Upload files to "verifica_6"
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/*
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AUTORE: Manuel Vichi
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Verifica di Informatica sui file binari
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*/
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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typedef struct {
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int a;
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float b;
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} Struct3;
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typedef struct {
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char nome[12];
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int eta;
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float altezza;
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} Struct6;
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int main(void) {
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// Inizio del Programma: Apertura del file //
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FILE* file = fopen("file_3.txt","rb");
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if (file == NULL) {
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perror("Errore durante l'apertura del file in lettura");
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return -1;
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}
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// Esercizio 1 //
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rewind(file);
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fseek(file,295,SEEK_SET);
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int int1 = 0;
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fread(&int1,sizeof(int),1,file);
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printf("%d\n",int1);
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// Esercizio 2 //
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rewind(file);
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fseek(file,360,SEEK_SET);
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int offset2 = 0;
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fread(&offset2,sizeof(int),1,file);
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rewind(file);
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//printf("%d\n",offset2);
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fseek(file,offset2,SEEK_SET);
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int int2 = 0;
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fread(&int2,sizeof(int),1,file);
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printf("%d\n",int2);
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// Esercizio 3 //
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rewind(file);
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fseek(file,491,SEEK_SET);
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Struct3 struct3;
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fread(&struct3,sizeof(struct3),1,file);
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printf("%d %f\n",struct3.a,struct3.b);
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// Esercizio 4 //
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rewind(file);
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fseek(file,491,SEEK_SET);
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char stringa4[16];
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fread(&stringa4,sizeof(stringa4),1,file);
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printf("%s\n",stringa4);
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// Esercizio 6 //
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rewind(file);
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fseek(file,837,SEEK_SET);
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Struct6 struct6[10];
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fread(&struct6,sizeof(Struct6),10,file);
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FILE* file6 = fopen("file6.txt","wt");
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if (file6 == NULL) {
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perror("Errore durante l'apertura del file in scrittura");
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fclose(file);
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return -1;
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}
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for (int i = 0; i < 9; i++) {
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fprintf(file6,"%s %d %f\n",struct6[i].nome, struct6[i].eta, struct6[i].altezza);
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}
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fprintf(file6,"%s %d %f",struct6[9].nome, struct6[9].eta, struct6[9].altezza);
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fclose(file6);
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file6 = fopen("file6.txt","rb");
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uint8_t buffer[256];
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uint8_t checksum = 0;
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int read = fread(&buffer,sizeof(uint8_t),256,file6);
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if (read == 0) {
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perror("Errore durante la lettura");
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fclose(file);
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fclose(file6);
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return -1;
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}
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for (int i = 0; i < read; i++) {
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checksum += buffer[i];
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}
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printf("%d\n",checksum);
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fclose(file6);
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// Fine del programma: chiusura del file di lettura e scrittura dei risultati su un file txt //
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fclose(file);
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FILE* results = fopen("results.txt","wt");
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if (file == NULL) {
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perror("Errore durante l'apertura del file dei risultati");
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return -1;
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}
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fprintf(results, "int1: %d\n",int1);
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fprintf(results, "int2: %d\n",int2);
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fprintf(results, "a: %d; b : %f\n",struct3.a,struct3.b);
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fprintf(results, "stringa4: %s\n",stringa4);
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fprintf(results, "checksum: %d\n",checksum);
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fclose(results);
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return 0;
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}
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@ -0,0 +1,10 @@
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kjCPsXriV0 R ðRHLHOBmebXc1 Æ @j5GrYEBtANhR2 BA €ÁBGjmPHRzxhT3 ¢õ €{GXKvZxmEpn4 Êæ @GOgSTAjlpP5 ÀHÛGYZdFvzhaQ6 H <20>iHbwjZPHBoR7 Ÿ ‹¿GnaJhYXbQD8 Í} €ŒíFaDOKEFcme9 í<> ÒHŽ* @\éÇ|G”GÜFVŽ* @\éÇ 537350659 215551.750000
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LHOBmebXc1 Æ @j5GrYEBtANhR2 BA €ÁBGjmPHRzxhT3 ¢õ €{GXKvZxmEpn4 Êæ @GOgSTAjlpP5 ÀHÛGYZdFvzhaQ6 H <20>iHbwjZPHBoR7 Ÿ ‹¿GnaJhYXbQD8 Í} €ŒíFaDOKEFcme9 í<> ÒHŽ* @\éÇ|G”GÜFVŽ* @\éÇ 537206982 46442.250000
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OgSTAjlpP5 ÀHÛGYZdFvzhaQ6 H <20>iHbwjZPHBoR7 Ÿ ‹¿GnaJhYXbQD8 Í} €ŒíFaDOKEFcme9 í<> ÒHŽ* @\éÇ|G”GÜFVŽ* @\éÇ 537271300 112273.500000
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naJhYXbQD8 Í} €ŒíFaDOKEFcme9 í<> ÒHŽ* @\éÇ|G”GÜFVŽ* @\éÇ 537034189 30406.250000
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aDOKEFcme9 í<> ÒHŽ* @\éÇ|G”GÜFVŽ* @\éÇ 537038317 158536.250000
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@ -0,0 +1,11 @@
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offset1: 295
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offset2: 360
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offset3: 491
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offset4: 609
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offset5: [657,672,684,694,697,715,722,735]
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offset6: 837
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sizeof(info): 126
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@ -0,0 +1,5 @@
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int1: 537532210
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int2: 0
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a: 537275022; b : -119480.500000
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stringa4: Ž* @\éÇ|G”GÜFVŽ* @\éÇ
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checksum: 211
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