Move all sources to 'src/'
[lttng-ust.git] / src / snprintf / local.h
1 /* $OpenBSD: local.h,v 1.14 2009/10/22 01:23:16 guenther Exp $ */
2
3 /*
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (C) 1990, 1993
7 * The Regents of the University of California. All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * Chris Torek.
11 */
12
13 /*
14 * Information local to this implementation of stdio,
15 * in particular, macros and private variables.
16 */
17
18 #include <stdio.h>
19 #include <wchar.h>
20 #include "various.h"
21 #include "wcio.h"
22 #include "fileext.h"
23
24 int __sflush(LTTNG_UST_LFILE *)
25 __attribute__((visibility("hidden")));
26
27 LTTNG_UST_LFILE *__sfp(void)
28 __attribute__((visibility("hidden")));
29
30 int __srefill(LTTNG_UST_LFILE *)
31 __attribute__((visibility("hidden")));
32
33 int __sread(void *, char *, int)
34 __attribute__((visibility("hidden")));
35
36 int __swrite(void *, const char *, int)
37 __attribute__((visibility("hidden")));
38
39 fpos_t __sseek(void *, fpos_t, int)
40 __attribute__((visibility("hidden")));
41
42 int __sclose(void *)
43 __attribute__((visibility("hidden")));
44
45 void __sinit(void)
46 __attribute__((visibility("hidden")));
47
48 void _cleanup(void)
49 __attribute__((visibility("hidden")));
50
51 void __smakebuf(LTTNG_UST_LFILE *)
52 __attribute__((visibility("hidden")));
53
54 int __swhatbuf(LTTNG_UST_LFILE *, size_t *, int *)
55 __attribute__((visibility("hidden")));
56
57 int _fwalk(int (*)(LTTNG_UST_LFILE *))
58 __attribute__((visibility("hidden")));
59
60 int __swsetup(LTTNG_UST_LFILE *)
61 __attribute__((visibility("hidden")));
62
63 int __sflags(const char *, int *)
64 __attribute__((visibility("hidden")));
65
66 wint_t __fgetwc_unlock(LTTNG_UST_LFILE *)
67 __attribute__((visibility("hidden")));
68
69 extern void __atexit_register_cleanup(void (*)(void))
70 __attribute__((visibility("hidden")));
71
72 extern int __sdidinit
73 __attribute__((visibility("hidden")));
74
75 /*
76 * Return true if the given LTTNG_UST_LFILE cannot be written now.
77 */
78 #define cantwrite(fp) \
79 ((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \
80 __swsetup(fp))
81
82 /*
83 * Test whether the given stdio file has an active ungetc buffer;
84 * release such a buffer, without restoring ordinary unread data.
85 */
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; \
91 }
92
93 /*
94 * test for an fgetln() buffer.
95 */
96 #define HASLB(fp) ((fp)->_lb._base != NULL)
97 #define FREELB(fp) { \
98 free((char *)(fp)->_lb._base); \
99 (fp)->_lb._base = NULL; \
100 }
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