Use the following Macros
__FILE__ Source file name (string constant) format "patx.c"
__LINE__ Current source line number (integer)
__DATE__ Date compiled (string constant)format "Dec 14 1985"
__TIME__ Time compiled (string constant) format "15:24:26"
__TIMESTAMP__ Compile date/time (string constant)format "Tue Nov 19 11:39:12 1997"
Usage example
static char stamp[] = "***\nmodule " __FILE__ "\ncompiled " __TIMESTAMP__ "\n***";
...
int main()
{
...
if ( (fp = fopen(fl,"r")) == NULL )
{
printf( "open failed, line %d\n%s\n",__LINE__, stamp );
exit( 4 );
}
...
}
And the output is something like
*** open failed, line 67
******
module myfile.c
compiled Mon Jan 15 11:15:56 1999
***
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6 comments:
Additionally, there is __FUNCTION__ for function name.
Yes! Finally someone writes about compiled.
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I find this example of using macros to include compile-time information very helpful.
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