1nbd_set_debug(3)                    LIBNBD                    nbd_set_debug(3)
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NAME

6       nbd_set_debug - set or clear the debug flag
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SYNOPSIS

9        #include <libnbd.h>
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11        int nbd_set_debug (
12              struct nbd_handle *h, bool debug
13            );
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DESCRIPTION

16       Set or clear the debug flag.  When debugging is enabled, debugging
17       messages from the library are printed to stderr, unless a debugging
18       callback has been defined too (see nbd_set_debug_callback(3)) in which
19       case they are sent to that function.  This flag defaults to false on
20       newly created handles, except if "LIBNBD_DEBUG=1" is set in the
21       environment in which case it defaults to true.
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RETURN VALUE

24       If the call is successful the function returns 0.
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ERRORS

27       On error -1 is returned.
28
29       Refer to "ERROR HANDLING" in libnbd(3) for how to get further details
30       of the error.
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32       The following parameters must not be NULL: "h".  For more information
33       see "Non-NULL parameters" in libnbd(3).
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VERSION

36       This function first appeared in libnbd 1.0.
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38       If you need to test if this function is available at compile time check
39       if the following macro is defined:
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41        #define LIBNBD_HAVE_NBD_SET_DEBUG 1
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SEE ALSO

44       nbd_create(3), nbd_set_debug_callback(3), nbd_set_handle_name(3),
45       libnbd(3).
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AUTHORS

48       Eric Blake
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50       Richard W.M. Jones
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53       Copyright Red Hat
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LICENSE

56       This library is free software; you can redistribute it and/or modify it
57       under the terms of the GNU Lesser General Public License as published
58       by the Free Software Foundation; either version 2 of the License, or
59       (at your option) any later version.
60
61       This library is distributed in the hope that it will be useful, but
62       WITHOUT ANY WARRANTY; without even the implied warranty of
63       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
64       Lesser General Public License for more details.
65
66       You should have received a copy of the GNU Lesser General Public
67       License along with this library; if not, write to the Free Software
68       Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
69       02110-1301 USA
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73libnbd-1.16.5                     2023-09-26                  nbd_set_debug(3)
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