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annotate nspr/pr/include/prvrsion.h @ 3:150b72113545

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Add DBM and legacydb support
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 18:32:02 +0200
parents 1e5118fa0cb1
children
rev   line source
0
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2 /* This Source Code Form is subject to the terms of the Mozilla Public
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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5
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6
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7 /* author: jstewart */
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8
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9 #if defined(_PRVERSION_H)
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10 #else
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11 #define _PRVERSION_H
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12
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13 #include "prtypes.h"
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14
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15 PR_BEGIN_EXTERN_C
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16
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17 /* All components participating in the PR version protocol must expose
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18 * a structure and a function. The structure is defined below and named
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19 * according to the naming conventions outlined further below. The function
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20 * is called libVersionPoint and returns a pointer to this structure.
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21 */
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22
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23 /* on NT, always pack the structure the same. */
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24 #ifdef _WIN32
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25 #pragma pack(push, 8)
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26 #endif
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27
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28 typedef struct {
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29 /*
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30 * The first field defines which version of this structure is in use.
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31 * At this time, only version 2 is specified. If this value is not
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32 * 2, you must read no further into the structure.
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33 */
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34 PRInt32 version;
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35
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36 /* for Version 2, this is the body format. */
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37 PRInt64 buildTime; /* 64 bits - usecs since midnight, 1/1/1970 */
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38 char * buildTimeString;/* a human readable version of the time */
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39
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40 PRUint8 vMajor; /* Major version of this component */
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41 PRUint8 vMinor; /* Minor version of this component */
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42 PRUint8 vPatch; /* Patch level of this component */
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43
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44 PRBool beta; /* true if this is a beta component */
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45 PRBool debug; /* true if this is a debug component */
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46 PRBool special; /* true if this component is a special build */
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47
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48 char * filename; /* The original filename */
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49 char * description; /* description of this component */
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50 char * security; /* level of security in this component */
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51 char * copyright; /* The copyright for this file */
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52 char * comment; /* free form field for misc usage */
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53 char * specialString; /* the special variant for this build */
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54 } PRVersionDescription;
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55
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56 /* on NT, restore the previous packing */
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57 #ifdef _WIN32
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58 #pragma pack(pop)
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59 #endif
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60
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61 /*
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62 * All components must define an entrypoint named libVersionPoint which
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63 * is of type versionEntryPointType.
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64 *
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65 * For example, for a library named libfoo, we would have:
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66 *
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67 * PRVersionDescription prVersionDescription_libfoo =
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68 * {
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69 * ...
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70 * };
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71 *
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72 * PR_IMPLEMENT(const PRVersionDescription*) libVersionPoint(void)
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73 * {
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74 * return &prVersionDescription_libfoo;
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75 * }
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76 */
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77 typedef const PRVersionDescription *(*versionEntryPointType)(void);
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78
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79 /*
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80 * Where you declare your libVersionPoint, do it like this:
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81 * PR_IMPLEMENT(const PRVersionDescription *) libVersionPoint(void) {
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82 * fill it in...
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83 * }
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84 */
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85
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86 /*
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87 * NAMING CONVENTION FOR struct
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88 *
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89 * all components should also expose a static PRVersionDescription
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90 * The name of the struct should be calculated as follows:
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91 * Take the value of filename. (If filename is not specified, calculate
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92 * a short, unique string.) Convert all non-alphanumeric characters
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93 * to '_'. To this, prepend "PRVersionDescription_". Thus for libfoo.so,
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94 * the symbol name is "PRVersionDescription_libfoo_so".
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95 * so the file should have
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96 * PRVersionDescription PRVersionDescription_libfoo_so { fill it in };
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97 * on NT, this file should be declspec export.
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98 */
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99
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100 PR_END_EXTERN_C
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101
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102 #endif /* defined(_PRVERSION_H) */
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103
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104 /* prvrsion.h */
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105
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