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886 lines
52 KiB
HTML
886 lines
52 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<!-- This HTML file generated by cxref (version 1.6a). -->
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<!-- cxref program (c) Andrew M. Bishop 1995,96,97,98,99,2000,01,02,03,04,05. -->
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<!--
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Cxref: cxref -block-comments -verbatim-comments -xref-all -index-all -html-src -Oxref init.c
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CPP : cxref-cpp -lang-c -C -dD -dI
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-->
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<HTML>
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<HEAD>
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<TITLE>Source File init.c</TITLE>
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<LINK rel="stylesheet" href="cxref.css" type="text/css">
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</HEAD>
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<BODY>
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<pre>
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<a name="line1">1 |</a> /*****
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<a name="line2">2 |</a> ** ** Module Header ******************************************************* **
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<a name="line3">3 |</a> ** **
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<a name="line4">4 |</a> ** Modules Revision 3.0 **
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<a name="line5">5 |</a> ** Providing a flexible user environment **
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<a name="line6">6 |</a> ** **
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<a name="line7">7 |</a> ** File: init.c **
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<a name="line8">8 |</a> ** First Edition: 1991/10/23 **
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<a name="line9">9 |</a> ** **
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<a name="line10">10 |</a> ** Authors: John Furlan, jlf@behere.com **
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<a name="line11">11 |</a> ** Jens Hamisch, jens@Strawberry.COM **
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<a name="line12">12 |</a> ** **
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<a name="line13">13 |</a> ** Description: The initialization routines for Tcl Modules. **
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<a name="line14">14 |</a> ** Primarily the setup of the different Tcl module **
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<a name="line15">15 |</a> ** commands and the global hash tables are initialized **
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<a name="line16">16 |</a> ** here. The initial storage of the begining **
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<a name="line17">17 |</a> ** environment is here as well. **
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<a name="line18">18 |</a> ** **
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<a name="line19">19 |</a> ** Exports: Initialize_Tcl **
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<a name="line20">20 |</a> ** Module_Tcl_ExitCmd **
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<a name="line21">21 |</a> ** InitializeModuleCommands **
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<a name="line22">22 |</a> ** Setup_Environment **
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<a name="line23">23 |</a> ** TieStdout **
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<a name="line24">24 |</a> ** UnTieStdout **
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<a name="line25">25 |</a> ** SetStartupFiles **
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<a name="line26">26 |</a> ** **
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<a name="line27">27 |</a> ** Notes: **
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<a name="line28">28 |</a> ** **
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<a name="line29">29 |</a> ** ************************************************************************ **
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<a name="line30">30 |</a> ****/
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<a name="line31">31 |</a>
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<a name="line32">32 |</a> /** ** Copyright *********************************************************** **
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<a name="line33">33 |</a> ** **
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<a name="line34">34 |</a> ** Copyright 1991-1994 by John L. Furlan. **
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<a name="line35">35 |</a> ** see LICENSE.GPL, which must be provided, for details **
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<a name="line36">36 |</a> ** **
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<a name="line37">37 |</a> ** ************************************************************************ **/
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<a name="line38">38 |</a>
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<a name="line39">39 |</a> static char Id[] = "@(#)$Id: init.c.src.html,v 1.6 2006/01/18 05:35:11 rkowen Exp $";
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<a name="line40">40 |</a> static void *UseId[] = { &UseId, Id };
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<a name="line41">41 |</a>
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<a name="line42">42 |</a> /** ************************************************************************ **/
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<a name="line43">43 |</a> /** HEADERS **/
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<a name="line44">44 |</a> /** ************************************************************************ **/
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<a name="line45">45 |</a>
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<a name="line46">46 |</a> #include "modules_def.h"
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<a name="line47">47 |</a>
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<a name="line48">48 |</a> #ifdef HAS_TCLXLIBS
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<a name="line49">49 |</a> #include "tclExtend.h"
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<a name="line50">50 |</a> #endif /* HAS_TCLXLIBS */
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<a name="line51">51 |</a>
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<a name="line52">52 |</a> /** ************************************************************************ **/
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<a name="line53">53 |</a> /** LOCAL DATATYPES **/
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<a name="line54">54 |</a> /** ************************************************************************ **/
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<a name="line55">55 |</a>
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<a name="line56">56 |</a> /** not applicable **/
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<a name="line57">57 |</a>
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<a name="line58">58 |</a> /** ************************************************************************ **/
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<a name="line59">59 |</a> /** CONSTANTS **/
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<a name="line60">60 |</a> /** ************************************************************************ **/
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<a name="line61">61 |</a>
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<a name="line62">62 |</a> /** not applicable **/
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<a name="line63">63 |</a>
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<a name="line64">64 |</a> /** ************************************************************************ **/
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<a name="line65">65 |</a> /** MACROS **/
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<a name="line66">66 |</a> /** ************************************************************************ **/
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<a name="line67">67 |</a>
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<a name="line68">68 |</a> /** not applicable **/
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<a name="line69">69 |</a>
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<a name="line70">70 |</a> /** ************************************************************************ **/
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<a name="line71">71 |</a> /** LOCAL DATA **/
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<a name="line72">72 |</a> /** ************************************************************************ **/
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<a name="line73">73 |</a>
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<a name="line74">74 |</a> static char module_name[] = "init.c"; /** File name of this module **/
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<a name="line75">75 |</a>
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<a name="line76">76 |</a> #if WITH_DEBUGGING_CALLBACK
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<a name="line77">77 |</a> static char _proc_Module_Tcl_ExitCmd[] = "Module_Tcl_ExitCmd";
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<a name="line78">78 |</a> #endif
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<a name="line79">79 |</a> #if WITH_DEBUGGING_INIT
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<a name="line80">80 |</a> static char _proc_InitializeModuleCommands[] = "InitializeModuleCommands";
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<a name="line81">81 |</a> static char _proc_Initialize_Tcl[] = "Initialize_Tcl";
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<a name="line82">82 |</a> static char _proc_Setup_Environment[] = "Setup_Environment";
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<a name="line83">83 |</a> #endif
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<a name="line84">84 |</a> #if WITH_DEBUGGING_UTIL_2
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<a name="line85">85 |</a> static char _proc_TieStdout[] = "TieStdout";
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<a name="line86">86 |</a> static char _proc_UnTieStdout[] = "UnTieStdout";
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<a name="line87">87 |</a> #endif
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<a name="line88">88 |</a> #if WITH_DEBUGGING_UTIL
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<a name="line89">89 |</a> static char _proc_SetStartupFiles[] = "SetStartupFiles";
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<a name="line90">90 |</a> #endif
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<a name="line91">91 |</a> #if WITH_DEBUGGING_UTIL_3
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<a name="line92">92 |</a> static char _proc_set_shell_properties[] = "set_shell_properties";
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<a name="line93">93 |</a> #endif
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<a name="line94">94 |</a>
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<a name="line95">95 |</a> /** These are the recognized startup files that the given shells
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<a name="line96">96 |</a> ** use. If your site uses a different set, make the modifications here.
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<a name="line97">97 |</a> ** Give the names and the order they should be searched. The lists
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<a name="line98">98 |</a> ** must be null terminated.
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<a name="line99">99 |</a> **/
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<a name="line100">100 |</a>
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<a name="line101">101 |</a> /** CSH **/
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<a name="line102">102 |</a> static char *cshStartUps[] = {
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<a name="line103">103 |</a> ".modules", ".cshrc" DOT_EXT, ".csh_variables", ".login" DOT_EXT, NULL
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<a name="line104">104 |</a> };
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<a name="line105">105 |</a> /** TCSH **/
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<a name="line106">106 |</a>
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<a name="line107">107 |</a> static char *tcshStartUps[] = {
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<a name="line108">108 |</a> ".modules", ".tcshrc", ".cshrc" DOT_EXT, ".csh_variables",
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<a name="line109">109 |</a> ".login" DOT_EXT, NULL
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<a name="line110">110 |</a> };
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<a name="line111">111 |</a>
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<a name="line112">112 |</a> /** SH and KSH **/
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<a name="line113">113 |</a> /** KSH uses whatever is pointed to by $ENV, which is usually named .kshenv
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<a name="line114">114 |</a> ** (TODO) have it read $ENV and use the value
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<a name="line115">115 |</a> **/
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<a name="line116">116 |</a>
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<a name="line117">117 |</a> static char *shStartUps[] = {
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<a name="line118">118 |</a> ".modules", ".profile" DOT_EXT, ".kshenv" DOT_EXT, NULL
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<a name="line119">119 |</a> };
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<a name="line120">120 |</a>
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<a name="line121">121 |</a> /** BASH **/
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<a name="line122">122 |</a> /** BASH uses whatever is pointed to by $ENV, for non-interactive shells
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<a name="line123">123 |</a> ** and for POSIX compliance
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<a name="line124">124 |</a> ** (TODO) have it read $ENV and use the value
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<a name="line125">125 |</a> **/
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<a name="line126">126 |</a>
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<a name="line127">127 |</a> static char *bashStartUps[] = {
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<a name="line128">128 |</a> ".modules", ".bash_profile", ".bash_login",
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<a name="line129">129 |</a> ".profile" DOT_EXT, ".bashrc" DOT_EXT, NULL
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<a name="line130">130 |</a> };
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<a name="line131">131 |</a>
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<a name="line132">132 |</a> /** ZSH **/
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<a name="line133">133 |</a>
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<a name="line134">134 |</a> static char *zshStartUps[] = {
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<a name="line135">135 |</a> ".modules", ".zshrc" DOT_EXT, ".zshenv" DOT_EXT, ".zlogin" DOT_EXT, NULL
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<a name="line136">136 |</a> };
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<a name="line137">137 |</a>
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<a name="line138">138 |</a> /** All the remaining "shells" are not supposed to use startup files **/
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<a name="line139">139 |</a>
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<a name="line140">140 |</a> static char *genericStartUps[] = {
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<a name="line141">141 |</a> NULL
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<a name="line142">142 |</a> };
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<a name="line143">143 |</a>
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<a name="line144">144 |</a> /** The shell properties matrix - global pointers are set to elements of
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<a name="line145">145 |</a> ** this array
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<a name="line146">146 |</a> **/
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<a name="line147">147 |</a> static char *shellprops [][4] = {
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<a name="line148">148 |</a> /* shell derelict init cmd sep */
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<a name="line149">149 |</a> {"csh", "csh", "csh", ";"},
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<a name="line150">150 |</a> {"tcsh", "csh", "csh", ";"},
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<a name="line151">151 |</a> {"sh", "sh", "sh", ";"},
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<a name="line152">152 |</a> {"ksh", "sh", "ksh", ";"},
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<a name="line153">153 |</a> {"bash", "sh", "bash", ";"},
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<a name="line154">154 |</a> {"zsh", "sh", "zsh", ";"},
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<a name="line155">155 |</a> {"perl", "perl", "perl", ";"},
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<a name="line156">156 |</a> {"python", "python", "python", "\n"},
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<a name="line157">157 |</a> {"scm", "scm", NULL, "\n"},
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<a name="line158">158 |</a> {"scheme", "scm", NULL, "\n"},
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<a name="line159">159 |</a> {"guile", "scm", NULL, "\n"},
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<a name="line160">160 |</a> {"mel", "mel", NULL, ";"},
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<a name="line161">161 |</a> {NULL, NULL, NULL, NULL},
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<a name="line162">162 |</a> };
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<a name="line163">163 |</a>
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<a name="line164">164 |</a> /** ************************************************************************ **/
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<a name="line165">165 |</a> /** PROTOTYPES **/
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<a name="line166">166 |</a> /** ************************************************************************ **/
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<a name="line167">167 |</a>
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<a name="line168">168 |</a> static char *set_shell_properties( const char *name);
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<a name="line169">169 |</a>
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<a name="line170">170 |</a>
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<a name="line171">171 |</a> /*++++
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<a name="line172">172 |</a> ** ** Function-Header ***************************************************** **
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<a name="line173">173 |</a> ** **
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<a name="line174">174 |</a> ** Function: Module_Tcl_ExitCmd **
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<a name="line175">175 |</a> ** **
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<a name="line176">176 |</a> ** Description: Error (???) exit routine **
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<a name="line177">177 |</a> ** **
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<a name="line178">178 |</a> ** First Edition: 1991/10/23 **
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<a name="line179">179 |</a> ** **
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<a name="line180">180 |</a> ** Parameters: ClientData client_data **
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<a name="line181">181 |</a> ** Tcl_Interp* interp The attached Tcl **
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<a name="line182">182 |</a> ** interpreter **
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<a name="line183">183 |</a> ** int argc Number of arguments **
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<a name="line184">184 |</a> ** char *argv[] Array of arguments **
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<a name="line185">185 |</a> ** to the module command**
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<a name="line186">186 |</a> ** **
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<a name="line187">187 |</a> ** Result: int TCL_ERROR Exit on error **
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<a name="line188">188 |</a> ** **
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<a name="line189">189 |</a> ** Attached Globals: **
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<a name="line190">190 |</a> ** **
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<a name="line191">191 |</a> ** ************************************************************************ **
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<a name="line192">192 |</a> ++++*/
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<a name="line193">193 |</a>
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<a name="line194">194 |</a> int Module_Tcl_ExitCmd( ClientData client_data,
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<a name="line195">195 |</a> Tcl_Interp *interp,
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<a name="line196">196 |</a> int argc,
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<a name="line197">197 |</a> CONST84 char *argv[])
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<a name="line198">198 |</a> {
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<a name="line199">199 |</a> char *buffer; /** Buffer for sprintf **/
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<a name="line200">200 |</a> int value; /** Return value from exit command **/
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<a name="line201">201 |</a>
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<a name="line202">202 |</a> #if WITH_DEBUGGING_CALLBACK
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<a name="line203">203 |</a> ErrorLogger( NO_ERR_START, LOC, _proc_Module_Tcl_ExitCmd, NULL);
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<a name="line204">204 |</a> #endif
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<a name="line205">205 |</a>
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<a name="line206">206 |</a> /**
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<a name="line207">207 |</a> ** Check the number of arguments. The exit command may take no or one
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<a name="line208">208 |</a> ** parameter. So the following is legal:
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<a name="line209">209 |</a> ** exit;
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<a name="line210">210 |</a> ** exit value;
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<a name="line211">211 |</a> **/
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<a name="line212">212 |</a> if((argc != 1) && (argc != 2))
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<a name="line213">213 |</a> if( OK != ErrorLogger( ERR_USAGE, LOC, argv[0], "?returnCode?", NULL))
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<a name="line214">214 |</a> goto unwind0;
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<a name="line215">215 |</a>
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<a name="line216">216 |</a> /**
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<a name="line217">217 |</a> ** If the exit command comes with an paramter, set up the TCL result.
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<a name="line218">218 |</a> ** Otherwise the result is 0.
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<a name="line219">219 |</a> **/
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<a name="line220">220 |</a> if( argc == 1) {
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<a name="line221">221 |</a> value = 0;
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<a name="line222">222 |</a> } else if( Tcl_GetInt( interp, argv[1], &value) != TCL_OK) {
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<a name="line223">223 |</a> if( OK != ErrorLogger( ERR_PARAM, LOC, argv[1], NULL))
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<a name="line224">224 |</a> goto unwind0;
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<a name="line225">225 |</a> }
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<a name="line226">226 |</a>
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<a name="line227">227 |</a> /**
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<a name="line228">228 |</a> ** Allocate memory
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<a name="line229">229 |</a> **/
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<a name="line230">230 |</a> if((char *) NULL == (buffer = stringer(NULL,25,NULL)))
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<a name="line231">231 |</a> if( OK != ErrorLogger( ERR_STRING, LOC, NULL))
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<a name="line232">232 |</a> goto unwind0;
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<a name="line233">233 |</a>
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<a name="line234">234 |</a> sprintf( buffer, "EXIT %d", value);
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<a name="line235">235 |</a> Tcl_SetResult( interp, buffer, NULL);
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<a name="line236">236 |</a>
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<a name="line237">237 |</a> /**
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<a name="line238">238 |</a> ** Exit from this module command.
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<a name="line239">239 |</a> ** ??? Why hardcoded on error ???
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<a name="line240">240 |</a> **/
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<a name="line241">241 |</a> #if WITH_DEBUGGING_CALLBACK
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<a name="line242">242 |</a> ErrorLogger( NO_ERR_END, LOC, _proc_Module_Tcl_ExitCmd, NULL);
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<a name="line243">243 |</a> #endif
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<a name="line244">244 |</a>
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<a name="line245">245 |</a> unwind0:
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<a name="line246">246 |</a> return( TCL_ERROR);
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<a name="line247">247 |</a>
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<a name="line248">248 |</a> } /** End of 'Module_Tcl_ExitCmd' **/
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<a name="line249">249 |</a>
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<a name="line250">250 |</a> /*++++
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<a name="line251">251 |</a> ** ** Function-Header ***************************************************** **
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<a name="line252">252 |</a> ** **
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<a name="line253">253 |</a> ** Function: Initialize_Tcl **
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<a name="line254">254 |</a> ** **
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<a name="line255">255 |</a> ** Description: This procedure is called from 'main' in order to ini-**
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<a name="line256">256 |</a> ** tialize the whole thing. The arguments specified on **
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<a name="line257">257 |</a> ** the invoking command line are passed to here. **
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<a name="line258">258 |</a> ** **
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<a name="line259">259 |</a> ** First Edition: 1991/10/23 **
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<a name="line260">260 |</a> ** **
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<a name="line261">261 |</a> ** Parameters: Tcl_Interp **interp Buffer to store the **
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<a name="line262">262 |</a> ** Tcl interpr. handle **
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<a name="line263">263 |</a> ** int argc Number od args and **
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<a name="line264">264 |</a> ** char *argv[] arg. array from the **
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<a name="line265">265 |</a> ** shell command line **
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<a name="line266">266 |</a> ** char *environ[] Process environment **
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<a name="line267">267 |</a> ** **
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<a name="line268">268 |</a> ** Result: int **
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<a name="line269">269 |</a> ** **
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<a name="line270">270 |</a> ** Attached Globals: *Ptr will be initialized **
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<a name="line271">271 |</a> ** *HashTable will be allocated and initialized **
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<a name="line272">272 |</a> ** **
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<a name="line273">273 |</a> ** ************************************************************************ **
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<a name="line274">274 |</a> ++++*/
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<a name="line275">275 |</a>
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<a name="line276">276 |</a> int Initialize_Tcl( Tcl_Interp **interp,
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<a name="line277">277 |</a> int argc,
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<a name="line278">278 |</a> char *argv[],
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<a name="line279">279 |</a> char *environ[])
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<a name="line280">280 |</a> {
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<a name="line281">281 |</a> int Result = TCL_ERROR;
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<a name="line282">282 |</a> char * tmp;
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<a name="line283">283 |</a>
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<a name="line284">284 |</a> #if WITH_DEBUGGING_INIT
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<a name="line285">285 |</a> ErrorLogger( NO_ERR_START, LOC, _proc_Initialize_Tcl, NULL);
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<a name="line286">286 |</a> #endif
|
|
<a name="line287">287 |</a>
|
|
<a name="line288">288 |</a> /**
|
|
<a name="line289">289 |</a> ** Check the command syntax. Since this is already done
|
|
<a name="line290">290 |</a> ** Less than 3 parameters isn't valid. Invocation should be
|
|
<a name="line291">291 |</a> ** 'modulecmd <shell> <command>'
|
|
<a name="line292">292 |</a> **/
|
|
<a name="line293">293 |</a> if(argc < 2)
|
|
<a name="line294">294 |</a> if( OK != ErrorLogger( ERR_USAGE, LOC, argv[0], " shellname", NULL))
|
|
<a name="line295">295 |</a> goto unwind0;
|
|
<a name="line296">296 |</a>
|
|
<a name="line297">297 |</a> /**
|
|
<a name="line298">298 |</a> ** Check the first parameter to modulcmd for a known shell type
|
|
<a name="line299">299 |</a> ** and set the shell properties
|
|
<a name="line300">300 |</a> **/
|
|
<a name="line301">301 |</a> if( !set_shell_properties( argv[1]))
|
|
<a name="line302">302 |</a> if( OK != ErrorLogger( ERR_SHELL, LOC, argv[1], NULL))
|
|
<a name="line303">303 |</a> goto unwind0;
|
|
<a name="line304">304 |</a>
|
|
<a name="line305">305 |</a> /**
|
|
<a name="line306">306 |</a> ** Create a Tcl interpreter in order to proceed the command. Initialize
|
|
<a name="line307">307 |</a> ** this interpreter and set up pointers to all Tcl Module commands
|
|
<a name="line308">308 |</a> ** (InitializeModuleCommands)
|
|
<a name="line309">309 |</a> **/
|
|
<a name="line310">310 |</a>
|
|
<a name="line311">311 |</a> #ifdef __CYGWIN__
|
|
<a name="line312">312 |</a> /* ABr, 12/10/01: from Cygwin stuff */
|
|
<a name="line313">313 |</a> Tcl_FindExecutable( argv[0] ) ;
|
|
<a name="line314">314 |</a> #endif
|
|
<a name="line315">315 |</a>
|
|
<a name="line316">316 |</a> *interp = Tcl_CreateInterp();
|
|
<a name="line317">317 |</a> if( TCL_OK != (Result = InitializeModuleCommands( *interp)))
|
|
<a name="line318">318 |</a> goto unwind0;
|
|
<a name="line319">319 |</a>
|
|
<a name="line320">320 |</a> /**
|
|
<a name="line321">321 |</a> ** Now set up the hash-tables for shell environment modifications.
|
|
<a name="line322">322 |</a> ** For a description of these tables have a look at main.c, where
|
|
<a name="line323">323 |</a> ** they're defined. The tables have to be allocated and thereafter
|
|
<a name="line324">324 |</a> ** initialized. Exit from the whole program in case allocation fails.
|
|
<a name="line325">325 |</a> **/
|
|
<a name="line326">326 |</a> if( ( ! ( setenvHashTable =
|
|
<a name="line327">327 |</a> (Tcl_HashTable*) malloc( sizeof(Tcl_HashTable))) ) ||
|
|
<a name="line328">328 |</a> ( ! ( unsetenvHashTable =
|
|
<a name="line329">329 |</a> (Tcl_HashTable*) malloc( sizeof(Tcl_HashTable))) ) ||
|
|
<a name="line330">330 |</a> ( ! ( aliasSetHashTable =
|
|
<a name="line331">331 |</a> (Tcl_HashTable*) malloc( sizeof(Tcl_HashTable))) ) ||
|
|
<a name="line332">332 |</a> ( ! ( aliasUnsetHashTable =
|
|
<a name="line333">333 |</a> (Tcl_HashTable*) malloc( sizeof(Tcl_HashTable))) ) ||
|
|
<a name="line334">334 |</a> ( ! ( markVariableHashTable =
|
|
<a name="line335">335 |</a> (Tcl_HashTable*) malloc( sizeof(Tcl_HashTable))) ) ||
|
|
<a name="line336">336 |</a> ( ! ( markAliasHashTable =
|
|
<a name="line337">337 |</a> (Tcl_HashTable*) malloc( sizeof(Tcl_HashTable))) ) ) {
|
|
<a name="line338">338 |</a>
|
|
<a name="line339">339 |</a> if( OK != ErrorLogger( ERR_ALLOC, LOC, NULL))
|
|
<a name="line340">340 |</a> goto unwind0;
|
|
<a name="line341">341 |</a> }
|
|
<a name="line342">342 |</a>
|
|
<a name="line343">343 |</a> Tcl_InitHashTable( setenvHashTable, TCL_STRING_KEYS);
|
|
<a name="line344">344 |</a> Tcl_InitHashTable( unsetenvHashTable, TCL_STRING_KEYS);
|
|
<a name="line345">345 |</a> Tcl_InitHashTable( aliasSetHashTable, TCL_STRING_KEYS);
|
|
<a name="line346">346 |</a> Tcl_InitHashTable( aliasUnsetHashTable, TCL_STRING_KEYS);
|
|
<a name="line347">347 |</a> Tcl_InitHashTable( markVariableHashTable, TCL_STRING_KEYS);
|
|
<a name="line348">348 |</a> Tcl_InitHashTable( markAliasHashTable, TCL_STRING_KEYS);
|
|
<a name="line349">349 |</a>
|
|
<a name="line350">350 |</a> #ifdef BEGINENV
|
|
<a name="line351">351 |</a> # if BEGINENV == 99
|
|
<a name="line352">352 |</a> /**
|
|
<a name="line353">353 |</a> ** Check for the existence of the environment variable
|
|
<a name="line354">354 |</a> ** "MODULESBEGINENV". This signals that for this
|
|
<a name="line355">355 |</a> ** configuration that the user wants to record the initial
|
|
<a name="line356">356 |</a> ** environment as seen for the first time by the module
|
|
<a name="line357">357 |</a> ** command into the filename given in the MODULESBEGINENV
|
|
<a name="line358">358 |</a> ** environment variable (which can have one level of
|
|
<a name="line359">359 |</a> ** variable expansion). Whether it's the first time or not
|
|
<a name="line360">360 |</a> ** is moderated by the existence of environment variable
|
|
<a name="line361">361 |</a> ** _MODULESBEGINENV_ or not.
|
|
<a name="line362">362 |</a> **
|
|
<a name="line363">363 |</a> ** The update command will use this information to reinitialize the
|
|
<a name="line364">364 |</a> ** environment and then reload every modulefile that has been loaded
|
|
<a name="line365">365 |</a> ** since as stored in the LOADEDMODULES environment variable in order.
|
|
<a name="line366">366 |</a> **/
|
|
<a name="line367">367 |</a> if( (tmp = xgetenv( "MODULESBEGINENV")) ) {
|
|
<a name="line368">368 |</a> /* MODULESBEGINENV is set ... use it */
|
|
<a name="line369">369 |</a>
|
|
<a name="line370">370 |</a> if( !getenv( "_MODULESBEGINENV_") ) {
|
|
<a name="line371">371 |</a> FILE* file;
|
|
<a name="line372">372 |</a> if( (file = fopen(tmp, "w+")) ) {
|
|
<a name="line373">373 |</a> int i=0;
|
|
<a name="line374">374 |</a> while( environ[i]) {
|
|
<a name="line375">375 |</a> fprintf( file, "%s\n", environ[i++]);
|
|
<a name="line376">376 |</a> }
|
|
<a name="line377">377 |</a> moduleSetenv( *interp, "_MODULESBEGINENV_", tmp, 1);
|
|
<a name="line378">378 |</a> fclose( file);
|
|
<a name="line379">379 |</a> } else
|
|
<a name="line380">380 |</a> if( OK != ErrorLogger( ERR_OPEN, LOC,(*interp)->result,
|
|
<a name="line381">381 |</a> "append", NULL))
|
|
<a name="line382">382 |</a> goto unwind0;
|
|
<a name="line383">383 |</a>
|
|
<a name="line384">384 |</a> null_free((void *) &tmp);
|
|
<a name="line385">385 |</a> }
|
|
<a name="line386">386 |</a> }
|
|
<a name="line387">387 |</a> # else
|
|
<a name="line388">388 |</a> /**
|
|
<a name="line389">389 |</a> ** Check for the existence of the
|
|
<a name="line390">390 |</a> ** environment variable "_MODULESBEGINENV_". If it is set, then
|
|
<a name="line391">391 |</a> ** do nothing, otherwise, Store every environment variable into
|
|
<a name="line392">392 |</a> ** ~/.modulesbeginenv. This will be used to store the environment
|
|
<a name="line393">393 |</a> ** variables exactly as it was when Modules saw it for the very first
|
|
<a name="line394">394 |</a> ** time.
|
|
<a name="line395">395 |</a> **
|
|
<a name="line396">396 |</a> ** The update command will use this information to reinitialize the
|
|
<a name="line397">397 |</a> ** environment and then reload every modulefile that has been loaded
|
|
<a name="line398">398 |</a> ** since as stored in the LOADEDMODULES environment variable in order.
|
|
<a name="line399">399 |</a> **/
|
|
<a name="line400">400 |</a> if( !getenv( "_MODULESBEGINENV_") ) {
|
|
<a name="line401">401 |</a> /* use .modulesbeginenv */
|
|
<a name="line402">402 |</a>
|
|
<a name="line403">403 |</a> FILE* file;
|
|
<a name="line404">404 |</a>
|
|
<a name="line405">405 |</a> char savefile[] = "/.modulesbeginenv";
|
|
<a name="line406">406 |</a> char *buffer;
|
|
<a name="line407">407 |</a>
|
|
<a name="line408">408 |</a> tmp = getenv("HOME");
|
|
<a name="line409">409 |</a> if((char *) NULL == (tmp = getenv("HOME")))
|
|
<a name="line410">410 |</a> if( OK != ErrorLogger( ERR_HOME, LOC, NULL))
|
|
<a name="line411">411 |</a> goto unwind0;
|
|
<a name="line412">412 |</a>
|
|
<a name="line413">413 |</a> if((char *) NULL == (buffer = stringer(NULL,0,tmp,savefile,NULL)))
|
|
<a name="line414">414 |</a> if( OK != ErrorLogger( ERR_STRING, LOC, NULL))
|
|
<a name="line415">415 |</a> goto unwind0;
|
|
<a name="line416">416 |</a>
|
|
<a name="line417">417 |</a> if( file = fopen(buffer, "w+")) {
|
|
<a name="line418">418 |</a> int i=0;
|
|
<a name="line419">419 |</a> while( environ[i]) {
|
|
<a name="line420">420 |</a> fprintf( file, "%s\n", environ[i++]);
|
|
<a name="line421">421 |</a> }
|
|
<a name="line422">422 |</a> moduleSetenv( *interp, "_MODULESBEGINENV_", buffer, 1);
|
|
<a name="line423">423 |</a> fclose( file);
|
|
<a name="line424">424 |</a> } else
|
|
<a name="line425">425 |</a> if( OK != ErrorLogger( ERR_OPEN, LOC, (*interp)->result,
|
|
<a name="line426">426 |</a> "append", NULL))
|
|
<a name="line427">427 |</a> goto unwind0;
|
|
<a name="line428">428 |</a>
|
|
<a name="line429">429 |</a> null_free((void *) &buffer);
|
|
<a name="line430">430 |</a> }
|
|
<a name="line431">431 |</a> # endif
|
|
<a name="line432">432 |</a> #endif
|
|
<a name="line433">433 |</a>
|
|
<a name="line434">434 |</a> /**
|
|
<a name="line435">435 |</a> ** Exit to the main program
|
|
<a name="line436">436 |</a> **/
|
|
<a name="line437">437 |</a> return( TCL_OK); /** -------- EXIT (SUCCESS) -------> **/
|
|
<a name="line438">438 |</a>
|
|
<a name="line439">439 |</a> unwind0:
|
|
<a name="line440">440 |</a> return( Result); /** -------- EXIT (FAILURE) -------> **/
|
|
<a name="line441">441 |</a>
|
|
<a name="line442">442 |</a> } /** End of 'Initialize_Tcl' **/
|
|
<a name="line443">443 |</a>
|
|
<a name="line444">444 |</a> /*++++
|
|
<a name="line445">445 |</a> ** ** Function-Header ***************************************************** **
|
|
<a name="line446">446 |</a> ** **
|
|
<a name="line447">447 |</a> ** Function: InitializeModuleCommands **
|
|
<a name="line448">448 |</a> ** **
|
|
<a name="line449">449 |</a> ** Description: Initialization of the passed Tcl interpreter. At **
|
|
<a name="line450">450 |</a> ** first the standard Tcl and (if required) TclX initi- **
|
|
<a name="line451">451 |</a> ** alization is called. Thereafter all module commands **
|
|
<a name="line452">452 |</a> ** callback function are defined. **
|
|
<a name="line453">453 |</a> ** **
|
|
<a name="line454">454 |</a> ** First Edition: 1991/10/23 **
|
|
<a name="line455">455 |</a> ** **
|
|
<a name="line456">456 |</a> ** Parameters: Tcl_Interp *interp The Tcl Interpreter **
|
|
<a name="line457">457 |</a> ** to be initilized **
|
|
<a name="line458">458 |</a> ** **
|
|
<a name="line459">459 |</a> ** Result: int TCL_OK All done, Success **
|
|
<a name="line460">460 |</a> ** TCL_ERROR Failure anywhere **
|
|
<a name="line461">461 |</a> ** **
|
|
<a name="line462">462 |</a> ** Attached Globals: - **
|
|
<a name="line463">463 |</a> ** **
|
|
<a name="line464">464 |</a> ** ************************************************************************ **
|
|
<a name="line465">465 |</a> ++++*/
|
|
<a name="line466">466 |</a>
|
|
<a name="line467">467 |</a> int InitializeModuleCommands( Tcl_Interp* interp)
|
|
<a name="line468">468 |</a> {
|
|
<a name="line469">469 |</a>
|
|
<a name="line470">470 |</a> #if WITH_DEBUGGING_INIT
|
|
<a name="line471">471 |</a> ErrorLogger( NO_ERR_START, LOC, _proc_InitializeModuleCommands, NULL);
|
|
<a name="line472">472 |</a> #endif
|
|
<a name="line473">473 |</a>
|
|
<a name="line474">474 |</a> /**
|
|
<a name="line475">475 |</a> ** General initialization of the Tcl interpreter
|
|
<a name="line476">476 |</a> **/
|
|
<a name="line477">477 |</a> if( Tcl_Init( interp) == TCL_ERROR)
|
|
<a name="line478">478 |</a> if( OK != ErrorLogger( ERR_INIT_TCL, LOC, NULL))
|
|
<a name="line479">479 |</a> goto unwind0;
|
|
<a name="line480">480 |</a>
|
|
<a name="line481">481 |</a> #ifdef HAS_TCLXLIBS
|
|
<a name="line482">482 |</a>
|
|
<a name="line483">483 |</a> /**
|
|
<a name="line484">484 |</a> ** Extended Tcl initialization if configured so ...
|
|
<a name="line485">485 |</a> **/
|
|
<a name="line486">486 |</a>
|
|
<a name="line487">487 |</a> #if (TCL_MAJOR_VERSION > 7 || TCL_MAJOR_VERSION == 7 && TCL_MINOR_VERSION > 5)
|
|
<a name="line488">488 |</a> if( Tclxcmd_Init( interp) == TCL_ERROR)
|
|
<a name="line489">489 |</a> #else
|
|
<a name="line490">490 |</a> if( TclXCmd_Init( interp) == TCL_ERROR)
|
|
<a name="line491">491 |</a> #endif
|
|
<a name="line492">492 |</a> {
|
|
<a name="line493">493 |</a> if( OK != ErrorLogger( ERR_INIT_TCLX, LOC, NULL))
|
|
<a name="line494">494 |</a> goto unwind0;
|
|
<a name="line495">495 |</a> }
|
|
<a name="line496">496 |</a>
|
|
<a name="line497">497 |</a> #endif /* HAS_TCLXLIBS */
|
|
<a name="line498">498 |</a>
|
|
<a name="line499">499 |</a> #ifdef AUTOLOADPATH
|
|
<a name="line500">500 |</a>
|
|
<a name="line501">501 |</a> /**
|
|
<a name="line502">502 |</a> ** Extend autoload path
|
|
<a name="line503">503 |</a> **/
|
|
<a name="line504">504 |</a> if( TCL_OK != Tcl_VarEval( interp, "set auto_path [linsert $auto_path 0 ",
|
|
<a name="line505">505 |</a> AUTOLOADPATH, "]", (char *) NULL))
|
|
<a name="line506">506 |</a> if( OK != ErrorLogger( ERR_INIT_ALPATH, LOC, NULL))
|
|
<a name="line507">507 |</a> goto unwind0;
|
|
<a name="line508">508 |</a>
|
|
<a name="line509">509 |</a> #endif /* AUTOLOADPATH */
|
|
<a name="line510">510 |</a>
|
|
<a name="line511">511 |</a> /**
|
|
<a name="line512">512 |</a> ** Now for each module command a callback routine has to be specified
|
|
<a name="line513">513 |</a> **/
|
|
<a name="line514">514 |</a> Tcl_CreateCommand( interp, "exit", Module_Tcl_ExitCmd,
|
|
<a name="line515">515 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line516">516 |</a>
|
|
<a name="line517">517 |</a> Tcl_CreateCommand( interp, "setenv", cmdSetEnv,
|
|
<a name="line518">518 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line519">519 |</a> Tcl_CreateCommand( interp, "unsetenv", cmdUnsetEnv,
|
|
<a name="line520">520 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line521">521 |</a>
|
|
<a name="line522">522 |</a> Tcl_CreateCommand( interp, "prepend-path", cmdSetPath,
|
|
<a name="line523">523 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line524">524 |</a> Tcl_CreateCommand( interp, "append-path", cmdSetPath,
|
|
<a name="line525">525 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line526">526 |</a> Tcl_CreateCommand( interp, "remove-path", cmdRemovePath,
|
|
<a name="line527">527 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line528">528 |</a>
|
|
<a name="line529">529 |</a> Tcl_CreateCommand( interp, "module-info", cmdModuleInfo,
|
|
<a name="line530">530 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line531">531 |</a> Tcl_CreateCommand( interp, "module", cmdModule,
|
|
<a name="line532">532 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line533">533 |</a>
|
|
<a name="line534">534 |</a> Tcl_CreateCommand( interp, "module-whatis", cmdModuleWhatis,
|
|
<a name="line535">535 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line536">536 |</a> Tcl_CreateCommand( interp, "module-verbosity", cmdModuleVerbose,
|
|
<a name="line537">537 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line538">538 |</a> Tcl_CreateCommand( interp, "module-user", cmdModuleUser,
|
|
<a name="line539">539 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line540">540 |</a> Tcl_CreateCommand( interp, "module-log", cmdModuleLog,
|
|
<a name="line541">541 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line542">542 |</a> Tcl_CreateCommand( interp, "module-trace", cmdModuleTrace,
|
|
<a name="line543">543 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line544">544 |</a>
|
|
<a name="line545">545 |</a> Tcl_CreateCommand( interp, "module-alias", cmdModuleAlias,
|
|
<a name="line546">546 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line547">547 |</a> Tcl_CreateCommand( interp, "module-version", cmdModuleVersion,
|
|
<a name="line548">548 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line549">549 |</a>
|
|
<a name="line550">550 |</a> Tcl_CreateCommand( interp, "set-alias", cmdSetAlias,
|
|
<a name="line551">551 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line552">552 |</a> Tcl_CreateCommand( interp, "unset-alias", cmdSetAlias,
|
|
<a name="line553">553 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line554">554 |</a>
|
|
<a name="line555">555 |</a> Tcl_CreateCommand( interp, "conflict", cmdConflict,
|
|
<a name="line556">556 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line557">557 |</a> Tcl_CreateCommand( interp, "prereq", cmdPrereq,
|
|
<a name="line558">558 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line559">559 |</a>
|
|
<a name="line560">560 |</a> Tcl_CreateCommand( interp, "is-loaded", cmdIsLoaded,
|
|
<a name="line561">561 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line562">562 |</a> Tcl_CreateCommand( interp, "system", cmdSystem,
|
|
<a name="line563">563 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line564">564 |</a> Tcl_CreateCommand( interp, "uname", cmdUname,
|
|
<a name="line565">565 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line566">566 |</a>
|
|
<a name="line567">567 |</a> Tcl_CreateCommand( interp, "x-resource", cmdXResource,
|
|
<a name="line568">568 |</a> (ClientData) shell_derelict,(void (*)(ClientData)) NULL);
|
|
<a name="line569">569 |</a>
|
|
<a name="line570">570 |</a> return( TCL_OK); /** -------- EXIT (SUCCESS) -------> **/
|
|
<a name="line571">571 |</a>
|
|
<a name="line572">572 |</a> unwind0:
|
|
<a name="line573">573 |</a> return( TCL_ERROR); /** -------- EXIT (FAILURE) -------> **/
|
|
<a name="line574">574 |</a>
|
|
<a name="line575">575 |</a> } /** End of 'InitializeModuleCommands' **/
|
|
<a name="line576">576 |</a>
|
|
<a name="line577">577 |</a> /*++++
|
|
<a name="line578">578 |</a> ** ** Function-Header ***************************************************** **
|
|
<a name="line579">579 |</a> ** **
|
|
<a name="line580">580 |</a> ** Function: Setup_Environment **
|
|
<a name="line581">581 |</a> ** **
|
|
<a name="line582">582 |</a> ** Description:Define all variables to be found in the current **
|
|
<a name="line583">583 |</a> ** shell environment as Tcl variables in the passed **
|
|
<a name="line584">584 |</a> ** Tcl interpreter. **
|
|
<a name="line585">585 |</a> ** Assign as value 0 to all of them. ??? Why ??? **
|
|
<a name="line586">586 |</a> ** **
|
|
<a name="line587">587 |</a> ** First Edition: 1991/10/23 **
|
|
<a name="line588">588 |</a> ** **
|
|
<a name="line589">589 |</a> ** Parameters: Tcl_Interp *interp Attched Tcl interpr. **
|
|
<a name="line590">590 |</a> ** **
|
|
<a name="line591">591 |</a> ** Result: int TCL_ERROR Variable could not be set up **
|
|
<a name="line592">592 |</a> ** 0 Success ??? TCL_OK ??? **
|
|
<a name="line593">593 |</a> ** **
|
|
<a name="line594">594 |</a> ** Attached Globals: environ **
|
|
<a name="line595">595 |</a> ** **
|
|
<a name="line596">596 |</a> ** ************************************************************************ **
|
|
<a name="line597">597 |</a> ++++*/
|
|
<a name="line598">598 |</a>
|
|
<a name="line599">599 |</a> int Setup_Environment( Tcl_Interp* interp)
|
|
<a name="line600">600 |</a> {
|
|
<a name="line601">601 |</a>
|
|
<a name="line602">602 |</a> int i, /** loop counter **/
|
|
<a name="line603">603 |</a> envsize = 0; /** Total size of the environment **/
|
|
<a name="line604">604 |</a> char *eq; /** Temp. val. used for location the **/
|
|
<a name="line605">605 |</a> /** Equal sign. **/
|
|
<a name="line606">606 |</a> char *loaded; /** The currently loaded modules **/
|
|
<a name="line607">607 |</a>
|
|
<a name="line608">608 |</a> #if WITH_DEBUGGING_INIT
|
|
<a name="line609">609 |</a> ErrorLogger( NO_ERR_START, LOC, _proc_Setup_Environment, NULL);
|
|
<a name="line610">610 |</a> #endif
|
|
<a name="line611">611 |</a>
|
|
<a name="line612">612 |</a> /**
|
|
<a name="line613">613 |</a> ** Scan the whole environment value by value.
|
|
<a name="line614">614 |</a> ** Count its size
|
|
<a name="line615">615 |</a> **/
|
|
<a name="line616">616 |</a> for( i = 0; environ[i]; i++) {
|
|
<a name="line617">617 |</a>
|
|
<a name="line618">618 |</a> envsize += strlen( environ[i]) + 1;
|
|
<a name="line619">619 |</a>
|
|
<a name="line620">620 |</a> /**
|
|
<a name="line621">621 |</a> ** Locate the equal sign and terminate the string at its position.
|
|
<a name="line622">622 |</a> **/
|
|
<a name="line623">623 |</a> eq = environ[i];
|
|
<a name="line624">624 |</a> while( *eq++ != '=' && *eq);
|
|
<a name="line625">625 |</a> *(eq - 1) = '\0';
|
|
<a name="line626">626 |</a>
|
|
<a name="line627">627 |</a> /**
|
|
<a name="line628">628 |</a> ** Now set up a Tcl variable of the same name and value as the
|
|
<a name="line629">629 |</a> ** environment variable
|
|
<a name="line630">630 |</a> **/
|
|
<a name="line631">631 |</a> if( Tcl_SetVar( interp, environ[i], eq, 0) == (char *) NULL)
|
|
<a name="line632">632 |</a> if( OK != ErrorLogger( ERR_SET_VAR, LOC, environ[i], NULL))
|
|
<a name="line633">633 |</a> goto unwind0;
|
|
<a name="line634">634 |</a>
|
|
<a name="line635">635 |</a> /**
|
|
<a name="line636">636 |</a> ** Reinstall the changed environment
|
|
<a name="line637">637 |</a> **/
|
|
<a name="line638">638 |</a> *(eq - 1) = '=';
|
|
<a name="line639">639 |</a>
|
|
<a name="line640">640 |</a> } /** for **/
|
|
<a name="line641">641 |</a>
|
|
<a name="line642">642 |</a> /**
|
|
<a name="line643">643 |</a> ** Reconstruct the _LMFILES_ environment variable
|
|
<a name="line644">644 |</a> **/
|
|
<a name="line645">645 |</a> loaded = getLMFILES( interp);
|
|
<a name="line646">646 |</a> if( loaded)
|
|
<a name="line647">647 |</a> if( Tcl_SetVar2( interp, "env", "_LMFILES_", loaded,
|
|
<a name="line648">648 |</a> TCL_GLOBAL_ONLY) == (char *) NULL)
|
|
<a name="line649">649 |</a> if( OK != ErrorLogger( ERR_SET_VAR, LOC, environ[i], NULL))
|
|
<a name="line650">650 |</a> goto unwind0;
|
|
<a name="line651">651 |</a>
|
|
<a name="line652">652 |</a> return( TCL_OK); /** -------- EXIT (SUCCESS) -------> **/
|
|
<a name="line653">653 |</a>
|
|
<a name="line654">654 |</a> unwind0:
|
|
<a name="line655">655 |</a> return( TCL_ERROR); /** -------- EXIT (FAILURE) -------> **/
|
|
<a name="line656">656 |</a>
|
|
<a name="line657">657 |</a> } /** end of 'Setup_Environment' **/
|
|
<a name="line658">658 |</a>
|
|
<a name="line659">659 |</a> /*++++
|
|
<a name="line660">660 |</a> ** ** Function-Header ***************************************************** **
|
|
<a name="line661">661 |</a> ** **
|
|
<a name="line662">662 |</a> ** Function: TieStdout, UnTieStdout **
|
|
<a name="line663">663 |</a> ** **
|
|
<a name="line664">664 |</a> ** Description: TieStdout closes the 'stdout' handle and reopens it **
|
|
<a name="line665">665 |</a> ** as 'stderr'. The original 'stdout' handle is passed **
|
|
<a name="line666">666 |</a> ** back to the caller. **
|
|
<a name="line667">667 |</a> ** UnTieStdout reverts this by reopening 'stdout' as the**
|
|
<a name="line668">668 |</a> ** handle passed as parameter **
|
|
<a name="line669">669 |</a> ** **
|
|
<a name="line670">670 |</a> ** First Edition: 1991/10/23 **
|
|
<a name="line671">671 |</a> ** **
|
|
<a name="line672">672 |</a> ** Parameters: int saved_stdout Handle to be used for rein- **
|
|
<a name="line673">673 |</a> ** stalling stdout **
|
|
<a name="line674">674 |</a> ** **
|
|
<a name="line675">675 |</a> ** Result: int The (just reinstalled or saved) stdout handle**
|
|
<a name="line676">676 |</a> ** **
|
|
<a name="line677">677 |</a> ** Attached Globals: - **
|
|
<a name="line678">678 |</a> ** **
|
|
<a name="line679">679 |</a> ** ************************************************************************ **
|
|
<a name="line680">680 |</a> ++++*/
|
|
<a name="line681">681 |</a>
|
|
<a name="line682">682 |</a> int TieStdout( void) {
|
|
<a name="line683">683 |</a> int save;
|
|
<a name="line684">684 |</a>
|
|
<a name="line685">685 |</a> #if WITH_DEBUGGING_UTIL_2
|
|
<a name="line686">686 |</a> ErrorLogger( NO_ERR_START, LOC, _proc_TieStdout, NULL);
|
|
<a name="line687">687 |</a> #endif
|
|
<a name="line688">688 |</a>
|
|
<a name="line689">689 |</a> if( 0 > (save = dup(1)))
|
|
<a name="line690">690 |</a> if( OK != ErrorLogger( ERR_DUP, LOC, _fil_stdout, NULL))
|
|
<a name="line691">691 |</a> goto unwind0;
|
|
<a name="line692">692 |</a>
|
|
<a name="line693">693 |</a> if( 0 > close( 1))
|
|
<a name="line694">694 |</a> if( OK != ErrorLogger( ERR_CLOSE, LOC, _fil_stdout, NULL))
|
|
<a name="line695">695 |</a> goto unwind0;
|
|
<a name="line696">696 |</a>
|
|
<a name="line697">697 |</a> /**
|
|
<a name="line698">698 |</a> ** dup used the very first closed handle for duplication. Since stdout
|
|
<a name="line699">699 |</a> ** has just been closed, this will be reopened as stderr here.
|
|
<a name="line700">700 |</a> **/
|
|
<a name="line701">701 |</a> if( 0 > (dup(2)))
|
|
<a name="line702">702 |</a> if( OK != ErrorLogger( ERR_DUP, LOC, _fil_stderr, NULL))
|
|
<a name="line703">703 |</a> goto unwind0;
|
|
<a name="line704">704 |</a>
|
|
<a name="line705">705 |</a> return( save); /** ------- EXIT (RESULT) --------> **/
|
|
<a name="line706">706 |</a>
|
|
<a name="line707">707 |</a> unwind0:
|
|
<a name="line708">708 |</a> return( -1); /** ------- EXIT (FAILURE) --------> **/
|
|
<a name="line709">709 |</a> }
|
|
<a name="line710">710 |</a>
|
|
<a name="line711">711 |</a> int UnTieStdout( int saved_stdout) {
|
|
<a name="line712">712 |</a>
|
|
<a name="line713">713 |</a> int retval;
|
|
<a name="line714">714 |</a>
|
|
<a name="line715">715 |</a> #if WITH_DEBUGGING_UTIL_2
|
|
<a name="line716">716 |</a> ErrorLogger( NO_ERR_START, LOC, _proc_UnTieStdout, NULL);
|
|
<a name="line717">717 |</a> #endif
|
|
<a name="line718">718 |</a>
|
|
<a name="line719">719 |</a> if( 0 > close( 1))
|
|
<a name="line720">720 |</a> if( OK != ErrorLogger( ERR_CLOSE, LOC, _fil_stdout, NULL))
|
|
<a name="line721">721 |</a> goto unwind0;
|
|
<a name="line722">722 |</a>
|
|
<a name="line723">723 |</a> if( 0 > (retval = dup( saved_stdout)))
|
|
<a name="line724">724 |</a> if( OK != ErrorLogger( ERR_DUP, LOC, _fil_stdout, NULL))
|
|
<a name="line725">725 |</a> goto unwind0;
|
|
<a name="line726">726 |</a>
|
|
<a name="line727">727 |</a> return( retval);
|
|
<a name="line728">728 |</a>
|
|
<a name="line729">729 |</a> unwind0:
|
|
<a name="line730">730 |</a> return( -1); /** ------- EXIT (FAILURE) --------> **/
|
|
<a name="line731">731 |</a> }
|
|
<a name="line732">732 |</a>
|
|
<a name="line733">733 |</a> /*++++
|
|
<a name="line734">734 |</a> ** ** Function-Header ***************************************************** **
|
|
<a name="line735">735 |</a> ** **
|
|
<a name="line736">736 |</a> ** Function: SetStartupFiles **
|
|
<a name="line737">737 |</a> ** **
|
|
<a name="line738">738 |</a> ** Description: Collects all startupfiles used by the various shells **
|
|
<a name="line739">739 |</a> ** in the array 'shell_startups'. This function does not**
|
|
<a name="line740">740 |</a> ** care if the startup file do not exist! **
|
|
<a name="line741">741 |</a> ** **
|
|
<a name="line742">742 |</a> ** First Edition: 1991/10/23 **
|
|
<a name="line743">743 |</a> ** **
|
|
<a name="line744">744 |</a> ** Parameters: shell_name the shell being used **
|
|
<a name="line745">745 |</a> ** Result: shell_startups NULL terminated list of startup files**
|
|
<a name="line746">746 |</a> ** for the shell **
|
|
<a name="line747">747 |</a> ** returns NULL if an error **
|
|
<a name="line748">748 |</a> ** Attached Globals: - **
|
|
<a name="line749">749 |</a> ** **
|
|
<a name="line750">750 |</a> ** ************************************************************************ **
|
|
<a name="line751">751 |</a> ++++*/
|
|
<a name="line752">752 |</a>
|
|
<a name="line753">753 |</a> char **SetStartupFiles(char *shell_name)
|
|
<a name="line754">754 |</a> {
|
|
<a name="line755">755 |</a>
|
|
<a name="line756">756 |</a> #if WITH_DEBUGGING_UTIL
|
|
<a name="line757">757 |</a> ErrorLogger( NO_ERR_START, LOC, _proc_SetStartupFiles, NULL);
|
|
<a name="line758">758 |</a> #endif
|
|
<a name="line759">759 |</a>
|
|
<a name="line760">760 |</a> /**
|
|
<a name="line761">761 |</a> ** CSH
|
|
<a name="line762">762 |</a> **/
|
|
<a name="line763">763 |</a> if( (strcmp( "csh", shell_name) == 0)) {
|
|
<a name="line764">764 |</a>
|
|
<a name="line765">765 |</a> return cshStartUps;
|
|
<a name="line766">766 |</a>
|
|
<a name="line767">767 |</a> /**
|
|
<a name="line768">768 |</a> ** TCSH
|
|
<a name="line769">769 |</a> **/
|
|
<a name="line770">770 |</a> } else if((strcmp("tcsh", shell_name) == 0)) {
|
|
<a name="line771">771 |</a>
|
|
<a name="line772">772 |</a> return tcshStartUps;
|
|
<a name="line773">773 |</a>
|
|
<a name="line774">774 |</a> /**
|
|
<a name="line775">775 |</a> ** SH and KSH
|
|
<a name="line776">776 |</a> ** ??? What's about .environ ???
|
|
<a name="line777">777 |</a> **/
|
|
<a name="line778">778 |</a> } else if((strcmp("sh", shell_name) == 0) ||
|
|
<a name="line779">779 |</a> (strcmp("ksh", shell_name) == 0)) {
|
|
<a name="line780">780 |</a>
|
|
<a name="line781">781 |</a> return shStartUps;
|
|
<a name="line782">782 |</a>
|
|
<a name="line783">783 |</a> /**
|
|
<a name="line784">784 |</a> ** BASH
|
|
<a name="line785">785 |</a> ** ??? doesn't this guy use the SH startups, too ???
|
|
<a name="line786">786 |</a> **/
|
|
<a name="line787">787 |</a> } else if((strcmp("bash", shell_name) == 0)) {
|
|
<a name="line788">788 |</a>
|
|
<a name="line789">789 |</a> return bashStartUps;
|
|
<a name="line790">790 |</a>
|
|
<a name="line791">791 |</a> /**
|
|
<a name="line792">792 |</a> ** ZSH
|
|
<a name="line793">793 |</a> **/
|
|
<a name="line794">794 |</a> } else if((strcmp("zsh", shell_name) == 0)) {
|
|
<a name="line795">795 |</a>
|
|
<a name="line796">796 |</a> return zshStartUps;
|
|
<a name="line797">797 |</a>
|
|
<a name="line798">798 |</a> /**
|
|
<a name="line799">799 |</a> ** All of the remainig "shells" are not supposed to used startup
|
|
<a name="line800">800 |</a> ** files
|
|
<a name="line801">801 |</a> **/
|
|
<a name="line802">802 |</a> } else {
|
|
<a name="line803">803 |</a>
|
|
<a name="line804">804 |</a> return genericStartUps;
|
|
<a name="line805">805 |</a> }
|
|
<a name="line806">806 |</a>
|
|
<a name="line807">807 |</a> } /** End of 'SetStartupFiles' **/
|
|
<a name="line808">808 |</a>
|
|
<a name="line809">809 |</a> /*++++
|
|
<a name="line810">810 |</a> ** ** Function-Header ***************************************************** **
|
|
<a name="line811">811 |</a> ** **
|
|
<a name="line812">812 |</a> ** Function: set_shell_properties **
|
|
<a name="line813">813 |</a> ** **
|
|
<a name="line814">814 |</a> ** Description: Normalize the current calling shell to one of the **
|
|
<a name="line815">815 |</a> ** basic shells defining the variable and alias syntax **
|
|
<a name="line816">816 |</a> ** **
|
|
<a name="line817">817 |</a> ** First Edition: 1991/10/23 **
|
|
<a name="line818">818 |</a> ** **
|
|
<a name="line819">819 |</a> ** Parameters: const char *name Invoking shell name **
|
|
<a name="line820">820 |</a> ** **
|
|
<a name="line821">821 |</a> ** Result: char* Shell derelict name **
|
|
<a name="line822">822 |</a> ** **
|
|
<a name="line823">823 |</a> ** Attached Globals: shell_derelict **
|
|
<a name="line824">824 |</a> ** shell_cmd_separator **
|
|
<a name="line825">825 |</a> ** **
|
|
<a name="line826">826 |</a> ** ************************************************************************ **
|
|
<a name="line827">827 |</a> ++++*/
|
|
<a name="line828">828 |</a>
|
|
<a name="line829">829 |</a> static char *set_shell_properties( const char *name)
|
|
<a name="line830">830 |</a> {
|
|
<a name="line831">831 |</a>
|
|
<a name="line832">832 |</a> #if WITH_DEBUGGING_UTIL_3
|
|
<a name="line833">833 |</a> ErrorLogger( NO_ERR_START, LOC, _proc_set_shell_properties, NULL);
|
|
<a name="line834">834 |</a> #endif
|
|
<a name="line835">835 |</a>
|
|
<a name="line836">836 |</a> /**
|
|
<a name="line837">837 |</a> ** Loop through the shell properties matrix until a match is found
|
|
<a name="line838">838 |</a> **/
|
|
<a name="line839">839 |</a> int i = 0;
|
|
<a name="line840">840 |</a>
|
|
<a name="line841">841 |</a> while (shellprops[i][0]) {
|
|
<a name="line842">842 |</a> if( !strcmp(name,shellprops[i][0])) { /* found match */
|
|
<a name="line843">843 |</a> shell_name = shellprops[i][0];
|
|
<a name="line844">844 |</a> shell_derelict = shellprops[i][1];
|
|
<a name="line845">845 |</a> shell_init = shellprops[i][2];
|
|
<a name="line846">846 |</a> shell_cmd_separator = shellprops[i][3];
|
|
<a name="line847">847 |</a> return ((char *) name);
|
|
<a name="line848">848 |</a> }
|
|
<a name="line849">849 |</a> i++;
|
|
<a name="line850">850 |</a> }
|
|
<a name="line851">851 |</a>
|
|
<a name="line852">852 |</a> shell_name = NULL;
|
|
<a name="line853">853 |</a> shell_derelict = NULL;
|
|
<a name="line854">854 |</a> shell_init = NULL;
|
|
<a name="line855">855 |</a> shell_cmd_separator = NULL;
|
|
<a name="line856">856 |</a> /**
|
|
<a name="line857">857 |</a> ** Oops! Undefined shell name ...
|
|
<a name="line858">858 |</a> **/
|
|
<a name="line859">859 |</a> return( NULL);
|
|
<a name="line860">860 |</a>
|
|
<a name="line861">861 |</a> } /** End of 'set_shell_properties' **/
|
|
</pre>
|
|
|
|
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|
|
</HTML>
|