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"Rail" & "Fretwork": avoid crash if can't load image

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This commit is contained in:
Bill Kendrick 2023-11-12 15:27:30 -08:00
parent 1973e22e6f
commit ea63917d0e
3 changed files with 38 additions and 3 deletions
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3
docs/CHANGES.txt
View file

@ -38,7 +38,8 @@ https://tuxpaint.org/
AppData.
TOYAMA Shin-ichi <dolphin6k@wmail.plala.or.jp>
* "Foam" magic tool -- avoid crash if image data cannot be loaded.
* Avoid crash in some Magic tools if image data cannot be loaded.
(Foam, Fretwork, Rails)
Bill Kendrick <bill@newbreedsoftware.com>
* Localization Updates:

19
magic/src/fretwork.c
View file

@ -1,7 +1,7 @@
/*
Draws fretwork
Last updated: April 19, 2023
Last updated: November 12, 2023
*/
#include "tp_magic_api.h"
@ -162,6 +162,23 @@ int fretwork_init(magic_api * api, Uint32 disabled_features ATTRIBUTE_UNUSED)
fretwork_four_back = IMG_Load(fretwork_images[2]);
fretwork_corner_back = IMG_Load(fretwork_images[3]);
if (fretwork_one == NULL || fretwork_one_back == NULL) {
fprintf(stderr, "Cannot load %s\n", fretwork_images[0]);
return(0);
}
if (fretwork_three == NULL || fretwork_three_back == NULL) {
fprintf(stderr, "Cannot load %s\n", fretwork_images[1]);
return(0);
}
if (fretwork_four == NULL || fretwork_four_back == NULL) {
fprintf(stderr, "Cannot load %s\n", fretwork_images[2]);
return(0);
}
if (fretwork_corner == NULL || fretwork_corner_back == NULL) {
fprintf(stderr, "Cannot load %s\n", fretwork_images[3]);
return(0);
}
img_w = fretwork_one->w;
img_h = fretwork_one->h;

19
magic/src/rails.c
View file

@ -3,7 +3,7 @@
Draw train tracks.
Last updated: April 19, 2023
Last updated: November 12, 2023
*/
#include "tp_magic_api.h"
#include "SDL_image.h"
@ -122,6 +122,23 @@ int rails_init(magic_api * api, Uint32 disabled_features ATTRIBUTE_UNUSED)
rails_four = IMG_Load(rails_images[2]);
rails_corner = IMG_Load(rails_images[3]);
if (rails_one == NULL) {
fprintf(stderr, "Can't load image %s\n", rails_images[0]);
return(0);
}
if (rails_three == NULL) {
fprintf(stderr, "Can't load image %s\n", rails_images[1]);
return(0);
}
if (rails_four == NULL) {
fprintf(stderr, "Can't load image %s\n", rails_images[2]);
return(0);
}
if (rails_corner == NULL) {
fprintf(stderr, "Can't load image %s\n", rails_images[3]);
return(0);
}
img_w = rails_one->w;
img_h = rails_one->h;