mhu/gds-render
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Make gds-parser more robust

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This commit is contained in:
Mario Hüttel 2019-03-06 18:16:14 +01:00
parent ba53a1151e
commit d81c6d1037
1 changed files with 17 additions and 2 deletions
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15
gds-parser/gds-parser.c
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@ -894,6 +894,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
*/ */
static void delete_cell_inst_element(struct gds_cell_instance *cell_inst) static void delete_cell_inst_element(struct gds_cell_instance *cell_inst)
{ {
if (cell_inst)
free(cell_inst); free(cell_inst);
} }
@ -903,6 +904,7 @@ static void delete_cell_inst_element(struct gds_cell_instance *cell_inst)
*/ */
static void delete_vertex(struct gds_point *vertex) static void delete_vertex(struct gds_point *vertex)
{ {
if (vertex)
free(vertex); free(vertex);
} }
@ -912,6 +914,9 @@ static void delete_vertex(struct gds_point *vertex)
*/ */
static void delete_graphics_obj(struct gds_graphics *gfx) static void delete_graphics_obj(struct gds_graphics *gfx)
{ {
if (!gfx)
return;
g_list_free_full(gfx->vertices, (GDestroyNotify)delete_vertex); g_list_free_full(gfx->vertices, (GDestroyNotify)delete_vertex);
free(gfx); free(gfx);
} }
@ -922,6 +927,9 @@ static void delete_graphics_obj(struct gds_graphics *gfx)
*/ */
static void delete_cell_element(struct gds_cell *cell) static void delete_cell_element(struct gds_cell *cell)
{ {
if (!cell)
return;
g_list_free_full(cell->child_cells, (GDestroyNotify)delete_cell_inst_element); g_list_free_full(cell->child_cells, (GDestroyNotify)delete_cell_inst_element);
g_list_free_full(cell->graphic_objs, (GDestroyNotify)delete_graphics_obj); g_list_free_full(cell->graphic_objs, (GDestroyNotify)delete_graphics_obj);
free(cell); free(cell);
@ -933,6 +941,9 @@ static void delete_cell_element(struct gds_cell *cell)
*/ */
static void delete_library_element(struct gds_library *lib) static void delete_library_element(struct gds_library *lib)
{ {
if (!lib)
return;
g_list_free(lib->cell_names); g_list_free(lib->cell_names);
g_list_free_full(lib->cells, (GDestroyNotify)delete_cell_element); g_list_free_full(lib->cells, (GDestroyNotify)delete_cell_element);
free(lib); free(lib);
@ -940,8 +951,12 @@ static void delete_library_element(struct gds_library *lib)
int clear_lib_list(GList **library_list) int clear_lib_list(GList **library_list)
{ {
if (!library_list)
return 0;
if (*library_list == NULL) if (*library_list == NULL)
return 0; return 0;
g_list_free_full(*library_list, (GDestroyNotify)delete_library_element); g_list_free_full(*library_list, (GDestroyNotify)delete_library_element);
*library_list = NULL; *library_list = NULL;
return 0; return 0;