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skrzyp |
#ifndef CYGONCE_ISO_STDLIB_H
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#define CYGONCE_ISO_STDLIB_H
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/*========================================================================
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//
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// stdlib.h
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//
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// ISO standard library functions
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//
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//========================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): jlarmour
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// Contributors:
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// Date: 2000-04-14
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// Purpose: This file provides the stdlib functions required by
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// ISO C and POSIX 1003.1.
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// Description: The real contents of this file get set from the
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// configuration (set by the implementation)
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// Usage: #include <stdlib.h>
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//
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//####DESCRIPTIONEND####
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//
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//======================================================================
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*/
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/* CONFIGURATION */
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#include <pkgconf/isoinfra.h> /* Configuration header */
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/* INCLUDES */
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/* This is the "standard" way to get NULL, wchar_t and size_t from stddef.h,
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* which is the canonical location of the definitions.
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*/
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#define __need_NULL
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#define __need_size_t
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#define __need_wchar_t
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#include <stddef.h>
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#include <cyg/infra/cyg_type.h> /* For CYGBLD_ATTRIB_NORET etc. */
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/*==========================================================================*/
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#if CYGINT_ISO_STDLIB_STRCONV
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# ifdef CYGBLD_ISO_STDLIB_STRCONV_HEADER
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# include CYGBLD_ISO_STDLIB_STRCONV_HEADER
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# else
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/* ISO C 7.10.1 - String conversion functions */
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int
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atoi( const char * /* int_str */ );
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extern long
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atol( const char * /* long_str */ );
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extern long
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strtol( const char * /* long_str */, char ** /* endptr */,
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int /* base */ );
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extern unsigned long
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strtoul( const char * /* ulong_str */, char ** /* endptr */,
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int /* base */ );
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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# endif
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#endif
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/*==========================================================================*/
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#if CYGINT_ISO_STDLIB_STRCONV_FLOAT
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# ifdef CYGBLD_ISO_STDLIB_STRCONV_FLOAT_HEADER
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# include CYGBLD_ISO_STDLIB_STRCONV_FLOAT_HEADER
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# else
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/* ISO C 7.10.1 - String conversion functions */
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern double
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atof( const char * /* double_str */ );
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extern double
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strtod( const char * /* double_str */, char ** /* endptr */ );
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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# endif
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#endif
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/*==========================================================================*/
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#if CYGINT_ISO_RAND
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# ifdef CYGBLD_ISO_RAND_HEADER
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# include CYGBLD_ISO_RAND_HEADER
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# else
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/* ISO C 7.10.2 - Pseudo-random sequence generation functions */
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/* Maximum value returned by rand(). */
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#define RAND_MAX 2147483647
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int
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rand( void );
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extern void
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srand( unsigned int /* seed */ );
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/* POSIX 1003.1 section 8.3.8 rand_r() */
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extern int
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rand_r( unsigned int * /* seed */ );
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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# endif
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#endif
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/*==========================================================================*/
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#if CYGINT_ISO_MALLOC
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# ifdef CYGBLD_ISO_MALLOC_HEADER
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# include CYGBLD_ISO_MALLOC_HEADER
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# else
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/* ISO C 7.10.3 - Memory management functions */
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void *
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calloc( size_t /* num_objects */, size_t /* object_size */ );
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extern void
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free( void * /* ptr */ );
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extern void *
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malloc( size_t /* size */ );
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extern void *
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realloc( void * /* ptr */, size_t /* size */ );
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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# endif
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#endif
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/*==========================================================================*/
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#if CYGINT_ISO_MALLINFO
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# ifdef CYGBLD_ISO_MALLINFO_HEADER
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# include CYGBLD_ISO_MALLINFO_HEADER
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# else
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* SVID2/XPG mallinfo structure */
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struct mallinfo {
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int arena; /* total size of memory arena */
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int ordblks; /* number of ordinary memory blocks */
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int smblks; /* number of small memory blocks */
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int hblks; /* number of mmapped regions */
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int hblkhd; /* total space in mmapped regions */
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int usmblks; /* space used by small memory blocks */
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int fsmblks; /* space available for small memory blocks */
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int uordblks; /* space used by ordinary memory blocks */
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int fordblks; /* space free for ordinary blocks */
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int keepcost; /* top-most, releasable (via malloc_trim) space */
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int maxfree; /* (NON-STANDARD EXTENSION) size of largest free block */
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};
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extern struct mallinfo
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mallinfo( void );
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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# endif
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#endif
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/*==========================================================================*/
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#if CYGINT_ISO_EXIT
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# ifdef CYGBLD_ISO_EXIT_HEADER
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# include CYGBLD_ISO_EXIT_HEADER
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# else
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/* ISO C 7.10.4 - Communication with the environment */
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/* codes to pass to exit() */
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/* Successful exit status - must be zero (POSIX 1003.1 8.1) */
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#define EXIT_SUCCESS 0
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/* Failing exit status - must be non-zero (POSIX 1003.1 8.1) */
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#define EXIT_FAILURE 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Type of function used by atexit() */
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typedef void (*__atexit_fn_t)( void );
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extern void
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abort( void ) CYGBLD_ATTRIB_NORET;
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extern int
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atexit( __atexit_fn_t /* func_to_register */ );
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extern void
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exit( int /* status */ ) CYGBLD_ATTRIB_NORET;
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/* POSIX 1003.1 section 3.2.2 "Terminate a process" */
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//@@@ FIXME unistd.h
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extern void
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_exit( int /* status */ ) CYGBLD_ATTRIB_NORET;
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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# endif
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#endif
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/*==========================================================================*/
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#if CYGINT_ISO_STDLIB_ENVIRON
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# ifdef CYGBLD_ISO_STDLIB_ENVIRON_HEADER
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# include CYGBLD_ISO_STDLIB_ENVIRON_HEADER
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# else
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/* ISO C 7.10.4 - Communication with the environment */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _POSIX_SOURCE
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extern char **environ; /* standard definition of environ */
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#endif
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extern char *
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getenv( const char * /* name */ );
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#ifdef __cplusplus
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| 306 |
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} /* extern "C" */
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| 307 |
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#endif
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| 308 |
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# endif
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| 310 |
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#endif
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/*==========================================================================*/
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#if CYGINT_ISO_STDLIB_SYSTEM
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# ifdef CYGBLD_ISO_STDLIB_SYSTEM_HEADER
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# include CYGBLD_ISO_STDLIB_SYSTEM_HEADER
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| 317 |
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# else
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| 318 |
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| 319 |
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/* ISO C 7.10.4 - Communication with the environment */
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| 320 |
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| 321 |
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#ifdef __cplusplus
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| 322 |
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extern "C" {
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| 323 |
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#endif
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| 324 |
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| 325 |
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extern int
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| 326 |
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system( const char * /* command */ );
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| 327 |
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| 328 |
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#ifdef __cplusplus
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| 329 |
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} /* extern "C" */
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| 330 |
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#endif
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| 331 |
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| 332 |
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# endif
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| 333 |
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#endif
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| 334 |
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| 335 |
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/*==========================================================================*/
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| 336 |
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| 337 |
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#if CYGINT_ISO_BSEARCH
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| 338 |
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# ifdef CYGBLD_ISO_BSEARCH_HEADER
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| 339 |
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# include CYGBLD_ISO_BSEARCH_HEADER
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| 340 |
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# else
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| 341 |
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| 342 |
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/* ISO C 7.10.5 - Searching and sorting utilities */
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| 343 |
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| 344 |
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#ifdef __cplusplus
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| 345 |
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extern "C" {
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| 346 |
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#endif
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| 347 |
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| 348 |
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typedef int (*__bsearch_comparison_fn_t)(const void * /* object1 */,
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| 349 |
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const void * /* object2 */);
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| 350 |
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| 351 |
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extern void *
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| 352 |
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bsearch( const void * /* search_key */, const void * /* first_object */,
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| 353 |
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size_t /* num_objects */, size_t /* object_size */,
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| 354 |
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__bsearch_comparison_fn_t /* comparison_fn */ );
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| 355 |
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| 356 |
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#ifdef __cplusplus
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| 357 |
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} /* extern "C" */
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| 358 |
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#endif
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| 359 |
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| 360 |
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# endif
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| 361 |
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#endif
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| 362 |
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| 363 |
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/*==========================================================================*/
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| 364 |
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| 365 |
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#if CYGINT_ISO_QSORT
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| 366 |
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# ifdef CYGBLD_ISO_QSORT_HEADER
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| 367 |
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# include CYGBLD_ISO_QSORT_HEADER
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| 368 |
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# else
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| 369 |
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| 370 |
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/* ISO C 7.10.5 - Searching and sorting utilities */
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| 371 |
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| 372 |
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#ifdef __cplusplus
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| 373 |
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extern "C" {
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| 374 |
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#endif
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| 375 |
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| 376 |
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typedef int (*__qsort_comparison_fn_t)(const void * /* object1 */,
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| 377 |
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const void * /* object2 */);
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| 378 |
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| 379 |
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extern void
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| 380 |
|
|
qsort( void * /* first_object */, size_t /* num_objects */,
|
| 381 |
|
|
size_t /* object_size */, __qsort_comparison_fn_t /* comparison_fn */ );
|
| 382 |
|
|
|
| 383 |
|
|
#ifdef __cplusplus
|
| 384 |
|
|
} /* extern "C" */
|
| 385 |
|
|
#endif
|
| 386 |
|
|
|
| 387 |
|
|
# endif
|
| 388 |
|
|
#endif
|
| 389 |
|
|
|
| 390 |
|
|
/*======================================================================*/
|
| 391 |
|
|
|
| 392 |
|
|
#if CYGINT_ISO_ABS
|
| 393 |
|
|
# ifdef CYGBLD_ISO_STDLIB_ABS_HEADER
|
| 394 |
|
|
# include CYGBLD_ISO_STDLIB_ABS_HEADER
|
| 395 |
|
|
# else
|
| 396 |
|
|
|
| 397 |
|
|
/* TYPE DEFINITIONS */
|
| 398 |
|
|
|
| 399 |
|
|
/* ISO C 7.10 and 7.10.6 - Integer Arithmetic Functions */
|
| 400 |
|
|
|
| 401 |
|
|
#ifdef __cplusplus
|
| 402 |
|
|
extern "C" {
|
| 403 |
|
|
#endif
|
| 404 |
|
|
|
| 405 |
|
|
extern int
|
| 406 |
|
|
abs( int /* val */ ) __attribute__((__const__));
|
| 407 |
|
|
|
| 408 |
|
|
extern long
|
| 409 |
|
|
labs( long /* val */ ) __attribute__((__const__));
|
| 410 |
|
|
|
| 411 |
|
|
#ifdef __cplusplus
|
| 412 |
|
|
} /* extern "C" */
|
| 413 |
|
|
#endif
|
| 414 |
|
|
|
| 415 |
|
|
# endif
|
| 416 |
|
|
#endif
|
| 417 |
|
|
|
| 418 |
|
|
/*======================================================================*/
|
| 419 |
|
|
|
| 420 |
|
|
#if CYGINT_ISO_DIV
|
| 421 |
|
|
# ifdef CYGBLD_ISO_STDLIB_DIV_HEADER
|
| 422 |
|
|
# include CYGBLD_ISO_STDLIB_DIV_HEADER
|
| 423 |
|
|
# else
|
| 424 |
|
|
|
| 425 |
|
|
/* ISO C 7.10 and 7.10.6 - Integer Arithmetic Functions */
|
| 426 |
|
|
|
| 427 |
|
|
/* return type of the div() function */
|
| 428 |
|
|
|
| 429 |
|
|
typedef struct {
|
| 430 |
|
|
int quot; /* quotient */
|
| 431 |
|
|
int rem; /* remainder */
|
| 432 |
|
|
} div_t;
|
| 433 |
|
|
|
| 434 |
|
|
|
| 435 |
|
|
/* return type of the ldiv() function */
|
| 436 |
|
|
|
| 437 |
|
|
typedef struct {
|
| 438 |
|
|
long quot; /* quotient */
|
| 439 |
|
|
long rem; /* remainder */
|
| 440 |
|
|
} ldiv_t;
|
| 441 |
|
|
|
| 442 |
|
|
#ifdef __cplusplus
|
| 443 |
|
|
extern "C" {
|
| 444 |
|
|
#endif
|
| 445 |
|
|
|
| 446 |
|
|
extern div_t
|
| 447 |
|
|
div( int /* numerator */, int /* denominator */ ) __attribute__((__const__));
|
| 448 |
|
|
|
| 449 |
|
|
extern ldiv_t
|
| 450 |
|
|
ldiv( long /* numerator */, long /* denominator */ ) __attribute__((__const__));
|
| 451 |
|
|
|
| 452 |
|
|
#ifdef __cplusplus
|
| 453 |
|
|
} /* extern "C" */
|
| 454 |
|
|
#endif
|
| 455 |
|
|
|
| 456 |
|
|
# endif
|
| 457 |
|
|
#endif
|
| 458 |
|
|
|
| 459 |
|
|
/*==========================================================================*/
|
| 460 |
|
|
|
| 461 |
|
|
/* Maximum number of bytes in a multibyte character for the current locale */
|
| 462 |
|
|
|
| 463 |
|
|
#ifdef CYGBLD_ISO_STDLIB_MB_CUR_MAX_HEADER
|
| 464 |
|
|
# include CYGBLD_ISO_STDLIB_MB_CUR_MAX_HEADER
|
| 465 |
|
|
#else
|
| 466 |
|
|
# define MB_CUR_MAX 1
|
| 467 |
|
|
#endif
|
| 468 |
|
|
|
| 469 |
|
|
#if CYGINT_ISO_STDLIB_MULTIBYTE
|
| 470 |
|
|
# ifdef CYGBLD_ISO_STDLIB_MULTIBYTE_HEADER
|
| 471 |
|
|
# include CYGBLD_ISO_STDLIB_MULTIBYTE_HEADER
|
| 472 |
|
|
# else
|
| 473 |
|
|
|
| 474 |
|
|
/* ISO C 7.10.7 - Multibyte character functions */
|
| 475 |
|
|
|
| 476 |
|
|
|
| 477 |
|
|
#ifdef __cplusplus
|
| 478 |
|
|
extern "C" {
|
| 479 |
|
|
#endif
|
| 480 |
|
|
|
| 481 |
|
|
extern int
|
| 482 |
|
|
mblen( const char * /* s */, size_t /* n */ );
|
| 483 |
|
|
|
| 484 |
|
|
extern int
|
| 485 |
|
|
mbtowc( wchar_t * /* pwc */, const char * /* s */, size_t /* n */ );
|
| 486 |
|
|
|
| 487 |
|
|
extern int
|
| 488 |
|
|
wctomb( char * /* s */, wchar_t /* wchar */ );
|
| 489 |
|
|
|
| 490 |
|
|
extern size_t
|
| 491 |
|
|
mbstowcs( wchar_t * /* pwcs */, const char * /* s */, size_t /* n */ );
|
| 492 |
|
|
|
| 493 |
|
|
extern size_t
|
| 494 |
|
|
wcstombs( char * /* s */, const wchar_t * /* pwcs */, size_t /* n */ );
|
| 495 |
|
|
|
| 496 |
|
|
#ifdef __cplusplus
|
| 497 |
|
|
} /* extern "C" */
|
| 498 |
|
|
#endif
|
| 499 |
|
|
|
| 500 |
|
|
# endif
|
| 501 |
|
|
#endif
|
| 502 |
|
|
|
| 503 |
|
|
/*==========================================================================*/
|
| 504 |
|
|
|
| 505 |
|
|
#endif /* CYGONCE_ISO_STDLIB_H multiple inclusion protection */
|
| 506 |
|
|
|
| 507 |
|
|
/* EOF stdlib.h */
|
