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87a5403318
Observation shows that this is done only when the top-level batch file is being run (and then terminates); the echo flag is not restored to its previous state when a child batch file terminates and gives main back to its parent batch.
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*
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* BATCH.H - A structure to preserve the context of a batch file
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*/
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#pragma once
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/*
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* This batch type enumeration allows us to adjust the behaviour of some commands
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* depending on whether they are run from within a .BAT or a .CMD file.
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* The behaviour is selected when the top-level batch file is loaded,
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* and it remains the same for any child batch file that may be loaded later.
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*
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* See https://ss64.com/nt/errorlevel.html for more details.
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*/
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typedef enum _BATCH_TYPE
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{
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NONE,
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BAT_TYPE, /* Old-style DOS batch file */
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CMD_TYPE /* New-style NT OS/2 batch file */
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} BATCH_TYPE;
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/* Enable this define for Windows' CMD batch-echo behaviour compatibility */
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#define MSCMD_BATCH_ECHO
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typedef struct _BATCH_CONTEXT
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{
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struct _BATCH_CONTEXT *prev;
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char *mem; /* batchfile content in memory */
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DWORD memsize; /* size of batchfile */
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DWORD mempos; /* current position to read from */
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BOOL memfree; /* true if it need to be freed when exitbatch is called */
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TCHAR BatchFilePath[MAX_PATH];
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LPTSTR params;
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LPTSTR raw_params; /* Holds the raw params given by the input */
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INT shiftlevel[10];
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#ifndef MSCMD_BATCH_ECHO
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BOOL bEcho; /* Preserve echo flag across batch calls */
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#endif
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REDIRECTION *RedirList;
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PARSED_COMMAND *current;
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struct _SETLOCAL *setlocal;
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} BATCH_CONTEXT, *PBATCH_CONTEXT;
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typedef struct _FOR_CONTEXT
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{
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struct _FOR_CONTEXT *prev;
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TCHAR firstvar;
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UINT varcount;
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LPTSTR *values;
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} FOR_CONTEXT, *PFOR_CONTEXT;
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/*
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* The stack of current batch contexts.
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* NULL when no batch is active.
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*/
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extern BATCH_TYPE BatType;
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extern PBATCH_CONTEXT bc;
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extern PFOR_CONTEXT fc;
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#ifdef MSCMD_BATCH_ECHO
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extern BOOL bBcEcho;
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#endif
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extern BOOL bEcho; /* The echo flag */
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#define BATCH_BUFFSIZE 8192
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extern TCHAR textline[BATCH_BUFFSIZE]; /* Buffer for reading Batch file lines */
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BOOL
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FindArg(
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IN TCHAR Char,
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OUT PCTSTR* ArgPtr,
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OUT BOOL* IsParam0);
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VOID ExitBatch(VOID);
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VOID ExitAllBatches(VOID);
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INT Batch(LPTSTR, LPTSTR, LPTSTR, PARSED_COMMAND *);
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BOOL BatchGetString(LPTSTR lpBuffer, INT nBufferLength);
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LPTSTR ReadBatchLine(VOID);
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VOID AddBatchRedirection(REDIRECTION **);
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