47 lines
956 B
C++
47 lines
956 B
C++
/*
|
|
Nome: Mario
|
|
Cognome: Montanari
|
|
Classe: 3AIN
|
|
Data: 13/05/2025
|
|
|
|
Dato un file di interi 32bit big-endian, traformarlo in little-endian.
|
|
*/
|
|
|
|
#include <iostream>
|
|
|
|
using namespace std;
|
|
|
|
int main(void) {
|
|
const char * inputFile = "interi_bigEndian.bin";
|
|
const char * outputFile = "interi_littleEndian.bin";
|
|
|
|
FILE * fileIn = fopen(inputFile, "rb");
|
|
|
|
if (fileIn != NULL) {
|
|
FILE * fileOut = fopen(outputFile, "wb");
|
|
|
|
if (fileOut != NULL) {
|
|
uint32_t numero;
|
|
|
|
while (fread(&numero, sizeof(numero), 1, fileIn) == 1) {
|
|
uint32_t converti =
|
|
((numero & 0x000000FF) << 24) |
|
|
((numero & 0x0000FF00) << 8) |
|
|
((numero & 0x00FF0000) >> 8) |
|
|
((numero & 0xFF000000) >> 24);
|
|
|
|
fwrite(&converti, sizeof(converti), 1, fileOut);
|
|
}
|
|
|
|
fclose(fileOut);
|
|
} else {
|
|
perror("Error (destination)");
|
|
}
|
|
|
|
fclose(fileIn);
|
|
} else {
|
|
perror("Error (source)");
|
|
}
|
|
|
|
return 0;
|
|
} |