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1a0df4396e
Commit v3.3-42-g3b74a90, "FIXME: src/diff3: plug a leak" added an invalid use of free, leading to use-after-free in nearly any invocation of diff3. Revert that commit. * NEWS (Bug fixes): Mention it. * tests/diff3: New file, to add minimal test coverage. * tests/Makefile.am (TESTS): Add it. Reported by Bastian Beischer in http://bugs.gnu.org/24210
31 lines
529 B
Bash
31 lines
529 B
Bash
#!/bin/sh
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# This would malfunction in diff-3.4
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. "${srcdir=.}/init.sh"; path_prepend_ ../src
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echo a > a || framework_failure_
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echo b > b || framework_failure_
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echo c > c || framework_failure_
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cat <<'EOF' > exp || framework_failure_
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====
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1:1c
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a
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2:1c
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b
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3:1c
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c
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EOF
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fail=0
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diff3 a b c > out 2> err || fail=1
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compare exp out || fail=1
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compare /dev/null err || fail=1
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# Repeat, but with all three files the same:
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diff3 a a a > out 2> err || fail=1
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compare /dev/null out || fail=1
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compare /dev/null err || fail=1
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Exit $fail
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