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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 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
34 #if defined ( __MINGW32__ ) && !defined ( __USE_MINGW_ANSI_STDIO )
35 /* Define to use the C99 formatting string for coherence reasons.
36  * In mingw-w64 some functions are ported to the ms formatting string
37  * some are not yet. This is the only way to make the formatting
38  * strings work all the time
39  */
40 #define __USE_MINGW_ANSI_STDIO 1
41 #endif
42 
43 /********************************************************************************/
44 /* Data types
45 */
46 
47 /* Boolean */
48 typedef unsigned char sal_Bool;
49 # define sal_False ((sal_Bool)0)
50 # define sal_True ((sal_Bool)1)
51 
52 /* char is assumed to always be 1 byte long */
53 typedef signed char sal_Int8;
54 typedef unsigned char sal_uInt8;
55 
56 #if SAL_TYPES_SIZEOFSHORT == 2
57  typedef signed short sal_Int16;
58  typedef unsigned short sal_uInt16;
59 #else
60  #error "Could not find 16-bit type, add support for your architecture"
61 #endif
62 
63 #if SAL_TYPES_SIZEOFLONG == 4
64  typedef signed long sal_Int32;
65  typedef unsigned long sal_uInt32;
66  #define SAL_PRIdINT32 "ld"
67  #define SAL_PRIuUINT32 "lu"
68  #define SAL_PRIxUINT32 "lx"
69  #define SAL_PRIXUINT32 "lX"
70 #elif SAL_TYPES_SIZEOFINT == 4
71  typedef signed int sal_Int32;
72  typedef unsigned int sal_uInt32;
73  #define SAL_PRIdINT32 "d"
74  #define SAL_PRIuUINT32 "u"
75  #define SAL_PRIxUINT32 "x"
76  #define SAL_PRIXUINT32 "X"
77 #else
78  #error "Could not find 32-bit type, add support for your architecture"
79 #endif
80 
81 #ifdef _MSC_VER
82  typedef __int64 sal_Int64;
83  typedef unsigned __int64 sal_uInt64;
84 
85  /* The following are macros that will add the 64 bit constant suffix. */
86  #define SAL_CONST_INT64(x) x##i64
87  #define SAL_CONST_UINT64(x) x##ui64
88 
89  #define SAL_PRIdINT64 "I64d"
90  #define SAL_PRIuUINT64 "I64u"
91  #define SAL_PRIxUINT64 "I64x"
92  #define SAL_PRIXUINT64 "I64X"
93 #elif defined (__GNUC__)
94  #if SAL_TYPES_SIZEOFLONG == 8
95  typedef signed long int sal_Int64;
96  typedef unsigned long int sal_uInt64;
97 
98 
99  /* The following are macros that will add the 64 bit constant suffix. */
100  #define SAL_CONST_INT64(x) x##l
101  #define SAL_CONST_UINT64(x) x##ul
102 
103  #define SAL_PRIdINT64 "ld"
104  #define SAL_PRIuUINT64 "lu"
105  #define SAL_PRIxUINT64 "lx"
106  #define SAL_PRIXUINT64 "lX"
107  #elif SAL_TYPES_SIZEOFLONGLONG == 8
108  typedef signed long long sal_Int64;
109  typedef unsigned long long sal_uInt64;
110 
111  /* The following are macros that will add the 64 bit constant suffix. */
112  #define SAL_CONST_INT64(x) x##ll
113  #define SAL_CONST_UINT64(x) x##ull
114 
115  #define SAL_PRIdINT64 "lld"
116  #define SAL_PRIuUINT64 "llu"
117  #define SAL_PRIxUINT64 "llx"
118  #define SAL_PRIXUINT64 "llX"
119  #else
120  #error "Could not find 64-bit type, add support for your architecture"
121  #endif
122 #else
123  #error "Please define the 64-bit types for your architecture/compiler in include/sal/types.h"
124 #endif
125 
130 typedef char sal_Char;
131 
136 typedef signed char sal_sChar;
137 
142 typedef unsigned char sal_uChar;
143 
144 #if ( defined(SAL_W32) && !defined(__MINGW32__) )
145  // http://msdn.microsoft.com/en-us/library/s3f49ktz%28v=vs.80%29.aspx
146  // "By default wchar_t is a typedef for unsigned short."
147  // But MinGW has a native wchar_t, and on many places, we cannot deal with
148  // that, so sal_Unicode has to be explicitly typedef'd as sal_uInt16 there.
149  typedef wchar_t sal_Unicode;
150 #else
151  #define SAL_UNICODE_NOTEQUAL_WCHAR_T
152 #if LIBO_INTERNAL_ONLY && defined __cplusplus
153  typedef char16_t sal_Unicode;
154 #else
155  typedef sal_uInt16 sal_Unicode;
156 #endif
157 #endif
158 
159 typedef void * sal_Handle;
160 
161 /* sal_Size should currently be the native width of the platform */
162 #if SAL_TYPES_SIZEOFPOINTER == 4
163  typedef sal_uInt32 sal_Size;
164  typedef sal_Int32 sal_sSize;
165 #elif SAL_TYPES_SIZEOFPOINTER == 8
166  typedef sal_uInt64 sal_Size;
167  typedef sal_Int64 sal_sSize;
168 #else
169  #error "Please make sure SAL_TYPES_SIZEOFPOINTER is defined for your architecture/compiler"
170 #endif
171 
172 /* sal_PtrDiff holds the result of a pointer subtraction */
173 #if SAL_TYPES_SIZEOFPOINTER == 4
174  typedef sal_Int32 sal_PtrDiff;
175 #elif SAL_TYPES_SIZEOFPOINTER == 8
176  typedef sal_Int64 sal_PtrDiff;
177 #else
178  #error "Please make sure SAL_TYPES_SIZEOFPOINTER is defined for your architecture/compiler"
179 #endif
180 
181 /* printf-style conversion specification length modifiers for size_t and
182  ptrdiff_t (most platforms support C99, MSC has its own extension) */
183 #if defined(_MSC_VER)
184  #define SAL_PRI_SIZET "I"
185  #define SAL_PRI_PTRDIFFT "I"
186 #else
187  #define SAL_PRI_SIZET "z"
188  #define SAL_PRI_PTRDIFFT "t"
189 #endif
190 
191 /* sal_IntPtr, sal_uIntPtr are integer types designed to hold pointers so that any valid
192  * pointer to void can be converted to this type and back to a pointer to void and the
193  * result will compare to the original pointer */
194 #if SAL_TYPES_SIZEOFPOINTER == 4
195  typedef sal_Int32 sal_IntPtr;
196  typedef sal_uInt32 sal_uIntPtr;
197  #define SAL_PRIdINTPTR SAL_PRIdINT32
198  #define SAL_PRIuUINTPTR SAL_PRIuUINT32
199  #define SAL_PRIxUINTPTR SAL_PRIxUINT32
200  #define SAL_PRIXUINTPTR SAL_PRIXUINT32
201 #elif SAL_TYPES_SIZEOFPOINTER == 8
202  typedef sal_Int64 sal_IntPtr;
203  typedef sal_uInt64 sal_uIntPtr;
204  #define SAL_PRIdINTPTR SAL_PRIdINT64
205  #define SAL_PRIuUINTPTR SAL_PRIuUINT64
206  #define SAL_PRIxUINTPTR SAL_PRIxUINT64
207  #define SAL_PRIXUINTPTR SAL_PRIXUINT64
208 #else
209  #error "Please make sure SAL_TYPES_SIZEOFPOINTER is defined for your architecture/compiler"
210 #endif
211 
212 /********************************************************************************/
213 /* Useful defines
214  */
215 
216 /* The following SAL_MIN_INTn defines codify the assumption that the signed
217  * sal_Int types use two's complement representation. Defining them as
218  * "-0x7F... - 1" instead of as "-0x80..." prevents warnings about applying the
219  * unary minus operator to unsigned quantities.
220  */
221 #define SAL_MIN_INT8 ((sal_Int8) (-0x7F - 1))
222 #define SAL_MAX_INT8 ((sal_Int8) 0x7F)
223 #define SAL_MAX_UINT8 ((sal_uInt8) 0xFF)
224 #define SAL_MIN_INT16 ((sal_Int16) (-0x7FFF - 1))
225 #define SAL_MAX_INT16 ((sal_Int16) 0x7FFF)
226 #define SAL_MAX_UINT16 ((sal_uInt16) 0xFFFF)
227 #define SAL_MIN_INT32 ((sal_Int32) (-0x7FFFFFFF - 1))
228 #define SAL_MAX_INT32 ((sal_Int32) 0x7FFFFFFF)
229 #define SAL_MAX_UINT32 ((sal_uInt32) 0xFFFFFFFF)
230 #define SAL_MIN_INT64 ((sal_Int64) (SAL_CONST_INT64(-0x7FFFFFFFFFFFFFFF) - 1))
231 #define SAL_MAX_INT64 ((sal_Int64) SAL_CONST_INT64(0x7FFFFFFFFFFFFFFF))
232 #define SAL_MAX_UINT64 ((sal_uInt64) SAL_CONST_UINT64(0xFFFFFFFFFFFFFFFF))
233 
234 #if SAL_TYPES_SIZEOFPOINTER == 4
235 #define SAL_MAX_SSIZE SAL_MAX_INT32
236 #define SAL_MAX_SIZE SAL_MAX_UINT32
237 #elif SAL_TYPES_SIZEOFPOINTER == 8
238 #define SAL_MAX_SSIZE SAL_MAX_INT64
239 #define SAL_MAX_SIZE SAL_MAX_UINT64
240 #endif
241 
242 #define SAL_MAX_ENUM 0x7fffffff
243 
244 #if defined(_MSC_VER) || defined(__MINGW32__)
245 # define SAL_DLLPUBLIC_EXPORT __declspec(dllexport)
246 # define SAL_JNI_EXPORT __declspec(dllexport)
247 #if defined(_MSC_VER)
248 # define SAL_DLLPUBLIC_IMPORT __declspec(dllimport)
249 #else
250 # define SAL_DLLPUBLIC_IMPORT
251 #endif // defined(_MSC_VER)
252 # define SAL_DLLPRIVATE
253 # define SAL_DLLPUBLIC_TEMPLATE
254 # define SAL_DLLPUBLIC_RTTI
255 # define SAL_CALL __cdecl
256 # define SAL_CALL_ELLIPSE __cdecl
257 #elif defined SAL_UNX
258 # if defined(__GNUC__)
259 # if defined(DISABLE_DYNLOADING)
260 # define SAL_DLLPUBLIC_EXPORT __attribute__ ((visibility("hidden")))
261 # define SAL_JNI_EXPORT __attribute__ ((visibility("default")))
262 # define SAL_DLLPUBLIC_IMPORT __attribute__ ((visibility("hidden")))
263 # define SAL_DLLPRIVATE __attribute__ ((visibility("hidden")))
264 # define SAL_DLLPUBLIC_TEMPLATE __attribute__ ((visibility("hidden")))
265 # define SAL_DLLPUBLIC_RTTI
266 # else
267 # define SAL_DLLPUBLIC_EXPORT __attribute__ ((visibility("default")))
268 # define SAL_JNI_EXPORT __attribute__ ((visibility("default")))
269 # define SAL_DLLPUBLIC_IMPORT __attribute__ ((visibility("default")))
270 # define SAL_DLLPRIVATE __attribute__ ((visibility("hidden")))
271 # define SAL_DLLPUBLIC_TEMPLATE __attribute__ ((visibility("default")))
272 # if defined __clang__
273 # if __has_attribute(type_visibility)
274 # define SAL_DLLPUBLIC_RTTI __attribute__ ((type_visibility("default")))
275 # else
276 # define SAL_DLLPUBLIC_RTTI __attribute__ ((visibility("default")))
277 # endif
278 # else
279 # define SAL_DLLPUBLIC_RTTI
280 # endif
281 # endif
282 # else
283 # define SAL_DLLPUBLIC_EXPORT
284 # define SAL_JNI_EXPORT
285 # define SAL_DLLPUBLIC_IMPORT
286 # define SAL_DLLPRIVATE
287 # define SAL_DLLPUBLIC_TEMPLATE
288 # define SAL_DLLPUBLIC_RTTI
289 # endif
290 # define SAL_CALL
291 # define SAL_CALL_ELLIPSE
292 #else
293 # error("unknown platform")
294 #endif
295 
302 #if defined(__GNUC__) && ! defined(__MINGW32__)
303 # if defined(DISABLE_DYNLOADING)
304 # define SAL_EXCEPTION_DLLPUBLIC_EXPORT __attribute__((visibility("default")))
305 # else
306 # define SAL_EXCEPTION_DLLPUBLIC_EXPORT SAL_DLLPUBLIC_EXPORT
307 # endif
308 # define SAL_EXCEPTION_DLLPRIVATE SAL_DLLPRIVATE
309 #else
310 # define SAL_EXCEPTION_DLLPUBLIC_EXPORT
311 # define SAL_EXCEPTION_DLLPRIVATE
312 #endif
313 
320 #if (defined __GNUC__ \
321  && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))) \
322  || defined __clang__
323 # define SAL_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
324 #else
325 # define SAL_WARN_UNUSED_RESULT
326 #endif
327 
332 #ifdef _MSC_VER
333 # define SAL_NO_VTABLE __declspec(novtable)
334 #else
335 # define SAL_NO_VTABLE
336 #endif
337 
338 #ifdef SAL_W32
339 # pragma pack(push, 8)
340 #endif
341 
345 typedef struct _sal_Sequence
346 {
349  sal_Int32 nRefCount;
352  sal_Int32 nElements;
355  char elements[1];
356 } sal_Sequence;
357 
358 #define SAL_SEQUENCE_HEADER_SIZE ((sal_Size) offsetof(sal_Sequence,elements))
359 
360 #if defined( SAL_W32)
361 #pragma pack(pop)
362 #endif
363 
364 #if defined __cplusplus
365 
370 #define SAL_THROW_EXTERN_C() throw ()
371 
372 #else
373 
374 #define SAL_THROW_EXTERN_C()
375 
376 #endif
377 
378 #ifdef __cplusplus
379 }
380 #endif /* __cplusplus */
381 
382 #ifdef __cplusplus
383 
385 {
389 };
390 
391 namespace com { namespace sun { namespace star { } } }
392 
397 namespace css = ::com::sun::star;
398 
407 #if defined LIBO_INTERNAL_ONLY
408 #define SAL_DELETED_FUNCTION = delete
409 #else
410 #define SAL_DELETED_FUNCTION
411 #endif
412 
420 #if defined LIBO_INTERNAL_ONLY
421 #define SAL_OVERRIDE override
422 #else
423 #define SAL_OVERRIDE
424 #endif
425 
432 #if defined LIBO_INTERNAL_ONLY
433 #define SAL_FINAL final
434 #else
435 #define SAL_FINAL
436 #endif
437 
442 #if HAVE_CXX11_CONSTEXPR
443 #define SAL_CONSTEXPR constexpr
444 #else
445 #define SAL_CONSTEXPR
446 #endif
447 
448 #if defined LIBO_INTERNAL_ONLY
449 #if defined __clang__
450 #define SAL_FALLTHROUGH [[clang::fallthrough]]
451 #else
452 #define SAL_FALLTHROUGH
453 #endif
454 #endif
455 
456 #endif /* __cplusplus */
457 
458 #ifdef __cplusplus
459 
460 namespace sal {
461 
473 template< typename T1, typename T2 > inline T1 static_int_cast(T2 n) {
474  return static_cast< T1 >(n);
475 }
476 
477 }
478 
479 #else /* __cplusplus */
480 
493 #define SAL_INT_CAST(type, expr) ((type) (expr))
494 
495 #endif /* __cplusplus */
496 
502 #if HAVE_GCC_DEPRECATED_MESSAGE
503 # define SAL_DEPRECATED(message) __attribute__((deprecated(message)))
504 #elif defined __GNUC__ || defined __clang__
505 # define SAL_DEPRECATED(message) __attribute__((deprecated))
506 #elif defined(_MSC_VER)
507 # define SAL_DEPRECATED(message) __declspec(deprecated(message))
508 #else
509 # define SAL_DEPRECATED(message)
510 #endif
511 
523 #ifdef LIBO_INTERNAL_ONLY
524 # define SAL_DEPRECATED_INTERNAL(message)
525 #else
526 # define SAL_DEPRECATED_INTERNAL(message) SAL_DEPRECATED(message)
527 #endif
528 
536 #if HAVE_GCC_PRAGMA_OPERATOR
537 #define SAL_WNODEPRECATED_DECLARATIONS_PUSH \
538  _Pragma(SAL_STRINGIFY_ARG(GCC diagnostic push)) \
539  _Pragma(SAL_STRINGIFY_ARG(GCC diagnostic ignored "-Wdeprecated-declarations"))
540 #define SAL_WNODEPRECATED_DECLARATIONS_POP \
541  _Pragma(SAL_STRINGIFY_ARG(GCC diagnostic pop))
542 #else
543 # define SAL_WNODEPRECATED_DECLARATIONS_PUSH
544 # define SAL_WNODEPRECATED_DECLARATIONS_POP
545 #endif
546 
563 #ifdef _MSC_VER
564 #define SAL_WNOUNREACHABLE_CODE_PUSH \
565  __pragma(warning(push)) \
566  __pragma(warning(disable:4702)) \
567  __pragma(warning(disable:4722))
568 #define SAL_WNOUNREACHABLE_CODE_POP \
569  __pragma(warning(pop))
570 #else
571 /* Add definitions for GCC and Clang if needed */
572 #define SAL_WNOUNREACHABLE_CODE_PUSH
573 #define SAL_WNOUNREACHABLE_CODE_POP
574 #endif
575 
599 #if defined __cplusplus
600 #if defined __GNUC__ || defined __clang__
601 #define SAL_UNUSED_PARAMETER __attribute__ ((unused))
602 #else
603 #define SAL_UNUSED_PARAMETER
604 #endif
605 #endif
606 
619 #if HAVE_GCC_ATTRIBUTE_WARN_UNUSED
620 #define SAL_WARN_UNUSED __attribute__((warn_unused))
621 #elif defined __clang__
622 #define SAL_WARN_UNUSED __attribute__((annotate("lo_warn_unused")))
623 #else
624 #define SAL_WARN_UNUSED
625 #endif
626 
628 
629 #if defined __GNUC__ || defined __clang__
630 // Macro to try to catch and warn on assignments inside expr.
631 # define SAL_DETAIL_BOOLEAN_EXPR(expr) \
632  __extension__ ({ \
633  int sal_boolean_var_; \
634  if (expr) \
635  sal_boolean_var_ = 1; \
636  else \
637  sal_boolean_var_ = 0; \
638  sal_boolean_var_; \
639  })
640 
651 # define SAL_LIKELY(expr) __builtin_expect(SAL_DETAIL_BOOLEAN_EXPR((expr)), 1)
652 
663 # define SAL_UNLIKELY(expr) __builtin_expect(SAL_DETAIL_BOOLEAN_EXPR((expr)), 0)
664 
676 # define SAL_HOT __attribute__((hot))
677 
691 # define SAL_COLD __attribute__((cold))
692 #else
693 # define SAL_LIKELY(expr) (expr)
694 # define SAL_UNLIKELY(expr) (expr)
695 # define SAL_HOT
696 # define SAL_COLD
697 #endif
698 
700 
701 #endif // INCLUDED_SAL_TYPES_H
702 
703 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
void * sal_Handle
Definition: types.h:159
char sal_Char
A legacy synonym for char.
Definition: types.h:130
unsigned char sal_uChar
A legacy synonym for unsigned char.
Definition: types.h:142
char elements[1]
elements array
Definition: types.h:355
unsigned char sal_Bool
Definition: types.h:48
unsigned char sal_uInt8
Definition: types.h:54
__sal_NoAcquire
Definition: types.h:384
signed char sal_Int8
Definition: types.h:53
sal_uInt16 sal_Unicode
Definition: types.h:155
struct _sal_Sequence sal_Sequence
This is the binary specification of a SAL sequence.
This is the binary specification of a SAL sequence.
Definition: types.h:345
sal_Int32 nRefCount
reference count of sequence
Definition: types.h:349
definition of a no acquire enum for ctors
Definition: types.h:388
sal_Int32 nElements
element count
Definition: types.h:352
signed char sal_sChar
A legacy synonym for signed char.
Definition: types.h:136
T1 static_int_cast(T2 n)
A static_cast between integral types, to avoid C++ compiler warnings.
Definition: types.h:473