> > >`STREAM_FILE' is a macro! In other words, it must *never* appear as > >an undefined symbol in the DLL. Doing `git grep STREAM_FILE', I get > > ... > > builds/unix/ftsystem.c: /* We use the macro STREAM_FILE for > convenience to extract the */ > > builds/unix/ftsystem.c:#define STREAM_FILE( stream ) ( > (FILE*)stream->descriptor.pointer ) > > ... > > src/base/ftsystem.c: /* We use the macro STREAM_FILE for convenience > to extract the */ > > src/base/ftsystem.c:#define STREAM_FILE( stream ) ( > (FT_FILE*)stream->descriptor.pointer ) > > src/base/ftsystem.c: ft_fclose( STREAM_FILE( stream ) ); > > src/base/ftsystem.c: file = STREAM_FILE( stream ); > > >As can be seen, `STREAM_FILE' is only locally defined in > >`builds/unix/ftsystem.c' and `src/base/ftsystem.c'. If you want to > >have such an abbreviation in a different source file, you have to > >#define it. > > >What are you trying to do? >
Actually I want to extract the file pointer from the input stream. For this I initially used (FILE*)stream->descriptor.pointer to get the pointer but it did not allocate the pointer and gave a segmentation fault with fseek. Later I figured about this macro STREAM_FILE to do the work but it showed undefined symbol in the o/p. Now I thought that there might be a problem with the (FILE*)stream->descriptor.pointer i.e. it might not be allocated the pointer in the first place. I then did an explicit fopen on the filename later and my code ran properly. Now the problem is that I cannot extract file pointer from the stream. Also, if STREAM_FILE is already defined to be used to ease the process, then why is it showing undefined symbol? Thank you -- Parth
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