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131 lines
5.0 KiB
131 lines
5.0 KiB
/*++ Copyright (c) 1996-1997 Microsoft Corporation --*/
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/*++
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MACROS.H
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useful macros I didn't want to declare in every file.
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first incarnation in EXTENDED: DAVIDCHR 11/4/1996
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next incarnation in k5 compat: DAVIDCHR 1/8/1997
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modified to be more portable: DAVIDCHR 4/8/1997
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--*/
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/* Note that all of these macros use "HopefullyUnusedVariableName"
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for a local variable to prevent the unintentional "capture" of
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a passed parameter by the same name. Hopefully, we'll never use
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a variable by that name. If so, the variable can be made even
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more longer and less convenient to use. :-) */
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#define EQUALS TRUE
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#define NOT_EQUALS FALSE
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/* BREAK_AND_LOG_IF is for use with actual test results. When you
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absolutely must have the results logged... */
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#define BREAK_AND_LOG_IF( variable, loglevel, data, message, label ) { \
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BOOL HopefullyUnusedVariableName; \
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unsigned long HopefullyUnusedVariableName_SaveData; \
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\
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HopefullyUnusedVariableName = (variable); \
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HopefullyUnusedVariableName_SaveData = data; \
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\
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if (HopefullyUnusedVariableName) { \
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if ( HopefullyUnusedVariableName_SaveData == 0 ) { \
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HopefullyUnusedVariableName_SaveData = \
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HopefullyUnusedVariableName; \
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} \
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LOGMSG( loglevel, HopefullyUnusedVariableName_SaveData, message );\
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goto label; \
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}}
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#define BREAK_EXPR( variable, operator, test, message, label ) BREAK_HOOK_EXPR( variable, operator, test, "%hs", message, label)
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#ifdef USE_NTLOG /* the other macros MAY or MAY NOT use the logger */
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#ifndef BREAK_LOG_LEVEL
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#define BREAK_LOG_LEVEL LOGLEVEL_INFO
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#endif
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#define BREAK_HOOK_EXPR( variable, operator, test, formatmessage, hook, label ) {\
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BOOL HopefullyUnusedVariableName;\
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unsigned long HopefullyUnusedVariableName_Save;\
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CHAR HopefullyUnusedVariableName_Buffer[1024];\
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/* unsigned long HopefullyUnusedVariableName_szBuffer = 1024; */\
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\
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HopefullyUnusedVariableName_Save = (ULONG) (variable);\
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HopefullyUnusedVariableName = (operator == EQUALS) ? \
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(HopefullyUnusedVariableName_Save == (ULONG) test) :\
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(HopefullyUnusedVariableName_Save != (ULONG) test);\
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\
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if (HopefullyUnusedVariableName) {\
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sprintf( HopefullyUnusedVariableName_Buffer, formatmessage, hook );\
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LOGMSG(BREAK_LOG_LEVEL, HopefullyUnusedVariableName_Save, HopefullyUnusedVariableName_Buffer );\
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goto label;\
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}}
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#else
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#define BREAK_HOOK_EXPR( variable, operator, test, formatmessage, hook, label ) {\
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BOOL HopefullyUnusedVariableName;\
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ULONG HopefullyUnusedVariableName_Save;\
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\
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HopefullyUnusedVariableName_Save = (ULONG) (variable);\
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HopefullyUnusedVariableName = (operator == EQUALS) ? \
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(HopefullyUnusedVariableName_Save == (ULONG) test) :\
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(HopefullyUnusedVariableName_Save != (ULONG) test);\
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\
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if (HopefullyUnusedVariableName) {\
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fprintf(stderr, "\n** 0x%x \t ", HopefullyUnusedVariableName_Save );\
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fprintf(stderr, formatmessage, hook);\
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fprintf(stderr, "\n");\
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goto label;\
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}}
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#endif
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#define BREAK_IF( variable, message, label ) BREAK_EXPR((variable), NOT_EQUALS, 0L, message, label)
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#define BREAK_EQ( variable, equals, message, label ) \
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BREAK_EXPR(variable, EQUALS, equals, message, label )
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#define WSA_BREAK( variable, invalidator, message, label ) \
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BREAK_HOOK_EXPR( variable, EQUALS, invalidator, \
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message "\n\tWSAGetLastError() returns (dec) %d.",\
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WSAGetLastError(), label )
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#define NT_BREAK_ON BREAK_IF
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/*++ MYALLOC
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used
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whom: variable to put the memory into.
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what: what kind of memory it points to.. the integral denomination of
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memory we are allocating (char for a string, int for an int *...)
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howmany: integral size of "what"s we are allocating (see below)
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withwhat: routine to use in allocation (eg malloc, LocalAlloc...).
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this routine must return NULL on failure to allocate.
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EXAMPLE: I want to allocate a string of 15 characters with malloc
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{
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PCHAR mystring;
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if (! MYALLOC( mystring, CHAR, 15, malloc )) {
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fprintf(stderr, "failed to allocate!");
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exit(0);
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}
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}
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--*/
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#define MYALLOC( whom, what, howmany, withwhat ) \
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( ( (whom) = (what *) (withwhat)( (howmany) * sizeof(what)) ) != NULL )
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/* ONEALLOC is a special case of MYALLOC, where howmany is 1 */
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#define ONEALLOC( whom, what, withwhat ) MYALLOC( whom, what, 1, withwhat)
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