mirror of
https://github.com/envmodules/modules.git
synced 2026-06-10 00:56:30 +08:00
213 lines
12 KiB
HTML
213 lines
12 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
|
|
|
<!-- This HTML file generated by cxref (version 1.6a). -->
|
|
<!-- cxref program (c) Andrew M. Bishop 1995,96,97,98,99,2000,01,02,03,04,05. -->
|
|
|
|
<!--
|
|
Cxref: cxref -block-comments -verbatim-comments -xref-all -index-all -html-src -Oxref cmdMisc.c
|
|
CPP : cxref-cpp -lang-c -C -dD -dI
|
|
-->
|
|
|
|
<HTML>
|
|
|
|
<HEAD>
|
|
<TITLE>Source File cmdMisc.c</TITLE>
|
|
<LINK rel="stylesheet" href="cxref.css" type="text/css">
|
|
</HEAD>
|
|
|
|
<BODY>
|
|
|
|
<pre>
|
|
<a name="line1">1 |</a> /*****
|
|
<a name="line2">2 |</a> ** ** Module Header ******************************************************* **
|
|
<a name="line3">3 |</a> ** **
|
|
<a name="line4">4 |</a> ** Modules Revision 3.0 **
|
|
<a name="line5">5 |</a> ** Providing a flexible user environment **
|
|
<a name="line6">6 |</a> ** **
|
|
<a name="line7">7 |</a> ** File: cmdMisc.c **
|
|
<a name="line8">8 |</a> ** First Edition: 1991/10/23 **
|
|
<a name="line9">9 |</a> ** **
|
|
<a name="line10">10 |</a> ** Authors: John Furlan, jlf@behere.com **
|
|
<a name="line11">11 |</a> ** Jens Hamisch, jens@Strawberry.COM **
|
|
<a name="line12">12 |</a> ** **
|
|
<a name="line13">13 |</a> ** Description: The Tcl 'system' command **
|
|
<a name="line14">14 |</a> ** **
|
|
<a name="line15">15 |</a> ** Exports: cmdSystem **
|
|
<a name="line16">16 |</a> ** **
|
|
<a name="line17">17 |</a> ** Notes: The Following code was written by Don Libes, NIST **
|
|
<a name="line18">18 |</a> ** It was taken from his tool, 'expect' ... **
|
|
<a name="line19">19 |</a> ** I have edited parts of it... **
|
|
<a name="line20">20 |</a> ** **
|
|
<a name="line21">21 |</a> ** ************************************************************************ **
|
|
<a name="line22">22 |</a> ****/
|
|
<a name="line23">23 |</a>
|
|
<a name="line24">24 |</a> /** ** Copyright *********************************************************** **
|
|
<a name="line25">25 |</a> ** **
|
|
<a name="line26">26 |</a> ** Copyright 1991-1994 by John L. Furlan. **
|
|
<a name="line27">27 |</a> ** see LICENSE.GPL, which must be provided, for details **
|
|
<a name="line28">28 |</a> ** **
|
|
<a name="line29">29 |</a> ** ************************************************************************ **/
|
|
<a name="line30">30 |</a>
|
|
<a name="line31">31 |</a> static char Id[] = "@(#)$Id: cmdMisc.c.src.html,v 1.6 2006/01/18 05:35:11 rkowen Exp $";
|
|
<a name="line32">32 |</a> static void *UseId[] = { &UseId, Id };
|
|
<a name="line33">33 |</a>
|
|
<a name="line34">34 |</a> /** ************************************************************************ **/
|
|
<a name="line35">35 |</a> /** HEADERS **/
|
|
<a name="line36">36 |</a> /** ************************************************************************ **/
|
|
<a name="line37">37 |</a>
|
|
<a name="line38">38 |</a> #include "modules_def.h"
|
|
<a name="line39">39 |</a>
|
|
<a name="line40">40 |</a> /** ************************************************************************ **/
|
|
<a name="line41">41 |</a> /** LOCAL DATATYPES **/
|
|
<a name="line42">42 |</a> /** ************************************************************************ **/
|
|
<a name="line43">43 |</a>
|
|
<a name="line44">44 |</a> /** not applicable **/
|
|
<a name="line45">45 |</a>
|
|
<a name="line46">46 |</a> /** ************************************************************************ **/
|
|
<a name="line47">47 |</a> /** CONSTANTS **/
|
|
<a name="line48">48 |</a> /** ************************************************************************ **/
|
|
<a name="line49">49 |</a>
|
|
<a name="line50">50 |</a> #define MAX_ARGLIST 10240
|
|
<a name="line51">51 |</a>
|
|
<a name="line52">52 |</a> /** ************************************************************************ **/
|
|
<a name="line53">53 |</a> /** MACROS **/
|
|
<a name="line54">54 |</a> /** ************************************************************************ **/
|
|
<a name="line55">55 |</a>
|
|
<a name="line56">56 |</a> /** not applicable **/
|
|
<a name="line57">57 |</a>
|
|
<a name="line58">58 |</a> /** ************************************************************************ **/
|
|
<a name="line59">59 |</a> /** LOCAL DATA **/
|
|
<a name="line60">60 |</a> /** ************************************************************************ **/
|
|
<a name="line61">61 |</a>
|
|
<a name="line62">62 |</a> static char module_name[] = "cmdMisc.c"; /** File name of this module **/
|
|
<a name="line63">63 |</a> #if WITH_DEBUGGING_CALLBACK
|
|
<a name="line64">64 |</a> static char _proc_cmdSystem[] = "cmdSystem";
|
|
<a name="line65">65 |</a> #endif
|
|
<a name="line66">66 |</a>
|
|
<a name="line67">67 |</a> /** ************************************************************************ **/
|
|
<a name="line68">68 |</a> /** PROTOTYPES **/
|
|
<a name="line69">69 |</a> /** ************************************************************************ **/
|
|
<a name="line70">70 |</a>
|
|
<a name="line71">71 |</a> /** not applicable **/
|
|
<a name="line72">72 |</a>
|
|
<a name="line73">73 |</a>
|
|
<a name="line74">74 |</a> /*++++
|
|
<a name="line75">75 |</a> ** ** Function-Header ***************************************************** **
|
|
<a name="line76">76 |</a> ** **
|
|
<a name="line77">77 |</a> ** Function: cmdSystem **
|
|
<a name="line78">78 |</a> ** **
|
|
<a name="line79">79 |</a> ** Description: Callback function for 'system' **
|
|
<a name="line80">80 |</a> ** **
|
|
<a name="line81">81 |</a> ** First Edition: 1991/10/23 **
|
|
<a name="line82">82 |</a> ** **
|
|
<a name="line83">83 |</a> ** Parameters: ClientData client_data **
|
|
<a name="line84">84 |</a> ** Tcl_Interp *interp According Tcl interp.**
|
|
<a name="line85">85 |</a> ** int argc Number of arguments **
|
|
<a name="line86">86 |</a> ** char *argv[] Argument array **
|
|
<a name="line87">87 |</a> ** **
|
|
<a name="line88">88 |</a> ** Result: int TCL_OK Successfull completion **
|
|
<a name="line89">89 |</a> ** TCL_ERROR Any error **
|
|
<a name="line90">90 |</a> ** **
|
|
<a name="line91">91 |</a> ** Attached Globals: g_flags These are set up accordingly before **
|
|
<a name="line92">92 |</a> ** this function is called in order to **
|
|
<a name="line93">93 |</a> ** control everything **
|
|
<a name="line94">94 |</a> ** **
|
|
<a name="line95">95 |</a> ** ************************************************************************ **
|
|
<a name="line96">96 |</a> ++++*/
|
|
<a name="line97">97 |</a>
|
|
<a name="line98">98 |</a> int cmdSystem( ClientData clientData,
|
|
<a name="line99">99 |</a> Tcl_Interp *interp,
|
|
<a name="line100">100 |</a> int argc,
|
|
<a name="line101">101 |</a> CONST84 char *argv[])
|
|
<a name="line102">102 |</a> {
|
|
<a name="line103">103 |</a> int i;
|
|
<a name="line104">104 |</a> int saved_stdout;
|
|
<a name="line105">105 |</a> char buf[ MAX_ARGLIST];
|
|
<a name="line106">106 |</a> char *bufp = buf;
|
|
<a name="line107">107 |</a> int total_len = 0,
|
|
<a name="line108">108 |</a> arg_len;
|
|
<a name="line109">109 |</a>
|
|
<a name="line110">110 |</a> #if WITH_DEBUGGING_CALLBACK
|
|
<a name="line111">111 |</a> ErrorLogger( NO_ERR_START, LOC, _proc_cmdSystem, NULL);
|
|
<a name="line112">112 |</a> #endif
|
|
<a name="line113">113 |</a>
|
|
<a name="line114">114 |</a> /**
|
|
<a name="line115">115 |</a> ** Whatis mode
|
|
<a name="line116">116 |</a> **/
|
|
<a name="line117">117 |</a>
|
|
<a name="line118">118 |</a> if( g_flags & (M_WHATIS | M_HELP))
|
|
<a name="line119">119 |</a> return( TCL_OK); /** -------- EXIT (SUCCESS) -------> **/
|
|
<a name="line120">120 |</a>
|
|
<a name="line121">121 |</a> /**
|
|
<a name="line122">122 |</a> ** Display mode?
|
|
<a name="line123">123 |</a> **/
|
|
<a name="line124">124 |</a>
|
|
<a name="line125">125 |</a> if( g_flags & M_DISPLAY) {
|
|
<a name="line126">126 |</a> fprintf( stderr, "%s\t\t ", argv[ 0]);
|
|
<a name="line127">127 |</a> for( i=1; i<argc; i++)
|
|
<a name="line128">128 |</a> fprintf( stderr, "%s ", argv[ i]);
|
|
<a name="line129">129 |</a> fprintf( stderr, "\n");
|
|
<a name="line130">130 |</a> return( TCL_OK); /** ------- EXIT PROCEDURE -------> **/
|
|
<a name="line131">131 |</a> }
|
|
<a name="line132">132 |</a>
|
|
<a name="line133">133 |</a> /**
|
|
<a name="line134">134 |</a> ** Prepare a buffer to hold the complete 'system' call
|
|
<a name="line135">135 |</a> ** Watch over the commands complete length while copying ...
|
|
<a name="line136">136 |</a> **/
|
|
<a name="line137">137 |</a>
|
|
<a name="line138">138 |</a> for( i = 1; i<argc; i++) {
|
|
<a name="line139">139 |</a>
|
|
<a name="line140">140 |</a> total_len += (1 + (arg_len = strlen(argv[i])));
|
|
<a name="line141">141 |</a> if( total_len > MAX_ARGLIST) {
|
|
<a name="line142">142 |</a> if( OK != ErrorLogger( ERR_ARGSTOLONG, LOC, argv[0], (sprintf( buf,
|
|
<a name="line143">143 |</a> "%d", total_len), buf), NULL))
|
|
<a name="line144">144 |</a> return( TCL_ERROR); /** -------- EXIT (FAILURE) -------> **/
|
|
<a name="line145">145 |</a> }
|
|
<a name="line146">146 |</a>
|
|
<a name="line147">147 |</a> /**
|
|
<a name="line148">148 |</a> ** Copy the argument ov the buffer and put a space at its end
|
|
<a name="line149">149 |</a> **/
|
|
<a name="line150">150 |</a>
|
|
<a name="line151">151 |</a> memcpy( bufp, argv[i], arg_len);
|
|
<a name="line152">152 |</a> bufp += arg_len;
|
|
<a name="line153">153 |</a> memcpy( bufp, " ", 1);
|
|
<a name="line154">154 |</a> bufp += 1;
|
|
<a name="line155">155 |</a> }
|
|
<a name="line156">156 |</a>
|
|
<a name="line157">157 |</a> /**
|
|
<a name="line158">158 |</a> ** For Modules, stdout must be directed to stderr so it
|
|
<a name="line159">159 |</a> ** isn't parsed by the evaluating shell. We also must save it here so it
|
|
<a name="line160">160 |</a> ** can be restored after this command has been executed.
|
|
<a name="line161">161 |</a> **/
|
|
<a name="line162">162 |</a>
|
|
<a name="line163">163 |</a> saved_stdout = TieStdout();
|
|
<a name="line164">164 |</a>
|
|
<a name="line165">165 |</a> *(bufp-1) = '\0';
|
|
<a name="line166">166 |</a> i = system( buf);
|
|
<a name="line167">167 |</a>
|
|
<a name="line168">168 |</a> /**
|
|
<a name="line169">169 |</a> ** Following the style of Tcl_ExecCmd, we can just return the
|
|
<a name="line170">170 |</a> ** raw result (appropriately shifted and masked) to Tcl
|
|
<a name="line171">171 |</a> **/
|
|
<a name="line172">172 |</a>
|
|
<a name="line173">173 |</a> sprintf( buf, "%d", (0xff & (i >> 8)));
|
|
<a name="line174">174 |</a> Tcl_SetResult( interp, buf, TCL_VOLATILE);
|
|
<a name="line175">175 |</a>
|
|
<a name="line176">176 |</a> /*
|
|
<a name="line177">177 |</a> * Restore stdout.
|
|
<a name="line178">178 |</a> */
|
|
<a name="line179">179 |</a>
|
|
<a name="line180">180 |</a> UnTieStdout( saved_stdout);
|
|
<a name="line181">181 |</a>
|
|
<a name="line182">182 |</a> #if WITH_DEBUGGING_CALLBACK
|
|
<a name="line183">183 |</a> ErrorLogger( NO_ERR_END, LOC, _proc_cmdSystem, NULL);
|
|
<a name="line184">184 |</a> #endif
|
|
<a name="line185">185 |</a>
|
|
<a name="line186">186 |</a> return( TCL_OK);
|
|
<a name="line187">187 |</a>
|
|
<a name="line188">188 |</a> } /** End of 'cmdSystem' **/
|
|
</pre>
|
|
|
|
</BODY>
|
|
</HTML>
|