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Read $LIBASOUND_DEBUG as integer

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Read $LIBASOUND_DEBUG as integer, 1 = hw_params dump, 2 = assert.
This commit is contained in:
Takashi Iwai 2005-04-20 14:26:49 +00:00
parent cac370de25
commit 87ec7df91d
3 changed files with 10 additions and 6 deletions
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10
NOTES
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@ -22,9 +22,13 @@ Verbose Error Messages
Since version 1.0.8, assert() for some non-fatal errors are removed
and error messages are no longer shown to stderr as default. Instead,
the error messages appear only when the environment variable
LIBASOUND_DEBUG is set. When LIBASOUND_DEBUG=assert is set, the
default error message handler calls assert() to catch with a
debugger.
LIBASOUND_DEBUG is set (to a non-empty value).
When LIBASOUND_DEBUG=1 is set, the errors in hw_params configuration
will be dumped to stderr. Note that this will show even the non-fatal
errors of plug layer (trial-and-error of parameters).
When LIBASOUND_DEBUG=2 is set, the default error message handler calls
assert() to catch with a debugger, in addition to parameter debugging.
This feature is disabled when --with-debug=no is passed to configure,
i.e. no strict checking is done in alsa-lib.