Mercurial > molko
annotate libmlk-core/core/trace.c @ 243:71b3b7036de7
misc: lot of cleanups,
- prefix libraries with libmlk,
- move assets from source directories closes #2520,
- prefix header guards closes #2519
author | David Demelier <markand@malikania.fr> |
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date | Sat, 28 Nov 2020 22:37:30 +0100 |
parents | libcore/core/trace.c@aab824406d3d |
children | c4da052c0def |
rev | line source |
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1 /* |
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2 * trace.h -- non-fatal message logs |
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3 * |
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4 * Copyright (c) 2020 David Demelier <markand@malikania.fr> |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #include <assert.h> |
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20 #include <stdio.h> |
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21 |
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22 #include "trace.h" |
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23 |
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24 static void |
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25 default_handler(const char *line) |
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26 { |
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27 assert(line); |
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28 |
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29 puts(line); |
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30 } |
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31 |
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32 void (*trace_handler)(const char *) = default_handler; |
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33 |
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34 void |
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35 tracef(const char *fmt, ...) |
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36 { |
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37 assert(fmt); |
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38 |
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39 va_list ap; |
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40 |
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41 if (!trace_handler) |
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42 return; |
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43 |
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44 va_start(ap, fmt); |
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45 vtracef(fmt, ap); |
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46 va_end(ap); |
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47 } |
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48 |
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49 void |
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50 vtracef(const char *fmt, va_list ap) |
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51 { |
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52 assert(fmt); |
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53 |
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54 char buf[TRACE_LINE_MAX]; |
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55 |
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56 if (!trace_handler) |
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57 return; |
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58 |
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59 vsnprintf(buf, sizeof (buf), fmt, ap); |
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60 trace_handler(buf); |
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61 } |