Use [A..Z] instead of [0..F] for representing the context_id

1 files changed, 26 insertions, 3 deletions

diff --git a/badwolf.c b/badwolf.c
index 665f144..0d391e1 100644
--- a/badwolf.c
+++ b/badwolf.c
@@ -21,7 +21,7 @@ const gchar *homepage = "https://hacktivis.me/projects/badwolf";
 const gchar *version  = VERSION;
 
 static gchar *web_extensions_directory;
-static int context_id_counter = 0;
+static uint64_t context_id_counter = 0;
 GtkTreeModel *bookmarks_completion_model;
 
 static gboolean WebViewCb_close(WebKitWebView *webView, gpointer user_data);
@@ -130,13 +130,36 @@ WebViewCb_notify__uri(WebKitWebView *webView, GParamSpec *pspec, gpointer user_d
 	return TRUE;
 }
 
+static char *
+fmt_context_id(uint64_t num, char *out)
+{
+	const char alpha_digits[27] = {" ABCDEFGHIJKLMNOPQRSTUVWXYZ"};
+	char buf[66]                = {'\0'};
+	int i, len = 0;
+
+	// Get 0 = 'A' instead of 0 = '' and 1 = 'A'
+	num++;
+
+	buf[len++] = ' ';
+	buf[len++] = ':';
+	do
+	{
+		buf[len++] = alpha_digits[num % 26];
+	} while(num /= 26);
+
+	for(i = 0; len > 0; i++)
+		out[i] = buf[--len];
+
+	return out;
+}
+
 GtkWidget *
 badwolf_new_tab_box(const gchar *title, struct Client *browser)
 {
 	(void)browser;
-	char context_id_str[7];
+	char context_id_str[7] = "";
 
-	snprintf(context_id_str, 7, "%4X: ", browser->context_id);
+	fmt_context_id(browser->context_id, context_id_str);
 
 	GtkWidget *tab_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 	gtk_widget_set_name(tab_box, "browser__tabbox");