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Automatically save the database when receiving a fatal signal
author Guido Berhoerster <guido+pwm@berhoerster.name>
date Wed, 06 Sep 2017 13:56:11 +0200
parents 5c6155c8e9b6
children ec01c579024a
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1 /*
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2 * Copyright (C) 2017 Guido Berhoerster <guido+pwm@berhoerster.name>
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3 *
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4 * Permission is hereby granted, free of charge, to any person obtaining
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5 * a copy of this software and associated documentation files (the
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6 * "Software"), to deal in the Software without restriction, including
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7 * without limitation the rights to use, copy, modify, merge, publish,
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8 * distribute, sublicense, and/or sell copies of the Software, and to
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9 * permit persons to whom the Software is furnished to do so, subject to
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10 * the following conditions:
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11 *
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12 * The above copyright notice and this permission notice shall be included
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13 * in all copies or substantial portions of the Software.
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14 *
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 */
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24 #ifndef PWM_H
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25 #define PWM_H
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27 #include <libtecla.h>
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28 #include <pws.h>
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30 #ifndef PWM_LINE_MAX
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31 #define PWM_LINE_MAX 16384
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32 #endif /* !PWM_LINE_MAX */
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34 #ifndef PWM_HISTORY_ENTRIES_MAX
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35 #define PWM_HISTORY_ENTRIES_MAX 1024
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36 #endif /* !PWM_HISTORY_MAX */
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37
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38 #ifndef PWM_HISTORY_LINES_MAX
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39 #define PWM_HISTORY_LINES_MAX 256
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40 #endif /* !PWM_HISTORY_LINES_MAX */
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41
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42 #ifndef PWM_HISTORY_MAX
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43 #define PWM_HISTORY_MAX (PWM_HISTORY_LINES_MAX * PWM_LINE_MAX)
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44 #endif /* !PWM_HISTORY_MAX */
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45
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46 struct pwm_ctx {
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47 const char *prev_cmd;
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48 char *errmsg;
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49 char *dirname;
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50 char *filename;
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51 struct pws3_file *file;
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52 struct record_id_tree *record_id_tree;
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53 int unsaved_changes;
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54 unsigned int next_id;
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55 char password[PWS3_MAX_PASSWORD_LEN + 1];
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56 };
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57
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58 void pwm_err(struct pwm_ctx *, char *, ...);
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59 void pwm_block_signals(void);
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60 void pwm_unblock_signals(void);
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61 int pwm_read_password(struct pwm_ctx *, int);
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63 #endif /* PWM_H */