| 1 |
/* |
| 2 |
* Ascend Environment Variable Imitation Tcl interface |
| 3 |
* by Ben Allan |
| 4 |
* Created: 6/3/97 |
| 5 |
* Version: $Revision: 1.7 $ |
| 6 |
* Version control file: $RCSfile: EnvVarProc.c,v $ |
| 7 |
* Date last modified: $Date: 2003/08/23 18:43:06 $ |
| 8 |
* Last modified by: $Author: ballan $ |
| 9 |
* |
| 10 |
* This file is part of the Ascend Language Interpreter. |
| 11 |
* |
| 12 |
* Copyright (C) 1997 Benjamin Andrew Allan |
| 13 |
* |
| 14 |
* The Ascend Language Interpreter is free software; you can redistribute |
| 15 |
* it and/or modify it under the terms of the GNU General Public License as |
| 16 |
* published by the Free Software Foundation; either version 2 of the |
| 17 |
* License, or (at your option) any later version. |
| 18 |
* |
| 19 |
* The Ascend Language Interpreter is distributed in hope that it will be |
| 20 |
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 22 |
* General Public License for more details. |
| 23 |
* |
| 24 |
* You should have received a copy of the GNU General Public License |
| 25 |
* along with the program; if not, write to the Free Software Foundation, |
| 26 |
* Inc., 675 Mass Ave, Cambridge, MA 02139 USA. Check the file named |
| 27 |
* COPYING. |
| 28 |
* |
| 29 |
* This file exists because win32, among others, can't keep their |
| 30 |
* POSIX compliance up. In particular, getting and setting |
| 31 |
* environment vars is exceedingly unreliable. |
| 32 |
* This file implements a general way to store and fetch multiple |
| 33 |
* paths. |
| 34 |
* It does not interact in any way the the Tcl global "env" array. |
| 35 |
*/ |
| 36 |
|
| 37 |
#include <tcl.h> |
| 38 |
#include <utilities/ascConfig.h> |
| 39 |
#include <utilities/ascMalloc.h> |
| 40 |
#include <utilities/ascEnvVar.h> |
| 41 |
#include "HelpProc.h" |
| 42 |
#include "EnvVarProc.h" |
| 43 |
|
| 44 |
#ifndef lint |
| 45 |
CONST char *EnvVarProcID = "$Id: EnvVarProc.c,v 1.7 2003/08/23 18:43:06 ballan Exp $"; |
| 46 |
#endif |
| 47 |
|
| 48 |
STDHLF(Asc_EnvVarCmd,(Asc_EnvVarCmdHL1, Asc_EnvVarCmdHL2, |
| 49 |
Asc_EnvVarCmdHL3, Asc_EnvVarCmdHL4, Asc_EnvVarCmdHL5, Asc_EnvVarCmdHL6, |
| 50 |
Asc_EnvVarCmdHL7, Asc_EnvVarCmdHL8, Asc_EnvVarCmdHL9, Asc_EnvVarCmdHL10, |
| 51 |
HLFSTOP)); |
| 52 |
|
| 53 |
int Asc_EnvVarCmd(ClientData cdata, Tcl_Interp *interp, |
| 54 |
int argc, CONST84 char *argv[]) |
| 55 |
{ |
| 56 |
char **envargv; |
| 57 |
char *path; |
| 58 |
int envargc; |
| 59 |
int c; |
| 60 |
|
| 61 |
ASCUSE; |
| 62 |
if (argc <2) { |
| 63 |
Asc_HelpGetUsage(interp,argv[0]); |
| 64 |
return TCL_ERROR; |
| 65 |
} |
| 66 |
switch (argv[1][0]) { |
| 67 |
case 'a': |
| 68 |
/* |
| 69 |
* append varname pathelement |
| 70 |
*/ |
| 71 |
if (argc != 4) { |
| 72 |
Tcl_AppendResult(interp,"wrong number of args : ", |
| 73 |
argv[0]," append var pathelement", |
| 74 |
(char *)NULL); |
| 75 |
return TCL_ERROR; |
| 76 |
} |
| 77 |
if (Asc_AppendPath(QUIET(argv[2]),QUIET(argv[3]))!=0) { |
| 78 |
Tcl_AppendResult(interp,"error appending var ",argv[2]," with ",argv[4], |
| 79 |
(char *)NULL); |
| 80 |
return TCL_ERROR; |
| 81 |
} |
| 82 |
break; |
| 83 |
case 'e': |
| 84 |
/* export var |
| 85 |
*/ |
| 86 |
if (argc != 3) { |
| 87 |
Tcl_AppendResult(interp,"wrong number of args : ", |
| 88 |
argv[0]," export var", |
| 89 |
(char *)NULL); |
| 90 |
return TCL_ERROR; |
| 91 |
} |
| 92 |
path = Asc_GetEnv(QUIET(argv[2])); |
| 93 |
if (path !=NULL) { |
| 94 |
Tcl_SetVar2(interp,"env",argv[2],path,TCL_GLOBAL_ONLY); |
| 95 |
ascfree(path); |
| 96 |
} else { |
| 97 |
Tcl_AppendResult(interp,"export ascend environment var not found : ", |
| 98 |
argv[0],argv[1],argv[2], |
| 99 |
(char *)NULL); |
| 100 |
return TCL_ERROR; |
| 101 |
} |
| 102 |
break; |
| 103 |
case 'g': |
| 104 |
/* get var |
| 105 |
*/ |
| 106 |
if (argc != 3) { |
| 107 |
Tcl_AppendResult(interp,"wrong number of args : ", |
| 108 |
argv[0]," get var", |
| 109 |
(char *)NULL); |
| 110 |
return TCL_ERROR; |
| 111 |
} |
| 112 |
path = Asc_GetEnv(QUIET(argv[2])); |
| 113 |
if (path == NULL) { |
| 114 |
Tcl_AppendResult(interp,"ascend environment var not found : ", |
| 115 |
argv[0],argv[1],argv[2], |
| 116 |
(char *)NULL); |
| 117 |
return TCL_ERROR; |
| 118 |
} |
| 119 |
Tcl_AppendResult(interp,path, (char *)NULL); |
| 120 |
ascfree(path); |
| 121 |
break; |
| 122 |
case 'i': |
| 123 |
/* import var |
| 124 |
*/ |
| 125 |
if (argc != 3) { |
| 126 |
Tcl_AppendResult(interp,"wrong number of args : ", |
| 127 |
argv[0]," import var", |
| 128 |
(char *)NULL); |
| 129 |
return TCL_ERROR; |
| 130 |
} |
| 131 |
if (Asc_ImportPathList(argv[2])!=0) { |
| 132 |
Tcl_AppendResult(interp,"C environment var not found : ", |
| 133 |
argv[0],argv[1],argv[2], |
| 134 |
(char *)NULL); |
| 135 |
return TCL_ERROR; |
| 136 |
} |
| 137 |
break; |
| 138 |
case 'l': |
| 139 |
/* list var |
| 140 |
*/ |
| 141 |
if (argc != 3) { |
| 142 |
Tcl_AppendResult(interp,"wrong number of args : ", |
| 143 |
argv[0]," list var", |
| 144 |
(char *)NULL); |
| 145 |
return TCL_ERROR; |
| 146 |
} |
| 147 |
envargv = Asc_GetPathList(QUIET(argv[2]),&envargc); |
| 148 |
if (envargv==NULL || envargc <1) { |
| 149 |
Tcl_AppendResult(interp,"ascend environment var not found : ", |
| 150 |
argv[0],argv[1],argv[2], |
| 151 |
(char *)NULL); |
| 152 |
return TCL_ERROR; |
| 153 |
} |
| 154 |
for (c = 0; c < envargc; c++) { |
| 155 |
Tcl_AppendElement(interp,envargv[c]); |
| 156 |
} |
| 157 |
ascfree(envargv); |
| 158 |
break; |
| 159 |
case 'n': |
| 160 |
/* names |
| 161 |
*/ |
| 162 |
if (argc != 2) { |
| 163 |
Tcl_AppendResult(interp,"wrong number of args : ", |
| 164 |
argv[0]," names", |
| 165 |
(char *)NULL); |
| 166 |
return TCL_ERROR; |
| 167 |
} |
| 168 |
envargv = Asc_EnvNames(&envargc); |
| 169 |
if (envargv==NULL || envargc <1) { |
| 170 |
Tcl_AppendElement(interp,""); |
| 171 |
} else { |
| 172 |
for (c = 0; c < envargc; c++) { |
| 173 |
Tcl_AppendElement(interp,envargv[c]); |
| 174 |
} |
| 175 |
ascfree(envargv); |
| 176 |
} |
| 177 |
break; |
| 178 |
case 'p': |
| 179 |
/* put input_string |
| 180 |
*/ |
| 181 |
if (argc != 3) { |
| 182 |
Tcl_AppendResult(interp,"wrong number of args : ", |
| 183 |
argv[0]," put putenv_string", |
| 184 |
(char *)NULL); |
| 185 |
return TCL_ERROR; |
| 186 |
} |
| 187 |
if (Asc_PutEnv(QUIET(argv[2]))!=0) { |
| 188 |
Tcl_AppendResult(interp,"error in processing: ", |
| 189 |
argv[0],argv[1],argv[2], |
| 190 |
(char *)NULL); |
| 191 |
return TCL_ERROR; |
| 192 |
} |
| 193 |
break; |
| 194 |
case 's': |
| 195 |
/* set var path |
| 196 |
*/ |
| 197 |
if (argc != 4) { |
| 198 |
Tcl_AppendResult(interp,"wrong number of args : ", |
| 199 |
argv[0]," set var path", |
| 200 |
(char *)NULL); |
| 201 |
return TCL_ERROR; |
| 202 |
} |
| 203 |
if (Asc_SetPathList(argv[2],argv[3])!=0) { |
| 204 |
Tcl_AppendResult(interp,"error in processing: ", |
| 205 |
argv[0],argv[1],argv[2], argv[3], |
| 206 |
(char *)NULL); |
| 207 |
return TCL_ERROR; |
| 208 |
} |
| 209 |
break; |
| 210 |
default: |
| 211 |
Asc_HelpGetUsage(interp,argv[0]); |
| 212 |
return TCL_ERROR; |
| 213 |
} |
| 214 |
return TCL_OK; |
| 215 |
} |
Parent Directory
| 
Revision Log