/* * MiracleCast - Wifi-Display/Miracast Implementation * * Copyright (c) 2013-2014 David Herrmann * * MiracleCast is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * MiracleCast is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with MiracleCast; If not, see . */ #include #include #include #include "shl_macro.h" #ifndef CTL_ARG_H #define CTL_ARG_H #define wfd_arg_i8(_v) { .type = WFD_ARG_I8, .i8 = (_v) } #define wfd_arg_u8(_v) { .type = WFD_ARG_U8, .u8 = (_v) } #define wfd_arg_i16(_v) { .type = WFD_ARG_I16, .i16 = (_v) } #define wfd_arg_u16(_v) { .type = WFD_ARG_U16, .u16 = (_v) } #define wfd_arg_i32(_v) { .type = WFD_ARG_I32, .i32 = (_v) } #define wfd_arg_u32(_v) { .type = WFD_ARG_U32, .u32 = (_v) } #define wfd_arg_i64(_v) { .type = WFD_ARG_I64, .i64 = (_v) } #define wfd_arg_u64(_v) { .type = WFD_ARG_U64, .u64 = (_v) } #define wfd_arg_cstr(_v) { .type = WFD_ARG_CSTR, .ptr = (_v) } #define wfd_arg_cptr(_v) { .type = WFD_ARG_CPTR, .ptr = (_v) } #define wfd_arg_arg_list(_v) { \ .type = WFD_ARG_ARG_LIST, \ .ptr = &(struct wfd_arg_list) wfd_arg_list(_v) \ } #define wfd_arg_dict(_k, _v) { \ .type = WFD_ARG_DICT, \ .k = (struct wfd_arg[]){_k}, \ .v = (struct wfd_arg[]){_v} \ } #if INT_MAX == INT64_MAX #define wfd_arg_i(_v) wfd_arg_i64(_v) #define wfd_arg_u(_v) wfd_arg_u64(_v) #elif INT_MAX == INT32_MAX #define wfd_arg_i(_v) wfd_arg_i32(_v) #define wfd_arg_u(_v) wfd_arg_u32(_v) #else #error unsupported int size #endif #define wfd_arg_type_id(_t) _Generic((_t), \ int8_t: WFD_ARG_I8, \ uint8_t: WFD_ARG_U8, \ int16_t: WFD_ARG_I16, \ uint16_t: WFD_ARG_U16, \ int32_t: WFD_ARG_I32, \ uint32_t: WFD_ARG_U32, \ int64_t: WFD_ARG_I64, \ uint64_t: WFD_ARG_U64, \ const char *: WFD_ARG_CSTR, \ const wfd_arg_list *: WFD_ARG_ARG_LIST, \ char *: WFD_ARG_STR, \ void *: WFD_ARG_PTR, \ default: WFD_ARG_CPTR \ ) #define wfd_arg_list(...) { \ .argv = (struct wfd_arg[]) { \ __VA_ARGS__ \ }, \ .discrete = true, \ .dynamic = false, \ .len = (sizeof((struct wfd_arg[]){ __VA_ARGS__ })/sizeof(struct wfd_arg)) \ } #define wfd_arg_get(_a, _v) ({ \ *(_v) = _Generic(*(_v), \ int8_t: wfd_arg_get_i8, \ uint8_t: wfd_arg_get_u8, \ int16_t: wfd_arg_get_i16, \ uint16_t: wfd_arg_get_u16, \ int32_t: wfd_arg_get_i32, \ uint32_t: wfd_arg_get_u32, \ int64_t: wfd_arg_get_i64, \ uint64_t: wfd_arg_get_u64, \ char *: wfd_arg_get_str, \ const struct wfd_arg_list *: wfd_arg_get_arg_list, \ const char *: wfd_arg_get_cstr, \ void *: wfd_arg_get_ptr, \ default: wfd_arg_get_cptr \ )(_a); \ }) #define wfd_arg_get_dictk(_a, _k) ({ \ assert(_a); \ assert(WFD_ARG_DICT == (_a)->type); \ wfd_arg_get((_a)->k, (_k)); \ }) #define wfd_arg_get_dictv(_a, _v) ({ \ assert(_a); \ assert(WFD_ARG_DICT == (_a)->type); \ wfd_arg_get((_a)->v, (_v)); \ }) #define wfd_arg_get_dict(_a, _k, _v) ({ \ assert(_a); \ assert(WFD_ARG_DICT == (_a)->type); \ wfd_arg_get_dictk(_a, _k); \ wfd_arg_get_dictv(_a, _v); \ }) #define wfd_arg_list_get(_l, _i, _v) ({ \ wfd_arg_get(wfd_arg_list_at((_l), (_i)), (_v)); \ }) #define wfd_arg_list_get_dictk(_l, _i, _k) ({ \ wfd_arg_get_dictk(wfd_arg_list_at((_l), (_i)), (_k)); \ }) #define wfd_arg_list_get_dictv(_l, _i, _v) ({ \ wfd_arg_get_dictv(wfd_arg_list_at((_l), (_i)), (_v)); \ }) #define wfd_arg_list_get_dict(_l, _i, _k, _v) ({ \ wfd_arg_get_dict(wfd_arg_list_at((_l), (_i)), (_k), (_v)); \ }) enum wfd_arg_type { WFD_ARG_NONE, WFD_ARG_I8, WFD_ARG_I16, WFD_ARG_I32, WFD_ARG_I64, WFD_ARG_U8, WFD_ARG_U16, WFD_ARG_U32, WFD_ARG_U64, WFD_ARG_STR, WFD_ARG_CSTR, WFD_ARG_PTR, WFD_ARG_CPTR, WFD_ARG_DICT, WFD_ARG_ARG_LIST, }; struct wfd_arg { enum wfd_arg_type type; union { int8_t i8; uint8_t u8; int16_t i16; uint16_t u16; int32_t i32; uint32_t u32; int64_t i64; uint64_t u64; struct { void *ptr; void (*free)(void *); }; struct { struct wfd_arg *k; struct wfd_arg *v; }; }; }; struct wfd_arg_list { size_t len: sizeof(size_t) - 2; bool discrete: 1; bool dynamic: 1; union { struct wfd_arg * argv; struct wfd_arg args[0]; }; }; int wfd_arg_list_new(struct wfd_arg_list **out); void wfd_arg_list_clear(struct wfd_arg_list *l); static inline void wfd_arg_list_free(struct wfd_arg_list *l); static inline const struct wfd_arg * wfd_arg_list_at(const struct wfd_arg_list *l, int i); static inline enum wfd_arg_type wfd_arg_get_type(struct wfd_arg *a); static inline void wfd_arg_free_ptr(struct wfd_arg *a); static inline void wfd_arg_clear(struct wfd_arg *a); static inline int8_t wfd_arg_get_i8(const struct wfd_arg *a); static inline void wfd_arg_set_i8(struct wfd_arg *a, int8_t v); static inline uint8_t wfd_arg_get_u8(const struct wfd_arg *a); static inline void wfd_arg_set_u8(struct wfd_arg *a, uint8_t v); static inline int16_t wfd_arg_get_i16(const struct wfd_arg *a); static inline void wfd_arg_set_i16(struct wfd_arg *a, int16_t v); static inline uint16_t wfd_arg_get_u16(const struct wfd_arg *a); static inline void wfd_arg_set_u16(struct wfd_arg *a, uint16_t v); static inline int32_t wfd_arg_get_i32(const struct wfd_arg *a); static inline void wfd_arg_set_i32(struct wfd_arg *a, int32_t v); static inline uint32_t wfd_arg_get_u32(const struct wfd_arg *a); static inline void wfd_arg_set_u32(struct wfd_arg *a, uint32_t v); static inline int64_t wfd_arg_get_i64(const struct wfd_arg *a); static inline void wfd_arg_set_i64(struct wfd_arg *a, int64_t v); static inline uint64_t wfd_arg_get_u64(const struct wfd_arg *a); static inline void wfd_arg_set_u64(struct wfd_arg *a, uint64_t v); static inline const char * wfd_arg_get_cstr(const struct wfd_arg *a); static inline void wfd_arg_set_cstr(struct wfd_arg *a, const char * v); static inline void wfd_arg_take_str(struct wfd_arg *a, char *v); static inline char * wfd_arg_get_str(const struct wfd_arg *a); static inline int wfd_arg_set_str(struct wfd_arg *a, const char *v);; static inline const void * wfd_arg_get_cptr(const struct wfd_arg *a); static inline void wfd_arg_set_cptr(struct wfd_arg *a, const void * v); static inline void wfd_arg_take_ptr(struct wfd_arg *a, void *v, void (*f)(void *)); static inline void * wfd_arg_get_ptr(const struct wfd_arg *a); static inline void wfd_arg_take_arg_list(struct wfd_arg *a, struct wfd_arg_list *l); static inline const struct wfd_arg_list * wfd_arg_get_arg_list(const struct wfd_arg *a); #include "wfd-arg.inc" #endif /* CTL_ARG_H */