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: http://www.jamesmolloy.co.uk/tutorial_html/7.-The%20Heap.html오류 : 예상 선언 지정자 또는 '...'before 'lessthen_predictable_t? 이 튜토리얼에 따라
나는 다음과 같은 오류가 있습니다 : 내 컴파일러에서
source/ordered_array.c: In function ‘insert_ordered_array’:
source/ordered_array.c:43:67: error: expected identifier before ‘[’ token
source/ordered_array.c:43:67: error: too few arguments to function ‘array->less_than’
make: *** [obj/ordered_array.o] Error 1
합니다. 내가 튜토리얼을 완전히 따라 했으므로 그 중 하나도 얻지 못한다.
은 여기에 파일이 연결되어 있습니다 :
ordered_array.h :
// ordered_array.h -- Interface for creating, inserting and deleting
// from ordered arrays.
// Written for JamesM's kernel development tutorials.
#ifndef ORDERED_ARRAY_H
#define ORDERED_ARRAY_H
#include "common.h"
/**
This array is insertion sorted - it always remains in a sorted state (between calls).
It can store anything that can be cast to a void* -- so a u32int, or any pointer.
**/
typedef void* type_t;
/**
A predicate should return nonzero if the first argument is less than the second. Else
it should return zero.
**/
typedef s8int (*lessthan_predicate_t)(type_t,type_t);
typedef struct
{
type_t *array;
u32int size;
u32int max_size;
lessthan_predicate_t less_than;
} ordered_array_t;
/**
A standard less than predicate.
**/
s8int standard_lessthan_predicate(type_t a, type_t b);
/**
Create an ordered array.
**/
ordered_array_t create_ordered_array(u32int max_size, lessthan_predicate_t less_than);
ordered_array_t place_ordered_array(void *addr, u32int max_size, lessthan_predicate_t less_than);
/**
Destroy an ordered array.
**/
void destroy_ordered_array(ordered_array_t *array);
/**
Add an item into the array.
**/
void insert_ordered_array(type_t item, ordered_array_t *array);
/**
Lookup the item at index i.
**/
type_t lookup_ordered_array(u32int i, ordered_array_t *array);
/**
Deletes the item at location i from the array.
**/
void remove_ordered_array(u32int i, ordered_array_t *array);
#endif // ORDERED_ARRAY_H
ordered_arrays.c : 내가 컴파일 오류를 받고 있어요 왜
// ordered_array.c -- Implementation for creating, inserting and deleting
// from ordered arrays.
// Written for JamesM's kernel development tutorials.
#include "ordered_array.h"
s8int standard_lessthan_predicate (type_t a, type_t b)
{
return (a < b) ? 1:0;
}
ordered_array_t create_ordered_array (u32int max_size, lessthan_predicate_t less_than )
{
ordered_array_t to_ret;
to_ret.array = (void*) kmalloc (max_size * sizeof (type_t)) ;
memset (to_ret.array, 0, max_size*sizeof (type_t));
to_ret.size = 0;
to_ret.max_size = max_size;
to_ret.less_than = less_than;
return to_ret;
}
ordered_array_t place_ordered_array (void *addr, u32int max_size, lessthan_predicate_t less_than)
{
ordered_array_t to_ret;
to_ret.array = (type_t *) addr;
memset (to_ret.array, 0, max_size*sizeof (type_t));
to_ret.size = 0;
to_ret.max_size = max_size;
to_ret.less_than = less_than;
return to_ret;
}
void destroy_ordered_array (ordered_array_t *array)
{
// kfree (array -> array);
}
void insert_ordered_array (type_t item, ordered_array_t *array)
{
ASSERT (array -> less_than);
u32int iterator = 0;
---------------------------------------Faulting Line------------------------------------
while (iterator < array -> size && array -> less_than (array ->[iterator], item) )
----------------------------------------------------------------------------------------
iterator++;
if (iterator == array -> size) // just add at the end of the array.
array -> array [array -> size++] = item;
else
{
type_t tmp = array -> array[iterator];
array -> array[iterator] = item;
while (iterator < array -> size)
{
iterator++;
type_t tmp2 = array -> array[iterator];
array -> array[iterator] = tmp;
tmp = tmp2;
}
array -> size++;
}
}
type_t lookup_order_array (u32int i, ordered_array_t *array)
{
ASSERT (i < array -> size);
return array -> array [i];
}
void remove_ordered_array (u32int i, ordered_array_t *array)
{
while (i < array -> size)
{
array -> array[i] = array -> array[i+1];
i++;
}
array -> size--;
}
어떤 생각이야?
lessthen_predictable_t를 lessthan_predicate_t로 변경 한 후 이번에는 더 작아졌지만 새로운 오류 목록이 나타납니다. –
이상하게 보입니다 : array -> [iterator], -> []? 이게 뭐라고 생각하니? – John3136
오류가 발생한 행으로 OP가 업데이트되었습니다. 그리고 '오류'는 어디에서 나타 났습니까? –