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1 | /* $OpenBSD: local.h,v 1.14 2009/10/22 01:23:16 guenther Exp $ */ |
2 | ||
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3 | /* |
4 | * SPDX-License-Identifier: BSD-3-Clause | |
5 | * | |
6 | * Copyright (C) 1990, 1993 | |
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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. | |
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11 | */ |
12 | ||
13 | /* | |
14 | * Information local to this implementation of stdio, | |
15 | * in particular, macros and private variables. | |
16 | */ | |
17 | ||
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18 | #include <stdio.h> |
19 | #include <wchar.h> | |
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20 | #include "various.h" |
21 | #include "wcio.h" | |
22 | #include "fileext.h" | |
23 | ||
ddabe860 | 24 | __attribute__((visibility("hidden"))) |
002e1fde | 25 | int __sflush(LTTNG_UST_LFILE *); |
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26 | |
27 | __attribute__((visibility("hidden"))) | |
002e1fde | 28 | LTTNG_UST_LFILE *__sfp(void); |
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29 | |
30 | __attribute__((visibility("hidden"))) | |
002e1fde | 31 | int __srefill(LTTNG_UST_LFILE *); |
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32 | |
33 | __attribute__((visibility("hidden"))) | |
bf0d695d | 34 | int __sread(void *, char *, int); |
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35 | |
36 | __attribute__((visibility("hidden"))) | |
bf0d695d | 37 | int __swrite(void *, const char *, int); |
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38 | |
39 | __attribute__((visibility("hidden"))) | |
bf0d695d | 40 | fpos_t __sseek(void *, fpos_t, int); |
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41 | |
42 | __attribute__((visibility("hidden"))) | |
bf0d695d | 43 | int __sclose(void *); |
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44 | |
45 | __attribute__((visibility("hidden"))) | |
bf0d695d | 46 | void __sinit(void); |
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47 | |
48 | __attribute__((visibility("hidden"))) | |
bf0d695d | 49 | void _cleanup(void); |
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50 | |
51 | __attribute__((visibility("hidden"))) | |
002e1fde | 52 | void __smakebuf(LTTNG_UST_LFILE *); |
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53 | |
54 | __attribute__((visibility("hidden"))) | |
002e1fde | 55 | int __swhatbuf(LTTNG_UST_LFILE *, size_t *, int *); |
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56 | |
57 | __attribute__((visibility("hidden"))) | |
002e1fde | 58 | int _fwalk(int (*)(LTTNG_UST_LFILE *)); |
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59 | |
60 | __attribute__((visibility("hidden"))) | |
002e1fde | 61 | int __swsetup(LTTNG_UST_LFILE *); |
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62 | |
63 | __attribute__((visibility("hidden"))) | |
bf0d695d | 64 | int __sflags(const char *, int *); |
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65 | |
66 | __attribute__((visibility("hidden"))) | |
002e1fde | 67 | wint_t __fgetwc_unlock(LTTNG_UST_LFILE *); |
bf0d695d | 68 | |
ddabe860 | 69 | __attribute__((visibility("hidden"))) |
bf0d695d | 70 | extern void __atexit_register_cleanup(void (*)(void)); |
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71 | |
72 | __attribute__((visibility("hidden"))) | |
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73 | extern int __sdidinit; |
74 | ||
75 | /* | |
002e1fde | 76 | * Return true if the given LTTNG_UST_LFILE cannot be written now. |
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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 | } |