X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=bluesky%2Futil.c;h=bf1d09ef2035807973b4dd5a3381ebecd96fb80c;hb=1dc8b4fc9e5d7e2b2ed51ce16da67f3d5e16d240;hp=d854460449b4f7287f1365bcb2951e773df65677;hpb=4de397517bdb0ce26e0bdd039fd99bcba50f385e;p=bluesky.git

diff --git a/bluesky/util.c b/bluesky/util.c
index d854460..bf1d09e 100644
--- a/bluesky/util.c
+++ b/bluesky/util.c
@@ -349,21 +349,30 @@ typedef struct {
     char *message;
 } RTEvent;
 
+/* To catch attempts to access to invalid profile structures. */
+#define PROFILE_MAGIC 0x439929d8
+
 BlueSkyProfile *bluesky_profile_new()
 {
     BlueSkyProfile *profile = g_new0(BlueSkyProfile, 1);
     profile->lock = g_mutex_new();
+    profile->magic = PROFILE_MAGIC;
     return profile;
 }
 
 void bluesky_profile_free(BlueSkyProfile *profile)
 {
+    if (profile->magic != PROFILE_MAGIC) {
+        g_warning("Access to invalid BlueSkyProfile object!");
+        return;
+    }
     while (profile->events != NULL) {
         RTEvent *event = (RTEvent *)profile->events->data;
         g_free(event->message);
         g_free(event);
         profile->events = g_list_delete_link(profile->events, profile->events);
     }
+    profile->magic = 0;
     g_mutex_free(profile->lock);
     g_free(profile->description);
     g_free(profile);
@@ -373,6 +382,10 @@ void bluesky_profile_add_event(BlueSkyProfile *profile, char *message)
 {
     g_return_if_fail(profile != NULL);
 
+    if (profile->magic != PROFILE_MAGIC) {
+        g_warning("Access to invalid BlueSkyProfile object!");
+        return;
+    }
     g_mutex_lock(profile->lock);
     RTEvent *event = g_new(RTEvent, 1);
     event->timestamp = bluesky_now_hires();
@@ -399,6 +412,11 @@ void bluesky_profile_print(BlueSkyProfile *profile)
 
     g_return_if_fail(profile != NULL);
 
+    if (profile->magic != PROFILE_MAGIC) {
+        g_warning("Access to invalid BlueSkyProfile object!");
+        return;
+    }
+
     g_mutex_lock(profile->lock);
     g_static_mutex_lock(&profiling_print_lock);
     fprintf(stream, "Event Timeline: %s\n", profile->description);