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-rw-r--r--src/gtkext/gtkstatusstack.c2
-rw-r--r--src/gtkext/gtkstatusstack.h3
2 files changed, 4 insertions, 1 deletions
diff --git a/src/gtkext/gtkstatusstack.c b/src/gtkext/gtkstatusstack.c
index 1df5d35..0b35e1b 100644
--- a/src/gtkext/gtkstatusstack.c
+++ b/src/gtkext/gtkstatusstack.c
@@ -839,7 +839,7 @@ activity_id_t gtk_status_stack_add_activity(GtkStatusStack *stack, const char *m
progress_info *info; /* Informations à consulter */
size_t new; /* Indice de l'activité créée */
- if (stack == NULL) return 0;
+ if (stack == NULL) return NO_ACTIVITY_ID;
info = stack->prog_info;
diff --git a/src/gtkext/gtkstatusstack.h b/src/gtkext/gtkstatusstack.h
index b68e387..91182a1 100644
--- a/src/gtkext/gtkstatusstack.h
+++ b/src/gtkext/gtkstatusstack.h
@@ -75,6 +75,9 @@ void gtk_status_stack_reset_current_location(GtkStatusStack *);
/* Identifiant unique de rapport de progression */
typedef unsigned long activity_id_t;
+/* Identifiant particulier pour une absence d'identifiant */
+#define NO_ACTIVITY_ID 0
+
/* Démarre le suivi d'une nouvelle activité. */
activity_id_t gtk_status_stack_add_activity(GtkStatusStack *, const char *, unsigned long);