#include <stdio.h>
#ifndef REGTEST
+#include <_PDCLIB_io.h>
-void clearerr( struct _PDCLIB_file_t * stream )
+void _PDCLIB_clearerr_unlocked( FILE * stream )
{
stream->status &= ~( _PDCLIB_ERRORFLAG | _PDCLIB_EOFFLAG );
}
+void clearerr( FILE * stream )
+{
+ _PDCLIB_flockfile( stream );
+ _PDCLIB_clearerr_unlocked( stream );
+ _PDCLIB_funlockfile( stream );
+}
+
#endif
#ifdef TEST
int main( void )
{
-#ifndef REGTEST
- FILE file = { 0, { 0, 0 }, NULL, 0, 0, 0, _IONBF, NULL, NULL };
- FILE * fh = &file;
+ FILE * fh;
+ TESTCASE( ( fh = tmpfile() ) != NULL );
+ /* Flags should be clear */
TESTCASE( ! ferror( fh ) );
TESTCASE( ! feof( fh ) );
- fh->status |= _PDCLIB_ERRORFLAG;
+ /* Reading from input stream - should provoke error */
+ /* FIXME: Apparently glibc disagrees on this assumption. How to provoke error on glibc? */
+ TESTCASE( fgetc( fh ) == EOF );
TESTCASE( ferror( fh ) );
TESTCASE( ! feof( fh ) );
+ /* clearerr() should clear flags */
clearerr( fh );
TESTCASE( ! ferror( fh ) );
TESTCASE( ! feof( fh ) );
- fh->status |= _PDCLIB_EOFFLAG;
+ /* Reading from empty stream - should provoke EOF */
+ rewind( fh );
+ TESTCASE( fgetc( fh ) == EOF );
TESTCASE( ! ferror( fh ) );
TESTCASE( feof( fh ) );
+ /* clearerr() should clear flags */
clearerr( fh );
TESTCASE( ! ferror( fh ) );
TESTCASE( ! feof( fh ) );
- fh->status |= _PDCLIB_EOFFLAG | _PDCLIB_ERRORFLAG;
- TESTCASE( ferror( fh ) );
- TESTCASE( feof( fh ) );
- clearerr( fh );
- TESTCASE( ! ferror( fh ) );
- TESTCASE( ! feof( fh ) );
-#else
- /* TODO: The above is ad-hoc and PDCLib specific. A better test driver
- should be internals-agnostic (provoking the error / eof flag by
- "regular" operations).
- */
- TESTCASE( NO_TESTDRIVER );
-#endif
+ TESTCASE( fclose( fh ) == 0 );
return TEST_RESULTS;
}
#endif
+