Introduced the flat file format.

1 files changed, 13 insertions, 2 deletions

diff --git a/src/format/executable.c b/src/format/executable.c
index a2ee569..e70840b 100644
--- a/src/format/executable.c
+++ b/src/format/executable.c
@@ -302,6 +302,7 @@ void g_executable_format_setup_portions(GExeFormat *format, GtkStatusStack *stat
     GBinFormat *base;                       /* Version basique du format   */
     vmpa2t addr;                            /* Emplacement vide de sens    */
     phys_t length;                          /* Taille de portion globale   */
+    GExeFormatClass *class;                 /* Classe de l'instance        */
 
     base = G_BIN_FORMAT(format);
 
@@ -314,7 +315,10 @@ void g_executable_format_setup_portions(GExeFormat *format, GtkStatusStack *stat
 
     format->portions = g_binary_portion_new(BPC_RAW, &addr, length);
 
-    G_EXE_FORMAT_GET_CLASS(format)->refine_portions(format);
+    class = G_EXE_FORMAT_GET_CLASS(format);
+
+    if (class->refine_portions != NULL)
+        class->refine_portions(format);
 
 }
 
@@ -518,8 +522,15 @@ bool g_exe_format_translate_address_into_vmpa(GExeFormat *format, virt_t addr, v
 bool g_exe_format_get_section_range_by_name(const GExeFormat *format, const char *name, mrange_t *range)
 {
     bool result;                            /* Bilan à retourner           */
+    GExeFormatClass *class;                 /* Classe de l'instance        */
+
+    class = G_EXE_FORMAT_GET_CLASS(format);
 
-    result = G_EXE_FORMAT_GET_CLASS(format)->get_range_by_name(format, name, range);
+    if (class->get_range_by_name == NULL)
+        result = false;
+
+    else
+        result = class->get_range_by_name(format, name, range);
 
     return result;