merge_files: avoid UB in xdiff by ethomson · Pull Request #7239 · libgit2/libgit2
Test handing a zero byte but extant file to merge_files.
For zero byte files, avoid allocation - this avoids undefined behavior around malloc(0) and potentially memcpy(..., NULL, 0).
netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this pull request
netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this pull request
netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this pull request
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