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types.h
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20 #ifndef INCLUDED_SAL_TYPES_H
21 #define INCLUDED_SAL_TYPES_H
22
23 #include "sal/config.h"
24
25 #include <stddef.h>
26
27 #include "sal/macros.h"
28 #include "sal/typesizes.h"
29
30 #if defined LIBO_INTERNAL_ONLY
31 #include "config_global.h"
32 #endif
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 typedef unsigned char sal_Bool;
39 # define sal_False ((sal_Bool)0)
40 # define sal_True ((sal_Bool)1)
41
42 /* char is assumed to always be 1 byte long */
43 typedef signed char sal_Int8;
44 typedef unsigned char sal_uInt8;
45
46 #if SAL_TYPES_SIZEOFSHORT == 2
47 typedef signed short sal_Int16;
48 typedef unsigned short sal_uInt16;
49 #else
50 #error "Could not find 16-bit type, add support for your architecture"
51 #endif
52
53 #if SAL_TYPES_SIZEOFLONG == 4
54 typedef signed long sal_Int32;
55 typedef unsigned long sal_uInt32;
56 #define SAL_PRIdINT32 "ld"
57 #define SAL_PRIuUINT32 "lu"
58 #define SAL_PRIxUINT32 "lx"
59 #define SAL_PRIXUINT32 "lX"
60 #elif SAL_TYPES_SIZEOFINT == 4
61 typedef signed int sal_Int32;
62 typedef unsigned int sal_uInt32;
63 #define SAL_PRIdINT32 "d"
64 #define SAL_PRIuUINT32 "u"
65 #define SAL_PRIxUINT32 "x"
66 #define SAL_PRIXUINT32 "X"
67 #else
68 #error "Could not find 32-bit type, add support for your architecture"
69 #endif
70
71 #ifdef _MSC_VER
72 typedef __int64 sal_Int64;
73 typedef unsigned __int64 sal_uInt64;
74
75 /* The following are macros that will add the 64 bit constant suffix. */
76 #define SAL_CONST_INT64(x) x##i64
77 #define SAL_CONST_UINT64(x) x##ui64
78
79 #define SAL_PRIdINT64 "I64d"
80 #define SAL_PRIuUINT64 "I64u"
81 #define SAL_PRIxUINT64 "I64x"
82 #define SAL_PRIXUINT64 "I64X"
83 #elif defined (__GNUC__)
84 #if SAL_TYPES_SIZEOFLONG == 8
85 typedef signed long int sal_Int64;
86 typedef unsigned long int sal_uInt64;
87
88
89 /* The following are macros that will add the 64 bit constant suffix. */
90 #define SAL_CONST_INT64(x) x##l
91 #define SAL_CONST_UINT64(x) x##ul
92
93 #define SAL_PRIdINT64 "ld"
94 #define SAL_PRIuUINT64 "lu"
95 #define SAL_PRIxUINT64 "lx"
96 #define SAL_PRIXUINT64 "lX"
97 #elif SAL_TYPES_SIZEOFLONGLONG == 8
98 typedef signed long long sal_Int64;
99 typedef unsigned long long sal_uInt64;
100
101 /* The following are macros that will add the 64 bit constant suffix. */
102 #define SAL_CONST_INT64(x) x##ll
103 #define SAL_CONST_UINT64(x) x##ull
104
105 #define SAL_PRIdINT64 "lld"
106 #define SAL_PRIuUINT64 "llu"
107 #define SAL_PRIxUINT64 "llx"
108 #define SAL_PRIXUINT64 "llX"
109 #else
110 #error "Could not find 64-bit type, add support for your architecture"
111 #endif
112 #else
113 #error "Please define the 64-bit types for your architecture/compiler in include/sal/types.h"
114 #endif
115
120 typedef char sal_Char;
121
126 typedef signed char sal_sChar;
127
132 typedef unsigned char sal_uChar;
133
134 #if defined LIBO_INTERNAL_ONLY && defined __cplusplus
135 #define SAL_UNICODE_NOTEQUAL_WCHAR_T
136 typedef char16_t sal_Unicode;
137 #elif defined(_WIN32)
138 typedef wchar_t sal_Unicode;
139 #else
140 #define SAL_UNICODE_NOTEQUAL_WCHAR_T
141 typedef sal_uInt16 sal_Unicode;
142 #endif
143
144 typedef void * sal_Handle;
145
146 /* sal_Size should currently be the native width of the platform */
147 #if SAL_TYPES_SIZEOFPOINTER == 4
148 typedef sal_uInt32 sal_Size;
149 typedef sal_Int32 sal_sSize;
150 #elif SAL_TYPES_SIZEOFPOINTER == 8
151 typedef sal_uInt64 sal_Size;
152 typedef sal_Int64 sal_sSize;
153 #else
154 #error "Please make sure SAL_TYPES_SIZEOFPOINTER is defined for your architecture/compiler"
155 #endif
156
157 /* sal_PtrDiff holds the result of a pointer subtraction */
158 #if SAL_TYPES_SIZEOFPOINTER == 4
159 typedef sal_Int32 sal_PtrDiff;
160 #elif SAL_TYPES_SIZEOFPOINTER == 8
161 typedef sal_Int64 sal_PtrDiff;
162 #else
163 #error "Please make sure SAL_TYPES_SIZEOFPOINTER is defined for your architecture/compiler"
164 #endif
165
166 /* printf-style conversion specification length modifiers for size_t and
167 ptrdiff_t (most platforms support C99, MSC has its own extension) */
168 #if defined(_MSC_VER)
169 #define SAL_PRI_SIZET "I"
170 #define SAL_PRI_PTRDIFFT "I"
171 #else
172 #define SAL_PRI_SIZET "z"
173 #define SAL_PRI_PTRDIFFT "t"
174 #endif
175
176 /* sal_IntPtr, sal_uIntPtr are integer types designed to hold pointers so that any valid
177 * pointer to void can be converted to this type and back to a pointer to void and the
178 * result will compare to the original pointer */
179 #if SAL_TYPES_SIZEOFPOINTER == 4
180 typedef sal_Int32 sal_IntPtr;
181 typedef sal_uInt32 sal_uIntPtr;
182 #define SAL_PRIdINTPTR SAL_PRIdINT32
183 #define SAL_PRIuUINTPTR SAL_PRIuUINT32
184 #define SAL_PRIxUINTPTR SAL_PRIxUINT32
185 #define SAL_PRIXUINTPTR SAL_PRIXUINT32
186 #elif SAL_TYPES_SIZEOFPOINTER == 8
187 typedef sal_Int64 sal_IntPtr;
188 typedef sal_uInt64 sal_uIntPtr;
189 #define SAL_PRIdINTPTR SAL_PRIdINT64
190 #define SAL_PRIuUINTPTR SAL_PRIuUINT64
191 #define SAL_PRIxUINTPTR SAL_PRIxUINT64
192 #define SAL_PRIXUINTPTR SAL_PRIXUINT64
193 #else
194 #error "Please make sure SAL_TYPES_SIZEOFPOINTER is defined for your architecture/compiler"
195 #endif
196
197 /* The following SAL_MIN_INTn defines codify the assumption that the signed
198 * sal_Int types use two's complement representation. Defining them as
199 * "-0x7F... - 1" instead of as "-0x80..." prevents warnings about applying the
200 * unary minus operator to unsigned quantities.
201 */
202 #define SAL_MIN_INT8 ((sal_Int8) (-0x7F - 1))
203 #define SAL_MAX_INT8 ((sal_Int8) 0x7F)
204 #define SAL_MAX_UINT8 ((sal_uInt8) 0xFF)
205 #define SAL_MIN_INT16 ((sal_Int16) (-0x7FFF - 1))
206 #define SAL_MAX_INT16 ((sal_Int16) 0x7FFF)
207 #define SAL_MAX_UINT16 ((sal_uInt16) 0xFFFF)
208 #define SAL_MIN_INT32 ((sal_Int32) (-0x7FFFFFFF - 1))
209 #define SAL_MAX_INT32 ((sal_Int32) 0x7FFFFFFF)
210 #define SAL_MAX_UINT32 ((sal_uInt32) 0xFFFFFFFF)
211 #define SAL_MIN_INT64 ((sal_Int64) (SAL_CONST_INT64(-0x7FFFFFFFFFFFFFFF) - 1))
212 #define SAL_MAX_INT64 ((sal_Int64) SAL_CONST_INT64(0x7FFFFFFFFFFFFFFF))
213 #define SAL_MAX_UINT64 ((sal_uInt64) SAL_CONST_UINT64(0xFFFFFFFFFFFFFFFF))
214
215 #if SAL_TYPES_SIZEOFPOINTER == 4
216 #define SAL_MAX_SSIZE SAL_MAX_INT32
217 #define SAL_MAX_SIZE SAL_MAX_UINT32
218 #elif SAL_TYPES_SIZEOFPOINTER == 8
219 #define SAL_MAX_SSIZE SAL_MAX_INT64
220 #define SAL_MAX_SIZE SAL_MAX_UINT64
221 #endif
222
223 #define SAL_MAX_ENUM 0x7fffffff
224
225 #if defined(_MSC_VER)
226 # define SAL_DLLPUBLIC_EXPORT __declspec(dllexport)
227 # define SAL_JNI_EXPORT __declspec(dllexport)
228 # define SAL_DLLPUBLIC_IMPORT __declspec(dllimport)
229 # define SAL_DLLPRIVATE
230 # define SAL_DLLPUBLIC_TEMPLATE
231 # define SAL_DLLPUBLIC_RTTI
232 # define SAL_CALL __cdecl
233 #elif defined SAL_UNX
234 # if defined(__GNUC__)
235 # if defined(DISABLE_DYNLOADING)
236 # define SAL_DLLPUBLIC_EXPORT __attribute__ ((visibility("hidden")))
237 # define SAL_JNI_EXPORT __attribute__ ((visibility("default")))
238 # define SAL_DLLPUBLIC_IMPORT __attribute__ ((visibility("hidden")))
239 # define SAL_DLLPRIVATE __attribute__ ((visibility("hidden")))
240 # define SAL_DLLPUBLIC_TEMPLATE __attribute__ ((visibility("hidden")))
241 # define SAL_DLLPUBLIC_RTTI
242 # else
243 # define SAL_DLLPUBLIC_EXPORT __attribute__ ((visibility("default")))
244 # define SAL_JNI_EXPORT __attribute__ ((visibility("default")))
245 # define SAL_DLLPUBLIC_IMPORT __attribute__ ((visibility("default")))
246 # define SAL_DLLPRIVATE __attribute__ ((visibility("hidden")))
247 # define SAL_DLLPUBLIC_TEMPLATE __attribute__ ((visibility("default")))
248 # if defined __clang__
249 # if __has_attribute(type_visibility)
250 # define SAL_DLLPUBLIC_RTTI __attribute__ ((type_visibility("default")))
251 # else
252 # define SAL_DLLPUBLIC_RTTI __attribute__ ((visibility("default")))
253 # endif
254 # else
255 # define SAL_DLLPUBLIC_RTTI
256 # endif
257 # endif
258 # else
259 # define SAL_DLLPUBLIC_EXPORT
260 # define SAL_JNI_EXPORT
261 # define SAL_DLLPUBLIC_IMPORT
262 # define SAL_DLLPRIVATE
263 # define SAL_DLLPUBLIC_TEMPLATE
264 # define SAL_DLLPUBLIC_RTTI
265 # endif
266 # define SAL_CALL
267 #else
268 # error("unknown platform")
269 #endif
270
277 #if defined(__GNUC__)
278 # if defined(DISABLE_DYNLOADING)
279 # define SAL_EXCEPTION_DLLPUBLIC_EXPORT __attribute__((visibility("default")))
280 # else
281 # define SAL_EXCEPTION_DLLPUBLIC_EXPORT SAL_DLLPUBLIC_EXPORT
282 # endif
283 # define SAL_EXCEPTION_DLLPRIVATE SAL_DLLPRIVATE
284 #else
285 # define SAL_EXCEPTION_DLLPUBLIC_EXPORT
286 # define SAL_EXCEPTION_DLLPRIVATE
287 #endif
288
295 #if defined LIBO_INTERNAL_ONLY && defined __cplusplus
296 #define SAL_WARN_UNUSED_RESULT [[nodiscard]]
297 #elif (defined __GNUC__ \
298 && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))) \
299 || defined __clang__
300 # define SAL_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
301 #else
302 # define SAL_WARN_UNUSED_RESULT
303 #endif
304
309 #ifdef _MSC_VER
310 # define SAL_NO_VTABLE __declspec(novtable)
311 #else
312 # define SAL_NO_VTABLE
313 #endif
314
315 #ifdef _WIN32
316 # pragma pack(push, 8)
317 #endif
318
321 typedef struct _sal_Sequence
322 {
325 sal_Int32 nRefCount;
328 sal_Int32 nElements;
331 char elements[1];
332 } sal_Sequence;
333
334 #define SAL_SEQUENCE_HEADER_SIZE ((sal_Size) offsetof(sal_Sequence,elements))
335
336 #if defined( _WIN32)
337 #pragma pack(pop)
338 #endif
339
340 #if defined __cplusplus
341
346 #define SAL_THROW_EXTERN_C() throw ()
347
352 #if defined(LIBO_INTERNAL_ONLY) && defined(__COVERITY__)
353 # define COVERITY_NOEXCEPT_FALSE noexcept(false)
354 #else
355 # define COVERITY_NOEXCEPT_FALSE
356 #endif
357
358 #else
359
360 #define SAL_THROW_EXTERN_C()
361
362 #endif
363
364 #ifdef __cplusplus
365 }
366 #endif /* __cplusplus */
367
368 #ifdef __cplusplus
369
370 enum __sal_NoAcquire
371 {
374 SAL_NO_ACQUIRE
375 };
376
377 namespace com { namespace sun { namespace star { } } }
378
383 namespace css = ::com::sun::star;
384
393 #if defined LIBO_INTERNAL_ONLY
394 #define SAL_DELETED_FUNCTION = delete
395 #else
396 #define SAL_DELETED_FUNCTION
397 #endif
398
406 #if defined LIBO_INTERNAL_ONLY
407 #define SAL_OVERRIDE override
408 #else
409 #define SAL_OVERRIDE
410 #endif
411
412 #endif /* __cplusplus */
413
414 #ifdef __cplusplus
415
416 namespace sal {
417
429 template< typename T1, typename T2 > inline T1 static_int_cast(T2 n) {
430 return static_cast< T1 >(n);
431 }
432
433 }
434
435 #else /* __cplusplus */
436
449 #define SAL_INT_CAST(type, expr) ((type) (expr))
450
451 #endif /* __cplusplus */
452
458 #if HAVE_GCC_DEPRECATED_MESSAGE
459 # define SAL_DEPRECATED(message) __attribute__((deprecated(message)))
460 #elif defined __GNUC__ || defined __clang__
461 # define SAL_DEPRECATED(message) __attribute__((deprecated))
462 #elif defined(_MSC_VER)
463 # define SAL_DEPRECATED(message) __declspec(deprecated(message))
464 #else
465 # define SAL_DEPRECATED(message)
466 #endif
467
479 #ifdef LIBO_INTERNAL_ONLY
480 # define SAL_DEPRECATED_INTERNAL(message)
481 #else
482 # define SAL_DEPRECATED_INTERNAL(message) SAL_DEPRECATED(message)
483 #endif
484
492 #if HAVE_GCC_PRAGMA_OPERATOR
493 #define SAL_WNODEPRECATED_DECLARATIONS_PUSH \
494 _Pragma(SAL_STRINGIFY_ARG(GCC diagnostic push)) \
495 _Pragma(SAL_STRINGIFY_ARG(GCC diagnostic ignored "-Wdeprecated-declarations"))
496 #define SAL_WNODEPRECATED_DECLARATIONS_POP \
497 _Pragma(SAL_STRINGIFY_ARG(GCC diagnostic pop))
498 #else
499 # define SAL_WNODEPRECATED_DECLARATIONS_PUSH
500 # define SAL_WNODEPRECATED_DECLARATIONS_POP
501 #endif
502
519 #ifdef _MSC_VER
520 #define SAL_WNOUNREACHABLE_CODE_PUSH \
521 __pragma(warning(push)) \
522 __pragma(warning(disable:4702)) \
523 __pragma(warning(disable:4722))
524 #define SAL_WNOUNREACHABLE_CODE_POP \
525 __pragma(warning(pop))
526 #else
527 /* Add definitions for GCC and Clang if needed */
528 #define SAL_WNOUNREACHABLE_CODE_PUSH
529 #define SAL_WNOUNREACHABLE_CODE_POP
530 #endif
531
555 #if defined __cplusplus
556 #if defined __GNUC__ || defined __clang__
557 #define SAL_UNUSED_PARAMETER __attribute__ ((unused))
558 #else
559 #define SAL_UNUSED_PARAMETER
560 #endif
561 #endif
562
575 #if HAVE_GCC_ATTRIBUTE_WARN_UNUSED
576 #define SAL_WARN_UNUSED __attribute__((warn_unused))
577 #else
578 #define SAL_WARN_UNUSED
579 #endif
580
582
583 #if defined __GNUC__ || defined __clang__
584 // Macro to try to catch and warn on assignments inside expr.
585 # define SAL_DETAIL_BOOLEAN_EXPR(expr) \
586 __extension__ ({ \
587 int sal_boolean_var_; \
588 if (expr) \
589 sal_boolean_var_ = 1; \
590 else \
591 sal_boolean_var_ = 0; \
592 sal_boolean_var_; \
593 })
594
605 # define SAL_LIKELY(expr) __builtin_expect(SAL_DETAIL_BOOLEAN_EXPR((expr)), 1)
606
617 # define SAL_UNLIKELY(expr) __builtin_expect(SAL_DETAIL_BOOLEAN_EXPR((expr)), 0)
618
630 # define SAL_HOT __attribute__((hot))
631
645 # define SAL_COLD __attribute__((cold))
646 #else
647 # define SAL_LIKELY(expr) (expr)
648 # define SAL_UNLIKELY(expr) (expr)
649 # define SAL_HOT
650 # define SAL_COLD
651 #endif
652
654
656
665 #ifndef __has_attribute
666 #define __has_attribute(x) 0
667 #endif
668
669 #if defined LIBO_INTERNAL_ONLY && ((defined __GNUC__ && !defined __clang__) || (defined __clang__ && __has_attribute(returns_nonnull)))
670 #define SAL_RETURNS_NONNULL __attribute__((returns_nonnull))
671 #else
672 #define SAL_RETURNS_NONNULL
673 #endif
674
676 #endif // INCLUDED_SAL_TYPES_H
677
678 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
sal_Handle
void * sal_Handle
Definition: types.h:144
typesizes.h
sal_Int8
signed char sal_Int8
Definition: types.h:43
_sal_Sequence
This is the binary specification of a SAL sequence.
Definition: types.h:321
sal_Sequence
struct _sal_Sequence sal_Sequence
This is the binary specification of a SAL sequence.
sal_sChar
signed char sal_sChar
A legacy synonym for signed char.
Definition: types.h:126
_sal_Sequence::elements
char elements[1]
elements array
Definition: types.h:331
com
Definition: types.h:377
sal_Unicode
sal_uInt16 sal_Unicode
Definition: types.h:141
sal_Bool
unsigned char sal_Bool
Definition: types.h:38
sal_uChar
unsigned char sal_uChar
A legacy synonym for unsigned char.
Definition: types.h:132
__sal_NoAcquire
__sal_NoAcquire
Definition: types.h:370
sal
Definition: types.h:416
macros.h
_sal_Sequence::nRefCount
sal_Int32 nRefCount
reference count of sequence
Definition: types.h:325
_sal_Sequence::nElements
sal_Int32 nElements
element count
Definition: types.h:328
SAL_NO_ACQUIRE
definition of a no acquire enum for ctors
Definition: types.h:374
config.h
sal_Char
char sal_Char
A legacy synonym for char.
Definition: types.h:120
sal::static_int_cast
T1 static_int_cast(T2 n)
A static_cast between integral types, to avoid C++ compiler warnings.
Definition: types.h:429
com::sun::star
Definition: types.h:377
sal_uInt8
unsigned char sal_uInt8
Definition: types.h:44