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Don't sort if there's nothing to do (prevents array underflow, too).

This commit is contained in:
Ryan C. Gordon 2012-06-07 10:21:43 -04:00
parent 4d9f2534f2
commit 5c18db7fe9
1 changed files with 2 additions and 1 deletions
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src/physfs.c
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@ -657,7 +657,8 @@ void __PHYSFS_sort(void *entries, size_t max,
* Quicksort w/ Bubblesort fallback algorithm inspired by code from here: * Quicksort w/ Bubblesort fallback algorithm inspired by code from here:
* http://www.cs.ubc.ca/spider/harrison/Java/sorting-demo.html * http://www.cs.ubc.ca/spider/harrison/Java/sorting-demo.html
*/ */
__PHYSFS_quick_sort(entries, 0, max - 1, cmpfn, swapfn); if (max > 0)
__PHYSFS_quick_sort(entries, 0, max - 1, cmpfn, swapfn);
} /* __PHYSFS_sort */ } /* __PHYSFS_sort */