sizeof() returns an erroneous value with structure !!!

[franckcl]

Hi,

Here is a problem with PCHW v3.182 (and PIC18F6520)

here is the code :
typedef struct
{
BYTE Signature[3];
BYTE buffer[128];
}t_EE;

t_EE EE;

#define SizeSignature sizeof(EE.Signature)

==> the SizeSignature is 0x83 and not 3 !!!!!!!!!!
but if the structure size is lower than 128 bytes, there is no problem.

Is there a limitation of the size of a structure ???
Is someone have the same result ???

Thank you
Franck

[PCM programmer]

That bug was reported here, on March 18, 2003.
http://www.ccsinfo.com/forum/viewtopic.php?t=3003

Also here, on Sept. 17, 2002
http://www.ccsinfo.com/forum/viewtopic.php?t=13886

Maybe if it gets reported one more time, it will get fixed ?


Those complaints were about PCM, not PCH.
I did a test on vs. PCM vs. 3.183, to see how it's doing.
Not good. The following sample program displayed this result:

Size of Signature = 83

It should be 3.

#include "16F877.h"
#fuses HS, NOWDT, NOPROTECT, BROWNOUT, PUT, NOLVP
#use delay(clock = 8000000)
#use rs232(baud = 9600, xmit=PIN_C6, rcv=PIN_C7, ERRORS)

typedef struct
{
BYTE Signature[3];
BYTE buffer[80]; // Use a smaller buffer size, for 16F877
}t_EE;

t_EE EE;

#define SizeSignature sizeof(EE.Signature)

//============================================
main()
{
char c;

c = SizeSignature;

printf("Size of Signature = %u ", c);

while(1);
}