/* $Id$ */
-/* Release $Name$ */
-
/* fopen( const char *, const char * )
This file is part of the Public Domain C Library (PDCLib).
#ifndef REGTEST
#include <_PDCLIB_glue.h>
+#include <string.h>
+#include <errno.h>
-static const FILE * _PDCLIB_filelist = NULL;
+extern struct _PDCLIB_file_t * _PDCLIB_filelist;
-static int filemode( char const * const mode )
+FILE * fopen( const char * _PDCLIB_restrict filename,
+ const char * _PDCLIB_restrict mode )
{
- int rc = 0;
- switch ( mode[0] )
- {
- case 'r':
- rc |= _PDCLIB_FREAD;
- break;
- case 'w':
- rc |= _PDCLIB_FWRITE;
- break;
- case 'a':
- rc |= _PDCLIB_FAPPEND;
- break;
- default:
- return -1;
- }
- for ( size_t i = 1; i < 4; ++i )
- {
- switch ( mode[1] )
- {
- case '+':
- if ( rc & _PDCLIB_FRW ) return -1;
- rc |= _PDCLIB_FRW;
- break;
- case 'b':
- if ( rc & _PDCLIB_FBIN ) return -1;
- rc |= _PDCLIB_FBIN;
- break;
- case '\0':
- return rc;
- default:
- return -1;
- }
- }
- return -1;
-}
+ int imode = _PDCLIB_filemode( mode );
+
+ if( imode == 0 || filename == NULL )
+ return NULL;
-FILE * fopen( const char * _PDCLIB_restrict filename, const char * _PDCLIB_restrict mode )
-{
- FILE * rc;
- if ( mode == NULL || filename == NULL || filename[0] == '\0' )
- {
+ _PDCLIB_fd_t fd;
+ const _PDCLIB_fileops_t * ops;
+ if(!_PDCLIB_open( &fd, &ops, filename, imode )) {
return NULL;
}
- if ( ( rc = calloc( 1, sizeof( FILE ) ) ) == NULL ) return rc; /* no space for another FILE */
- if ( ( rc->status = filemode( mode ) ) == -1 ) goto fail; /* invalid mode given */
- if ( ( rc->handle = _PDCLIB_open( filename, rc->status ) ) == -1 ) goto fail; /* OS "open" failed */
- rc->next = _PDCLIB_filelist;
- _PDCLIB_filelist = rc;
- /* TODO: Continue here: Set up PDCLib FILE contents */
- return rc;
-fail:
- free( rc );
- return NULL;
+
+ FILE * f = _PDCLIB_fvopen( fd, ops, imode, filename );
+ if(!f) {
+ int saveErrno = errno;
+ ops->close(fd);
+ errno = saveErrno;
+ }
+ return f;
}
#endif
int main( void )
{
- TESTCASE( NO_TESTDRIVER );
+ /* Some of the tests are not executed for regression tests, as the libc on
+ my system is at once less forgiving (segfaults on mode NULL) and more
+ forgiving (accepts undefined modes).
+ */
+ FILE * fh;
+ remove( testfile );
+ TESTCASE_NOREG( fopen( NULL, NULL ) == NULL );
+ TESTCASE( fopen( NULL, "w" ) == NULL );
+ TESTCASE_NOREG( fopen( "", NULL ) == NULL );
+ TESTCASE( fopen( "", "w" ) == NULL );
+ TESTCASE( fopen( "foo", "" ) == NULL );
+ TESTCASE_NOREG( fopen( testfile, "wq" ) == NULL ); /* Undefined mode */
+ TESTCASE_NOREG( fopen( testfile, "wr" ) == NULL ); /* Undefined mode */
+ TESTCASE( ( fh = fopen( testfile, "w" ) ) != NULL );
+ TESTCASE( fclose( fh ) == 0 );
+ TESTCASE( remove( testfile ) == 0 );
return TEST_RESULTS;
}