From 5323ea8eeb528fbd716e1f1c61187bc8668f86b2 Mon Sep 17 00:00:00 2001
From: Angel Dimitriev <achi_d@abv.bg>
Date: Sun, 3 Apr 2022 14:47:54 +0300
Subject: Add files via upload

---
 k_1_SI/task2_read.cpp | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 k_1_SI/task2_read.cpp

(limited to 'k_1_SI/task2_read.cpp')

diff --git a/k_1_SI/task2_read.cpp b/k_1_SI/task2_read.cpp
new file mode 100644
index 0000000..bf55be9
--- /dev/null
+++ b/k_1_SI/task2_read.cpp
@@ -0,0 +1,54 @@
+#include <iostream>
+#include <fstream>
+#include <cstring>
+using namespace std;
+
+const size_t MAX_NAME_SIZE = 22;
+struct Student
+{
+	char name[MAX_NAME_SIZE + 1];
+   	bool isMale;
+	size_t fn;
+};
+
+
+size_t getFileSize(ifstream& f)
+{
+	size_t currentPos = f.tellg();
+	f.seekg(0, ios::end);
+	size_t size = f.tellg();
+	
+	f.seekg(currentPos);
+	return size;
+}
+
+void readFromFile(Student*& ptr, size_t& studentsCount, ifstream& f)
+{
+	size_t sizeOfFile = getFileSize(f);
+	studentsCount = sizeOfFile / sizeof(Student);
+	ptr = new Student[studentsCount];
+	f.read((char*)ptr, sizeOfFile);
+}
+
+
+int main()
+{
+	Student* arr;
+	size_t count;
+	ifstream file("students.dat");
+			
+	if(!file.is_open())
+	{
+		std::cout << "Error while opening the file!" << std::endl;
+		return -1;
+	}
+		
+	readFromFile(arr, count, file);
+
+	for (int i = 0; i < count; i++)
+		std::cout << "Name: " << arr[i].name << ", fn: " << arr[i].fn << ", is male: " << arr[i].isMale << std::endl;
+	
+	delete[] arr;
+	
+	return 0;
+}
-- 
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