| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 |
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| 4 | Copyright (C) Andrew Tridgell 2005
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| 5 | Copyright (C) Jelmer Vernooij 2005
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| 6 |
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| 7 | ** NOTE! The following LGPL license applies to the tevent
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| 8 | ** library. This does NOT imply that all of Samba is released
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| 9 | ** under the LGPL
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| 10 |
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| 11 | This library is free software; you can redistribute it and/or
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| 12 | modify it under the terms of the GNU Lesser General Public
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| 13 | License as published by the Free Software Foundation; either
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| 14 | version 3 of the License, or (at your option) any later version.
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| 15 |
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| 16 | This library is distributed in the hope that it will be useful,
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| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 19 | Lesser General Public License for more details.
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| 20 |
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| 21 | You should have received a copy of the GNU Lesser General Public
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| 22 | License along with this library; if not, see <http://www.gnu.org/licenses/>.
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| 23 | */
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| 24 |
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| 25 | #include "replace.h"
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| 26 | #include "tevent.h"
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| 27 | #include "tevent_internal.h"
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| 28 |
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| 29 | /********************************************************************
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| 30 | * Debug wrapper functions, modeled (with lot's of code copied as is)
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| 31 | * after the ev debug wrapper functions
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| 32 | ********************************************************************/
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| 33 |
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| 34 | /*
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| 35 | this allows the user to choose their own debug function
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| 36 | */
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| 37 | int tevent_set_debug(struct tevent_context *ev,
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| 38 | void (*debug)(void *context,
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| 39 | enum tevent_debug_level level,
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| 40 | const char *fmt,
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| 41 | va_list ap) PRINTF_ATTRIBUTE(3,0),
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| 42 | void *context)
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| 43 | {
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| 44 | ev->debug_ops.debug = debug;
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| 45 | ev->debug_ops.context = context;
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| 46 | return 0;
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| 47 | }
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| 48 |
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| 49 | /*
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| 50 | debug function for ev_set_debug_stderr
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| 51 | */
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| 52 | static void tevent_debug_stderr(void *private_data,
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| 53 | enum tevent_debug_level level,
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| 54 | const char *fmt,
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| 55 | va_list ap) PRINTF_ATTRIBUTE(3,0);
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| 56 | static void tevent_debug_stderr(void *private_data,
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| 57 | enum tevent_debug_level level,
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| 58 | const char *fmt, va_list ap)
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| 59 | {
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| 60 | if (level <= TEVENT_DEBUG_WARNING) {
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| 61 | vfprintf(stderr, fmt, ap);
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| 62 | }
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| 63 | }
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| 64 |
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| 65 | /*
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| 66 | convenience function to setup debug messages on stderr
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| 67 | messages of level TEVENT_DEBUG_WARNING and higher are printed
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| 68 | */
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| 69 | int tevent_set_debug_stderr(struct tevent_context *ev)
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| 70 | {
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| 71 | return tevent_set_debug(ev, tevent_debug_stderr, ev);
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| 72 | }
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| 73 |
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| 74 | /*
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| 75 | * log a message
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| 76 | *
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| 77 | * The default debug action is to ignore debugging messages.
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| 78 | * This is the most appropriate action for a library.
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| 79 | * Applications using the library must decide where to
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| 80 | * redirect debugging messages
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| 81 | */
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| 82 | void tevent_debug(struct tevent_context *ev, enum tevent_debug_level level,
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| 83 | const char *fmt, ...)
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| 84 | {
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| 85 | va_list ap;
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| 86 | if (!ev) {
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| 87 | return;
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| 88 | }
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| 89 | if (ev->debug_ops.debug == NULL) {
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| 90 | return;
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| 91 | }
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| 92 | va_start(ap, fmt);
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| 93 | ev->debug_ops.debug(ev->debug_ops.context, level, fmt, ap);
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| 94 | va_end(ap);
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| 95 | }
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| 96 |
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