1 /* $OpenBSD: local.h,v 1.14 2009/10/22 01:23:16 guenther Exp $ */
4 * SPDX-License-Identifier: BSD-3-Clause
6 * Copyright (C) 1990, 1993
7 * The Regents of the University of California. All rights reserved.
9 * This code is derived from software contributed to Berkeley by
14 * Information local to this implementation of stdio,
15 * in particular, macros and private variables.
24 int __sflush(LTTNG_UST_LFILE
*)
25 __attribute__((visibility("hidden")));
27 LTTNG_UST_LFILE
*__sfp(void)
28 __attribute__((visibility("hidden")));
30 int __srefill(LTTNG_UST_LFILE
*)
31 __attribute__((visibility("hidden")));
33 int __sread(void *, char *, int)
34 __attribute__((visibility("hidden")));
36 int __swrite(void *, const char *, int)
37 __attribute__((visibility("hidden")));
39 fpos_t __sseek(void *, fpos_t, int)
40 __attribute__((visibility("hidden")));
43 __attribute__((visibility("hidden")));
46 __attribute__((visibility("hidden")));
49 __attribute__((visibility("hidden")));
51 void __smakebuf(LTTNG_UST_LFILE
*)
52 __attribute__((visibility("hidden")));
54 int __swhatbuf(LTTNG_UST_LFILE
*, size_t *, int *)
55 __attribute__((visibility("hidden")));
57 int _fwalk(int (*)(LTTNG_UST_LFILE
*))
58 __attribute__((visibility("hidden")));
60 int __swsetup(LTTNG_UST_LFILE
*)
61 __attribute__((visibility("hidden")));
63 int __sflags(const char *, int *)
64 __attribute__((visibility("hidden")));
66 wint_t __fgetwc_unlock(LTTNG_UST_LFILE
*)
67 __attribute__((visibility("hidden")));
69 extern void __atexit_register_cleanup(void (*)(void))
70 __attribute__((visibility("hidden")));
73 __attribute__((visibility("hidden")));
76 * Return true if the given LTTNG_UST_LFILE cannot be written now.
78 #define cantwrite(fp) \
79 ((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \
83 * Test whether the given stdio file has an active ungetc buffer;
84 * release such a buffer, without restoring ordinary unread data.
86 #define HASUB(fp) (_UB(fp)._base != NULL)
87 #define FREEUB(fp) { \
88 if (_UB(fp)._base != (fp)->_ubuf) \
89 free(_UB(fp)._base); \
90 _UB(fp)._base = NULL; \
94 * test for an fgetln() buffer.
96 #define HASLB(fp) ((fp)->_lb._base != NULL)
97 #define FREELB(fp) { \
98 free((char *)(fp)->_lb._base); \
99 (fp)->_lb._base = NULL; \
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