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cdesktopenv/cde/programs/dthelp/dthelpprint/PrintUtil.c

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/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
#if DOC
/*===================================================================
$FILEBEG$: PrintUtil.c
$COMPONENT$: dthelpprint
$PROJECT$: Cde1
$SYSTEM$: HPUX 9.0; AIX 3.2; SunOS 5.3
$REVISION$: $TOG: PrintUtil.c /main/6 1999/02/05 18:57:07 mgreess $
$CHGLOG$:
$COPYRIGHT$:
(c) Copyright 1993, 1994 Hewlett-Packard Company
(c) Copyright 1993, 1994 International Business Machines Corp.
(c) Copyright 1993, 1994 Sun Microsystems, Inc.
(c) Copyright 1993, 1994 Unix System Labs, Inc., a subsidiary of Novell, Inc.
==$END$==============================================================*/
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <Dt/MsgCatP.h> /* for message cat processing */
#if defined(sun)
#include <locale.h>
#else
#include <langinfo.h>
#endif
#include "HelpPrintI.h"
/*======== flexible constsnts ==============*/
/* message catalog file */
#define HELPPRINT_CAT_WITH_SUFFIX "dthelpprint.cat"
#define HELPPRINT_CAT "dthelpprint"
/*======== dthelpprint.sh options ==============*/
#define OPT_LPDEST "-d"
#define OPT_COMMAND "-m"
#define OPT_COPYCOUNT "-n"
#define OPT_USERFILE "-u"
#define OPT_FILE "-f"
#define OPT_SILENT "-s"
#define OPT_FILEREMOVE "-e"
#define OPT_RAW "-w"
/*======== helper values ===============*/
#define EOS '\0'
/*======== helper variables ===============*/
/* To do:
* check roman 8/Latin 1
* check PAGER env variable
* do character wrap
*/
/*======== data structs ==============*/
/*======== static variables ===============*/
/*======== functions ==============*/
#if DOC
===================================================================
$PFUNBEG$: PutOpt()
$1LINER$: Concats option and value strings into cmd str
$DESCRIPT$:
Concats option and value strings into cmd str
$RETURNS$:
$ARGS$:
========================================================$SKIP$=====*/
#endif /*DOC*/
static
void PutOpt(
char * cmdStr,
char * option,
char * value,
Boolean optionHasValue)
{ /*$CODE$*/
char * start;
char * fmt;
/* check params */
if ( option == NULL
|| option[0] == EOS
|| ( optionHasValue == True
&& (value == NULL || value[0] == EOS) ) )
return; /* RETURN */
start = &cmdStr[strlen(cmdStr)];
if ( value == NULL ) fmt = " %s";
else fmt = " %s '%s'";
sprintf(start,fmt,option,value);
} /*$END$*/
#if DOC
===================================================================
$FUNBEG$: _DtHPrGetPrOffsetArg()
$1LINER$: Builds the pr offset argument string, if needed
$DESCRIPT$:
Concats option and value strings into cmd str
$RETURNS$:
$ARGS$:
========================================================$SKIP$=====*/
#endif /*DOC*/
void _DtHPrGetPrOffsetArg(
_DtHPrOptions * options,
char * argStr)
{ /*$CODE$*/
if ( options->outputFile && options->outputFile[0] != EOS )
argStr[0] = EOS;
else
sprintf(argStr,options->prOffsetArg, options->colsAdjLeftMargin);
} /*$END$*/
#if DOC
===================================================================
$FUNBEG$: _DtHPrGenFileOrPrint()
$1LINER$: Executes print Command to generate file; prints if needed
$DESCRIPT$:
Executes the printCommand that is passed in to generate
either the desired output file or to print the results of
the command. If printing the results, the results are first
put in a temporary file, which is then printed indirectly
by invoking a shell script that should print the file. The
temp file is deleted after the shell script executes.
$RETURNS$:
If generating a file: result of system(printCommand)
If printing a file: result of system(printCommand) if fails
result of system("sh -c <shellCommand>") otherwise
$ARGS$:
printCommand: should pt to a very large (e.g. >5000 char) string
that can be modified by this routine
========================================================$SKIP$=====*/
#endif /*DOC*/
int _DtHPrGenFileOrPrint(
_DtHPrOptions * options,
char * userfile,
char * printCommand)
{ /*$CODE$*/
int status;
char * tmpfile;
char cmdFormat[30];
/* put into specified output file?? */
if (options->outputFile[0] != EOS)
{
strcat(printCommand," ");
sprintf(&printCommand[strlen(printCommand)],
options->redirectCmdAndArgs,
options->outputFile ); /* file */
if(options->debugHelpPrint) printf("%s\n",printCommand);
return (system(printCommand)); /* RETURN */
}
/* put into private tmp file */
strcat(printCommand," ");
tmpfile = _DtHPrCreateTmpFile(TMPFILE_PREFIX,TMPFILE_SUFFIX);
sprintf(&printCommand[strlen(printCommand)],
options->redirectCmdAndArgs,
tmpfile ); /* file */
if(options->debugHelpPrint)
printf("%s\n",printCommand);
strcat(printCommand,"\n");
if ( (status = system(printCommand))!= 0)
{
unlink(tmpfile);
free(tmpfile);
return status; /* RETURN */
}
/* make sure there is a DISPLAY environment variable */
{
char *dispfmt = "DISPLAY=%s";
char *dispenv = malloc(strlen(dispfmt) + strlen(options->display) + 1);
sprintf(dispenv, dispfmt, options->display);
putenv(dispenv);
}
/* put the shell print script in there */
sprintf(printCommand,"%s", options->shCommand);
/* set all the options that are IPC to the print script */
PutOpt(printCommand,OPT_LPDEST,options->printer,True);
PutOpt(printCommand,OPT_COMMAND,options->lpCommand,True);
PutOpt(printCommand,OPT_COPYCOUNT,options->copies,True);
PutOpt(printCommand,OPT_SILENT,NULL,False);
PutOpt(printCommand,OPT_FILEREMOVE,NULL,False);
PutOpt(printCommand,OPT_FILE,tmpfile,True);
PutOpt(printCommand,OPT_USERFILE,userfile,True);
/* execute the shell command to cause printing */
if(options->debugHelpPrint) printf("%s\n",printCommand);
status = system(printCommand);
/* unlink(tmpfile); ** NOTE: don't unlink; let the printCommand do it */
/* note the DTPRINTFILEREMOVE env var setting above */
free(tmpfile);
return(status);
} /*$END$*/
#ifndef NO_MESSAGE_CATALOG
#if DOC
===================================================================
$FUNBEG$: _DtHPrGetMessage()
$1LINER$: Gets a message string from the msg cat; uses dflt if no msg
$DESCRIPT$:
Gets a message string from the msg cat; uses dflt if no message defined
or LANG is undefined or "C".
$RETURNS$:
$ARGS$:
========================================================$SKIP$=====*/
#endif /*DOC*/
char * _DtHPrGetMessage(
int set,
int n,
const char *s)
{ /*$CODE$*/
static int s_First = 1;
static nl_catd s_Nlmsg_fd = (nl_catd) -1;
static char * s_CatFileName = NULL;
if ( s_First )
{
/* Setup our default message catalog names if none have been set! */
if (s_CatFileName == NULL)
{
/* Setup the short and long versions */
s_CatFileName = strdup(HELPPRINT_CAT);
}
s_First = 0;
s_Nlmsg_fd = CATOPEN(s_CatFileName, 0);
} /* end of first-time processing */
return CATGETS(s_Nlmsg_fd, set, n, s);
}
#endif /* NO_MESSAGE_CATALOG */
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