unlikely to break things - allow 64-bit process exit status codes.
109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
#pragma once
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/** \file stdlib.h
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* General utilities
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*
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* This file is part of the C standard library for the jsix operating
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* system.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include <__j6libc/null.h>
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#include <__j6libc/restrict.h>
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#include <__j6libc/size_t.h>
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#include <__j6libc/wchar_t.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Numeric conversion functions
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//
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double atof( const char *nptr );
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int atoi( const char *nptr );
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long atol( const char *nptr );
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long long atoll( const char *nptr );
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double strtod( const char * restrict nptr, char ** restrict endptr );
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float strtof( const char * restrict nptr, char ** restrict endptr );
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long double strtold( const char * restrict nptr, char ** restrict endptr );
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long strtol( const char * restrict nptr, char ** restrict endptr, int base );
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long long strtoll( const char * restrict nptr, char ** restrict endptr, int base );
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unsigned long strtoul( const char * restrict nptr, char ** restrict endptr, int base );
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unsigned long long strtoull( const char * restrict nptr, char ** restrict endptr, int base );
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// Pseudo-random sequence generation functions
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//
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#define RAND_MAX 0
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int rand( void );
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void srand( unsigned int seed );
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// Memory management functions
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//
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void *aligned_alloc( size_t alignment, size_t size );
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void *calloc( size_t nmemb, size_t size);
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void free( void *ptr );
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void *malloc( size_t size );
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void *realloc( void *ptr, size_t size );
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// Bonus functions from dlmalloc
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void* realloc_in_place( void *ptr, size_t size );
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void* memalign(size_t, size_t);
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int posix_memalign(void**, size_t, size_t);
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void* valloc(size_t);
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void* pvalloc(size_t);
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// Communication with the environment
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//
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#define EXIT_SUCCESS 0
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#define EXIT_FAILURE 127
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_Noreturn void abort( void );
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int atexit( void (*func)(void) );
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int at_quick_exit( void (*func)(void) );
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_Noreturn void exit( long status );
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_Noreturn void _Exit( long status );
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char *getenv( const char *name );
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_Noreturn void quick_exit( long status );
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int system( const char *string );
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// Searching and sorting utilities
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//
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typedef int (*__cmp)( const void *, const void *);
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void *bsearch( const void *key, const void *base, size_t nmemb, size_t size, __cmp compar );
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void qsort( const void *base, size_t nmemb, size_t size, __cmp compar );
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// Integer arithmetic functions
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//
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struct div_t { int quot; int rem; };
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struct ldiv_t { long quot; long rem; };
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struct lldiv_t { long long quot; long long rem; };
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int abs( int j );
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long labs( long j );
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long long llabs( long long j );
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struct div_t div( int numer, int denom );
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struct ldiv_t ldiv( long numer, long denom );
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struct lldiv_t lldiv( long long numer, long long denom );
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// Multibyte / wide character conversion functions
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//
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#define MB_CUR_MAX SIZE_C(4)
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int mblen( const char *s, size_t n );
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int mbtowc( wchar_t * restrict pwc, const char * restrict s, size_t n );
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int wctomb( char *s, wchar_t wc );
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int mbstowcs( wchar_t * restrict pwcs, const char * restrict s, size_t n );
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int wcstombs( char * restrict s, const wchar_t * restrict pwcs, size_t n );
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#ifdef __cplusplus
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} // extern "C"
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#endif
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