225 lines
9.7 KiB
C
225 lines
9.7 KiB
C
/*----------------------------------------------------------------------------*/
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/* */
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/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved. */
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/* Copyright (c) 2005-2021 Rexx Language Association. All rights reserved. */
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/* */
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/* This program and the accompanying materials are made available under */
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/* the terms of the Common Public License v1.0 which accompanies this */
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/* distribution. A copy is also available at the following address: */
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/* https://www.oorexx.org/license.html */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* Redistributions of source code must retain the above copyright */
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/* notice, this list of conditions and the following disclaimer. */
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/* Redistributions in binary form must reproduce the above copyright */
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/* notice, this list of conditions and the following disclaimer in */
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/* the documentation and/or other materials provided with the distribution. */
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/* */
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/* Neither the name of Rexx Language Association nor the names */
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/* of its contributors may be used to endorse or promote products */
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/* derived from this software without specific prior written permission. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
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/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
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/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
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/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
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/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
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/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
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/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
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/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
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/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
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/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
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/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/*----------------------------------------------------------------------------*/
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/***************************************************************************/
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/* */
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/* rexxasp2.c Open Object Rexx samples */
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/* */
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/* ----------------------------------------------------------------------- */
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/* */
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/* Description: functions used by Open Object Rexx script */
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/* */
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/***************************************************************************/
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <rexx.h>
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/*********************************************************************/
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/* Numeric Return calls */
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/*********************************************************************/
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#define INVALID_ROUTINE 40 /* Raise Rexx error */
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#define VALID_ROUTINE 0 /* Successful completion */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************************************************************/
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/* ApiFncTable */
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/* Array of names of the REXXAPI functions. */
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/* This list is used for registration and deregistration. */
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/*********************************************************************/
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static const char *ApiFncTable[] =
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{
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"ApiDeregFunc2",
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"Api_Fill_REXX_Variable_Pool"
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};
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/*************************************************************************
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* Function: ApiLoadFuncs2 *
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* *
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* Syntax: call ApiLoadFuncs2 *
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* *
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* Params: none *
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* *
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* Return: null string *
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*************************************************************************/
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RexxReturnCode REXXENTRY ApiLoadFuncs2(
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const char *name, /* Function name */
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size_t numargs, /* Number of arguments */
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CONSTRXSTRING args[], /* Argument array */
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const char * queuename, /* Current queue */
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PRXSTRING retstr ) /* Return RXSTRING */
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{
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int entries; /* Num of entries */
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int j; /* Counter */
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entries = sizeof(ApiFncTable)/sizeof(const char *);
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for (j = 0; j < entries; j++)
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{
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RexxRegisterFunctionDll(ApiFncTable[j], "rexxapi2", ApiFncTable[j]);
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}
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return VALID_ROUTINE;
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}
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/*************************************************************************
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* Function: ApiDeregFunc2 *
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* *
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* Syntax: call ApiDeregFuncs2 *
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* *
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* Params: none *
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* *
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* Return: null string *
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*************************************************************************/
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RexxReturnCode REXXENTRY ApiDeregFunc2(
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const char *name, /* Function name */
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size_t numargs, /* Number of arguments */
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CONSTRXSTRING args[], /* Argument array */
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const char * queuename, /* Current queue */
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PRXSTRING retstr ) /* Return RXSTRING */
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{
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int entries; /* Num of entries */
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int j; /* Counter */
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retstr->strlength = 0; /* set return value */
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if (numargs > 0)
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return INVALID_ROUTINE;
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entries = sizeof(ApiFncTable)/sizeof(const char *);
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for (j = 0; j < entries; j++)
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{
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RexxDeregisterFunction(ApiFncTable[j]);
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}
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return VALID_ROUTINE;
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}
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/*************************************************************************
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* Function: ApiRead *
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* *
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* Syntax: call Api_Fill_REXX_Variable_Pool *
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* *
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* Params: outbuf - variable that will be filled with data *
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* Return: 0 - success, 1 - failure *
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*************************************************************************/
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RexxReturnCode REXXENTRY Api_Fill_REXX_Variable_Pool(
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const char *name, /* Function name */
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size_t numargs, /* Number of arguments */
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CONSTRXSTRING args[], /* Argument array */
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const char * queuename, /* Current queue */
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PRXSTRING retstr ) /* Return RXSTRING */
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{
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char *outbuf = NULL;
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char *ptr;
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int i;
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SHVBLOCK shvb;
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/* we expect 1 argument */
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if (numargs != 1 ) /* validate arg count */
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{
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strcpy(retstr->strptr, "Api_Fill_REXX_Variable_Pool expects 1 Arguments");
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retstr->strlength = strlen(retstr->strptr);
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return VALID_ROUTINE;
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}
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/* preset the return value */
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strcpy(retstr->strptr, "0");
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retstr->strlength = strlen(retstr->strptr);
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outbuf = (char *) malloc(300);
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if (outbuf == NULL)
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{
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strcpy(retstr->strptr, "Api_Fill_REXX_Variable_Pool received a allocation fault");
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retstr->strlength = strlen(retstr->strptr);
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return VALID_ROUTINE;
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}
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ptr = outbuf;
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for (i=0; i<300; i++)
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{
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*ptr = i % 256;
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ptr++;
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}
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/* copying the buffer to the Rexx Variable Pool ****************/
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shvb.shvnext = NULL;
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shvb.shvname.strptr = args[0].strptr;
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shvb.shvname.strlength = strlen(args[0].strptr);
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shvb.shvnamelen = shvb.shvname.strlength;
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shvb.shvvalue.strptr = outbuf;
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shvb.shvvalue.strlength = 300;
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shvb.shvvaluelen = 300;
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shvb.shvcode = RXSHV_SYSET;
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shvb.shvret = 0;
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if (RexxVariablePool(&shvb) == RXSHV_BADN)
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{
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free(outbuf);
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strcpy(retstr->strptr, "1");
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return INVALID_ROUTINE;
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}
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free(outbuf);
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return VALID_ROUTINE;
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}
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#ifdef __cplusplus
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}
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#endif
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