Commit Briefs

Stefan Sperling

add support for showing function prototypes in unidiff hunk headers

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Neels Hofmeyr

diff: drop -p, add -P -Q -T; diffreg(): use algo enum

-p is traditionally used for "show which C function each change is in", so don't use it for choosing Patience. Instead add two options for using Patience, -P for only Patience and -Q to attempt forward-Myers first. Also add -T for a trivial diff (diff_algo_none).

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Stefan Sperling

add a diff output mode which produces simple ed(1) scripts

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Stefan Sperling

add a zero-context test and rename the -C option to -U (matches diff(1))

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Stefan Sperling

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

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Stefan Sperling

optionally provide information about the generated diff to the API user

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Stefan Sperling

convert 'ignore_whitespace' boolean into a more general flags argument

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Stefan Sperling

use buffered stdio if falling back on file i/o; this is much faster

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Stefan Sperling

remove another custom linux shim in favour of compat/ directory

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Stefan Sperling

enable -Wstrict-prototype and -Wunused-variable in Linux build

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Stefan Sperling

add a -C option which sets the amount of context lines in unified diffs

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Stefan Sperling

add support for ignoring whitespace (-w option)

Tests grow the ability to call diff with options. Options to use are encoded in the test file name as a single dash followed by a string of option letters. E.g. -wp for 'ignore whitespace' and 'do patience'

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Stefan Sperling

avoid include statements in header files; make each .c pull in what's needed

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Stefan Sperling

replace enum diff_rc errors with plain errno values

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Stefan Sperling

fall back on file i/o in case an input file cannot be memory-mapped

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Neels Hofmeyr

KNF: use max 80 columns

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Neels Hofmeyr

diff cmdline tool: allow using Patience by -p arg

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Neels Hofmeyr

remove code dup of diff_main() invocation for plain vs unidiff

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Neels Hofmeyr

diff.c: move two #include to the top

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Neels Hofmeyr

myers: permit ~4Mb of state

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Neels Hofmeyr

switch default to unidiff

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Neels Hofmeyr

initial commit

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