file_hlock.c

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/* low-level lock and unlock functions */

#include "../fb.h"
#include <io.h>

int fb_hFileLock( FILE *f, fb_off_t inipos, fb_off_t size )
{
        return fb_ErrorSetNum( _dos_lock( fileno(f), inipos, size ) == 0 ?
                               FB_RTERROR_OK : FB_RTERROR_FILEIO );
}

int fb_hFileUnlock( FILE *f, fb_off_t inipos, fb_off_t size )
{
        return fb_ErrorSetNum( _dos_unlock( fileno(f), inipos, size) == 0 ?
                               FB_RTERROR_OK : FB_RTERROR_FILEIO );
}