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PROGRAM
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CSTUB.C
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C/C++ Source or Header
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1991-12-31
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/****************************************************************************
*
* Copyright (C) 1991 Kendall Bennett.
* All rights reserved.
*
* Filename: $RCSfile: cstub.c $
* Version: $Revision: 1.4 $
*
* Language: ANSI C
* Environment: any
*
* Description: A C program stub containing common interface code to getopt
* and other routines.
*
* $Id: cstub.c 1.4 91/12/31 19:39:36 kjb Exp $
*
* Revision History:
* -----------------
*
* $Log: cstub.c $
* Revision 1.4 91/12/31 19:39:36 kjb
* Modified include file directories.
*
* Revision 1.3 91/09/25 14:46:39 kjb
* Added code for UNIX.
*
* Revision 1.2 91/09/24 19:47:46 kjb
* Added code to interface to the getargs() routine.
*
* Revision 1.1 91/08/16 11:19:56 ROOT_DOS
* Initial revision
*
****************************************************************************/
char *rcsid = "$Id: cstub.c 1.4 91/12/31 19:39:36 kjb Exp $";
#include <stdio.h>
#include <malloc.h>
#include <process.h>
#include <string.h>
#include <ctype.h>
#ifdef __MSDOS__
#include <dir.h>
#endif
#include "debug.h"
#include "getopt.h" /* Option parsing routines */
/*------------------------- Global variables ------------------------------*/
char *version = "1.1b"; /* Version string (eg: 5.20b) */
char nameofus[MAXFILE]; /* Name of program (no path) */
char pathtous[MAXDIR]; /* Pathname to our program. */
char *progname; /* Descriptive name of program */
option optarr[] =
{{'d',INTEGER,NULL,"An integer number"},
{'x',HEX,NULL,"A hexidecimal number"},
{'z',SWITCH,NULL,"An option switch"}};
/*-------------------------- Implementation -------------------------------*/
void init(char *argv0,char *prognam)
/****************************************************************************
* *
* Function: init *
* Parameters: char *argv0 - The argv[0] array entry. *
* char *prognam - Descriptive name of program. *
* *
* Description: Init takes the pathname to our program as a parameter *
* (found in argv[0]) and use this to set up three global *
* variables: *
* *
* pathtous - Contains the pathname to our program *
* nameofus - Contains the name of the program (without the *
* .EXE extension) *
* *
* We also set up the global variable progname to point to *
* the static string passed to init for all to use. *
* *
****************************************************************************/
{
char *p,i;
/* Obtain the path to our program from pathname - note that we only
* do this for MS DOS machines. Under UNIX this is not available
* since argv[0] holds the name of the program without the path
* attached. We set pathtous to an empty string under UNIX, and
* nameofus to the value of argv[0].
*/
MS( p = strrchr(argv0,'\\') + 1;
i = *p;
*p = '\0';
strcpy(pathtous,argv0);
*p = i;
/* Obtain the name of our program from pathname */
i = 0;
while (*p != '.')
nameofus[i++] = *p++;
nameofus[i] = '\0';)
UX( strcpy(nameofus,argv0);
pathtous[0] = '\0';)
progname = prognam;
}
void banner(void)
/****************************************************************************
*
* Function: banner
*
* Description: Prints the program's banner to the standard output
* Under Borland C++, we insert the compilation date into
* the banner using the __DATE__ macro. This does not
* seem to be available under some UNIX systems, so for UNIX
* we do not insert the date into the banner.
*
****************************************************************************/
{
MS(printf("%s Version %s - %s Copyright (C) 1991 Kendall Bennett\n\n"
,progname,version,__DATE__);)
UX(printf("%s Version %s Copyright (C) 1991 Kendall Bennett\n\n"
,progname,version);)
}
void help(void)
/****************************************************************************
*
* Function: help
*
* Description: Help provides usage information about our program if the
* options do make any sense or the help switch was specified
* on the command line.
*
****************************************************************************/
{
banner();
printf("Usage: %s [options]\n\n",nameofus);
printf("Options are:\n");
print_desc(NUM_OPT,optarr);
exit(1);
}
int do_params(char *param,int num)
/****************************************************************************
*
* Function: do_params
* Parameters: param - String representing parameter
* num - Parameter number
* Returns: ALLDONE on success, or INVALID on error.
*
* Description: Handles the parameters on the command line, interspersed
* between command line options.
*
****************************************************************************/
{
switch (num) {
}
return ALLDONE;
}
void main(int argc,char **argv)
{
init(argv[0],"CStub"); /* Initialise a few globals */
switch (getargs(argc,argv,NUM_OPT,optarr,do_params)) {
case INVALID:
printf("Invalid option\a\n");
exit(1);
break;
case HELP:
help();
}
}