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Home/ Questions/Q 185579
Alex Hales
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Alex HalesTeacher
Asked: June 10, 20222022-06-10T01:49:04+00:00 2022-06-10T01:49:04+00:00

c – Function only saving last input

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This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers.



Im working on this funtion that saves a structure into a file and then shows it on another function.

The problem is that only the last structure gets saved/printed. Wonder if you guys can help me fix this one up.

void CargaArchivoConsumo(char nombreArchivo[])
{ ///this function loads the struc into the file
    stConsumo c;
    char opcion;
    FILE *archi=fopen(nombreArchivo,"ab");
    if(archi)
    {
        do
        {
            c=cargaConsumo();
            fwrite(&c,sizeof(stConsumo), 1, archi);
            printf("\nPresione ESC para salir, cualquier tecla para continuar");
            fflush(stdin);
            opcion=getch();

        }while(opcion!=ESC);
    fclose(archi);
    }
}
void muestraArchivoConsumo(char nombreArchivo[])
{ ///this function shows struct saved onto the file.
    stConsumo c;
    FILE *archi= fopen(nombreArchivo, "rb");
    if(archi)
    {
        while(fread(&c, sizeof(stConsumo),1,archi)>0);
        {
            muestraUnConsumo(c);
        }
        fclose(archi);
    }
}

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