#include <stdlib.h>

#include <string.h>

#include <gclib/mem.h>

#include <gclib/strfuncs.h>

/*

 * Like strndup, but only returns NULL if str is NULL.

 * Note that this routine copies n bytes rather than n characters.

 */

char *str_ndup(const char *str,size_t n)

{

    char *dup;

    if (!str)

	return NULL;

    dup=mem_alloc0(n+1,1);

    strncpy(dup,str,n);

    return dup;

}

/*

 * Like strdup, but only returns NULL if str is NULL.

 */

char *str_dup(const char *str)

{

    return str_ndup(str,strlen(str));

}