barbieri pushed a commit to branch master. http://git.enlightenment.org/core/efl.git/commit/?id=9ac1cb4fadadb667483845a1471f091f6a60780c
commit 9ac1cb4fadadb667483845a1471f091f6a60780c Author: Gustavo Sverzut Barbieri <[email protected]> Date: Thu Aug 24 11:13:56 2017 -0300 eina_value: add helper: eina_value_struct_desc_get(). this helper will validate a struct and fetch its description, also checking if the user version matches. --- src/lib/eina/eina_inline_value.x | 13 +++++++++++++ src/lib/eina/eina_value.h | 10 ++++++++++ 2 files changed, 23 insertions(+) diff --git a/src/lib/eina/eina_inline_value.x b/src/lib/eina/eina_inline_value.x index b8614c7ea9..17f9cc4b5b 100644 --- a/src/lib/eina/eina_inline_value.x +++ b/src/lib/eina/eina_inline_value.x @@ -1413,6 +1413,19 @@ eina_value_struct_setup(Eina_Value *value, const Eina_Value_Struct_Desc *sdesc) return EINA_TRUE; } +static inline const Eina_Value_Struct_Desc * +eina_value_struct_desc_get(const Eina_Value *value) +{ + const Eina_Value_Struct *st; + + EINA_VALUE_TYPE_STRUCT_CHECK_RETURN_VAL(value, NULL); + st = (const Eina_Value_Struct *)eina_value_memory_get(value); + if ((!st) || (!st->desc)) + return NULL; + EINA_SAFETY_ON_FALSE_RETURN_VAL(st->desc->version == EINA_VALUE_STRUCT_DESC_VERSION, NULL); + return st->desc; +} + static inline void * eina_value_struct_member_memory_get(const Eina_Value_Struct *st, const Eina_Value_Struct_Member *member) { diff --git a/src/lib/eina/eina_value.h b/src/lib/eina/eina_value.h index a1ed51df5f..3617bfbea6 100644 --- a/src/lib/eina/eina_value.h +++ b/src/lib/eina/eina_value.h @@ -3047,6 +3047,16 @@ static inline Eina_Bool eina_value_struct_setup(Eina_Value *value, const Eina_Value_Struct_Desc *desc) EINA_ARG_NONNULL(1, 2); /** + * @brief Checks for a struct and get its description. + * @param value Value object + * @return structure description, with all members and size. + * on failure, #NULL is returned. + * + * @since 1.21 + */ +static inline const Eina_Value_Struct_Desc *eina_value_struct_desc_get(const Eina_Value *value) EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT; + +/** * @brief Sets the generic value in an struct member. * @param value Source value object * @param name Name to find the member --
