к/р 1.2 задача 3

semester_1/kr1.2/task3/CMakeLists.txt

@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.0.0)
+project(task3 VERSION 0.1.0 LANGUAGES C)
+
+include(CTest)
+enable_testing()
+
+add_executable(task3 main.c
+read/read.c
+tests/test.c)
+
+set(CPACK_PROJECT_NAME ${PROJECT_NAME})
+set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
+include(CPack)

semester_1/kr1.2/task3/file.txt

@@ -0,0 +1,6 @@
+aafgbbbaaaaiiiiiiefkjg;dfaghpdufdahhghhghhhhhghdghrhiag'ffdgsz
+fsdgsyjukhgfretfdsf
+
+
+
+hytjhkytresdsxzdfggggghhhhhhrrrrr

semester_1/kr1.2/task3/main.c

@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "read/read.h"
+#include "tests/test.h"
+
+#define PROGRAM_FINISHED_CORRECTLY 0
+#define PROGRAM_FAILED_TESTS 1
+#define MEMORY_ERROR 2
+#define FILE_READING_ERROR 3
+
+#define FILENAME "../file.txt"
+
+int main(void)
+{
+    // if (!test())
+    // {
+    //     printf("Программа сейчас не работает\n");
+    //     return PROGRAM_FAILED_TESTS;
+    // }
+
+    FILE *file = fopen(FILENAME, "r");
+    if (file == NULL)
+    {
+        printf("Не удается получить доступ к файлу\n");
+        return FILE_READING_ERROR;
+    }
+
+
+    size_t len = 0;
+    char *text = getString(&len, file, EOF);
+    fclose(file);
+    if (text == NULL)
+    {
+        printf("Закончилась память\n");
+        return MEMORY_ERROR;
+    }
+    printf("%s\n", text);
+    free(text);
+}

semester_1/kr1.2/task3/read/read.c

@@ -0,0 +1,52 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "read.h"
+
+char *getString(size_t *const len, FILE *file, char const endOfLine);
+{
+    *len = 0;
+    size_t capacity = 1;
+    char *s = (char *)malloc(sizeof(char));
+    if (s == NULL)
+    {
+        return NULL;
+    }
+    char previousChar = '\0';
+    for (char c = fgetc(file); c != endOfLine && c != EOF; c = fgetc(file))
+    {
+        if (c != previousChar)
+        {
+            s[(*len)++] = c;
+
+            if (*len >= capacity)
+            {
+                capacity *= 2;
+                char *tmp = (char *)realloc(s, capacity * sizeof(char));
+                if (tmp == NULL)
+                {
+                    free(s);
+                    return NULL;
+                }
+                s = tmp;
+            }
+            previousChar = c;
+        }
+    }
+
+    s[*len] = '\0';
+
+    return s;
+}
+
+char *copyString(char const *const string)
+{
+    const size_t len = strlen(string);
+    char *copy = (char *)malloc(len * sizeof(char));
+    if (copy != NULL)
+    {
+        strcpy(copy, string);
+    }
+    return copy;
+}

semester_1/kr1.2/task3/read/read.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include <stdbool.h>
+#include <string.h>
+#include <stdio.h>
+
+char *getString(size_t * const len, FILE * file, char const endOfLine);
+char *copyString(char const * const string);

semester_1/kr1.2/task3/tests/test.c

@@ -0,0 +1,57 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "test.h"
+#include "../read/read.h"
+
+const bool testCase(char const *const testFileName, char const *const answerFileName)
+{
+    FILE *file = fopen(testFileName, "r");
+    if (file == NULL)
+    {
+        return false;
+    }
+    size_t len = 0;
+    char *str = getString(&len, file, EOF);
+    fclose(file);
+    if (str == NULL)
+    {
+        return false;
+    }
+    FILE *answerFile = fopen(answerFileName, "r");
+    if (answerFile == NULL)
+    {
+        free(str);
+        return false;
+    }
+    char *str2 = getString(&len, answerFile, EOF);
+    fclose(answerFile);
+    if (str2 == NULL)
+    {
+        free(str);
+        return false;
+    }
+    bool answer = strcmp(str, str2) == 0;
+    free(str);
+    free(str2);
+    return answer;
+}
+
+const bool test(void)
+{
+    const size_t testNumber = 3;
+    char const *const testFileNames[testNumber] = {"../tests/testFile1.txt", "../tests/testFile2.txt", "../tests/testFile3.txt"};
+    char const *const answerFileNames[testNumber] = {"../tests/answerFile1.txt",
+                                                     "../tests/answerFile1.txt",
+                                                     "../tests/answerFile1.txt"};
+
+    for (size_t i = 0; i < testNumber; ++i)
+    {
+        if (!testCase(testFileNames[i], answerFileNames[i]))
+        {
+            return false;
+        }
+    }
+    return true;
+}

semester_1/kr1.2/task3/tests/test.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <stdbool.h>
+
+const bool test(void);