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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 /* |
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24 |
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25 The function gethostname was adapted from a similar function from GNU |
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26 Bash, the Bourne Again SHell, copyright (C) 1987, 1989, 1991 Free |
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27 Software Foundation, Inc. |
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28 |
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29 */ |
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30 |
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31 #ifdef HAVE_CONFIG_H |
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32 #include <config.h> |
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33 #endif |
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34 |
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35 #include <string> |
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36 |
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37 #include <iostream.h> |
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38 |
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39 #ifdef HAVE_UNISTD_H |
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40 #ifdef HAVE_SYS_TYPES_H |
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41 #include <sys/types.h> |
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42 #endif |
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43 #include <unistd.h> |
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44 #endif |
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45 |
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46 #if ! defined (HAVE_GETHOSTNAME) && defined (HAVE_SYS_UTSNAME_H) |
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47 #include <sys/utsname.h> |
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48 #endif |
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49 |
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50 #include "lo-error.h" |
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51 #include "pathlen.h" |
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52 |
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53 string |
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54 octave_getcwd (void) |
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55 { |
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56 string retval; |
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57 |
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58 char buf[MAXPATHLEN]; |
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59 |
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60 char *tmp = 0; |
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61 |
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62 #if defined (__EMX__) |
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63 tmp = _getcwd2 (buf, MAXPATHLEN); |
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64 #elif defined (HAVE_GETWD) |
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65 tmp = getwd (buf); |
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66 #elif defined (HAVE_GETCWD) |
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67 tmp = getcwd (buf, MAXPATHLEN); |
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68 #endif |
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69 |
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70 if (tmp) |
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71 retval = tmp; |
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72 else |
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73 (*current_liboctave_error_handler) ("unable to find current directory"); |
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74 |
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75 return retval; |
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76 } |
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77 |
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78 int |
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79 octave_chdir (const string& path) |
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80 { |
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81 #if defined (__EMX__) |
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82 int retval = -1; |
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83 |
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84 char *tmp_path = strsave (path.c_str ()); |
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85 |
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86 if (path.length () == 2 && path[1] == ':') |
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87 { |
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88 char *upper_case_dir_name = strupr (tmp_path); |
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89 _chdrive (upper_case_dir_name[0]); |
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90 if (_getdrive () == upper_case_dir_name[0]) |
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91 retval = _chdir2 ("/"); |
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92 } |
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93 else |
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94 retval = _chdir2 (tmp_path); |
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95 |
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96 delete [] tmp_path; |
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97 |
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98 return retval; |
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99 #else |
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100 return chdir (path.c_str ()); |
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101 #endif |
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102 } |
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103 |
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104 #if ! defined (HAVE_GETHOSTNAME) && defined (HAVE_SYS_UTSNAME_H) |
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105 |
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106 int |
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107 gethostname (char *name, int namelen) |
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108 { |
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109 int i; |
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110 struct utsname ut; |
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111 |
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112 --namelen; |
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113 |
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114 uname (&ut); |
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115 i = strlen (ut.nodename) + 1; |
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116 strncpy (name, ut.nodename, i < namelen ? i : namelen); |
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117 name[namelen] = '\0'; |
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118 |
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119 return 0; |
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120 } |
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121 |
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122 #endif |
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123 |
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124 /* |
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125 ;;; Local Variables: *** |
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126 ;;; mode: C++ *** |
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127 ;;; End: *** |
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128 */ |
