54     int result = 0;  in open_png()  local
60         result = -1;  in open_png()
66         result = -2;  in open_png()
71         result = -3;  in open_png()
77         result = -4;  in open_png()
83         result = -5;  in open_png()
88         result = -6;  in open_png()
117         result = -7;  in open_png()
121     return result;  in open_png()
124     if (result < 0) {  in open_png()
131     return result;  in open_png()
207     int result = 0;  in res_create_display_surface()  local
215     result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels);  in res_create_display_surface()
216     if (result < 0) return result;  in res_create_display_surface()
220         result = -8;  in res_create_display_surface()
236     if (result < 0 && surface != NULL) free(surface);  in res_create_display_surface()
237     return result;  in res_create_display_surface()
243     int result = 0;  in res_create_multi_display_surface()  local
253     result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels);  in res_create_multi_display_surface()
254     if (result < 0) return result;  in res_create_multi_display_surface()
271         result = -9;  in res_create_multi_display_surface()
277         result = -8;  in res_create_multi_display_surface()
283             result = -8;  in res_create_multi_display_surface()
304     if (result < 0) {  in res_create_multi_display_surface()
312     return result;  in res_create_multi_display_surface()
318     int result = 0;  in res_create_alpha_surface()  local
326     result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels);  in res_create_alpha_surface()
327     if (result < 0) return result;  in res_create_alpha_surface()
330         result = -7;  in res_create_alpha_surface()
336         result = -8;  in res_create_alpha_surface()
355     if (result < 0 && surface != NULL) free(surface);  in res_create_alpha_surface()
356     return result;  in res_create_alpha_surface()
382     int result = 0;  in res_create_localized_alpha_surface()  local
399     result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels);  in res_create_localized_alpha_surface()
400     if (result < 0) return result;  in res_create_localized_alpha_surface()
403         result = -7;  in res_create_localized_alpha_surface()
421                 result = -8;  in res_create_localized_alpha_surface()
447     if (result < 0 && surface != NULL) free(surface);  in res_create_localized_alpha_surface()
448     return result;  in res_create_localized_alpha_surface()