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Netdude Manual
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nd_macros

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nd_macros -- 

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#define     return_if_no_current_trace      (tr)
#define     return_val_if_no_current_trace  (tr, val)
#define     TOUCH                           (x)

Description

Details

return_if_no_current_trace()

#define     return_if_no_current_trace(tr)

The macro checks whether there is currently a trace being edited. If that is the case, this trace is stored in tr, otherwise the macro returns from the current function.

tr : variable in which current trace is stored.

return_val_if_no_current_trace()

#define     return_val_if_no_current_trace(tr, val)

This is the same macro as return_if_no_current_trace(), but it returns val is there is no current trace.

tr : variable in which current trace is stored.
val : return value when there is no current trace.

TOUCH()

#define TOUCH(x)  { x = 0; }

The macro's purpose is to touch a variable and thus shut up compiler warnings when there are unused parameters in the code.

x : unused variable to be silenced.

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