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Fixes test failures on OpenBSD due to unstable results of qsort if two or more elements are equal. Add a compat copy of OpenBSD mergesort(3) for Linux.

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3 years ago Stefan Sperling

check for allocation failure in diff_atoms_mark_unique_in_both_by_qsort()

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3 years ago Stefan Sperling

wrap a comment that had overlong lines

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3 years ago Neels Hofmeyr

patience: fix uninitialized rc in diff_atoms_qsort_compar

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3 years ago Neels Hofmeyr

move patience data out of struct diff_atom

Now allocating patience specific data only when patience is going to be used. This may allow using forward-Myers more often, since the state size per line is significantly smaller. Patience instead allocates an array, puts it in the current diff_data, and also place a pointer of the current diff_data in the root diff_data (since each atom points to the root diff_data).

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3 years ago Neels Hofmeyr

patience: use qsort to optimize finding unique lines

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3 years ago Stefan Sperling

move headers from include/diff/ to include/; makes things easier for consumers

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3 years ago Stefan Sperling

repair DEBUG build

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3 years ago Stefan Sperling

move some definitions from the public diff_main.h to an internal header file