home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Tricks of the Windows Gam…ming Gurus (2nd Edition)
/
Disc2.iso
/
vc98
/
crt
/
src
/
wcsdup.c
< prev
next >
Wrap
C/C++ Source or Header
|
1998-06-17
|
1KB
|
56 lines
/***
*wcsdup.c - duplicate a wide-character string in malloc'd memory
*
* Copyright (c) 1985-1997, Microsoft Corporation. All rights reserved.
*
*Purpose:
* defines _wcsdup() - grab new memory, and duplicate the string into it
* (wide-character).
*
*******************************************************************************/
#include <cruntime.h>
#include <malloc.h>
#include <string.h>
/***
*wchar_t *_wcsdup(string) - duplicate string into malloc'd memory
*
*Purpose:
* Allocates enough storage via malloc() for a copy of the
* string, copies the string into the new memory, and returns
* a pointer to it (wide-character).
*
*Entry:
* wchar_t *string - string to copy into new memory
*
*Exit:
* returns a pointer to the newly allocated storage with the
* string in it.
*
* returns NULL if enough memory could not be allocated, or
* string was NULL.
*
*Uses:
*
*Exceptions:
*
*******************************************************************************/
wchar_t * __cdecl _wcsdup (
const wchar_t * string
)
{
wchar_t *memory;
if (!string)
return(NULL);
if (memory = (wchar_t *) malloc((wcslen(string)+1) * sizeof(wchar_t)))
return(wcscpy(memory,string));
return(NULL);
}