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rexxexec.c
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rexxexec.c
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/*---------------------------------------------------------------------------+
| Titel: REXXEXEC.C |
+-----------------------------------------+---------------------------------+
| Erstellt von: Michael Hohner | Am: 10.08.1994 |
+-----------------------------------------+---------------------------------+
| System: OS/2 2.x PM |
+---------------------------------------------------------------------------+
| Beschreibung: |
| |
| Rexx-Ausfuehrung |
| |
| |
+---------------------------------------------------------------------------+
| Bemerkungen: |
+---------------------------------------------------------------------------*/
/*----------------------------- Header-Dateien ------------------------------*/
#pragma strings(readonly)
#define INCL_BASE
#define INCL_PM
#include <os2.h>
#define INCL_REXXSAA
#include <rexxsaa.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "main.h"
#include "resids.h"
#include "messages.h"
#include "structs.h"
#include "msgheader.h"
#include "areaman\areaman.h"
#include "dialogids.h"
#include "rexxexec.h"
#include "mainwindow.h"
#include "savemsg.h"
#include "utility.h"
#include "fltv7\fltv7.h"
#include "lookups.h"
#include "ccmanage.h"
#include "controls\editwin.h"
#include "handlemsg\handlemsg.h"
#include "handlemsg\kludgeapi.h"
#include "util\addrcnv.h"
#include "dump\expt.h"
/*--------------------------------- Defines ---------------------------------*/
#define ERRORMSGFILE "rex.msg"
#define ERROREXPLFILE "rexh.msg"
#define REXXENVNAME "FLEETSTREET"
#define STDIN 0
#define STDOUT 1
#define STDERR 2
/*---------------------------------- Typen ----------------------------------*/
typedef struct _STRINGLIST {
struct _STRINGLIST *next;
PCHAR pchLine;
} STRINGLIST, *PSTRINGLIST;
typedef struct {
HMTX hmtxQueueAccess;
HEV hevQueueAdd;
PSTRINGLIST pLines;
} IOQUEUE, *PIOQUEUE;
typedef struct {
ULONG ulStatus;
BOOL bNotify;
} MONITORDATA, *PMONITORDATA;
#define REXXSTATUS_WAITFORSTART 0
#define REXXSTATUS_RUNNING 1
#define REXXSTATUS_ENDED 2
typedef struct {
USHORT cb;
PCHAR pchErrorText;
PCHAR pchErrorTitle;
} REXXERRORPAR, *PREXXERRORPAR;
typedef struct {
PCHAR pchFuncName;
RexxFunctionHandler *pFuncAddr;
} FUNCTIONTABLE;
/*---------------------------- Globale Variablen ----------------------------*/
extern SCRIPTLIST scriptlist;
extern HWND client, hwndhelp;
extern HMODULE hmodLang;
extern HAB anchor;
extern HWND hwndMonitor;
extern PRXSCRIPT pExecScript;
extern int tidRexxExec;
static HFILE stdin_r;
static HFILE stdin_w;
static HFILE stdout_r;
static HFILE stdout_w;
static HFILE stderr_w;
static IOQUEUE stdinqueue;
/*----------------------- interne Funktionsprototypen -----------------------*/
static MRESULT EXPENTRY ScriptMonitorProc(HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2);
static void _Optlink stdinpipe(PVOID pData);
static void _Optlink stdoutpipe(PVOID pData);
static void makepipe(PHFILE read, HFILE rspot, PHFILE write, HFILE wspot, ULONG psize);
static void setinherit(HFILE handle, BOOL inh);
static MRESULT EXPENTRY RexxErrorProc(HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2);
INT _System RexxInitExit(LONG lExitNumber, LONG lSubfunction, PEXIT pParams);
INT _System RexxTermExit(LONG lExitNumber, LONG lSubfunction, PEXIT pParams);
void _Optlink CallRexx(PVOID pParam);
static char *FormatRexxError(char *pchText);
static char *FormatRexxTitle(char *pchText);
static void RexxVarUserNames(void);
static void RexxVarUserAddresses(void);
static void RexxVarCC(PCCLIST pList);
static void SetRexxVar(const char *pchName, const char *pchValue);
static int QueryRexxVar(const char *pchName, char *pchBuffer, ULONG ulBufLen);
static void RexxVarMessageHeader(MSGHEADER *pHeader);
static void RexxVarMessageText(FTNMESSAGE *pMessage, ULONG ulCursor);
static void RexxVarSeenbys(FTNMESSAGE *pMessage);
static void RexxVarKludges(FTNMESSAGE *pMessage);
static void RegisterFunctions(void);
static void DeregisterFunctions(void);
static ULONG _System FSSetText(PUCHAR pchFuncName, ULONG argc, PRXSTRING argv, PSZ pchQueueName, PRXSTRING pRetStr);
static ULONG _System FSLookupAddress(PUCHAR pchFuncName, ULONG argc, PRXSTRING argv, PSZ pchQueueName, PRXSTRING pRetStr);
static ULONG _System FSLookupName(PUCHAR pchFuncName, ULONG argc, PRXSTRING argv, PSZ pchQueueName, PRXSTRING pRetStr);
static ULONG _System FSSetEntryField(PUCHAR pchFuncName, ULONG argc, PRXSTRING argv, PSZ pchQueueName, PRXSTRING pRetStr);
static ULONG _System FSCls(PUCHAR pchFuncName, ULONG argc, PRXSTRING argv, PSZ pchQueueName, PRXSTRING pRetStr);
static ULONG _System FSSetHeader(PUCHAR pchFuncName, ULONG argc, PRXSTRING argv, PSZ pchQueueName, PRXSTRING pRetStr);
static ULONG _System FSEncodeLine(PUCHAR pchFuncName, ULONG argc, PRXSTRING argv, PSZ pchQueueName, PRXSTRING pRetStr);
static ULONG _System FSDecodeLine(PUCHAR pchFuncName, ULONG argc, PRXSTRING argv, PSZ pchQueueName, PRXSTRING pRetStr);
static const FUNCTIONTABLE FunctionTable[] =
{
{"FSSetText", &FSSetText},
{"FSLookupAddress", &FSLookupAddress},
{"FSLookupName", &FSLookupName},
{"FSSetEntryField", &FSSetEntryField},
{"FSCls", &FSCls},
{"FSSetHeader", &FSSetHeader},
{"FSDecodeLine", &FSDecodeLine},
{"FSEncodeLine", &FSEncodeLine},
{NULL, NULL}
};
/*---------------------------------------------------------------------------*/
/* Funktionsname: StartRexxScript */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Beschreibung: Startet mit der Ausfuehrung des Scripts */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Parameter: ulScriptID: Script-ID */
/* phwndMonitor: Empfangspuffer f. Monitor-Window-Handle */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Rckgabewerte: 0 Script gestartet */
/* 1 Fehler, Script nicht gestartet */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Sonstiges:- */
/* */
/*---------------------------------------------------------------------------*/
int StartRexxScript(ULONG ulScriptID, PHWND phwndMonitor)
{
PRXSCRIPT pScript=scriptlist.pScripts;
HWND hwndNewMonitor = NULLHANDLE;
if (tidRexxExec)
{
return 1;
}
while (pScript && pScript->ulScriptID != ulScriptID)
pScript = pScript->next;
if (!pScript)
{
return 1; /* unbekannte ID */
}
if (!pScript->pchPathName[0])
{
return 1; /* kein Pfadname */
}
pExecScript = pScript;
if (!(pScript->ulFlags & REXXFLAG_NOMONITOR))
{
#if 1
/* Monitor-Fenster erzeugen */
hwndNewMonitor = WinLoadDlg(HWND_DESKTOP, client, ScriptMonitorProc,
hmodLang, IDD_RXMONITOR, NULL);
if (!hwndNewMonitor)
{
return 1;
}
#endif
if (phwndMonitor)
*phwndMonitor = hwndNewMonitor;
}
hwndMonitor = hwndNewMonitor;
SendMsg(client, WORKM_DISABLEVIEWS, NULL, NULL);
tidRexxExec = _beginthread(CallRexx, NULL, 100000, pScript);
return 0;
}
/*---------------------------------------------------------------------------*/
/* Funktionsname: RegisterFunctions */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Beschreibung: Registriert alle Funktionen der Funktionstabelle */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Parameter: - */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Rckgabewerte: - */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Sonstiges:- */
/* */
/*---------------------------------------------------------------------------*/
static void RegisterFunctions(void)
{
int i=0;
while (FunctionTable[i].pchFuncName)
{
RexxRegisterFunctionExe(FunctionTable[i].pchFuncName,
(PFN)FunctionTable[i].pFuncAddr);
i++;
}
return;
}
/*---------------------------------------------------------------------------*/
/* Funktionsname: DeregisterFunctions */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Beschreibung: De-Registriert alle Funktionen der Funktionstabelle */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Parameter: - */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Rckgabewerte: - */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Sonstiges:- */
/* */
/*---------------------------------------------------------------------------*/
static void DeregisterFunctions(void)
{
int i=0;
while (FunctionTable[i].pchFuncName)
{
RexxDeregisterFunction(FunctionTable[i].pchFuncName);
i++;
}
return;
}
/*---------------------------------------------------------------------------*/
/* Funktionsname: ScriptMonitorProc */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Beschreibung: Window-Procedure des Script-Monitors */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Parameter: WinProc */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Rckgabewerte: MRESULT */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Sonstiges:- */
/* */
/*---------------------------------------------------------------------------*/
static MRESULT EXPENTRY ScriptMonitorProc(HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2)
{
PMONITORDATA pMonitorData = (PMONITORDATA) WinQueryWindowULong(hwnd, QWL_USER);
extern WINDOWCOLORS windowcolors;
extern WINDOWFONTS windowfonts;
switch(msg)
{
case WM_INITDLG:
/* Instanzdaten */
pMonitorData = calloc(1, sizeof(MONITORDATA));
WinSetWindowULong(hwnd, QWL_USER, (ULONG) pMonitorData);
/* Eingabelaenge */
WinSendDlgItemMsg(hwnd, IDD_RXMONITOR+2, EM_SETTEXTLIMIT,
MPFROMSHORT(500), NULL);
WinSubclassWindow(WinWindowFromID(hwnd, IDD_RXMONITOR+2), FileEntryProc);
SetBackground(WinWindowFromID(hwnd, IDD_RXMONITOR+1), &windowcolors.monitorback);
SetForeground(WinWindowFromID(hwnd, IDD_RXMONITOR+1), &windowcolors.monitorfore);
SetFont(WinWindowFromID(hwnd, IDD_RXMONITOR+1), windowfonts.monitorfont);
RestoreWinPos(hwnd, &pExecScript->MonitorPos, FALSE, TRUE);
pMonitorData->bNotify = TRUE;
break;
case WM_CLOSE:
if (pMonitorData->ulStatus != REXXSTATUS_ENDED)
return (MRESULT) FALSE;
else
{
WinPostMsg(client, REXXM_CLOSE, (MPARAM) hwnd, NULL);
break;
}
case WM_DESTROY:
if (!WinRequestMutexSem(stdinqueue.hmtxQueueAccess, SEM_INDEFINITE_WAIT))
{
if (stdinqueue.pLines)
{
/* Queue aufraeumen */
PSTRINGLIST pString = stdinqueue.pLines;
PSTRINGLIST pNextString;
while(pString)
{
pNextString = pString->next;
free(pString->pchLine);
free(pString);
pString = pNextString;
}
}
DosReleaseMutexSem(stdinqueue.hmtxQueueAccess);
}
QueryBackground(WinWindowFromID(hwnd, IDD_RXMONITOR+1), &windowcolors.monitorback);
QueryForeground(WinWindowFromID(hwnd, IDD_RXMONITOR+1), &windowcolors.monitorfore);
QueryFont(WinWindowFromID(hwnd, IDD_RXMONITOR+1), windowfonts.monitorfont);
free(pMonitorData);
break;
case WM_WINDOWPOSCHANGED:
if (pMonitorData && pMonitorData->bNotify)
{
if (SaveWinPos(hwnd, (PSWP) mp1, &pExecScript->MonitorPos, &pExecScript->bDirty))
scriptlist.bDirty=TRUE;
}
break;
case REXXM_STARTSCRIPT:
pMonitorData->ulStatus = REXXSTATUS_RUNNING;
WinEnableControl(hwnd, IDD_RXMONITOR+2, TRUE);
WinEnableControl(hwnd, IDD_RXMONITOR+4, TRUE);
SetFocusControl(hwnd, IDD_RXMONITOR+2);
return (MRESULT) NULL;
case REXXM_STOPSCRIPT:
pMonitorData->ulStatus = REXXSTATUS_ENDED;
WinEnableControl(hwnd, IDD_RXMONITOR+2, FALSE);
WinEnableControl(hwnd, IDD_RXMONITOR+4, FALSE);
WinEnableControl(hwnd, IDD_RXMONITOR+3, TRUE);
if (pExecScript->ulFlags & REXXFLAG_AUTOCLOSE)
WinPostMsg(hwnd, WM_CLOSE, NULL, NULL);
return (MRESULT) NULL;
case REXXM_CLS:
WinSendDlgItemMsg(hwnd, IDD_RXMONITOR+1, LM_DELETEALL, NULL, NULL);
return (MRESULT) NULL;
case REXXM_ERROR:
DisplayRexxError(hwnd, (PCHAR) mp1, (PCHAR) mp2);
pMonitorData->ulStatus = REXXSTATUS_ENDED;
WinEnableControl(hwnd, IDD_RXMONITOR+2, FALSE);
WinEnableControl(hwnd, IDD_RXMONITOR+4, FALSE);
WinEnableControl(hwnd, IDD_RXMONITOR+3, TRUE);
return (MRESULT) NULL;
case REXXM_OUTLINE: /* mp1 ist PSTRINGLIST */
if (mp1)
{
SHORT sTop;
ULONG ulNumLines=0;
PSTRINGLIST pHelp=(PSTRINGLIST) mp1, pHelp2;
while(pHelp)
{
while (WinSendDlgItemMsg(hwnd, IDD_RXMONITOR+1, LM_INSERTITEM,
MPFROMSHORT(LIT_END), pHelp->pchLine) == (MRESULT) LIT_MEMERROR)
{
/* zu wenig Speicher, erstes wieder loeschen */
WinSendDlgItemMsg(hwnd, IDD_RXMONITOR+1, LM_DELETEITEM,
NULL, NULL);
}
ulNumLines++;
free(pHelp->pchLine);
pHelp2 = pHelp;
pHelp = pHelp->next;
free(pHelp2);
}
if (ulNumLines)
{
/* ulNumLines nach unten scrollen */
sTop = (SHORT) WinSendDlgItemMsg(hwnd, IDD_RXMONITOR+1, LM_QUERYTOPINDEX,
NULL, NULL);
WinSendDlgItemMsg(hwnd, IDD_RXMONITOR+1, LM_SETTOPINDEX,
MPFROMSHORT(sTop+ulNumLines), NULL);
}
}
return (MRESULT) NULL;
case WM_COMMAND:
switch(SHORT1FROMMP(mp1))
{
PID pid;
TID tid;
case DID_OK:
WinAlarm(HWND_DESKTOP, WA_NOTE);
return (MRESULT) FALSE;
case DID_CANCEL:
return (MRESULT) FALSE;
case IDD_RXMONITOR+3: /* Close-Button */
WinPostMsg(client, REXXM_CLOSE, (MPARAM) hwnd, NULL);
break;
case IDD_RXMONITOR+4: /* Stop-Button */
WinQueryWindowProcess(hwnd, &pid, &tid);
RexxSetHalt(pid, tidRexxExec);
WinEnableControl(hwnd, IDD_RXMONITOR+4, FALSE);
return (MRESULT) FALSE;
default:
return (MRESULT) FALSE;
}
break;
case WM_CHAR:
if (!(SHORT1FROMMP(mp1) & KC_KEYUP) &&
(SHORT1FROMMP(mp1) & KC_VIRTUALKEY) &&
(SHORT2FROMMP(mp2) == VK_NEWLINE ||
SHORT2FROMMP(mp2) == VK_ENTER) &&
WinQueryFocus(HWND_DESKTOP) == WinWindowFromID(hwnd, IDD_RXMONITOR+2) &&
pMonitorData->ulStatus == REXXSTATUS_RUNNING)
{
/* Text aus Zeile holen */
PCHAR pchText=NULL;
LONG lLen;
PSTRINGLIST pListItem;
lLen= WinQueryDlgItemTextLength(hwnd, IDD_RXMONITOR+2)+1;
pchText=malloc(lLen);
*pchText=0;
WinQueryDlgItemText(hwnd, IDD_RXMONITOR+2, lLen, pchText);
WinSetDlgItemText(hwnd, IDD_RXMONITOR+2, "");
/* Neues Item erzeugen */
pListItem = malloc(sizeof(STRINGLIST));
pListItem->next = NULL;
pListItem->pchLine = pchText;
/* Item in Queue einhaengen */
if (!WinRequestMutexSem(stdinqueue.hmtxQueueAccess, SEM_INDEFINITE_WAIT))
{
if (!stdinqueue.pLines)
{
stdinqueue.pLines = pListItem;
}
else
{
PSTRINGLIST pHelp=stdinqueue.pLines;
while(pHelp->next)
pHelp = pHelp->next;
pHelp->next = pListItem;
}
DosPostEventSem(stdinqueue.hevQueueAdd);
DosReleaseMutexSem(stdinqueue.hmtxQueueAccess);
}
return (MRESULT) TRUE;
}
else
break;
case WM_ACTIVATE:
if (mp1)
WinAssociateHelpInstance(hwndhelp, hwnd);
else
WinAssociateHelpInstance(hwndhelp, NULLHANDLE);
break;
default:
break;
}
return WinDefDlgProc(hwnd, msg, mp1, mp2);
}
void DisplayRexxError(HWND hwndOwner, char *pchText, char *pchTitle)
{
if (pchText)
{
REXXERRORPAR ErrorPar;
ErrorPar.cb = sizeof(ErrorPar);
ErrorPar.pchErrorText = pchText;
ErrorPar.pchErrorTitle = pchTitle;
WinDlgBox(HWND_DESKTOP, hwndOwner, RexxErrorProc, hmodLang,
IDD_REXXERROR, &ErrorPar);
}
if (pchText)
free(pchText);
if (pchTitle)
free(pchTitle);
return;
}
int CreatePipes(void)
{
LONG rc; /* return code */
DosClose(STDIN); /* close stdin, stdout, stderr */
DosClose(STDOUT);
DosClose(STDERR);
DosCreateMutexSem(NULL, &stdinqueue.hmtxQueueAccess, 0, FALSE);
DosCreateEventSem(NULL, &stdinqueue.hevQueueAdd, 0, FALSE);
/* Since we closed all open file handles, we are free to use any *
* handles we want. */
/* First, standard input */
makepipe(&stdin_r, STDIN, &stdin_w, 4, 16384);
setinherit(stdin_r, TRUE);
setinherit(stdin_w, FALSE);
/* Next, standard output */
makepipe(&stdout_r, 5, &stdout_w, STDOUT, 16384);
setinherit(stdout_w, TRUE);
setinherit(stdout_r, FALSE);
/* And, finally, standard error */
/* Just dup the standard output and handle it once. */
stderr_w = STDERR;
if (rc = DosDupHandle(stdout_w, &stderr_w))
{
return rc;
}
/* Pipe-Threads starten */
_beginthread(stdoutpipe, NULL, 16384, NULL);
_beginthread(stdinpipe, NULL, 16384, NULL);
return rc;
}
static void _Optlink stdinpipe(PVOID pData)
{
ULONG written;
ULONG ulCount;
PSTRINGLIST pLine;
INSTALLEXPT("stdin");
pData = pData;
while (TRUE)
{
/* Auf Eingabe in Queue warten */
DosResetEventSem(stdinqueue.hevQueueAdd, &ulCount);
if (DosWaitEventSem(stdinqueue.hevQueueAdd, SEM_INDEFINITE_WAIT))
break;
/* Queue belegen */
if (!DosRequestMutexSem(stdinqueue.hmtxQueueAccess, SEM_INDEFINITE_WAIT))
{
while (stdinqueue.pLines)
{
pLine = stdinqueue.pLines;
DosWrite(stdin_w, pLine->pchLine, strlen(pLine->pchLine), &written);
DosWrite(stdin_w, "\r\n", 2, &written);
free(pLine->pchLine);
stdinqueue.pLines = pLine->next;
free(pLine);
}
DosReleaseMutexSem(stdinqueue.hmtxQueueAccess);
}
else
break;
}
DEINSTALLEXPT;
return;
}
static void _Optlink stdoutpipe(PVOID pData)
{
UCHAR pchLineBuffer[200]="";
UCHAR pchReadBuffer[200]="";
int LinePos=0;
PSTRINGLIST pNewList=NULL;
PSTRINGLIST pLastList=NULL;
ULONG nread;
int i;
INSTALLEXPT("stdout");
pData = pData;
while (TRUE)
{
if (pNewList) /* Liste noch posten */
if (hwndMonitor)
while(!WinPostMsg(hwndMonitor, REXXM_OUTLINE, pNewList, NULL))
DosSleep(1L);
else
{
/* Liste wieder freigeben */
while (pNewList)
{
free(pNewList->pchLine);
pLastList = pNewList->next;
free(pNewList);
pNewList = pLastList;
}
}
pNewList=NULL;
nread=0;
while (nread==0) /* lesen */
DosRead(stdout_r, pchReadBuffer, sizeof(pchReadBuffer), &nread);
for (i=0; i<nread; i++) /* gelesenes abklappern */
{
switch(pchReadBuffer[i])
{
case '\n': /* Zeilenende, neuen Listeneintrag */
pchLineBuffer[LinePos]=0;
LinePos=0;
if (pNewList)
{
pLastList->next = malloc(sizeof(STRINGLIST));
pLastList = pLastList->next;
}
else
{
pNewList = malloc(sizeof(STRINGLIST));
pLastList = pNewList;
}
pLastList->next=NULL;
pLastList->pchLine = strdup(pchLineBuffer);
break;
case '\r': /* ignorieren */
break;
default: /* kopieren */
pchLineBuffer[LinePos++]=pchReadBuffer[i];
if (LinePos == 199)
{
/* Pufferueberlauf */
pchLineBuffer[199]=0;
LinePos=0;
if (pNewList)
{
pLastList->next = malloc(sizeof(STRINGLIST));
pLastList = pLastList->next;
}
else
{
pNewList = malloc(sizeof(STRINGLIST));
pLastList = pNewList;
}
pLastList->next=NULL;
pLastList->pchLine = strdup(pchLineBuffer);
}
break;
}
}
}
DEINSTALLEXPT;
}
static void makepipe(PHFILE read, HFILE rspot, PHFILE write, HFILE wspot, ULONG psize)
{
HFILE rh,wh; /* read and write handles for pipe */
HFILE newh = 0xFFFF; /* we want to get a new handle */
/* Create the pipe */
DosCreatePipe(&rh, &wh, psize);
if (rh != rspot)
{
if (wh == rspot)
{
if (rh != wspot)
newh = wspot;
DosDupHandle(wh, &newh);
wh = newh;
}
/* Dup requested read handle to the read handle we got */
DosDupHandle(rh, &rspot);
/* Close the original read handle we received */
DosClose(rh);
rh = rspot;
}
if (wh != wspot)
{
DosDupHandle(wh, &wspot);
/* Close original write handle we received */
DosClose(wh);
wh = wspot;
}
*read = rh;
*write = wh;
return;
}
static void setinherit(HFILE handle, BOOL inh)
{
ULONG state; /* Variable to change current state of */
/* the file handle */
DosQueryFHState(handle, &state);
if (inh)
state &= ~OPEN_FLAGS_NOINHERIT;
else
state |= OPEN_FLAGS_NOINHERIT;
DosSetFHState(handle, state);
return;
}
static void FlushPipes(void)
{
DosResetBuffer(stdin_r);
DosResetBuffer(stdin_w);
DosResetBuffer(stdout_r);
DosResetBuffer(stdout_w);
DosResetBuffer(stderr_w);
return;
}
/*---------------------------------------------------------------------------*/
/* Funktionsname: RexxErrorProc */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Beschreibung: Window-Prozedur f. Rexx-Fehlermeldungen */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Parameter: WinProc */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Rckgabewerte: MRESULT */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Sonstiges: - */
/* */
/*---------------------------------------------------------------------------*/
static MRESULT EXPENTRY RexxErrorProc(HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2)
{
switch(msg)
{
case WM_INITDLG:
if (mp2)
{
PREXXERRORPAR pErrorPar = (PREXXERRORPAR) mp2;
WinSetDlgItemText(hwnd, IDD_REXXERROR+3, pErrorPar->pchErrorText);
if (pErrorPar->pchErrorTitle)
WinSetWindowText(hwnd, pErrorPar->pchErrorTitle);
}
WinAlarm(HWND_DESKTOP, WA_ERROR);
break;
case WM_ACTIVATE:
if (mp1)
WinAssociateHelpInstance(hwndhelp, hwnd);
else
WinAssociateHelpInstance(hwndhelp, NULLHANDLE);
break;
default:
break;
}
return WinDefDlgProc(hwnd, msg, mp1, mp2);
}
/*---------------------------------------------------------------------------*/
/* Funktionsname: GetRexxErrorMsg */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Beschreibung: Holt die Fehlermeldung aus dem Message-File */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Parameter: pMsg: Zeiger auf den Meldungspuffer */
/* ulMsgNr: Message-Nummer */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Rckgabewerte: 0 OK */
/* 1 Fehler */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Sonstiges: */
/* */
/*---------------------------------------------------------------------------*/
int GetRexxErrorMsg(PCHAR pMsg, PCHAR pchTitle, ULONG ulMsgNr)
{
ULONG retlen=0;
memset(pMsg, 0, 1000);
memset(pchTitle, 0, 100);
switch (DosGetMessage(NULL, 0, pMsg, 1000, ulMsgNr,
ERROREXPLFILE, &retlen))
{
case NO_ERROR:
FormatRexxError(pMsg);
break;
case ERROR_FILE_NOT_FOUND:
case ERROR_FILENAME_EXCED_RANGE:
case ERROR_MR_UN_ACC_MSGF:
case ERROR_MR_INV_MSGF_FORMAT:
case ERROR_MR_INV_IVCOUNT:
case ERROR_MR_UN_PERFORM:
break;
case ERROR_MR_MID_NOT_FOUND:
sprintf(pMsg, "Error #%d", ulMsgNr);
break;
default:
break;
}
switch (DosGetMessage(NULL, 0, pchTitle, 100, ulMsgNr,
ERRORMSGFILE, &retlen))
{
case NO_ERROR:
FormatRexxTitle(pchTitle);
break;
case ERROR_FILE_NOT_FOUND:
case ERROR_FILENAME_EXCED_RANGE:
case ERROR_MR_UN_ACC_MSGF:
case ERROR_MR_INV_MSGF_FORMAT:
case ERROR_MR_INV_IVCOUNT:
case ERROR_MR_UN_PERFORM:
break;
case ERROR_MR_MID_NOT_FOUND:
break;
default:
break;
}
return 0;
}
/*---------------------------------------------------------------------------*/
/* Funktionsname: FormatRexxError */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Beschreibung: Formatiert die Fehlermeldung um */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Parameter: pMsg: Zeiger auf den Meldungspuffer */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Rckgabewerte: Zeiger auf Meldung */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Sonstiges: */
/* */
/*---------------------------------------------------------------------------*/
static char *FormatRexxError(char *pchText)
{
char *pchSrc = pchText;
char *pchDest = pchText;
while (*pchSrc)
{
switch(*pchSrc)
{
case '\r':
pchSrc++;
break;
case '\n':
pchSrc++;
if (*pchSrc != ' ')
{
*pchDest++ = '\n';
*pchDest++ = *pchSrc;
if (*pchSrc)
pchSrc++;
}
else
{
*pchDest++ = ' ';
while (*pchSrc == ' ')
pchSrc++;
}
break;
default:
*pchDest++ = *pchSrc++;
break;
}
}
*pchDest=0;
return pchText;
}
static char *FormatRexxTitle(char *pchText)
{
char *pchSrc = pchText;
char *pchDest = pchText;
#if 0
while (*pchSrc && *pchSrc != '%')
pchSrc++;
if (*pchSrc)
{
pchSrc++;
if (*pchSrc)
{
pchSrc++;
while(*pchSrc && *pchSrc != '%')
*pchDest++ = *pchSrc++;
*pchDest = 0;
}
}
#else
while(*pchSrc)
{
if (*pchSrc == '%')
{
pchSrc++;
pchSrc++;
}
else
*pchDest++ = *pchSrc++;
}
*pchDest = 0;
#endif
return pchText;
}
#if 0
/*---------------------------------------------------------------------------*/
/* Funktionsname: PszToRxstring */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Beschreibung: Wandelt einen C-String in einen Rexx-String um */
/* */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Parameter: pRxString: Zeiger auf den Rexx-String */
/* pchString: Zeiger auf den C-String */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/* Rckgabewerte: Zeiger auf den erzeugten Rexx-String */
/* NULL bei Fehler */
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/