free 出于某种原因不会从内存中删除数组

Question

justSMTH

Asked:2023-12-22 00:46:40 +0000 UTC2023-12-22 00:46:40 +0000 UTC 2023-12-22 00:46:40 +0000 UTC

为什么我开始在所有具有结构的行上收到错误？

772

我有一个包含完全工作代码的文件，而我正在另一个文件中工作。在这两个文件中的某个时刻，代码开始抱怨所有结构。首先，我删除了新文件（那里没有做太多事情），但这没有帮助。这些文件不会相互交互。一般来说，VS 仅对那些调用结构的行给出错误。这是代码，其中

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <stdio.h>
#define MAX_SIZE_OF_MATRIX 3
#define MAX_SIZE_OF_VAL 4
typedef struct STR {
    int Val;
    int Row;
    STR* Next;
} STR;
typedef struct ListSTR {
    STR* row;
    struct ListSTR* Next;
} ListSTR;
void Add(STR** point, int Val, int Row) {
    STR* t = malloc(sizeof(STR));
    t->Row = Row;
    t->Val = Val;
    t->Next = NULL;
    STR** p = point;
    if (*p)
        for (p = &(*p)->Next; *p; p = &(*p)->Next);
    *p = t;
}
void AddToIndex(ListSTR** matrix, int index, int Val, int Row) {
    ListSTR** result = matrix;
    for (int i = 1; i <= index; i++) {
        if (*result) {
            result = &(*result)->Next;
        }
        else {
            printf("Error");
            exit(1);
        }
    }
    Add(&((*result)->row), Val, Row);
}
void clean(ListSTR* matrix, int ROWS) {
    ListSTR* matrixTemp;
    for (int i = 0; i < ROWS; i++) {
        matrixTemp = matrix;
        STR* point = matrixTemp->row;
        STR* pTemp;
        while (point) {
            pTemp = point;
            if (point->Next) {
                point = point->Next;
            }
            else {
                free(pTemp);
                break;
            }
            free(pTemp);
        }
        if (matrix->Next) {
            matrix = matrix->Next;
        }
        else {
            free(matrixTemp);
            break;
        }
        free(matrixTemp);
    }
}
int isNum(char c) {
    switch (c) {
    case '1':
        return 1;
    case '2':
        return 1;
    case '3':
        return 1;
    case '4':
        return 1;
    case '5':
        return 1;
    case '6':
        return 1;
    case '7':
        return 1;
    case '8':
        return 1;
    case '9':
        return 1;
    case '0':
        return 1;
    default:
        return 0;
    }
}
int isWhitespace(char c) {
    switch (c) {
    case' ':
        return 1;
    case'\n':
        return 1;
    case'\0':
        return 1;
    default:
        return 0;
    }
}
void GetRowsAndColums(char* filename, int* ROWS, int* COLUMNS) {
    FILE* fp = fopen(filename, "r");
    char rows[MAX_SIZE_OF_MATRIX];
    char c;
    while (isWhitespace(c = getc(fp))) {}
    int i = 0;
    while (1) {
        i = 0;
        if (isNum(c)) {
            rows[i++] = c; rows[i] = 0;
        }
        else if (isWhitespace(c)) {
            if (c == '\n') {
                printf("Error");
                exit(1);
            }
            *ROWS = strtol(rows, NULL, 10);
            break;
        }
        else {
            printf("Error");
            exit(1);
        }
        c = getc(fp);
    }
    while (isWhitespace(c = getc(fp))) {}
    char column[MAX_SIZE_OF_MATRIX];
    i = 0;
    while (1) {
        i = 0;
        if (isNum(c)) {
            column[i++] = c;  column[i] = 0;
        }
        else if (isWhitespace(c)) {
            *COLUMNS = strtol(column, NULL, 10);
            break;
        }
        else {
            printf("Error");
            exit(1);
        }
        c = getc(fp);
    }
    fclose(fp);
}
void TestAdd(ListSTR* matrix) {
    for (int i = 0; i < 3; i++) {
        matrix->row = (STR*)malloc(sizeof(STR));
        matrix->row->Row = i;
        matrix->row->Val = i + 1;
        matrix->row->Next = NULL;
        matrix = matrix->Next;
    }
}
void printMatrix(ListSTR* matrix, int ROWS, int COLUMNS) {
    STR* point;
    for (int i = 0; i < ROWS; i++) {
        point = matrix->row;
        int lastRow = -1;
        for (int j = 0; j < COLUMNS; j++) {
            if (point == NULL) {
                for (int k = 1; k < COLUMNS - lastRow; k++) {
                    printf("0 ");
                }
                break;
            }
            int Val = point->Val;
            int Row = point->Row;
            if (Row == 0) {
                printf("%d ", Val);
                lastRow = 0;
            }
            else if (Row >= COLUMNS) {
                printf("Error");
                exit(1);
            }
            else if (Row > lastRow) {
                for (int k = lastRow + 1; k < Row; k++) {
                    printf("0 ");
                }
                printf("%d ", Val);
                lastRow = Row;
            }
            else if (Row <= lastRow) {
                printf("Error");
                exit(1);
            }
            else {
                printf("%d ", Val);
            }
            point = point->Next;
        }
        printf("\n");
        matrix = matrix->Next;
    }
}
void Initialize(ListSTR* matrix, int ROWS) {
    if (ROWS == 1) {
        matrix->row = NULL;
        return;
    }
    else if (ROWS < 1) {
        printf("Error");
        exit(0);
    }
    for (int i = 0; i < ROWS; i++) {
        matrix->row = NULL;
        matrix->Next = malloc(sizeof(ListSTR));
        matrix = matrix->Next;
    }
    free(matrix);
}
void ReadMatrix(ListSTR* matrix, int ROWS, int COLUMNS, char* filename) {
    FILE* fp = fopen(filename, "r");
    char c;
    int count = 1;
    while (c = getc(fp) != '\n') {}
    while (1) {
        while (1) {
            int isNULL = 0;
            char val[MAX_SIZE_OF_VAL];
            while (isWhitespace(c = getc(fp))) {}
            int i = 0;
            int value;
            int row;
            while (1) {
                if (c == '-' && i == 0) {
                    val[i++] = c; val[i] = 0;
                }
                else if (isNum(c)) {
                    val[i++] = c; val[i] = 0;
                }
                else if (isWhitespace(c)) {
                    if (c == '\n') {
                        printf("Error");
                        exit(1);
                    }
                    value = strtol(val, NULL, 10);
                    break;
                }
                else if (c == 'N') {
                    if (matrix->row != NULL) {
                        printf("Error");
                        exit(1);
                    }
                    isNULL = 1;
                    break;
                }
                else {
                    printf("Error");
                    exit(1);
                }
                c = getc(fp);
            }
            while (isWhitespace(c = getc(fp))) {}
            char rows[MAX_SIZE_OF_MATRIX];
            i = 0;
            while (1) {
                if (isNULL) {
                    if (c == 'U') {
                        for (int i = 0; i < 2; i++) {
                            c = getc(fp);
                            if (c != 'L') {
                                printf("Error");
                                exit(1);
                            }
                        }
                        break;
                    }
                }
                if (isNum(c)) {
                    rows[i++] = c; rows[i] = 0;
                }
                else if (isWhitespace(c)) {
                    row = strtol(rows, NULL, 10);
                    if (row >= ROWS) {
                        printf("Error");
                        exit(1);
                    }
                    break;
                }
                else if (c == EOF) {
                    row = strtol(rows, NULL, 10);
                    if (row >= ROWS) {
                        printf("Error");
                        exit(1);
                    }
                    break;
                }
                else {
                    printf("Error");
                    exit(1);
                }
                c = getc(fp);
            }
            if (!isNULL) {
                Add(&(matrix->row), value, row);
            }
            else {
                break;
            }
            if (c == '\n' || c == EOF) {
                break;
            }
        }
        count++;
        if (count >= ROWS) {
            break;
        }
        matrix = matrix->Next;
    }
    fclose(fp);
}
void Transpose(ListSTR* matrix, ListSTR* result, int ROWS, int COLUMNS) {
    for (int i = 0; i < ROWS; i++) {
        if (matrix->row == NULL) {
            if (i < ROWS) {
                matrix = matrix->Next;
            }
            continue;
        }
        STR* point = matrix->row;
        while (1) {
            AddToIndex(&result, point->Row, point->Val, i);
            if (point->Next != NULL) {
                point = point->Next;
            }
            else {
                break;
            }
        }
        if (i < ROWS) {
            matrix = matrix->Next;
        }
    }
}
int Trans() {
    setlocale(LC_ALL, "Rus");
    int ROWS, COLUMNS;
    char* file = "Text.txt";
    GetRowsAndColums(file, &ROWS, &COLUMNS);
    ListSTR* matrix = malloc(sizeof(ListSTR));
    Initialize(matrix, ROWS);
    ListSTR* result = malloc(sizeof(ListSTR));
    Initialize(result, COLUMNS);
    ReadMatrix(matrix, ROWS, COLUMNS, file);
    printf("Матрица \n");
    printMatrix(matrix, ROWS, COLUMNS);
    Transpose(matrix, result, ROWS, COLUMNS);
    printf("Матрица транспонированная \n");
    printMatrix(result, COLUMNS, ROWS);
    clean(matrix, ROWS); clean(result, COLUMNS);
    return 0;
}

截图有一些错误

1 个回答

Voted

Harry · Answer 1 · 2023-12-22T01:04:12Z

Best Answer

Harry

2023-12-22T01:04:12Z2023-12-22T01:04:12Z

typedef struct STR {
    int Val;
    int Row;
    struct STR* Next;
} STR;

注意你错过的事情struct。

1

为什么我开始在所有具有结构的行上收到错误？

我看不懂措辞

请求的模块“del”不提供名为“default”的导出

"!+tab" 在 HTML 的 vs 代码中不起作用

我正在尝试解决“猜词”的问题。Python

可以使用哪些命令将当前指针移动到指定的提交而不更改工作目录中的文件？

Python解析野莓

问题：“警告：检查最新版本的 pip 时出错。”

帮助编写一个用值填充变量的循环。解决这个问题

尽管依赖数组为空，但在渲染上调用了 2 次 useEffect

数据不通过 Telegram.WebApp.sendData 发送

为什么我开始在所有具有结构的行上收到错误？

1 个回答

相关问题