If you can make it segfault, please file a bug or at least post the code here
On Wed, Mar 2, 2016, 11:09 AM mar...@saepia.net <mar...@saepia.net> wrote: > Hello, > > thank you for suggestions. I'll try to implement them. > > But should I keep it as struct or rather compact class? > > Regarding json-glib: I intentionally try to avoid it. I was able to make > segfault even with a few simple attempts that should be tested in properly > written library, I don't need mapping for GObject properties, and I think I > encountered also some issues with big integers, I don't remember now. In my > use case more low level, better-tested library will a be better choice. > > m. > > 2016-03-02 15:28 GMT+01:00 Ben <iofel...@gmail.com>: > >> FYI, Vala already has binding for json-glib >> http://valadoc.org/#!api=json-glib-1.0/Json >> It has nice features like deserialization with GObject properties >> >> On Wed, Mar 2, 2016 at 5:19 AM, mar...@saepia.net <mar...@saepia.net> >> wrote: >> >> Hello, I need to write VAPI for jansson JSON library. I have already >> started ( https://github.com/akheron/jansson/pull/273) and generally >> speaking it works fine but I have an issue with covering one struct. In C >> code there's the following struct: #define JSON_ERROR_TEXT_LENGTH 160 >> #define JSON_ERROR_SOURCE_LENGTH 80 typedef struct { int line; int column; >> int position; char source[JSON_ERROR_SOURCE_LENGTH]; char >> text[JSON_ERROR_TEXT_LENGTH]; } json_error_t; it is an output parameter to >> function that should have the following syntax in Vala: loads(string input, >> LoadFlags flags, out Error error) I struggle to properly define it in VAPI. >> When I define it like this: [CCode (cname = "json_error_t", has_type_id = >> false)] public struct Error { public string text; public string source; >> public int line; public int column; public size_t position; } it complains >> about missing copy function during C compilation phase when I add [CCode >> (cname = "json_error_t", has_copy_function = false, has_type_id = false)] >> public struct Error { public string text; public string source; public int >> line; public int column; public size_t position; } it then throws >> api/auth/oauth2.c:939:2: error: array type 'char [160]' is not assignable >> _g_free0 ((*dest).text); ^ ~~~~~~~~~~~~ api/auth/oauth2.c:51:28: note: >> expanded from macro '_g_free0' api/auth/oauth2.c:940:15: error: array type >> 'char [160]' is not assignable (*dest).text = _tmp1_; ~~~~~~~~~~~~ ^ >> api/auth/oauth2.c:943:2: error: array type 'char [80]' is not assignable >> _g_free0 ((*dest).source); ^ ~~~~~~~~~~~~~~ How to define it properly? >> Underlying API does not provide any destroy/copy functions. I also tried to >> convert it to the compact class but then Vala Compiler creates >> pointer-to-pointer for underlying C code for the parameter which is >> improper. Thanks, Marcin _______________________________________________ >> vala-list mailing list vala-list@gnome.org >> https://mail.gnome.org/mailman/listinfo/vala-list >> >> > _______________________________________________ vala-list mailing list vala-list@gnome.org https://mail.gnome.org/mailman/listinfo/vala-list
