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dllexport symbols by default and add CJSON_IMPORT_SYMBOLS

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This should fix copy pasting of the C and header files with the MSVC
compiler.
This commit is contained in:
Max Bruckner 2017-04-08 15:54:14 +02:00
parent 74d0525201
commit ec2db50b6f
1 changed files with 9 additions and 3 deletions
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12
cJSON.h
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@ -88,9 +88,10 @@ typedef int cJSON_bool;
/* When compiling for windows, we specify a specific calling convention to avoid issues where we are being called from a project with a different default calling convention. For windows you have 2 define options:
CJSON_HIDE_SYMBOLS - Define this in the case where you don't want to ever dllexport symbols
CJSON_EXPORT_SYMBOLS - Define this on library build when you want to dllexport symbols
CJSON_EXPORT_SYMBOLS - Define this on library build when you want to dllexport symbols (default)
CJSON_IMPORT_SYMBOLS - Define this if you want to dllimport symbol
For *nix builds that support visibility attribute, you can define similar behavior by
For *nix builds that support visibility attribute, you can define similar behavior by
setting default visibility to hidden by adding
-fvisibility=hidden (for gcc)
@ -102,11 +103,16 @@ then using the CJSON_API_VISIBILITY flag to "export" the same symbols the way CJ
*/
/* export symbols by default, this is necessary for copy pasting the C and header file */
#if !defined(CJSON_HIDE_SYMBOLS) && !defined(CJSON_IMPORT_SYMBOLS)
#define CJSON_EXPORT_SYMBOLS
#endif
#if defined(CJSON_HIDE_SYMBOLS)
#define CJSON_PUBLIC(type) type __stdcall
#elif defined(CJSON_EXPORT_SYMBOLS)
#define CJSON_PUBLIC(type) __declspec(dllexport) type __stdcall
#else
#elif defined(CJSON_IMPORT_SYMBOLS)
#define CJSON_PUBLIC(type) __declspec(dllimport) type __stdcall
#endif
#else /* !WIN32 */