#include <limits.h>
#ifndef REGTEST
+#include <_PDCLIB_io.h>
-int setvbuf( struct _PDCLIB_file_t * _PDCLIB_restrict stream, char * _PDCLIB_restrict buf, int mode, size_t size )
+int setvbuf( FILE * _PDCLIB_restrict stream, char * _PDCLIB_restrict buf, int mode, size_t size )
{
+ _PDCLIB_flockfile( stream );
switch ( mode )
{
case _IONBF:
we don't want to e.g. flush the stream for every character of a
stream being printed.
*/
- /* TODO: Check this */
break;
case _IOFBF:
case _IOLBF:
/* PDCLib only supports buffers up to INT_MAX in size. A size
of zero doesn't make sense.
*/
+ _PDCLIB_funlockfile( stream );
return -1;
}
if ( buf == NULL )
if ( ( buf = (char *) malloc( size ) ) == NULL )
{
/* Out of memory error. */
+ _PDCLIB_funlockfile( stream );
return -1;
}
/* This buffer must be free()d on fclose() */
break;
default:
/* If mode is something else than _IOFBF, _IOLBF or _IONBF -> exit */
+ _PDCLIB_funlockfile( stream );
return -1;
}
/* Deleting current buffer mode */
stream->status &= ~( _IOFBF | _IOLBF | _IONBF );
/* Set user-defined mode */
stream->status |= mode;
+ _PDCLIB_funlockfile( stream );
return 0;
}
#ifdef TEST
#include <_PDCLIB_test.h>
-
#include <errno.h>
-
+#ifndef REGTEST
+#include <_PDCLIB_io.h>
+#endif
#define BUFFERSIZE 500
int main( void )
#ifndef REGTEST
char buffer[ BUFFERSIZE ];
FILE * fh;
- remove( testfile );
/* full buffered, user-supplied buffer */
- TESTCASE( ( fh = fopen( testfile, "w" ) ) != NULL );
+ TESTCASE( ( fh = tmpfile() ) != NULL );
TESTCASE( setvbuf( fh, buffer, _IOFBF, BUFFERSIZE ) == 0 );
TESTCASE( fh->buffer == buffer );
TESTCASE( fh->bufsize == BUFFERSIZE );
TESTCASE( ( fh->status & ( _IOFBF | _IONBF | _IOLBF ) ) == _IOFBF );
TESTCASE( fclose( fh ) == 0 );
- TESTCASE( remove( testfile ) == 0 );
/* line buffered, lib-supplied buffer */
- TESTCASE( ( fh = fopen( testfile, "w" ) ) != NULL );
+ TESTCASE( ( fh = tmpfile() ) != NULL );
TESTCASE( setvbuf( fh, NULL, _IOLBF, BUFFERSIZE ) == 0 );
TESTCASE( fh->buffer != NULL );
TESTCASE( fh->bufsize == BUFFERSIZE );
TESTCASE( ( fh->status & ( _IOFBF | _IONBF | _IOLBF ) ) == _IOLBF );
TESTCASE( fclose( fh ) == 0 );
- TESTCASE( remove( testfile ) == 0 );
/* not buffered, user-supplied buffer */
- TESTCASE( ( fh = fopen( testfile, "w" ) ) != NULL );
+ TESTCASE( ( fh = tmpfile() ) != NULL );
TESTCASE( setvbuf( fh, buffer, _IONBF, BUFFERSIZE ) == 0 );
TESTCASE( ( fh->status & ( _IOFBF | _IONBF | _IOLBF ) ) == _IONBF );
TESTCASE( fclose( fh ) == 0 );
- TESTCASE( remove( testfile ) == 0 );
#else
puts( " NOTEST setvbuf() test driver is PDCLib-specific." );
#endif