[sdcc-devel] [ sdcc-Bugs-739553 ] function pointers

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Bugs item #739553, was opened at 2003-05-18 13:24
Message generated for change (Tracker Item Submitted) made by Item Submitter
You can respond by visiting: 
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Category: C-Front End
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: function pointers

Initial Comment:
Reported by Steve Maddison: 
 
#if defined (SDCC_mcs51) 
# define REENTRANT reentrant 
#else 
# define REENTRANT 
#endif 
 
struct my_struct { 
    int  (*fn_ptr)(int) REENTRANT; 
}; 
 
int my_function( int parm ) REENTRANT 
{ 
    return parm; 
} 
 
void main( void ) 
{ 
    struct my_struct test; 
 
    test.fn_ptr = my_function; 
    (*test.fn_ptr) (99); 
    test.fn_ptr (100); 
} 
 
Last line with mcs51: 
f.c:22: warning: Functions called via pointers must be 'reentrant' 
to take arguments 
 
with -mz80: 
f.c:22: error: too many parameters 

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