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Copy pathfilesystem.c
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78 lines (70 loc) · 2.76 KB
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#include "filesystem.h"
enum LINE_STATUS {NAME, GENDER, AGE, ROOM_ID} typedef LINE_STATUS;
int readFile (Guest* guest)
{
FILE* file = fopen("dados.txt", "r");
if (file == NULL) {
system("cls");
printf("\a");
printf("\n \033[1;31m================== MENSAGEM DE ALERTA ==================\033[0m");
printf("\n *** Arquivo inválido, não foi possível acessar ***");
printf("\n \033[1;31m============================================================\033[0m");
return -1;
}
char line[256];
LINE_STATUS lineStatus = NAME;
int index = 0;
while(fgets(line, sizeof(line), file) != NULL) {
removeNewlineCh(line);
switch (lineStatus)
{
case NAME:
strcpy((guest + index)->name, line);
lineStatus = GENDER;
break;
case GENDER:
(guest + index)->gender = (char) line[0];
lineStatus = AGE;
break;
case AGE:
(guest + index)->age = atoi(line);
lineStatus = ROOM_ID;
break;
case ROOM_ID:
(guest + index)->roomId = (char) line[0];
lineStatus = NAME;
index++;
fgets(line, sizeof(line), file); // skips '====' line
break;
}
}
fclose(file);
return index;
}
void writeFile (Guest* guests, int size)
{
FILE* file = fopen("dados.txt", "w");
if (file == NULL) {
system("cls");
printf("\a");
printf("\n \033[1;31m================== MENSAGEM DE ALERTA ==================\033[0m");
printf("\n *** Arquivo inválido, não foi possível acessar ***");
printf("\n \033[1;31m============================================================\033[0m");
return;
}
for(int i=0; i<size; i++) {
fprintf(file, "%s\n", guests[i].name);
fprintf(file, "%c\n", guests[i].gender);
fprintf(file, "%d\n", guests[i].age);
fprintf(file, "%c\n", guests[i].roomId);
fprintf(file, "==========\n");
}
fclose(file);
system("cls");
printf("\n\n\n\n \033[92m==================================================\033[0m\n");
printf(" \033[92mMENSAGEM: Dados do arquivo salvo com sucesso!\033[0m\n");
printf(" \033[92m==================================================\033[0m\n\n");
Sleep(1500);
system("cls");
return;
}