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/*----------------------------------------------------------------------------*/
/* */
/* Copyright (c) 2012-2012 Rexx Language Association. All rights reserved. */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the Common Public License v1.0 which accompanies this */
/* distribution. A copy is also available at the following address: */
/* http://www.oorexx.org/license.html */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in */
/* the documentation and/or other materials provided with the distribution. */
/* */
/* Neither the name of Rexx Language Association nor the names */
/* of its contributors may be used to endorse or promote products */
/* derived from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/*----------------------------------------------------------------------------*/
/******************************************************************************/
/* */
/* main entry point to REXX for LINUX and AIX */
/* */
/******************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "oorexxapi.h"
#if defined(AIX)
#define SYSINITIALADDRESS "ksh"
#elif defined(OPSYS_SUN)
#define SYSINITIALADDRESS "sh"
#else
#define SYSINITIALADDRESS "bash"
#endif
int main (int argc, char **argv) {
int i; /* loop counter */
int rc = 0; /* actually running program RC */
const char *program_name = NULL; /* name to run */
char arg_buffer[8192]; /* starting argument buffer */
const char *cp; /* option character pointer */
CONSTRXSTRING argument; /* rexxstart argument */
size_t argCount = 0;
char *ptr;
short rexxrc = 0; /* exit List array */
bool from_string = false; /* running from command line string? */
bool real_argument = true; /* running from command line string? */
RXSTRING instore[2];
RexxInstance *pgmInst;
RexxThreadContext *pgmThrdInst;
RexxArrayObject rxargs, rxcargs;
RexxDirectoryObject dir;
RexxObjectPtr result;
arg_buffer[0] = '\0'; /* default to no argument string */
for (i = 1; i < argc; i++) { /* loop through the arguments */
/* is this option a switch? */
if (program_name == NULL && (*(cp=*(argv+i)) == '-')) {
switch (*++cp) {
case 'e': case 'E': /* execute from string */
from_string = true; /* hit the startup flags */
if ( argc == i+1 ) {
break;
}
program_name = "INSTORE";
instore[0].strptr = argv[i+1];
instore[0].strlength = strlen(instore[0].strptr);
instore[1].strptr = NULL;
instore[1].strlength = 0;
real_argument = false;
break;
case 'v': case 'V': /* display version string */
ptr = RexxGetVersionInformation();
fprintf(stdout, ptr);
fprintf(stdout, "\n");
RexxFreeMemory(ptr);
return 0;
default: /* ignore other switches */
break;
}
} else { /* convert into an argument string */
if (program_name == NULL) { /* no name yet? */
program_name = argv[i]; /* program is first non-option */
} else if (real_argument) {
if (arg_buffer[0] != '\0') /* not the first one? */
strcat(arg_buffer, " "); /* add an blank */
strcat(arg_buffer, argv[i]); /* add this to the arg string */
++argCount;
}
real_argument = true;
}
}
/* missing a program name? */
if (program_name == NULL) {
/* give a simple error message */
fprintf(stderr,"\n");
fprintf(stderr,"Syntax is \"rexx filename [arguments]\"\n");
fprintf(stderr,"or \"rexx -e program_string [arguments]\"\n");
fprintf(stderr,"or \"rexx -v\".\n");
return -1;
}
argCount = (argCount==0) ? 0 : 1; /* is there an argument ? */
/* make an argument */
MAKERXSTRING(argument, arg_buffer, strlen(arg_buffer));
/* run this via RexxStart */
if (from_string) {
rc = RexxStart(argCount, /* number of arguments */
&argument, /* array of arguments */
program_name, /* INSTORE */
instore, /* rexx code from -e */
SYSINITIALADDRESS,/* command env. name */
RXCOMMAND, /* code for how invoked */
NULL,
&rexxrc, /* REXX program output */
NULL); /* REXX program output */
}
else {
RexxCreateInterpreter(&pgmInst, &pgmThrdInst, NULL);
// configure the traditional single argument string
rxargs = pgmThrdInst->NewArray(1);
pgmThrdInst->ArrayPut(rxargs,
pgmThrdInst->NewStringFromAsciiz(arg_buffer), 1);
// set up the C args into the .local environment
dir = (RexxDirectoryObject)pgmThrdInst->GetLocalEnvironment();
rxcargs = pgmThrdInst->NewArray(1);
for (i = 2; i < argc; i++) {
pgmThrdInst->ArrayPut(rxcargs,
pgmThrdInst->NewStringFromAsciiz(argv[i]),
i - 1);
}
pgmThrdInst->DirectoryPut(dir, rxcargs, "SYSCARGS");
// call the interpreter
result = pgmThrdInst->CallProgram(program_name, rxargs);
// display any error message if there is a condition.
// if there was an error, then that will be our return code
rc = pgmThrdInst->DisplayCondition();
if (rc != 0) {
return -rc; // well, the negation of the error number is the return code
}
if (result != NULL) {
pgmThrdInst->ObjectToInt32(result, &rc);
}
return rc;
}
return rc ? rc : rexxrc;
}