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libraries/t4k_common: Fix segfaults with the newer librsvg.

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Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>
This commit is contained in:
Matteo Bernardini 2019-12-25 22:12:03 +01:00 committed by Robby Workman
parent 1c87424c8a
commit 584ee28512
2 changed files with 35 additions and 0 deletions
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32
libraries/t4k_common/916060_bugfix.patch Normal file
View file

@ -0,0 +1,32 @@
Description: fix loading each frame from SVG sprites
rsvg_handle_get_desc returns null so next sscanf segfaults. Use instead iterating
up from zero for id frame%d
Author: cdonoghu@gmail.com
Origin: other
Forwarded: no
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/src/t4k_loaders.c
+++ b/src/t4k_loaders.c
@@ -213,14 +213,13 @@
new_sprite = malloc(sizeof(sprite));
new_sprite->default_img = render_svg_from_handle(file_handle, width, height, "#default");
- /* get number of frames from description */
- sscanf(rsvg_handle_get_desc(file_handle), "%d", &new_sprite->num_frames);
- DEBUGMSG(debug_loaders, "load_svg_sprite(): loading %d frames\n", new_sprite->num_frames);
-
- for(i = 0; i < new_sprite->num_frames; i++)
- {
- sprintf(lay_name, "#frame%d", i);
- new_sprite->frame[i] = render_svg_from_handle(file_handle, width, height, lay_name);
+ /* get number of frames directly. End when #frame<num> doesn't exist */
+ new_sprite->num_frames = 0;
+ while(1) {
+ sprintf(lay_name, "#frame%d", new_sprite->num_frames);
+ if ( ! (rsvg_handle_has_sub(file_handle, lay_name)) ) break;
+ new_sprite->frame[new_sprite->num_frames] = render_svg_from_handle(file_handle, width, height, lay_name);
+ new_sprite->num_frames++;
}
g_object_unref(file_handle);

3
libraries/t4k_common/t4k_common.SlackBuild
View file

@ -54,6 +54,9 @@ find -L . \
# Patch for libpng16 (-current) (from Debian)
patch -p1 < $CWD/libpng.patch
# Fix segfaults with then newer librsvg (from Debian)
patch -p1 < $CWD/916060_bugfix.patch
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \