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/***
*strdup.c - duplicate a string in malloc'd memory
*
* Copyright (c) 1985-1991, Microsoft Corporation. All rights reserved.
*
*Purpose:
* defines _strdup() - grab new memory, and duplicate the string into it.
*
*Revision History:
* 05-31-89 JCR C version created.
* 02-27-90 GJF Fixed calling type, #include <cruntime.h>, fixed
* copyright.
* 08-14-90 SBM Removed now redundant #include <stddef.h>
* 10-02-90 GJF New-style function declarator.
* 01-18-91 GJF ANSI naming.
*
*******************************************************************************/
#include <cruntime.h>
#include <malloc.h>
#include <string.h>
/***
*char *_strdup(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.
*
*Entry:
* char *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:
*
*******************************************************************************/
char * _CALLTYPE1 _strdup (
const char * string
)
{
char *memory;
if (!string)
return(NULL);
if (memory = malloc(strlen(string) + 1))
return(strcpy(memory,string));
return(NULL);
}
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