diff options
Diffstat (limited to 'libc/stdio/local.h')
| -rw-r--r-- | libc/stdio/local.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/libc/stdio/local.h b/libc/stdio/local.h new file mode 100644 index 0000000..3db1fc5 --- /dev/null +++ b/libc/stdio/local.h @@ -0,0 +1,91 @@ +/* $OpenBSD: local.h,v 1.12 2005/10/10 17:37:44 espie Exp $ */ + +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "wcio.h" +#include "fileext.h" + +#ifndef DEFFILEMODE +#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) +#endif + + +/* + * Information local to this implementation of stdio, + * in particular, macros and private variables. + */ + +int __sflush(FILE *); +FILE *__sfp(void); +int __srefill(FILE *); +int __sread(void *, char *, int); +int __swrite(void *, const char *, int); +fpos_t __sseek(void *, fpos_t, int); +int __sclose(void *); +void __sinit(void); +void _cleanup(void); +void __smakebuf(FILE *); +int __swhatbuf(FILE *, size_t *, int *); +int _fwalk(int (*)(FILE *)); +int __swsetup(FILE *); +int __sflags(const char *, int *); + +extern void __atexit_register_cleanup(void (*)(void)); +extern int __sdidinit; + +/* + * Return true if the given FILE cannot be written now. + */ +#define cantwrite(fp) \ + ((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \ + __swsetup(fp)) + +/* + * Test whether the given stdio file has an active ungetc buffer; + * release such a buffer, without restoring ordinary unread data. + */ +#define HASUB(fp) (_UB(fp)._base != NULL) +#define FREEUB(fp) { \ + if (_UB(fp)._base != (fp)->_ubuf) \ + free(_UB(fp)._base); \ + _UB(fp)._base = NULL; \ +} + +/* + * test for an fgetln() buffer. + */ +#define HASLB(fp) ((fp)->_lb._base != NULL) +#define FREELB(fp) { \ + free((char *)(fp)->_lb._base); \ + (fp)->_lb._base = NULL; \ +} |