zakarya/puzzles
1
0
Fork 0
mirror of git://git.tartarus.org/simon/puzzles.git synced 2025-04-21 08:01:30 -07:00
Code Issues Packages Projects Releases Wiki Activity

Don't leak duplicate edges in Untangle

Browse Source 
Untangle game descriptions are allowed to contain duplicate edges, and
add234() can handle deduping them.  However, when add234() reports that
your newly-allocated edge is a duplicate, it's important to free it
again.
This commit is contained in:
Ben Harris
2023-02-13 11:08:14 +00:00
parent 0a7c531e8f
commit 19401e95e0
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
untangle.c
View File

@ -420,7 +420,9 @@ static void addedge(tree234 *edges, int a, int b)
e->a = min(a, b);
e->b = max(a, b);
add234(edges, e);
if (add234(edges, e) != e)
/* Duplicate edge. */
sfree(e);
}
static bool isedge(tree234 *edges, int a, int b)