libxml2/libxml/xmlexports.h

0001 /*
0002  * Summary: macros for marking symbols as exportable/importable.
0003  * Description: macros for marking symbols as exportable/importable.
0004  *
0005  * Copy: See Copyright for the status of this software.
0006  */
0007
0008 #ifndef __XML_EXPORTS_H__
0009 #define __XML_EXPORTS_H__
0010
0011 /** DOC_DISABLE */
0012
0013 /*
0014  * Symbol visibility
0015  */
0016
0017 #if defined(_WIN32) || defined(__CYGWIN__)
0018   #ifdef LIBXML_STATIC
0019     #define XMLPUBLIC
0020   #elif defined(IN_LIBXML)
0021     #define XMLPUBLIC __declspec(dllexport)
0022   #else
0023     #define XMLPUBLIC __declspec(dllimport)
0024   #endif
0025 #else /* not Windows */
0026   #define XMLPUBLIC
0027 #endif /* platform switch */
0028
0029 #define XMLPUBFUN XMLPUBLIC
0030
0031 #define XMLPUBVAR XMLPUBLIC extern
0032
0033 /* Compatibility */
0034 #define XMLCALL
0035 #define XMLCDECL
0036 #ifndef LIBXML_DLL_IMPORT
0037   #define LIBXML_DLL_IMPORT XMLPUBVAR
0038 #endif
0039
0040 /*
0041  * Attributes
0042  */
0043
0044 #ifndef ATTRIBUTE_UNUSED
0045   #if __GNUC__ * 100 + __GNUC_MINOR__ >= 207 || defined(__clang__)
0046     #define ATTRIBUTE_UNUSED __attribute__((unused))
0047   #else
0048     #define ATTRIBUTE_UNUSED
0049   #endif
0050 #endif
0051
0052 #if !defined(__clang__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 403)
0053   #define LIBXML_ATTR_ALLOC_SIZE(x) __attribute__((alloc_size(x)))
0054 #else
0055   #define LIBXML_ATTR_ALLOC_SIZE(x)
0056 #endif
0057
0058 #if __GNUC__ * 100 + __GNUC_MINOR__ >= 303
0059   #define LIBXML_ATTR_FORMAT(fmt,args) \
0060     __attribute__((__format__(__printf__,fmt,args)))
0061 #else
0062   #define LIBXML_ATTR_FORMAT(fmt,args)
0063 #endif
0064
0065 #ifndef XML_DEPRECATED
0066   #if defined(IN_LIBXML)
0067     #define XML_DEPRECATED
0068   #elif __GNUC__ * 100 + __GNUC_MINOR__ >= 301
0069     #define XML_DEPRECATED __attribute__((deprecated))
0070   #elif defined(_MSC_VER) && _MSC_VER >= 1400
0071     /* Available since Visual Studio 2005 */
0072     #define XML_DEPRECATED __declspec(deprecated)
0073   #else
0074     #define XML_DEPRECATED
0075   #endif
0076 #endif
0077
0078 /*
0079  * Warnings pragmas, should be moved from public headers
0080  */
0081
0082 #if defined(__LCC__)
0083
0084   #define XML_IGNORE_FPTR_CAST_WARNINGS
0085   #define XML_POP_WARNINGS \
0086     _Pragma("diag_default 1215")
0087
0088 #elif defined(__clang__) || (__GNUC__ * 100 + __GNUC_MINOR__ >= 406)
0089
0090   #if defined(__clang__) || (__GNUC__ * 100 + __GNUC_MINOR__ >= 800)
0091     #define XML_IGNORE_FPTR_CAST_WARNINGS \
0092       _Pragma("GCC diagnostic push") \
0093       _Pragma("GCC diagnostic ignored \"-Wpedantic\"") \
0094       _Pragma("GCC diagnostic ignored \"-Wcast-function-type\"")
0095   #else
0096     #define XML_IGNORE_FPTR_CAST_WARNINGS \
0097       _Pragma("GCC diagnostic push") \
0098       _Pragma("GCC diagnostic ignored \"-Wpedantic\"")
0099   #endif
0100   #define XML_POP_WARNINGS \
0101     _Pragma("GCC diagnostic pop")
0102
0103 #elif defined(_MSC_VER) && _MSC_VER >= 1400
0104
0105   #define XML_IGNORE_FPTR_CAST_WARNINGS __pragma(warning(push))
0106   #define XML_POP_WARNINGS __pragma(warning(pop))
0107
0108 #else
0109
0110   #define XML_IGNORE_FPTR_CAST_WARNINGS
0111   #define XML_POP_WARNINGS
0112
0113 #endif
0114
0115 /*
0116  * Accessors for globals
0117  */
0118
0119 #define XML_NO_ATTR
0120
0121 #ifdef LIBXML_THREAD_ENABLED
0122   #define XML_DECLARE_GLOBAL(name, type, attrs) \
0123     attrs XMLPUBFUN type *__##name(void);
0124   #define XML_GLOBAL_MACRO(name) (*__##name())
0125 #else
0126   #define XML_DECLARE_GLOBAL(name, type, attrs) \
0127     attrs XMLPUBVAR type name;
0128 #endif
0129
0130 /*
0131  * Originally declared in xmlversion.h which is generated
0132  */
0133
0134 #ifdef __cplusplus
0135 extern "C" {
0136 #endif
0137
0138 XMLPUBFUN void xmlCheckVersion(int version);
0139
0140 #ifdef __cplusplus
0141 }
0142 #endif
0143
0144 #endif /* __XML_EXPORTS_H__ */
0145
0146