preprocessor directive __FILE__, how can I find its length

[MikeW]

I am not sure whether to ask this question of CCS support, hopefully Darren will respond

I am trying to embed the file name into the ROM, and also have the ability to strip specific characters during run time.

its easy to print out in the form :-
printf("Software was compiled on ");
printf(__TIME__ " ");
printf(__DATE__ "\n\r ");
printf(__FILE__ "\n\r ");

and that works fine.

I want to get to each individual character, so I can send just certain characters.

for example, I know that the __TIME__, and __DATE are in a fixed format, so by doing this :-


const byte DATE[]= {__DATE__};
const byte TIME[]= {__TIME__};
const byte FILE[]= {__FILE__};

then

the date is stored in ROM as 30 34 2D 4E 6F 76 2D 30 35 (04-Nov-05)

so extracting it by the following is easy.

i=DATE[0]; // 30 ascii 0
i=DATE[1]; // 34 ascii 4
i=DATE[2]; // 2D ascii -
i=DATE[3]; // 4E ascii N
i=DATE[4]; // 6F ascii o
i=DATE[5]; // 76 ascii v
i=DATE[6]; // 2D ascii -
i=DATE[7]; // 30 ascii 0
i=DATE[8]; // 35 ascii 5


and the same for the TIME.

The problem comes with the __FILE__

This of course is not a fixed length

Is there anyway to get the length of the __FILE string , so that I can do a

i=DATE[n]; // last character in the string.

I really dont want to have to predefine a string buffer of say 100 characters, then transfer it, and work on it as a string in RAM

It would also be useful if the __DATE__ had the option of outputting the month number, rather than the three character letters, so that

APR would become 04


Mike

[newguy]

This may help (hope it does).

http://www.ccsinfo.com/forum/viewtopic.php?t=24422&highlight=file+path