diff options
Diffstat (limited to 'newlib/libc/stdio/makebuf.c')
-rw-r--r-- | newlib/libc/stdio/makebuf.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/newlib/libc/stdio/makebuf.c b/newlib/libc/stdio/makebuf.c deleted file mode 100644 index a3f47e2f7..000000000 --- a/newlib/libc/stdio/makebuf.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * Copyright (c) 1990, 2007 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms are permitted - * provided that the above copyright notice and this paragraph are - * duplicated in all such forms and that any documentation, - * advertising materials, and other materials related to such - * distribution and use acknowledge that the software was developed - * by the University of California, Berkeley. The name of the - * University may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ -/* No user fns here. Pesch 15apr92. */ - -#include <_ansi.h> -#include <stdio.h> -#include <stdlib.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <sys/unistd.h> -#include "local.h" - -#define _DEFAULT_ASPRINTF_BUFSIZE 64 - -/* - * Allocate a file buffer, or switch to unbuffered I/O. - * Per the ANSI C standard, ALL tty devices default to line buffered. - * - * As a side effect, we set __SOPT or __SNPT (en/dis-able fseek - * optimization) right after the _fstat() that finds the buffer size. - */ - -_VOID -_DEFUN(__smakebuf_r, (ptr, fp), - struct _reent *ptr _AND - register FILE *fp) -{ - register size_t size, couldbetty; - register _PTR p; -#ifdef __USE_INTERNAL_STAT64 - struct stat64 st; -#else - struct stat st; -#endif - - if (fp->_flags & __SNBF) - { - fp->_bf._base = fp->_p = fp->_nbuf; - fp->_bf._size = 1; - return; - } -#ifdef __USE_INTERNAL_STAT64 - if (fp->_file < 0 || _fstat64_r (ptr, fp->_file, &st) < 0) -#else - if (fp->_file < 0 || _fstat_r (ptr, fp->_file, &st) < 0) -#endif - { - couldbetty = 0; - /* Check if we are be called by asprintf family for initial buffer. */ - if (fp->_flags & __SMBF) - size = _DEFAULT_ASPRINTF_BUFSIZE; - else - size = BUFSIZ; - /* do not try to optimise fseek() */ - fp->_flags |= __SNPT; - } - else - { - couldbetty = (st.st_mode & S_IFMT) == S_IFCHR; -#ifdef HAVE_BLKSIZE - size = st.st_blksize <= 0 ? BUFSIZ : st.st_blksize; -#else - size = BUFSIZ; -#endif - /* - * Optimize fseek() only if it is a regular file. - * (The test for __sseek is mainly paranoia.) - */ - if ((st.st_mode & S_IFMT) == S_IFREG && fp->_seek == __sseek) - { - fp->_flags |= __SOPT; -#ifdef HAVE_BLKSIZE - fp->_blksize = st.st_blksize; -#else - fp->_blksize = 1024; -#endif - } - else - fp->_flags |= __SNPT; - } - if ((p = _malloc_r (ptr, size)) == NULL) - { - if (!(fp->_flags & __SSTR)) - { - fp->_flags |= __SNBF; - fp->_bf._base = fp->_p = fp->_nbuf; - fp->_bf._size = 1; - } - } - else - { - ptr->__cleanup = _cleanup_r; - fp->_flags |= __SMBF; - fp->_bf._base = fp->_p = (unsigned char *) p; - fp->_bf._size = size; - if (couldbetty && _isatty_r (ptr, fp->_file)) - fp->_flags |= __SLBF; - } -} |