strdup.c

来自「newos is new operation system」· C语言 代码 · 共 23 行

/* 
** Copyright 2004, Travis Geiselbrecht. All rights reserved.
** Distributed under the terms of the NewOS License.
*/
#include <stdlib.h>
#include <string.h>
#include <newos/types.h>

char *
strdup(const char *str)
{
	size_t len;
	char *copy;
	
	len = strlen(str) + 1;
	copy = malloc(len);
	if (copy == NULL)
		return NULL;
	memcpy(copy, str, len);
	return copy;
}