Centralized the checksum computing of binary contents.

1 files changed, 26 insertions, 3 deletions

diff --git a/src/analysis/content.c b/src/analysis/content.c
index 01c9c99..4b4645f 100644
--- a/src/analysis/content.c
+++ b/src/analysis/content.c
@@ -24,9 +24,13 @@
 #include "content.h"
 
 
+#include <assert.h>
 #include <string.h>
 
 
+#include <i18n.h>
+
+
 #include "content-int.h"
 #include "contents/file.h"
 
@@ -155,13 +159,32 @@ bool g_binary_content_save(const GBinContent *content, xmlDocPtr xdoc, xmlXPathC
 *                                                                             *
 ******************************************************************************/
 
-const gchar *g_binary_content_get_cheksum(GBinContent *content)
+const gchar *g_binary_content_get_checksum(GBinContent *content)
 {
+    const gchar *result;                    /* Empreinte à retourner       */
+    GChecksum *checksum;                    /* Calcul de l'empreinte       */
     GBinContentIface *iface;                /* Interface utilisée          */
 
-    iface = G_BIN_CONTENT_GET_IFACE(content);
+    checksum = g_object_get_data(G_OBJECT(content), "checksum");
+
+    if (checksum == NULL)
+    {
+        checksum = g_checksum_new(G_CHECKSUM_SHA256);
+        assert(checksum != NULL);
+
+        g_checksum_reset(checksum);
+
+        iface = G_BIN_CONTENT_GET_IFACE(content);
 
-    return iface->get_checksum(content);
+        iface->compute_checksum(content, checksum);
+
+        g_object_set_data_full(G_OBJECT(content), "checksum", checksum, (GDestroyNotify)g_checksum_free);
+
+    }
+
+    result = g_checksum_get_string(checksum);
+
+    return result;
 
 }