21 Jun
2010
21 Jun
'10
7:57 p.m.
Author: tkreuzer
Date: Mon Jun 21 19:57:36 2010
New Revision: 47822
URL: http://svn.reactos.org/svn/reactos?rev=47822&view=rev
Log:
[CRT]
- Stubplement _controlfp_s, rand_s
- Implement _invalid_parameter, _get_invalid_parameter_handler,
_set_invalid_parameter_handler
- Implement memmove_s, strncpy_s
- sync heap.c with wine
Patch by Samuel Serapion
Modified:
trunk/reactos/lib/sdk/crt/crt.rbuild
trunk/reactos/lib/sdk/crt/float/i386/cntrlfp.c
trunk/reactos/lib/sdk/crt/math/rand.c
trunk/reactos/lib/sdk/crt/misc/stubs.c
trunk/reactos/lib/sdk/crt/stdlib/errno.c
trunk/reactos/lib/sdk/crt/wine/heap.c
Modified: trunk/reactos/lib/sdk/crt/crt.rbuild
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/sdk/crt/crt.rbuild?rev…
==============================================================================
--- trunk/reactos/lib/sdk/crt/crt.rbuild [iso-8859-1] (original)
+++ trunk/reactos/lib/sdk/crt/crt.rbuild [iso-8859-1] Mon Jun 21 19:57:36 2010
@@ -329,7 +329,6 @@
<file>gcvt.c</file>
<file>getenv.c</file>
<file>makepath.c</file>
- <file>malloc.c</file>
<file>mbtowc.c</file>
<file>mbstowcs.c</file>
<file>obsol.c</file>
Modified: trunk/reactos/lib/sdk/crt/float/i386/cntrlfp.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/sdk/crt/float/i386/cnt…
==============================================================================
--- trunk/reactos/lib/sdk/crt/float/i386/cntrlfp.c [iso-8859-1] (original)
+++ trunk/reactos/lib/sdk/crt/float/i386/cntrlfp.c [iso-8859-1] Mon Jun 21 19:57:36 2010
@@ -104,3 +104,25 @@
return flags;
}
+
+/*********************************************************************
+ * _controlfp_s (MSVCRT.@)
+ */
+int CDECL _controlfp_s(unsigned int *cur, unsigned int newval, unsigned int mask)
+{
+#ifdef __i386__
+ unsigned int flags;
+
+ FIXME("(%p %u %u) semi-stub\n", cur, newval, mask);
+
+ flags = _control87( newval, mask & ~_EM_DENORMAL );
+
+ if(cur)
+ *cur = flags;
+
+ return 0;
+#else
+ FIXME(":Not Implemented!\n");
+ return 0;
+#endif
+}
Modified: trunk/reactos/lib/sdk/crt/math/rand.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/sdk/crt/math/rand.c?re…
==============================================================================
--- trunk/reactos/lib/sdk/crt/math/rand.c [iso-8859-1] (original)
+++ trunk/reactos/lib/sdk/crt/math/rand.c [iso-8859-1] Mon Jun 21 19:57:36 2010
@@ -1,6 +1,6 @@
/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
#include <precomp.h>
-
+//#include <Ntsecapi.h>
#include <internal/tls.h>
/*
@@ -25,3 +25,18 @@
ThreadData->tnext = (ULONGLONG)seed;
}
+
+ /*********************************************************************
+ * rand_s (MSVCRT.@)
+ */
+int CDECL rand_s(unsigned int *pval)
+{
+#if 0
+ if (!pval || !RtlGenRandom(pval, sizeof(*pval)))
+ {
+ *_errno() = EINVAL;
+ return EINVAL;
+ }
+#endif
+ return 0;
+}
Modified: trunk/reactos/lib/sdk/crt/misc/stubs.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/sdk/crt/misc/stubs.c?r…
==============================================================================
--- trunk/reactos/lib/sdk/crt/misc/stubs.c [iso-8859-1] (original)
+++ trunk/reactos/lib/sdk/crt/misc/stubs.c [iso-8859-1] Mon Jun 21 19:57:36 2010
@@ -15,11 +15,6 @@
/* FIXME: This is probably data, not a function */
}
-void __p__amblksiz(void)
-{
- FIXME("__p__amblksiz stub\n");
-}
-
void __fileinfo(void)
{
FIXME("__fileinfo stub\n");
Modified: trunk/reactos/lib/sdk/crt/stdlib/errno.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/sdk/crt/stdlib/errno.c…
==============================================================================
--- trunk/reactos/lib/sdk/crt/stdlib/errno.c [iso-8859-1] (original)
+++ trunk/reactos/lib/sdk/crt/stdlib/errno.c [iso-8859-1] Mon Jun 21 19:57:36 2010
@@ -8,7 +8,10 @@
*/
#include <precomp.h>
#include "doserrmap.h"
+#include <errno.h>
#include <internal/wine/msvcrt.h>
+
+static _invalid_parameter_handler invalid_parameter_handler = NULL;
/*
* @implemented
@@ -113,4 +116,36 @@
SetErrorMode( mode );
}
+/******************************************************************************
+ * _invalid_parameter (MSVCRT.@)
+ */
+void __cdecl _invalid_parameter(const wchar_t *expr, const wchar_t *func,
+ const wchar_t *file, unsigned int line, uintptr_t
arg)
+{
+ if (invalid_parameter_handler) invalid_parameter_handler( expr, func, file, line, arg
);
+ else
+ {
+ ERR( "%s:%u %s: %s %lx\n", debugstr_w(file), line, debugstr_w(func),
debugstr_w(expr), arg );
+ RaiseException( STATUS_INVALID_CRUNTIME_PARAMETER, EXCEPTION_NONCONTINUABLE, 0,
NULL );
+ }
+}
+
+/* _get_invalid_parameter_handler - not exported in native msvcrt, added in msvcr80 */
+_invalid_parameter_handler CDECL _get_invalid_parameter_handler(void)
+{
+ TRACE("\n");
+ return invalid_parameter_handler;
+}
+
+/* _set_invalid_parameter_handler - not exproted in native msvcrt, added in msvcr80 */
+_invalid_parameter_handler CDECL _set_invalid_parameter_handler(
+ _invalid_parameter_handler handler)
+{
+ _invalid_parameter_handler old = invalid_parameter_handler;
+
+ TRACE("(%p)\n", handler);
+
+ invalid_parameter_handler = handler;
+ return old;
+}
/* EOF */
Modified: trunk/reactos/lib/sdk/crt/wine/heap.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/sdk/crt/wine/heap.c?re…
==============================================================================
--- trunk/reactos/lib/sdk/crt/wine/heap.c [iso-8859-1] (original)
+++ trunk/reactos/lib/sdk/crt/wine/heap.c [iso-8859-1] Mon Jun 21 19:57:36 2010
@@ -15,13 +15,14 @@
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* Note: Win32 heap operations are MT safe. We only lock the new
* handler and non atomic heap operations
*/
#include <precomp.h>
+#include <malloc.h>
/* MT */
#define LOCK_HEAP _mlock( _HEAP_LOCK )
@@ -29,47 +30,60 @@
/* _aligned */
#define SAVED_PTR(x) ((void *)((DWORD_PTR)((char *)x - sizeof(void *)) & \
- ~(sizeof(void *) - 1)))
+ ~(sizeof(void *) - 1)))
#define ALIGN_PTR(ptr, alignment, offset) ((void *) \
((((DWORD_PTR)((char *)ptr + alignment + sizeof(void *) + offset)) & \
~(alignment - 1)) - offset))
-typedef void (*MSVCRT_new_handler_func)(unsigned long size);
+typedef void (*MSVCRT_new_handler_func)(size_t size);
static MSVCRT_new_handler_func MSVCRT_new_handler;
static int MSVCRT_new_mode;
+/* FIXME - According to documentation it should be 8*1024, at runtime it returns 16 */
+static unsigned int MSVCRT_amblksiz = 16;
/* FIXME - According to documentation it should be 480 bytes, at runtime default is 0 */
static size_t MSVCRT_sbh_threshold = 0;
/*********************************************************************
* ??2@YAPAXI@Z (MSVCRT.@)
*/
-void* MSVCRT_operator_new(unsigned long size)
-{
- void *retval = malloc(size);
+void* CDECL MSVCRT_operator_new(size_t size)
+{
+ void *retval = HeapAlloc(GetProcessHeap(), 0, size);
TRACE("(%ld) returning %p\n", size, retval);
+ if(retval) return retval;
LOCK_HEAP;
- if(!retval && MSVCRT_new_handler)
+ if(MSVCRT_new_handler)
(*MSVCRT_new_handler)(size);
UNLOCK_HEAP;
return retval;
}
+
+/*********************************************************************
+ * ??2@YAPAXIHPBDH@Z (MSVCRT.@)
+ */
+void* CDECL MSVCRT_operator_new_dbg(size_t size, int type, const char *file, int line)
+{
+ return MSVCRT_operator_new( size );
+}
+
+
/*********************************************************************
* ??3@YAXPAX@Z (MSVCRT.@)
*/
-void MSVCRT_operator_delete(void *mem)
+void CDECL MSVCRT_operator_delete(void *mem)
{
TRACE("(%p)\n", mem);
- free(mem);
+ HeapFree(GetProcessHeap(), 0, mem);
}
/*********************************************************************
* ?_query_new_handler@@YAP6AHI@ZXZ (MSVCRT.@)
*/
-MSVCRT_new_handler_func MSVCRT__query_new_handler(void)
+MSVCRT_new_handler_func CDECL MSVCRT__query_new_handler(void)
{
return MSVCRT_new_handler;
}
@@ -78,7 +92,7 @@
/*********************************************************************
* ?_query_new_mode@@YAHXZ (MSVCRT.@)
*/
-int MSVCRT__query_new_mode(void)
+int CDECL MSVCRT__query_new_mode(void)
{
return MSVCRT_new_mode;
}
@@ -86,7 +100,7 @@
/*********************************************************************
* ?_set_new_handler@@YAP6AHI@ZP6AHI@Z@Z (MSVCRT.@)
*/
-MSVCRT_new_handler_func MSVCRT__set_new_handler(MSVCRT_new_handler_func func)
+MSVCRT_new_handler_func CDECL MSVCRT__set_new_handler(MSVCRT_new_handler_func func)
{
MSVCRT_new_handler_func old_handler;
LOCK_HEAP;
@@ -99,7 +113,7 @@
/*********************************************************************
* ?set_new_handler@@YAP6AXXZP6AXXZ@Z (MSVCRT.@)
*/
-MSVCRT_new_handler_func MSVCRT_set_new_handler(void *func)
+MSVCRT_new_handler_func CDECL MSVCRT_set_new_handler(void *func)
{
TRACE("(%p)\n",func);
MSVCRT__set_new_handler(NULL);
@@ -109,7 +123,7 @@
/*********************************************************************
* ?_set_new_mode@@YAHH@Z (MSVCRT.@)
*/
-int MSVCRT__set_new_mode(int mode)
+int CDECL MSVCRT__set_new_mode(int mode)
{
int old_mode;
LOCK_HEAP;
@@ -119,45 +133,216 @@
return old_mode;
}
-int CDECL _callnewh(unsigned long size)
-{
- if(MSVCRT_new_handler)
- (*MSVCRT_new_handler)(size);
- return 0;
-}
-
-/*********************************************************************
- * _get_sbh_threshold (MSVCRT.@)
- */
-size_t CDECL _get_sbh_threshold(void)
-{
- return MSVCRT_sbh_threshold;
-}
-
-/*********************************************************************
- * _set_sbh_threshold (MSVCRT.@)
- */
-int CDECL _set_sbh_threshold(size_t threshold)
-{
- if(threshold > 1016)
- return 0;
- else
- MSVCRT_sbh_threshold = threshold;
- return 1;
-}
-
-/*********************************************************************
- * _heapadd (MSVCRT.@)
- */
-int _heapadd(void* mem, size_t size)
-{
- TRACE("(%p,%d) unsupported in Win32\n", mem,size);
+/*********************************************************************
+ * _callnewh (MSVCRT.@)
+ */
+int CDECL _callnewh(size_t size)
+{
+ if(MSVCRT_new_handler)
+ (*MSVCRT_new_handler)(size);
+ return 0;
+}
+
+/*********************************************************************
+ * _expand (MSVCRT.@)
+ */
+void* CDECL _expand(void* mem, size_t size)
+{
+ return HeapReAlloc(GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY, mem, size);
+}
+
+/*********************************************************************
+ * _heapchk (MSVCRT.@)
+ */
+int CDECL _heapchk(void)
+{
+ if (!HeapValidate( GetProcessHeap(), 0, NULL))
+ {
+ __set_errno(GetLastError());
+ return _HEAPBADNODE;
+ }
+ return _HEAPOK;
+}
+
+/*********************************************************************
+ * _heapmin (MSVCRT.@)
+ */
+int CDECL _heapmin(void)
+{
+ if (!HeapCompact( GetProcessHeap(), 0 ))
+ {
+ if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
+ __set_errno(GetLastError());
+ return -1;
+ }
+ return 0;
+}
+
+/*********************************************************************
+ * _heapwalk (MSVCRT.@)
+ */
+int CDECL _heapwalk(_HEAPINFO* next)
+{
+ PROCESS_HEAP_ENTRY phe;
+
+ LOCK_HEAP;
+ phe.lpData = next->_pentry;
+ phe.cbData = next->_size;
+ phe.wFlags = next->_useflag == _USEDENTRY ? PROCESS_HEAP_ENTRY_BUSY : 0;
+
+ if (phe.lpData && phe.wFlags & PROCESS_HEAP_ENTRY_BUSY &&
+ !HeapValidate( GetProcessHeap(), 0, phe.lpData ))
+ {
+ UNLOCK_HEAP;
+ __set_errno(GetLastError());
+ return _HEAPBADNODE;
+ }
+
+ do
+ {
+ if (!HeapWalk( GetProcessHeap(), &phe ))
+ {
+ UNLOCK_HEAP;
+ if (GetLastError() == ERROR_NO_MORE_ITEMS)
+ return _HEAPEND;
+ __set_errno(GetLastError());
+ if (!phe.lpData)
+ return _HEAPBADBEGIN;
+ return _HEAPBADNODE;
+ }
+ } while (phe.wFlags & (PROCESS_HEAP_REGION|PROCESS_HEAP_UNCOMMITTED_RANGE));
+
+ UNLOCK_HEAP;
+ next->_pentry = phe.lpData;
+ next->_size = phe.cbData;
+ next->_useflag = phe.wFlags & PROCESS_HEAP_ENTRY_BUSY ? _USEDENTRY :
_FREEENTRY;
+ return _HEAPOK;
+}
+
+/*********************************************************************
+ * _heapset (MSVCRT.@)
+ */
+int CDECL _heapset(unsigned int value)
+{
+ int retval;
+ _HEAPINFO heap;
+
+ memset( &heap, 0, sizeof(heap) );
+ LOCK_HEAP;
+ while ((retval = _heapwalk(&heap)) == _HEAPOK)
+ {
+ if (heap._useflag == _FREEENTRY)
+ memset(heap._pentry, value, heap._size);
+ }
+ UNLOCK_HEAP;
+ return retval == _HEAPEND? _HEAPOK : retval;
+}
+
+/*********************************************************************
+ * _heapadd (MSVCRT.@)
+ */
+int CDECL _heapadd(void* mem, size_t size)
+{
+ TRACE("(%p,%ld) unsupported in Win32\n", mem,size);
*_errno() = ENOSYS;
return -1;
}
+/*********************************************************************
+ * _heapadd (MSVCRT.@)
+ */
+intptr_t CDECL _get_heap_handle(void)
+{
+ return (intptr_t)GetProcessHeap();
+}
+
+/*********************************************************************
+ * _msize (MSVCRT.@)
+ */
+size_t CDECL _msize(void* mem)
+{
+ size_t size = HeapSize(GetProcessHeap(),0,mem);
+ if (size == ~(size_t)0)
+ {
+ WARN(":Probably called with non wine-allocated memory, ret = -1\n");
+ /* At least the Win32 crtdll/msvcrt also return -1 in this case */
+ }
+ return size;
+}
+
+/*********************************************************************
+ * calloc (MSVCRT.@)
+ */
+void* CDECL calloc(size_t size,size_t count)
+{
+ return HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size * count );
+}
+
+/*********************************************************************
+ * free (MSVCRT.@)
+ */
+void CDECL free(void* ptr)
+{
+ HeapFree(GetProcessHeap(),0,ptr);
+}
+
+/*********************************************************************
+ * malloc (MSVCRT.@)
+ */
+void* CDECL malloc(size_t size)
+{
+ void *ret = HeapAlloc(GetProcessHeap(),0,size);
+ if (!ret)
+ *_errno() = ENOMEM;
+ return ret;
+}
+
+/*********************************************************************
+ * realloc (MSVCRT.@)
+ */
+void* CDECL realloc(void* ptr, size_t size)
+{
+ if (!ptr) return malloc(size);
+ if (size) return HeapReAlloc(GetProcessHeap(), 0, ptr, size);
+ free(ptr);
+ return NULL;
+}
+
+/*********************************************************************
+ * __p__amblksiz (MSVCRT.@)
+ */
+unsigned int* CDECL __p__amblksiz(void)
+{
+ return &MSVCRT_amblksiz;
+}
+
+/*********************************************************************
+ * _get_sbh_threshold (MSVCRT.@)
+ */
+size_t CDECL _get_sbh_threshold(void)
+{
+ return MSVCRT_sbh_threshold;
+}
+
+/*********************************************************************
+ * _set_sbh_threshold (MSVCRT.@)
+ */
+int CDECL _set_sbh_threshold(size_t threshold)
+{
+ if(threshold > 1016)
+ return 0;
+ else
+ MSVCRT_sbh_threshold = threshold;
+ return 1;
+}
+
+/*********************************************************************
+ * _aligned_free (MSVCRT.@)
+ */
void CDECL _aligned_free(void *memblock)
{
+ TRACE("(%p)\n", memblock);
+
if (memblock)
{
void **saved = SAVED_PTR(memblock);
@@ -165,9 +350,13 @@
}
}
+/*********************************************************************
+ * _aligned_offset_malloc (MSVCRT.@)
+ */
void * CDECL _aligned_offset_malloc(size_t size, size_t alignment, size_t offset)
{
void *memblock, *temp, **saved;
+ TRACE("(%lu, %lu, %lu)\n", size, alignment, offset);
/* alignment must be a power of 2 */
if ((alignment & (alignment - 1)) != 0)
@@ -204,16 +393,24 @@
return memblock;
}
+/*********************************************************************
+ * _aligned_malloc (MSVCRT.@)
+ */
void * CDECL _aligned_malloc(size_t size, size_t alignment)
{
+ TRACE("(%lu, %lu)\n", size, alignment);
return _aligned_offset_malloc(size, alignment, 0);
}
+/*********************************************************************
+ * _aligned_offset_realloc (MSVCRT.@)
+ */
void * CDECL _aligned_offset_realloc(void *memblock, size_t size,
size_t alignment, size_t offset)
{
void * temp, **saved;
size_t old_padding, new_padding, old_size;
+ TRACE("(%p, %lu, %lu, %lu)\n", memblock, size, alignment, offset);
if (!memblock)
return _aligned_offset_malloc(size, alignment, offset);
@@ -244,7 +441,6 @@
/* make sure alignment and offset didn't change */
saved = SAVED_PTR(memblock);
-
if (memblock != ALIGN_PTR(*saved, alignment, offset))
{
*_errno() = EINVAL;
@@ -255,7 +451,7 @@
/* Get previous size of block */
old_size = _msize(*saved);
- if (old_size == (size_t)-1)
+ if (old_size == -1)
{
/* It seems this function was called with an invalid pointer. Bail out. */
return NULL;
@@ -283,47 +479,116 @@
new_padding = (char *)memblock - (char *)temp;
- /*
- Memory layout of old block is as follows:
- +-------+---------------------+-+--------------------------+-----------+
- | ... | "old_padding" bytes | | ... "old_size" bytes ... |
... |
- +-------+---------------------+-+--------------------------+-----------+
- ^ ^ ^
- | | |
- *saved saved memblock
-
-
- Memory layout of new block is as follows:
- +-------+-----------------------------+-+----------------------+-------+
- | ... | "new_padding" bytes | | ... "size" bytes ... |
... |
- +-------+-----------------------------+-+----------------------+-------+
- ^ ^ ^
- | | |
- temp saved memblock
-
- However, in the new block, actual data is still written as follows
- (because it was copied by MSVCRT_realloc):
- +-------+---------------------+--------------------------------+-------+
- | ... | "old_padding" bytes | ... "old_size" bytes ... |
... |
- +-------+---------------------+--------------------------------+-------+
- ^ ^ ^
- | | |
- temp saved memblock
-
- Therefore, min(old_size,size) bytes of actual data have to be moved
- from the offset they were at in the old block (temp + old_padding),
- to the offset they have to be in the new block (temp + new_padding == memblock).
- */
-
+/*
+ Memory layout of old block is as follows:
+ +-------+---------------------+-+--------------------------+-----------+
+ | ... | "old_padding" bytes | | ... "old_size" bytes ... |
... |
+ +-------+---------------------+-+--------------------------+-----------+
+ ^ ^ ^
+ | | |
+ *saved saved memblock
+
+ Memory layout of new block is as follows:
+ +-------+-----------------------------+-+----------------------+-------+
+ | ... | "new_padding" bytes | | ... "size" bytes ... |
... |
+ +-------+-----------------------------+-+----------------------+-------+
+ ^ ^ ^
+ | | |
+ temp saved memblock
+
+ However, in the new block, actual data is still written as follows
+ (because it was copied by MSVCRT_realloc):
+ +-------+---------------------+--------------------------------+-------+
+ | ... | "old_padding" bytes | ... "old_size" bytes ... |
... |
+ +-------+---------------------+--------------------------------+-------+
+ ^ ^ ^
+ | | |
+ temp saved memblock
+
+ Therefore, min(old_size,size) bytes of actual data have to be moved
+ from the offset they were at in the old block (temp + old_padding),
+ to the offset they have to be in the new block (temp + new_padding == memblock).
+*/
if (new_padding != old_padding)
memmove((char *)memblock, (char *)temp + old_padding, (old_size < size) ?
old_size : size);
*saved = temp;
return memblock;
- }
-
+}
+
+/*********************************************************************
+ * _aligned_realloc (MSVCRT.@)
+ */
void * CDECL _aligned_realloc(void *memblock, size_t size, size_t alignment)
{
+ TRACE("(%p, %lu, %lu)\n", memblock, size, alignment);
return _aligned_offset_realloc(memblock, size, alignment, 0);
}
+
+/*********************************************************************
+ * memmove_s (MSVCRT.@)
+ */
+int CDECL memmove_s(void *dest, size_t numberOfElements, const void *src, size_t count)
+{
+ TRACE("(%p %lu %p %lu)\n", dest, numberOfElements, src, count);
+
+ if(!count)
+ return 0;
+
+ if(!dest || !src) {
+ if(dest)
+ memset(dest, 0, numberOfElements);
+
+ *_errno() = EINVAL;
+ return EINVAL;
+ }
+
+ if(count > numberOfElements) {
+ memset(dest, 0, numberOfElements);
+
+ *_errno() = ERANGE;
+ return ERANGE;
+ }
+
+ memmove(dest, src, count);
+ return 0;
+}
+
+/*********************************************************************
+ * strncpy_s (MSVCRT.@)
+ */
+int CDECL strncpy_s(char *dest, size_t numberOfElements,
+ const char *src, size_t count)
+{
+ size_t i, end;
+
+ TRACE("(%s %lu %s %lu)\n", dest, numberOfElements, src, count);
+
+ if(!count)
+ return 0;
+
+ if(!dest || !src || !numberOfElements) {
+ _invalid_parameter(NULL, NULL, NULL, 0, 0);
+ *_errno() = EINVAL;
+ return EINVAL;
+ }
+
+ if(count!=_TRUNCATE && count<numberOfElements)
+ end = count;
+ else
+ end = numberOfElements-1;
+
+ for(i=0; i<end && src[i]; i++)
+ dest[i] = src[i];
+
+ if(!src[i] || end==count || count==_TRUNCATE) {
+ dest[i] = '\0';
+ return 0;
+ }
+
+ _invalid_parameter(NULL, NULL, NULL, 0, 0);
+ dest[0] = '\0';
+ *_errno() = EINVAL;
+ return EINVAL;
+}