Fórumok
Mi a hiba az alábbi kód végén lévő switch-ben?
Ha a C_TO_F helyére 0-t írok, akkor a hibaüzenet eltűnk. Miért nem megy a #define ?
callbacks.c: In function ‘compute_temp’:
callbacks.c:74: error: expected ‘:’ or ‘...’ before ‘;’ token
callbacks.c:74: error: expected expression before ‘:’ token
callbacks.c:78: error: expected ‘:’ or ‘...’ before ‘;’ token
callbacks.c:78: error: expected expression before ‘:’ token
make: *** [callbacks.o] Error 1
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <gnome.h>
#include "callbacks.h"
#include "interface.h"
#include "support.h"
#define C_TO_F 0;
#define F_TO_C 1;
void
on_quit1_activate (GtkMenuItem *menuitem,
gpointer user_data)
{
gtk_main_quit();
}
void
on_properties1_activate (GtkMenuItem *menuitem,
gpointer user_data)
{
}
void
on_preferences1_activate (GtkMenuItem *menuitem,
gpointer user_data)
{
}
void
on_about1_activate (GtkMenuItem *menuitem,
gpointer user_data)
{
GtkWidget *about;
about = create_gtemp_about();
gtkwidget_show(about);
}
void
on_quit_button_clicked (GtkToolButton *toolbutton,
gpointer user_data)
{
gtk_main_quit();
}
void
on_fahr_entry_activate (GtkEntry *entry,
gpointer user_data)
{
gchar * fahr = NULL;
}
void
compute_temp (GtkWidget *this_widget,
float temp,
int type)
{
GtkWidget *other_widget = NULL;
float result = 0.0;
gchar *result_string = NULL;
switch (type) {
case C_TO_F: // ez a rossz sor<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
//result = ((9.0/5.0) * temp) + 32.0;
//other_widget = lookup_widget(this_widget, "fahr_entry");
break;
case F_TO_C:
result = (5.0/9.0)*(temp-32.0);
other_widget = lookup_widget(this_widget, "cel_entry");
break;
}
result_string = g_strdup_printf("%5.2f", result);
gtk_entry_set_text(GTK_ENTRY(other_widget), result_string);
gtk_free(result_string);
}
Hozzászólások
Pontosvesszo.
#define C_TO_F 0; <- EZ.
---
pontscho / fresh!mindworkz
köszi!
kell(muszaly) a define vegere ; ?
Húúúúúúúúúú de nagy marha vagyok
#define C_TO_F 0;
tehát a C_TO_F értéke 0;
csak lendületből odaraktam a ; -t. Sokat javaztam mostanába :)