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authorDavid Herrmann <dh.herrmann@gmail.com>2014-12-12 09:43:54 +0100
committerDavid Herrmann <dh.herrmann@gmail.com>2014-12-12 09:43:54 +0100
commitbff686e2a981ccd0888cdf1981977d24320f1770 (patch)
tree985439518c0dd5c3b3b7f9361d604e743c1d41ec /src/python-systemd/_daemon.c
parent0b9315719154fa7ea1a075e1b3785713f5acc3a1 (diff)
hwdb: fix dangling 'else' ambuguity
Imagine the following use of hwdb: if (condition_A) SD_HWDB_FOREACH_PROPERTY(hwdb, modalias, key, value) operation_A(key, value); else log_error("..."); This should work just fine, but but definitely does not what you would expect. Due to how SD_HWDB_FOREACH_PROPERTY is defined, the dangling 'else' is linked to the hidden 'if' statement in the macro instead of the outer 'if (condition_A)'. This is unexpected and really annoying to debug. Fix this by never leaving un-finished if-statements in SD_HWDB_FOREACH_PROPERTY(). We simply inverse the if() statement and explicitly add an 'else'-branch. This way, the statement is closed and all ambuguities are resolved.
Diffstat (limited to 'src/python-systemd/_daemon.c')
0 files changed, 0 insertions, 0 deletions