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Diffstat (limited to '')
-rw-r--r-- | c/src/exec/libcsupport/src/dup2.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/c/src/exec/libcsupport/src/dup2.c b/c/src/exec/libcsupport/src/dup2.c deleted file mode 100644 index af4ed99fb5..0000000000 --- a/c/src/exec/libcsupport/src/dup2.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * dup2() - POSIX 1003.1b 6.2.1 Duplicate an Open File Descriptor - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#if HAVE_CONFIG_H -#include "config.h" -#endif - -#include <unistd.h> -#include <fcntl.h> - -#include <rtems/libio_.h> - -int dup2( - int fildes, - int fildes2 -) -{ - int status; - struct stat buf; - - /* - * If fildes is not valid, then fildes2 should not be closed. - */ - - status = fstat( fildes, &buf ); - if ( status == -1 ) - return -1; - - /* - * If fildes2 is not valid, then we should not do anything either. - */ - - status = fstat( fildes2, &buf ); - if ( status == -1 ) - return -1; - - /* - * This fcntl handles everything else. - */ - - return fcntl( fildes, F_DUPFD, fildes2 ); -} |