Eolian: fix coverity issues.

CID 1216274
CID 1216275
CID 1216276
CID 1216277
CID 1216278
CID 1216279
CID 1216280

src/bin/eolian/common_funcs.c

@@ -28,7 +28,7 @@ _class_func_names_fill(const Eolian_Class class, const char *over_classname, con
      {
         current_class = class;
         if (!class)
-           strcpy(current_classname, over_classname);
+           strncpy(current_classname, over_classname, sizeof(current_classname) - 1);
         else
            _class_name_concatenate(class, current_classname);
 

src/bin/eolian/eo1_generator.c

@@ -588,6 +588,7 @@ eo_source_end_generate(const Eolian_Class class, Eina_Strbuf *buf)
    if (!str_classtype)
      {
         ERR ("Unknown class type for class %s !", classname);
+        free(classname);
         return EINA_FALSE;
      }
 

src/bin/eolian/impl_generator.c

@@ -62,9 +62,8 @@ _function_exists(const char* func_name, Eina_Strbuf *buffer)
                          return EINA_TRUE;
                      }
                 }
-           default:
-              ptr++; /* so strstr doesn't fall again on func_name */
           }
+        ptr++; /* so strstr doesn't fall again on func_name */
      }
    return EINA_FALSE;
 }
@@ -87,9 +86,8 @@ _type_exists(const char* type_name, Eina_Strbuf *buffer)
                          return EINA_TRUE;
                      }
                 }
-           default:
-              ptr++; /* so strstr doesn't fall again on type_name */
           }
+        ptr++; /* so strstr doesn't fall again on type_name */
      }
    return EINA_FALSE;
 }

src/bin/eolian/legacy_generator.c

@@ -310,7 +310,7 @@ _eapi_func_generate(const Eolian_Class class, Eolian_Function funcid, Eolian_Fun
    if (rettype && (!ret_is_void))
      {
         char tmp_ret_str[0xFF];
-        sprintf (tmp_ret_str, "%s%s", ret_const?"const ":"", rettype?rettype:"void");
+        sprintf (tmp_ret_str, "%s%s", ret_const?"const ":"", rettype);
              const char *dflt_ret_val =
                 eolian_function_return_dflt_value_get(funcid, ftype);
              Eina_Bool had_star = !!strchr(rettype, '*');

src/bin/eolian/main.c

@@ -131,17 +131,28 @@ _generate_impl_c_file(char *filename, const Eolian_Class class)
      {
         fseek(fd, 0, SEEK_END);
         file_size = ftell(fd);
-        fseek(fd, 0, SEEK_SET);
-        char *content = malloc(file_size + 1);
-        fread(content, file_size, 1, fd);
-        content[file_size] = '\0';
-        fclose(fd);
-
-        if (!content)
+        if (file_size <= 0)
           {
-             ERR("Couldnt read file %s", filename);
+             ERR("Couldnt determine length for file %s", filename);
              goto end;
           }
+        fseek(fd, 0, SEEK_SET);
+        char *content = malloc(file_size + 1);
+        if (!content)
+          {
+             ERR("Couldnt allocate memory for file %s", filename);
+             goto end;
+          }
+        if (0 == fread(content, file_size, 1, fd))
+          {
+             ERR("Couldnt read the %ld bytes of file %s", file_size, filename);
+             free(content);
+             goto end;
+          }
+
+        content[file_size] = '\0';
+        fclose(fd);
+        fd = NULL;
 
         buffer = eina_strbuf_manage_new(content);
      }
@@ -164,10 +175,9 @@ _generate_impl_c_file(char *filename, const Eolian_Class class)
    const char *text = eina_strbuf_string_get(buffer);
    if (text) fputs(text, fd);
 
-   fclose(fd);
-
    ret = EINA_TRUE;
 end:
+   if (fd) fclose(fd);
    eina_strbuf_free(buffer);
    return ret;
 }

src/lib/eolian/eolian_database.c

@@ -223,7 +223,7 @@ eolian_type_find_by_alias(const char *alias)
    Eina_Stringshare *shr = eina_stringshare_add(alias);
    Type_Desc *cl = eina_hash_find(_types, shr);
    eina_stringshare_del(shr);
-   return cl->type;
+   return cl?cl->type:NULL;
 }
 
 Eolian_Class