projects / lttng-ust.git / blame
| Commit | Line | Data |
|---|---|---|
| bf0d695d PMF |
1 | /* $OpenBSD: local.h,v 1.14 2009/10/22 01:23:16 guenther Exp $ */ |
| 2 | ||
| c0c0989a MJ |
3 | /* |
| 4 | * SPDX-License-Identifier: BSD-3-Clause | |
| 5 | * | |
| 6 | * Copyright (C) 1990, 1993 | |
| bf0d695d PMF |
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. | |
| bf0d695d PMF |
11 | */ |
| 12 | ||
| 13 | /* | |
| 14 | * Information local to this implementation of stdio, | |
| 15 | * in particular, macros and private variables. | |
| 16 | */ | |
| 17 | ||
| 2786d9d5 FD |
18 | #include <stdio.h> |
| 19 | #include <wchar.h> | |
| bf0d695d PMF |
20 | #include "various.h" |
| 21 | #include "wcio.h" | |
| 22 | #include "fileext.h" | |
| 23 | ||
| 1d18d519 MJ |
24 | int __sflush(LTTNG_UST_LFILE *) |
| 25 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 26 | |
| 1d18d519 MJ |
27 | LTTNG_UST_LFILE *__sfp(void) |
| 28 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 29 | |
| 1d18d519 MJ |
30 | int __srefill(LTTNG_UST_LFILE *) |
| 31 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 32 | |
| 1d18d519 MJ |
33 | int __sread(void *, char *, int) |
| 34 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 35 | |
| 1d18d519 MJ |
36 | int __swrite(void *, const char *, int) |
| 37 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 38 | |
| 1d18d519 MJ |
39 | fpos_t __sseek(void *, fpos_t, int) |
| 40 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 41 | |
| 1d18d519 MJ |
42 | int __sclose(void *) |
| 43 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 44 | |
| 1d18d519 MJ |
45 | void __sinit(void) |
| 46 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 47 | |
| 1d18d519 MJ |
48 | void _cleanup(void) |
| 49 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 50 | |
| 1d18d519 MJ |
51 | void __smakebuf(LTTNG_UST_LFILE *) |
| 52 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 53 | |
| 1d18d519 MJ |
54 | int __swhatbuf(LTTNG_UST_LFILE *, size_t *, int *) |
| 55 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 56 | |
| 1d18d519 MJ |
57 | int _fwalk(int (*)(LTTNG_UST_LFILE *)) |
| 58 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 59 | |
| 1d18d519 MJ |
60 | int __swsetup(LTTNG_UST_LFILE *) |
| 61 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 62 | |
| 1d18d519 MJ |
63 | int __sflags(const char *, int *) |
| 64 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 65 | |
| 1d18d519 MJ |
66 | wint_t __fgetwc_unlock(LTTNG_UST_LFILE *) |
| 67 | __attribute__((visibility("hidden"))); | |
| bf0d695d | 68 | |
| 1d18d519 MJ |
69 | extern void __atexit_register_cleanup(void (*)(void)) |
| 70 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 71 | |
| 1d18d519 MJ |
72 | extern int __sdidinit |
| 73 | __attribute__((visibility("hidden"))); | |
| bf0d695d PMF |
74 | |
| 75 | /* | |
| 002e1fde | 76 | * Return true if the given LTTNG_UST_LFILE cannot be written now. |
| bf0d695d PMF |
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 | } |