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127 lines
4.9 KiB
C
127 lines
4.9 KiB
C
/************************************************************
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Created: Thursday, September 7, 1989 at 9:13 PM
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ErrMgr.h
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C Interface to the Macintosh Libraries
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<<< Error File Manager Routines Interface File >>>
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Copyright Apple Computer, Inc. 1987-1990
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All rights reserved
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This file contains:
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InitErrMgr(toolname, sysename, Nbrs) - ErrMgr initialization
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CloseErrMgr() - Close ErrMgr message files
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GetSysErrText(Nbr, Msg) - Get a system error message for a number
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GetToolErrText(Nbr, Insert, Msg) - Get a tool error message for a number
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AddErrInsert(insert, msgString) - Add an insert to a message
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addInserts(msgString, insert,...) - Add a number of inserts to a message
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************************************************************/
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#ifndef __ERRMGR__
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#define __ERRMGR__
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#ifndef __TYPES__
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#include <Types.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void InitErrMgr(char *toolErrFilename,char *sysErrFilename,Boolean showToolErrNbrs);
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/*
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ErrMgr initialization.This must be done before using any other ErrMgr
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routine. Set showToolErrNbrs to true if you want all tool messages to contain
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the error number following the message text enclosed in parentheses (e.g.,
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"<msg txt> ([OS] Error <n>)"; system error messages always contain the error
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number). The toolErrFileName parameter is used to specify the name of a
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tool-specific error file, and should be the NULL or a null string if not used
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(or if the tool's data fork is to be used as the error file, see
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GetToolErrText for futher details). The sysErrFileName parameter is used to
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specify the name of a system error file, and should normally be the NULL or a
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null string, which causes the ErrMgr to look in the MPW Shell directory for
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"SysErrs.Err" (see GetSysErrText).
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If InitErrMgr is NOT called prior to calling GetSysErrText or GetToolErrText,
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then those routines, the first time they are called, will call InitErrMgr as
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InitErrMgr(NULL, NULL, true).
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The following global may be set to true to allow a C caller to process all
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strings as Pascal strings:*/
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extern Boolean pascalStrings; /* set to true for Pascal strings*//*
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This should be set PRIOR to calling InitErrMgr. Once set, ALL strings, both
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those passed to the ErrMgr as filenames and error message inserts, as well as
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the messages returned by the ErrMgr will be Pascal strings. There is NO
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guarantee a '\0' byte is at the end of the string. Results are unpredictable
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if pascalStringsis set false after it has been set true!
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*/
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extern void CloseErrMgr(void);
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/*
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Ideally a CloseErrMgr should be done at the end of execution to make sure all
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files opened by the ErrMgr are closed. You can let normal program termination
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do the closing. But if you are a purist...
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*/
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extern char *GetSysErrText(short msgNbr,char *errMsg);
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/*
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Get the error message text corresponding to system error number errNbr from
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the system error message file (whose name was specified in the InitErrMgr
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call). The text of the message is returned in errMsg and the function returns
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a pointer to errMsg. The maximum length of the message is limited to 254
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characters.
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Note, if a system message filename was not specified to InitErrMgr, then the
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ErrMgr assumes the message file contained in the file "SysErrs.Err". This
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file is first accessed as "{ShellDirectory}SysErrs.Err" on the assumption that
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SysErrs.Err is kept in the same directory as the MPW Shell. If the file
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cannot be opened, then an open is attempted on "SysErrs.Err" in the System
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Folder.
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*/
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extern char *GetToolErrText(short msgNbr,char *errInsert,char *errMsg);
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/*
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Get the error message text corresponding to tool error number errNbr from
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the tool error message file (whose name was specified in the InitErrMgr
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call). The text of the message is returned in errMsg and the function returns
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a pointer to errMsg. The maximum length of the message is limited to 254
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characters. If the message is to have an insert, then ErrInsert should be a
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pointer to it. Otherwise it should be either be a null string or a NULL
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pointer.
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Inserts are indicated in error messages by specifying a '^' to indicate where
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the insert is to be placed.
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Note, if a tool message filename was not specified to InitErrMgr, then the
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ErrMgr assumes the message file contained in the data fork of the tool calling
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the ErrMgr. This name is contained in the Shell variable {Command} and the
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value of that variable is used to open the error message file.
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*/
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extern void AddErrInsert(unsigned char *insert,unsigned char *msgString);
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/*
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Add another insert to an error message string.This call is used when more
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than one insert is to be added to a message (because it contains more than
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one '^' character).
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*/
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extern unsigned char *addInserts(unsigned char *msgString,unsigned char *insert,
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... );
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/*
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Add a set of inserts to an error message string. AddErrInsert is called for
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each insert parameter specified.
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif
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