genericopenlibs/cstdlib/USTLIB/UALLOC.CPP
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     1 // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include <e32std.h>
       
    17 #include <stdlib_r.h>
       
    18 
       
    19 // We use the EPOC32 memory allocation which is already
       
    20 // thread-safe, so we don't need the _malloc_r variants
       
    21 
       
    22 extern "C" {
       
    23 
       
    24 EXPORT_C void* malloc (size_t nbytes)
       
    25 	{
       
    26 	return User::Alloc(nbytes);
       
    27 	}
       
    28 
       
    29 EXPORT_C void* realloc (void *p, size_t nbytes)
       
    30 	{
       
    31 	return User::ReAlloc(p, nbytes);
       
    32 	}
       
    33 
       
    34 EXPORT_C void free (void *p)
       
    35 	{
       
    36 	User::Free(p);
       
    37 	}
       
    38 
       
    39 #ifdef EKA2
       
    40 EXPORT_C void* _placeholder_memmove (void* to, const void* from, size_t len)
       
    41 #else
       
    42 EXPORT_C void* memmove (void* to, const void* from, size_t len)
       
    43 #endif
       
    44 	{
       
    45 	Mem::Copy(to, from, len);		// E32 unaligned careful copy
       
    46 	return to;
       
    47 	}
       
    48 
       
    49 #ifdef EKA2
       
    50 EXPORT_C void* _placeholder_memset (void* to, int c, size_t len)
       
    51 #else
       
    52 EXPORT_C void* memset (void* to, int c, size_t len)
       
    53 #endif
       
    54 	{
       
    55 	Mem::Fill(to,len,c);
       
    56 	return to;
       
    57 	}
       
    58 
       
    59 EXPORT_C void* calloc (size_t n, size_t size)
       
    60     {
       
    61     n *= size;
       
    62     void *ret = User::Alloc(n);
       
    63     if (ret == 0)
       
    64 	return 0;
       
    65     Mem::FillZ(ret,n);
       
    66     return ret;
       
    67     }
       
    68 
       
    69 EXPORT_C size_t strlen (const char *str)
       
    70     {
       
    71     return User::StringLength((TUint8*)str);
       
    72     }
       
    73 
       
    74 EXPORT_C size_t wcslen (const wchar_t *str)
       
    75     {
       
    76     return User::StringLength((TUint16*)str);
       
    77     }
       
    78 
       
    79 EXPORT_C unsigned int sleep (unsigned int secs)
       
    80 	{
       
    81 	// we don't allow the possibility of being woken by signals
       
    82 	User::After(secs*1000000);
       
    83 	return 0;
       
    84 	}
       
    85 
       
    86 } // extern "C"