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cbae1c21
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2020-04-01T22:12:07
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assert: allow non-int returning functions to assert
Include GIT_ASSERT_WITH_RETVAL and GIT_ASSERT_ARG_WITH_RETVAL so that
functions that do not return int (or more precisely, where `-1` would
not be an error code) can assert.
This allows functions that return, eg, NULL on an error code to do that
by passing the return value (in this example, `NULL`) as a second
parameter to the GIT_ASSERT_WITH_RETVAL functions.
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a95096ba
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2020-01-12T10:31:07
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assert: optionally fall-back to assert(3)
Fall back to the system assert(3) in debug builds, which may aide
in debugging.
"Safe" assertions can be enabled in debug builds by setting
GIT_ASSERT_HARD=0. Similarly, hard assertions can be enabled in
release builds by setting GIT_ASSERT_HARD to nonzero.
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abe2efe1
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2019-12-09T12:37:34
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Introduce GIT_ASSERT macros
Provide macros to replace usages of `assert`. A true `assert` is
punishing as a library. Instead we should do our best to not crash.
GIT_ASSERT_ARG(x) will now assert that the given argument complies to
some format and sets an error message and returns `-1` if it does not.
GIT_ASSERT(x) is for internal usage, and available as an internal
consistency check. It will set an error message and return `-1` in the
event of failure.
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