741 lines
17 KiB
C
741 lines
17 KiB
C
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/*** error.c - error handling functions
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*
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* Copyright <C> 1989, Microsoft Corporation
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*
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* Purpose:
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* This module contains all error message functions and variuos
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* functions that check if errror condition has occured.
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*
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* This Module contains Proprietary Information of Microsoft
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* Corporation and should be treated as Confidential.
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*
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* Revision History:
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*
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* [WJK] 28-Jun-1990 Created
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*
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*************************************************************************/
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#include <minlit.h> /* Types, constants */
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#include <bndtrn.h> /* More types and constants */
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#include <bndrel.h> /* Types and constants */
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#include <lnkio.h> /* Linker I/O definitions */
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#include <lnkmsg.h> /* Error messages */
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#include <nmsg.h> /* Near message strings */
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#include <extern.h> /* External declarations */
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#include <string.h>
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#if (defined(WIN_NT) OR defined(DOSX32)) AND (NOT defined( _WIN32 ))
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#define i386
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#endif
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#include <stdarg.h>
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#if EXE386
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#include <exe386.h>
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#endif
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#if WIN_3
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#include <windows.h>
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#endif
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#if NEWIO
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#include <errno.h> /* System error codes */
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#endif
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#define DEBUG_WIN FALSE
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#if DEBUG_WIN
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char szDebugBuffer[80];
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#define DEBUGW(parm1,parm2)\
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{\
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wsprintf(szDebugBuffer,parm1,(char far*)parm2);\
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OutputDebugString(szDebugBuffer);\
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}
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#else
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#define DEBUGW(parm1,parm2)
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#endif
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#if OSEGEXE AND NOT QCLINK
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extern int yylineno; /* Current line in definitions file */
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#else
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#define yylineno -1
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#endif
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#if AUTOVM
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extern BYTE FAR * NEAR FetchSym1(RBTYPE rb, WORD Dirty);
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#define FETCHSYM FetchSym1
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#else
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#define FETCHSYM FetchSym
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#endif
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LOCAL char chErr = 'L'; /* Error message prefix */
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/*
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* LOCAL FUNCTION PROTOTYPES
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*/
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LOCAL void cdecl NEAR ErrSub(MSGTYPE msg, WORD fWarn, va_list pArgList);
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LOCAL void vFmtPrint(char *fmt, va_list pArgList);
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/*** ChkInput - check input file for I/O errors
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*
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* Purpose:
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* Check if there were any I/O errors on input file.
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*
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* Input:
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* No explicit value is passed. The global input file bsInput is
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* used.
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*
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* Output:
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* If everything is OK function returns, otherwise it calls Fatal
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* with appropriate error message.
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*
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* Exceptions:
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* None.
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*
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* Notes:
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* None.
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*
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*************************************************************************/
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void ChkInput(void)
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{
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if (feof(bsInput))
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Fatal(ER_eofobj);
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else if (ferror(bsInput))
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Fatal(ER_ioerr, strerror(errno));
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}
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// Comment : GetMsg and __NMSG_TEXT are generated by MKMSG [jp]
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/*** ErrPrefix - write error message prefix
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*
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* Purpose:
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* Write out error message prefix. If we are parsinf .DEF file or reading
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* .OBJ files then the error message prefix takes form "<filename> : "
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* otherwise this is "LINK : ".
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*
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* Input:
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* No explicit value is passed.
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*
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* Output:
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* No explicit value is returned.
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*
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* Exceptions:
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* None.
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*
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* Notes:
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* None.
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*
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*************************************************************************/
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void ErrPrefix(void)
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{
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DisplayBanner();
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if (fDrivePass || yylineno > 0)
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OutFileCur(bsErr);
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else
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FmtPrint(lnknam);
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FmtPrint(" : ");
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}
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#pragma check_stack(on)
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/*** OutFileCur - write out current input file name
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*
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* Purpose:
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* Write out current input file name. Used by error message functions.
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* File name is written in the following formats:
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* <filename>(nnn)
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* <filename>(<modulename>)
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* <filename>
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*
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* Input:
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* bs - file to which current input file name is written
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*
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* Output:
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* No explicit value is returned.
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*
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* Exceptions:
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* None.
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*
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* Notes:
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* None.
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*
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*************************************************************************/
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void OutFileCur(BSTYPE bs)
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{
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APROPFILEPTR apropFile; /* Pointer to file property cell */
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AHTEPTR ahte; /* Pointer symbol name */
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BSTYPE bsTmp; /* Temporary file pointer */
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SBTYPE fileName; /* File name buffer */
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SBTYPE moduleName; /* Object module name */
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int n; /* String length counter */
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#if OSEGEXE
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if (yylineno > 0)
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{
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apropFile = (APROPFILEPTR) FETCHSYM(rhteDeffile,FALSE);
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ahte = GetHte(rhteDeffile);
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}
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else
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#endif
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{
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apropFile = (APROPFILEPTR ) FETCHSYM(vrpropFile,FALSE);
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ahte = GetHte(vrpropFile);
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}
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bsTmp = bsErr;
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bsErr = bs;
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// Copy file name
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n = (ahte->cch[0] < sizeof(fileName) - 1) ? ahte->cch[0] : sizeof(fileName) - 1;
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FMEMCPY((char FAR *) fileName, &ahte->cch[1], n);
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fileName[n] = '\0';
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if (yylineno > 0)
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FmtPrint("%s(%d)", fileName, yylineno);
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else if (apropFile->af_rMod)
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{
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// Get object module name
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ahte = (AHTEPTR ) FETCHSYM(apropFile->af_rMod,FALSE);
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while(ahte->attr != ATTRNIL)
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ahte = (AHTEPTR ) FETCHSYM(ahte->rhteNext,FALSE);
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n = (ahte->cch[0] < sizeof(moduleName) - 1) ? ahte->cch[0] : sizeof(moduleName) - 1;
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FMEMCPY((char FAR *) moduleName, &ahte->cch[1], n);
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moduleName[n] = '\0';
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FmtPrint("%s(%s)", fileName, moduleName);
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}
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else
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FmtPrint("%s", fileName);
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bsErr = bsTmp;
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}
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#pragma check_stack(off)
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#if (QCLINK OR OSEGEXE) AND NOT EXE386
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typedef int (cdecl FAR * FARFPTYPE)(char FAR *buf);
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/* Far function pointer type */
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extern FARFPTYPE FAR *pfQTab; /* Table of addresses */
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#endif
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/*** vFmtPrint - print formated message
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*
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* Purpose:
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* Print on bsErr formated error or warning message.
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* Check for any I/O errors.
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*
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* Input:
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* fmt - error message format string
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* pArgList - pointer to variable number of parameters desrcibing error message
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* bsErr - error file - global variable
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* bsLst - listing file - global variable
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*
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* Output:
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* No explicit value is returned.
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*
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* Exceptions:
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* I/O errors. If error detected and stdout is an error file then silently
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* exit to system with return code 4 (something must be terribly wrong
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* if stdout is not working). If we are writing to listing file and
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* error was detected then close listing file and notify user.
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*
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* Notes:
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* This function handles output to QC enviroment.
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*
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*************************************************************************/
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LOCAL void vFmtPrint(char *fmt, va_list pArgList)
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{
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#if WIN_3
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char buf[512];
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vsprintf(buf, fmt, pArgList);
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ErrMsgWin(buf);
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#if DEBUG_WIN2
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OutputDebugString((char far*)"\r\nDebS: ");
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OutputDebugString((char far*)buf);
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#endif
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#else
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#if (QCLINK) AND NOT EXE386
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SBTYPE buf;
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if (fZ1)
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{
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// Output via QC call-back
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vsprintf(buf, fmt, pArgList);
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(*pfQTab[0])((char far *) buf);
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}
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else
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#endif
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{
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vfprintf(bsErr, fmt, pArgList);
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if (ferror(bsErr))
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{
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if (bsErr == stdout)
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{
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#if USE_REAL
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RealMemExit();
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#endif
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exit(4);
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}
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else if (bsErr == bsLst)
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{
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fclose(bsLst);
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fLstFileOpen = FALSE;
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bsErr = stdout;
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}
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ExitCode = 4;
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Fatal(ER_spclst);
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}
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fflush(bsErr);
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}
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#endif // WIN_3
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}
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/*** FmtPrint - print formated message
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*
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* Purpose:
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* Print on bsErr formated error or warning message.
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* Check for any I/O errors.
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*
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* Input:
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* fmt - error message format string
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* ... - variable number of parameters desrcibing error message
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*
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* Output:
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* No explicit value is returned.
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*
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* Exceptions:
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* I/O errors.
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*
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* Notes:
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* The actual job is done by the vFmtPrint.
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*
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*************************************************************************/
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void cdecl FmtPrint(char *fmt, ...)
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{
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va_list pArgList;
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va_start(pArgList, fmt);
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vFmtPrint(fmt, pArgList);
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}
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#if OSMSDOS AND NOT WIN_3
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/*
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* PromptStd : Standard prompt routine
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*
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* Display a warning message and prompt, with optional arguments.
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* Optionally read a response into a given buffer. If the given
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* buffer is null, get a yes/no response with <ENTER> being yes.
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*
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* Returns:
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* TRUE if yes or response read.
|
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|
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* FALSE if no.
|
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*/
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int cdecl PromptStd (sbNew,msg,msgparm,pmt,pmtparm)
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BYTE *sbNew; /* Buffer for response */
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MSGTYPE msg; /* Error message */
|
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int msgparm; /* Message parameter */
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MSGTYPE pmt; /* Prompt */
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int pmtparm; /* Prompt parameter */
|
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{
|
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register BYTE *p;
|
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|
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int ch;
|
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|
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int n;
|
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|
|
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|
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if(msg)
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OutWarn(msg, msgparm);
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|
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if(!pmt)
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return(TRUE);
|
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fprintf(stderr,GetMsg(pmt),pmtparm);
|
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fflush(stderr); /* Flush stderr */
|
||
|
|
#if CPU286
|
||
|
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flskbd(); /* Flush DOS keyboard buffer */
|
||
|
|
#endif
|
||
|
|
fflush(stdin); /* Flush console input */
|
||
|
|
if(sbNew != NULL)
|
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|
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{
|
||
|
|
/* Read response */
|
||
|
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for(p = &sbNew[1], n = 0;
|
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(ch = fgetc(stdin)) != '\n' && ch != EOF && n < sizeof(SBTYPE); )
|
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|
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{
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||
|
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#if CRLF
|
||
|
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if(ch == '\r')
|
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continue;
|
||
|
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#endif
|
||
|
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*p++ = (BYTE) ch;
|
||
|
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n++;
|
||
|
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}
|
||
|
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sbNew[0] = (BYTE) n;
|
||
|
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return(TRUE);
|
||
|
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}
|
||
|
|
#if CRLF
|
||
|
|
if(fgetc(stdin) != '\r')
|
||
|
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return(FALSE);
|
||
|
|
#endif
|
||
|
|
if(fgetc(stdin) != '\n')
|
||
|
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return(FALSE);
|
||
|
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return(TRUE);
|
||
|
|
}
|
||
|
|
#endif /* OSMSDOS */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CputcStd : standard console character output routine.
|
||
|
|
* Call fputc to stdout. Will be called through pfCputc.
|
||
|
|
*/
|
||
|
|
void CputcStd (ch)
|
||
|
|
int ch;
|
||
|
|
{
|
||
|
|
putc(ch,stdout);
|
||
|
|
if (ferror(stdout))
|
||
|
|
exit(4);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CputsStd : standard console string output routine
|
||
|
|
* Call fputs to stdout. Will be called through pfCputs.
|
||
|
|
*/
|
||
|
|
void CputsStd (str)
|
||
|
|
char *str;
|
||
|
|
{
|
||
|
|
fputs(str,stdout);
|
||
|
|
if (ferror(stdout))
|
||
|
|
{
|
||
|
|
#if USE_REAL
|
||
|
|
RealMemExit();
|
||
|
|
#endif
|
||
|
|
exit(4);
|
||
|
|
}
|
||
|
|
fflush(stdout);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*** ErrSub - write out nonfatal error message
|
||
|
|
*
|
||
|
|
* Purpose:
|
||
|
|
* Fromat and write out nonfatal error message. If error message number
|
||
|
|
* is equal to zero then we treat it as a prompt.
|
||
|
|
*
|
||
|
|
* Input:
|
||
|
|
* msg - error message number
|
||
|
|
* fWarn - TRUE if this warnnig
|
||
|
|
* ... - variable number of parameters for message
|
||
|
|
* bsErr - error file - global variable
|
||
|
|
* bsLst - listing file - global variable
|
||
|
|
*
|
||
|
|
* Output:
|
||
|
|
* No explicit value is returned.
|
||
|
|
*
|
||
|
|
* Exceptions:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
* Notes:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
LOCAL void cdecl NEAR ErrSub(MSGTYPE msg, WORD fWarn, va_list pArgList)
|
||
|
|
{
|
||
|
|
|
||
|
|
if (fLstFileOpen && bsErr == bsLst && vgsnLineNosPrev)
|
||
|
|
{ /* If we've listed line numbers */
|
||
|
|
NEWLINE(bsErr); /* Newline */
|
||
|
|
vgsnLineNosPrev = 0; /* Reset */
|
||
|
|
}
|
||
|
|
if (msg)
|
||
|
|
{
|
||
|
|
/* If there is any message to print */
|
||
|
|
#if WIN_3
|
||
|
|
if(fWarn)
|
||
|
|
fSeverity=SEV_WARNING;
|
||
|
|
else
|
||
|
|
fSeverity=SEV_ERROR;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#if MSGMOD AND NOT WIN_3
|
||
|
|
if (msg >= 1000)
|
||
|
|
{
|
||
|
|
#endif
|
||
|
|
/* Error or warning */
|
||
|
|
|
||
|
|
ErrPrefix();
|
||
|
|
#if MSGMOD
|
||
|
|
FmtPrint("%s %c%04d: ",
|
||
|
|
fWarn ? __NMSG_TEXT(N_warning) : __NMSG_TEXT(N_error),
|
||
|
|
(int) chErr, msg);
|
||
|
|
#else
|
||
|
|
FmtPrint("%s: ",fWarn ? "warning" : "error");
|
||
|
|
#endif
|
||
|
|
vFmtPrint(GetMsg(msg), pArgList);
|
||
|
|
#if NOT WIN_3
|
||
|
|
#if QCLINK
|
||
|
|
if (fZ1)
|
||
|
|
FmtPrint("\n");
|
||
|
|
else
|
||
|
|
#endif
|
||
|
|
NEWLINE(bsErr);
|
||
|
|
#else
|
||
|
|
FmtPrint("\r\n");
|
||
|
|
// for the second part of the message
|
||
|
|
fSeverity = SEV_WARNING;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (fDrivePass && !fWarn
|
||
|
|
#if MSGMOD
|
||
|
|
&& (msg >= 2005 && msg < 2022) || msg == 1101
|
||
|
|
#endif
|
||
|
|
)
|
||
|
|
FmtPrint("%s: %lx %s: %02x\r\n",
|
||
|
|
__NMSG_TEXT(N_pos),ftell(bsInput),
|
||
|
|
__NMSG_TEXT(N_rectyp),rect & 0xff);
|
||
|
|
|
||
|
|
#if MSGMOD AND NOT WIN_3
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
/* Prompt */
|
||
|
|
#if QCLINK
|
||
|
|
if (fZ1)
|
||
|
|
(*pfPrompt)(NULL, msg, (int) pArgList, 0, 0);
|
||
|
|
else
|
||
|
|
{
|
||
|
|
#endif
|
||
|
|
vFmtPrint(GetMsg(msg), pArgList);
|
||
|
|
NEWLINE(bsErr);
|
||
|
|
#if QCLINK
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*** OutError - write out nonfatal error message
|
||
|
|
*
|
||
|
|
* Purpose:
|
||
|
|
* Top level function called when error message has to be displayed.
|
||
|
|
* Bumps the error counter and calls ErrSub to do the job.
|
||
|
|
*
|
||
|
|
* Input:
|
||
|
|
* msg - error message number
|
||
|
|
* ... - variable number of error parameters
|
||
|
|
*
|
||
|
|
* Output:
|
||
|
|
* No explicit value is returned. Global error counter cErrors is
|
||
|
|
* incremented.
|
||
|
|
*
|
||
|
|
* Exceptions:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
* Notes:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
void cdecl OutError(MSGTYPE msg, ...)
|
||
|
|
{
|
||
|
|
va_list pArgList;
|
||
|
|
|
||
|
|
va_start(pArgList, msg);
|
||
|
|
++cErrors; /* Increment error count */
|
||
|
|
ErrSub(msg, FALSE, pArgList);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*** OutWarn - write out warning message
|
||
|
|
*
|
||
|
|
* Purpose:
|
||
|
|
* Top level function called when warning message has to be displayed.
|
||
|
|
* Calls ErrSub to do the job.
|
||
|
|
*
|
||
|
|
* Input:
|
||
|
|
* msg - error message number
|
||
|
|
* ... - variable number of error parameters
|
||
|
|
*
|
||
|
|
* Output:
|
||
|
|
* No explicit value is returned.
|
||
|
|
* incremented.
|
||
|
|
*
|
||
|
|
* Exceptions:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
* Notes:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
void cdecl OutWarn (MSGTYPE msg, ...)
|
||
|
|
{
|
||
|
|
va_list pArgList;
|
||
|
|
DEBUGW("\r\nOutWarn entered",0);
|
||
|
|
va_start(pArgList, msg);
|
||
|
|
ErrSub(msg, TRUE, pArgList);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*** KillRunFile - delete .EXE file
|
||
|
|
*
|
||
|
|
* Purpose:
|
||
|
|
* Delete the .EXE file created by the linker.
|
||
|
|
*
|
||
|
|
* Input:
|
||
|
|
* No explicit value is passed.
|
||
|
|
* bsRunfile - output file handle - global variable.
|
||
|
|
* psbRun - output file name - global variable.
|
||
|
|
*
|
||
|
|
* Output:
|
||
|
|
* No explicit value is returned.
|
||
|
|
*
|
||
|
|
* Exceptions:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
* Notes:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
void KillRunfile(void)
|
||
|
|
{
|
||
|
|
if (bsRunfile != NULL)
|
||
|
|
{
|
||
|
|
CloseFile(bsRunfile);
|
||
|
|
_unlink(&psbRun[1]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*** Fatal - write out fatal error message
|
||
|
|
*
|
||
|
|
* Purpose:
|
||
|
|
* Format and write out fatal error message. Terminate linker.
|
||
|
|
*
|
||
|
|
* Input:
|
||
|
|
* msg - error message number
|
||
|
|
* ... - variable number of message parameters
|
||
|
|
* bsLst - listing file - global variable
|
||
|
|
*
|
||
|
|
* Output:
|
||
|
|
* No explicit value is returned. Linker terminates.
|
||
|
|
*
|
||
|
|
* Exceptions:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
* Notes:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
void cdecl Fatal (MSGTYPE msg, ...)
|
||
|
|
{
|
||
|
|
static WORD cInvoked =0;
|
||
|
|
va_list pArgList;
|
||
|
|
|
||
|
|
va_start(pArgList, msg); /* Get start of argument list */
|
||
|
|
|
||
|
|
if (++cInvoked > 1) // Fatal during Fatal
|
||
|
|
{
|
||
|
|
#if USE_REAL
|
||
|
|
RealMemExit();
|
||
|
|
#endif
|
||
|
|
if (ExitCode)
|
||
|
|
EXIT(ExitCode);
|
||
|
|
else
|
||
|
|
EXIT(2); /* Program error */
|
||
|
|
}
|
||
|
|
|
||
|
|
/* If msg is nonzero then print a message */
|
||
|
|
|
||
|
|
if (msg)
|
||
|
|
{
|
||
|
|
if (fLstFileOpen)
|
||
|
|
fflush(bsLst);
|
||
|
|
ErrPrefix();
|
||
|
|
#if MSGMOD
|
||
|
|
FmtPrint("%s %c%04d: ", __NMSG_TEXT(N_fatal), chErr, msg);
|
||
|
|
#else
|
||
|
|
FmtPrint("fatal error: ");
|
||
|
|
#endif
|
||
|
|
vFmtPrint(GetMsg(msg), pArgList);
|
||
|
|
#if WIN_3
|
||
|
|
fSeverity = SEV_ERROR; // Send as error to QCwin
|
||
|
|
FmtPrint("\r\n");
|
||
|
|
#else
|
||
|
|
NEWLINE(stderr);
|
||
|
|
#endif
|
||
|
|
if(fDrivePass && ftell(bsInput)
|
||
|
|
#if MSGMOD
|
||
|
|
&& msg >= 2005 && msg < 2022 || msg == 1101
|
||
|
|
#endif
|
||
|
|
)
|
||
|
|
FmtPrint("%s: %lx %s: %02x\r\n",
|
||
|
|
__NMSG_TEXT(N_pos),ftell(bsInput),
|
||
|
|
__NMSG_TEXT(N_rectyp),rect & 0xff);
|
||
|
|
}
|
||
|
|
KillRunfile();
|
||
|
|
if (fLstFileOpen) fclose(bsLst);
|
||
|
|
#if OWNSTDIO
|
||
|
|
FlsStdio();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// If someone else assigned the exit code, use it. Otherwise,
|
||
|
|
// assume program error.
|
||
|
|
|
||
|
|
if (ExitCode)
|
||
|
|
EXIT(ExitCode);
|
||
|
|
else
|
||
|
|
EXIT(2); /* Program error */
|
||
|
|
}
|
||
|
|
|
||
|
|
/*** CtrlC - display Ctrl-C error message and die
|
||
|
|
*
|
||
|
|
* Purpose:
|
||
|
|
* Do minimal work required to display error message and die.
|
||
|
|
*
|
||
|
|
* Input:
|
||
|
|
* No explicit value is passed.
|
||
|
|
*
|
||
|
|
* Output:
|
||
|
|
* No explicit value is returned.
|
||
|
|
*
|
||
|
|
* Exceptions:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
* Notes:
|
||
|
|
* This function doesn't return.
|
||
|
|
*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
void CtrlC(void)
|
||
|
|
{
|
||
|
|
#if USE_REAL
|
||
|
|
RealMemExit();
|
||
|
|
#endif
|
||
|
|
#ifdef OS2
|
||
|
|
if (_osmode == OS2_MODE)
|
||
|
|
fputs("\r\n", stdout);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if DOSEXTENDER AND NOT WIN_NT
|
||
|
|
if (!_fDosExt)
|
||
|
|
{
|
||
|
|
#endif
|
||
|
|
if (fLstFileOpen)
|
||
|
|
fflush(bsLst);
|
||
|
|
ErrPrefix();
|
||
|
|
FmtPrint("%s %c%04d: %s", __NMSG_TEXT(N_fatal), chErr, ER_intrpt, GetMsg(ER_intrpt));
|
||
|
|
KillRunfile();
|
||
|
|
if (fLstFileOpen)
|
||
|
|
fclose(bsLst);
|
||
|
|
#if OWNSTDIO
|
||
|
|
FlsStdio();
|
||
|
|
#endif
|
||
|
|
EXIT(4);
|
||
|
|
#if DOSEXTENDER AND NOT WIN_NT
|
||
|
|
}
|
||
|
|
else
|
||
|
|
_exit(4);
|
||
|
|
#endif
|
||
|
|
}
|