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file/es1_binary.cpp

@@ -2,7 +2,7 @@
 AUTORE: Manuel Vichi 3^AIN
 Esercizio 1 File Binari
 */
-#include <iostream>
+#include <stdio.h>
 #include <stdbool.h>
 using namespace std;
 int writeBinary(char * const fileName, size_t elements) {

file/es2_binary.cpp

@@ -0,0 +1,31 @@
+/*
+AUTORE: Manuel Vichi 3^AIN
+Esercizio 2 File Binari
+*/
+#include <stdio.h>
+#include <stdbool.h>
+using namespace std;
+int readBinary(char * const fileName, int buffer[], size_t count) {
+	FILE* file = fopen(fileName, "rb");
+	if (file == NULL) {
+		perror("Errore nell'apertura del file di lettura");
+		return -1;
+	} else {
+		int read = fread(&buffer,sizeof(int),count,file);
+		fclose(file);
+		return read;
+	}
+	return -1;
+}
+int main(void) {
+	char file[] = "file_200.bin";
+	int arr[100];
+	size_t count = sizeof(arr) / sizeof(arr[0]);
+	printf("Valori letti dal file %s: %d\n",file,readBinary(file,arr,count));
+	printf("Valori letti: ");
+	for (size_t i = 0; i < count; i++) {
+		printf("%d ",arr[i]);
+	}
+	printf("\n");
+	return 0;
+}