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Re^3: open(): Is there a simple way to map between numeric open modes and "symbol modes"?

by BrowserUk (Pope)
on Feb 08, 2013 at 03:14 UTC ( #1017750=note: print w/ replies, xml ) Need Help??


in reply to Re^2: open(): Is there a simple way to map between numeric open modes and "symbol modes"?
in thread open(): Is there a simple way to map between numeric open modes and "symbol modes"? (solved)

As I remember, I "discovered" them by writing a small C program that open files in each of the modes and then queried the numeric value using this code (from Fmode.xs):

int xs_fmode( FILE *stream ) { return stream->_flag; }

And I discovered that incantation by finding the struct FILE definition in the C header files.

NOTE: This was done using MSVC header files; YMMV on other platforms.


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