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annotate pws-internal.h @ 0:d541e748cfd8

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Initial revision
author Guido Berhoerster <guido+libpws@berhoerster.name>
date Tue, 10 Feb 2015 11:29:54 +0100
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1 /*
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2 * Copyright (C) 2015 Guido Berhoerster <guido+libpws@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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23
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24 #ifndef PWS_INTERNAL_H
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25 #define PWS_INTERNAL_H
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26
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27 #include <signal.h>
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28 #ifdef HAVE_SYS_TREE_H
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29 #include <sys/tree.h>
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30 #endif /* HAVE_SYS_TREE_H */
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31 #include <sys/types.h>
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32 #include <unistd.h>
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33
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34 #include "include/pws.h"
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35
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36 #define MAX(x, y) (((x) > (y)) ? (x) : (y))
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37 #define MIN(x, y) (((x) < (y)) ? (x) : (y))
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38 #define CLAMP(x, min, max) (((x) > (max)) ? (max) : (((x) < (min)) ?\
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39 (min) : (x)))
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40
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41 #ifdef NDEBUG
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42 #include <signal.h>
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43 #include <unistd.h>
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44 #define PWS_ASSERT(cond) while (cond) {\
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45 write(STDERR_FIELNO, "assertion failed: " #cond "\n", \
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46 sizeof ("assertion failed: " #cond "\n"));\
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47 raise(SIGKILL);\
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48 }
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49 #else
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50 #include <assert.h>
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51 #define PWS_ASSERT(cond) assert(cond)
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52 #endif /* NDEBUG */
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53
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54 struct pws3_field {
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55 int is_header;
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56 uint8_t field_type;
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57 size_t size;
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58 union {
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59 unsigned char *bytes;
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60 unsigned char uuid[PWS3_UUID_SIZE];
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61 char *text;
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62 uint8_t uint8;
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63 uint16_t uint16;
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64 uint32_t uint32;
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65 } value;
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66 RB_ENTRY(pws3_field) tree_entry;
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67 };
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68
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69 struct pws3_record {
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70 struct pws3_field *fields[256];
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71 RB_ENTRY(pws3_record) tree_entry;
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72 };
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73
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74 extern void * (*pws_alloc)(size_t);
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75 extern void * (*pws_realloc)(void *, size_t);
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76 extern void (*pws_free)(void *, size_t);
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77 extern void * (*pws_secure_alloc)(size_t);
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78 extern void * (*pws_secure_realloc)(void *, size_t);
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79 extern void (*pws_secure_free)(void *, size_t);
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80
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81 int pws_random_bytes(void *, size_t);
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82
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83 #endif /* PWS_INTERNAL_H */