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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_group_h) |
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24 #define octave_group_h 1 |
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25 |
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26 #include <string> |
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27 |
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28 #ifdef HAVE_SYS_TYPES_H |
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29 #include <sys/types.h> |
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30 #endif |
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31 |
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32 #include "str-vec.h" |
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33 |
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34 class |
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35 octave_group |
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36 { |
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37 public: |
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38 |
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39 octave_group (void) |
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40 : gr_name (), gr_passwd (), gr_gid (0), gr_mem (), valid (false) |
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41 { } |
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42 |
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43 octave_group (const octave_group& gr) |
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44 : gr_name (gr.gr_name), gr_passwd (gr.gr_passwd), |
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45 gr_gid (gr.gr_gid), gr_mem (gr.gr_mem), valid (gr.valid) |
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46 { } |
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47 |
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48 octave_group& operator = (const octave_group& gr) |
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49 { |
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50 if (this != &gr) |
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51 { |
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52 gr_name = gr.gr_name; |
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53 gr_passwd = gr.gr_passwd; |
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54 gr_gid = gr.gr_gid; |
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55 gr_mem = gr.gr_mem; |
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56 valid = gr.valid; |
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57 } |
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58 |
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59 return *this; |
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60 } |
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61 |
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62 std::string name (void) const; |
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63 |
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64 std::string passwd (void) const; |
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65 |
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66 gid_t gid (void) const; |
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67 |
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68 string_vector mem (void) const; |
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69 |
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70 bool ok (void) const { return valid; } |
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71 |
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72 operator bool () const { return ok (); } |
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73 |
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74 static octave_group getgrent (void); |
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75 static octave_group getgrent (std::string& msg); |
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76 |
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77 static octave_group getgrgid (gid_t gid); |
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78 static octave_group getgrgid (gid_t gid, std::string& msg); |
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79 |
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80 static octave_group getgrnam (const std::string& nm); |
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81 static octave_group getgrnam (const std::string& nm, std::string& msg); |
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82 |
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83 static int setgrent (void); |
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84 static int setgrent (std::string& msg); |
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85 |
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86 static int endgrent (void); |
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87 static int endgrent (std::string& msg); |
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88 |
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89 private: |
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90 |
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91 // The group name. |
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92 std::string gr_name; |
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93 |
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94 // The group password. |
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95 std::string gr_passwd; |
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96 |
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97 // The numeric group id. |
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98 gid_t gr_gid; |
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99 |
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100 // The members of the group; |
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101 string_vector gr_mem; |
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102 |
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103 // Flag that says whether we have been properly initialized. |
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104 bool valid; |
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105 |
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106 // This is how we will create an octave_group object from a pointer |
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107 // to a struct group. |
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108 octave_group (void *p, std::string& msg); |
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109 |
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110 void gripe_invalid (void) const; |
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111 }; |
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112 |
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113 #endif |
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114 |
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115 /* |
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116 ;;; Local Variables: *** |
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117 ;;; mode: C++ *** |
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118 ;;; End: *** |
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119 */ |
