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cc65/include/stdlib.h
2022-07-21 03:20:44 +02:00

149 lines
5.9 KiB
C

/*****************************************************************************/
/* */
/* stdlib.h */
/* */
/* General utilities */
/* */
/* */
/* */
/* (C) 1998-2011, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef _STDLIB_H
#define _STDLIB_H
/* size_t is needed */
#ifndef _HAVE_size_t
typedef unsigned size_t;
#define _HAVE_size_t
#endif
/* Standard exit codes */
#define EXIT_SUCCESS 0
#define EXIT_FAILURE 1
#if __CC65_STD__ == __CC65_STD_CC65__
/* Those non-standard cc65 exit constants definitions are in addition
** to the EXIT_SUCCESS and EXIT_FAILURE constants, which should not be
** redefined
*/
#define EXIT_ASSERT 2
#define EXIT_ABORT 3
#endif
/* Return type of the div function */
typedef struct {
int rem;
int quot;
} div_t;
/* Return type of the ldiv function (which currently doesn't exist) */
typedef struct {
long rem;
long quot;
} ldiv_t;
/* Memory management */
void* __fastcall__ malloc (size_t size);
void* __fastcall__ calloc (size_t count, size_t size);
void* __fastcall__ realloc (void* block, size_t size);
void __fastcall__ free (void* block);
/* Non standard memory management functions */
#if __CC65_STD__ == __CC65_STD_CC65__
int __fastcall__ posix_memalign (void** memptr, size_t alignment, size_t size);
/* Allocate a block of memory with the given "size", which is aligned to a
** memory address that is a multiple of "alignment". "alignment" MUST NOT be
** zero, and MUST be a power of two; otherwise, this function will return
** EINVAL. The function returns ENOMEM if not enough memory is available
** to satisfy the request. "memptr" must point to a variable; that variable
** will return the address of the allocated memory. Use free() to release that
** allocated block.
*/
#endif
void __fastcall__ _heapadd (void* mem, size_t size);
/* Add a block to the heap */
size_t __fastcall__ _heapblocksize (const void* block);
/* Return the size of an allocated block */
size_t _heapmemavail (void);
/* Return the total free heap space */
size_t _heapmaxavail (void);
/* Return the size of the largest free block on the heap */
/* Random numbers */
#define RAND_MAX 0x7FFF
int rand (void);
void __fastcall__ srand (unsigned seed);
void _randomize (void); /* Non-standard */
/* Other standard stuff */
void abort (void) __attribute__ ((noreturn));
int __fastcall__ abs (int val);
long __fastcall__ labs (long val);
int __fastcall__ atoi (const char* s);
long __fastcall__ atol (const char* s);
int __fastcall__ atexit (void (*exitfunc) (void));
void* __fastcall__ bsearch (const void* key, const void* base, size_t n,
size_t size, int __fastcall__ (* cmp) (const void*, const void*));
div_t __fastcall__ div (int numer, int denom);
void __fastcall__ exit (int ret) __attribute__ ((noreturn));
char* __fastcall__ getenv (const char* name);
void __fastcall__ qsort (void* base, size_t count, size_t size,
int __fastcall__ (* compare) (const void*, const void*));
long __fastcall__ strtol (const char* nptr, char** endptr, int base);
unsigned long __fastcall__ strtoul (const char* nptr, char** endptr, int base);
int __fastcall__ system (const char* s);
/* Non-ANSI functions */
void __fastcall__ _swap (void* p, void* q, size_t size);
#if __CC65_STD__ == __CC65_STD_CC65__
char* __fastcall__ itoa (int val, char* buf, int radix);
char* __fastcall__ utoa (unsigned val, char* buf, int radix);
char* __fastcall__ ltoa (long val, char* buf, int radix);
char* __fastcall__ ultoa (unsigned long val, char* buf, int radix);
int __fastcall__ putenv (char* s);
#endif
/* End of stdlib.h */
#endif