diff options
Diffstat (limited to 'include/lv2/atom')
-rw-r--r-- | include/lv2/atom/atom.h | 18 | ||||
-rw-r--r-- | include/lv2/atom/forge.h | 72 | ||||
-rw-r--r-- | include/lv2/atom/util.h | 62 |
3 files changed, 78 insertions, 74 deletions
diff --git a/include/lv2/atom/atom.h b/include/lv2/atom/atom.h index a6178cf..41af21a 100644 --- a/include/lv2/atom/atom.h +++ b/include/lv2/atom/atom.h @@ -1,8 +1,8 @@ // Copyright 2008-2016 David Robillard <d@drobilla.net> // SPDX-License-Identifier: ISC -#ifndef LV2_ATOM_H -#define LV2_ATOM_H +#ifndef LV2_ATOM_ATOM_H +#define LV2_ATOM_ATOM_H /** @defgroup atom Atom @@ -62,25 +62,19 @@ extern "C" { #endif -/** @cond */ -/** This expression will fail to compile if double does not fit in 64 bits. */ -typedef char lv2_atom_assert_double_fits_in_64_bits - [((sizeof(double) <= sizeof(uint64_t)) * 2) - 1]; -/** @endcond */ - /** Return a pointer to the contents of an Atom. The "contents" of an atom is the data past the complete type-specific header. @param type The type of the atom, for example LV2_Atom_String. @param atom A variable-sized atom. */ -#define LV2_ATOM_CONTENTS(type, atom) ((void*)((uint8_t*)(atom) + sizeof(type))) +#define LV2_ATOM_CONTENTS(type, atom) ((void*)((type*)(atom) + 1U)) /** Const version of LV2_ATOM_CONTENTS. */ #define LV2_ATOM_CONTENTS_CONST(type, atom) \ - ((const void*)((const uint8_t*)(atom) + sizeof(type))) + ((const void*)((const type*)(atom) + 1U)) /** Return a pointer to the body of an Atom. The "body" of an atom is the @@ -221,7 +215,7 @@ typedef struct { | Event 1 (size 6) | Event 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - |FRAMES |TYPE |SIZE |DATADATADATAPAD|FRAMES |... + |FRAMES |SIZE |TYPE |DATADATADATAPAD|FRAMES |... </pre> */ typedef struct { @@ -244,4 +238,4 @@ typedef struct { @} */ -#endif /* LV2_ATOM_H */ +#endif // LV2_ATOM_ATOM_H diff --git a/include/lv2/atom/forge.h b/include/lv2/atom/forge.h index 5e9bef8..58b7512 100644 --- a/include/lv2/atom/forge.h +++ b/include/lv2/atom/forge.h @@ -38,10 +38,10 @@ @{ */ -#include "lv2/atom/atom.h" -#include "lv2/atom/util.h" -#include "lv2/core/attributes.h" -#include "lv2/urid/urid.h" +#include <lv2/atom/atom.h> +#include <lv2/atom/util.h> +#include <lv2/core/attributes.h> +#include <lv2/urid/urid.h> #include <assert.h> #include <stdbool.h> @@ -90,24 +90,24 @@ typedef struct { LV2_Atom_Forge_Frame* stack; - LV2_URID Blank LV2_DEPRECATED; - LV2_URID Bool; - LV2_URID Chunk; - LV2_URID Double; - LV2_URID Float; - LV2_URID Int; - LV2_URID Long; - LV2_URID Literal; - LV2_URID Object; - LV2_URID Path; - LV2_URID Property; + LV2_URID Blank LV2_DEPRECATED; + LV2_URID Bool; + LV2_URID Chunk; + LV2_URID Double; + LV2_URID Float; + LV2_URID Int; + LV2_URID Long; + LV2_URID Literal; + LV2_URID Object; + LV2_URID Path; + LV2_URID Property; LV2_URID Resource LV2_DEPRECATED; - LV2_URID Sequence; - LV2_URID String; - LV2_URID Tuple; - LV2_URID URI; - LV2_URID URID; - LV2_URID Vector; + LV2_URID Sequence; + LV2_URID String; + LV2_URID Tuple; + LV2_URID URI; + LV2_URID URID; + LV2_URID Vector; } LV2_Atom_Forge; static inline void @@ -147,6 +147,7 @@ lv2_atom_forge_init(LV2_Atom_Forge* forge, LV2_URID_Map* map) static inline LV2_Atom* lv2_atom_forge_deref(LV2_Atom_Forge* forge, LV2_Atom_Forge_Ref ref) { + // NOLINTNEXTLINE(performance-no-int-to-ptr) return forge->buf ? (LV2_Atom*)ref : forge->deref(forge->handle, ref); } @@ -305,7 +306,7 @@ lv2_atom_forge_pad(LV2_Atom_Forge* forge, uint32_t written) static inline LV2_Atom_Forge_Ref lv2_atom_forge_write(LV2_Atom_Forge* forge, const void* data, uint32_t size) { - LV2_Atom_Forge_Ref out = lv2_atom_forge_raw(forge, data, size); + const LV2_Atom_Forge_Ref out = lv2_atom_forge_raw(forge, data, size); if (out) { lv2_atom_forge_pad(forge, size); } @@ -316,11 +317,18 @@ lv2_atom_forge_write(LV2_Atom_Forge* forge, const void* data, uint32_t size) static inline LV2_Atom_Forge_Ref lv2_atom_forge_string_body(LV2_Atom_Forge* forge, const char* str, uint32_t len) { - LV2_Atom_Forge_Ref out = lv2_atom_forge_raw(forge, str, len); - if (out && (out = lv2_atom_forge_raw(forge, "", 1))) { - lv2_atom_forge_pad(forge, len + 1); + const LV2_Atom_Forge_Ref s = lv2_atom_forge_raw(forge, str, len); + if (!s) { + return s; } - return out; + + const LV2_Atom_Forge_Ref t = lv2_atom_forge_raw(forge, "", 1); + if (!t) { + return t; + } + + lv2_atom_forge_pad(forge, len + 1U); + return t; } /** @@ -484,10 +492,10 @@ lv2_atom_forge_vector(LV2_Atom_Forge* forge, const void* elems) { const LV2_Atom_Vector a = { - {(uint32_t)sizeof(LV2_Atom_Vector_Body) + n_elems * child_size, + {(uint32_t)sizeof(LV2_Atom_Vector_Body) + (n_elems * child_size), forge->Vector}, {child_size, child_type}}; - LV2_Atom_Forge_Ref out = lv2_atom_forge_write(forge, &a, sizeof(a)); + const LV2_Atom_Forge_Ref out = lv2_atom_forge_write(forge, &a, sizeof(a)); if (out) { lv2_atom_forge_write(forge, elems, child_size * n_elems); } @@ -561,8 +569,7 @@ lv2_atom_forge_object(LV2_Atom_Forge* forge, This function is deprecated and should not be used in new code. Use lv2_atom_forge_object() directly instead. */ -LV2_DEPRECATED -static inline LV2_Atom_Forge_Ref +LV2_DEPRECATED static inline LV2_Atom_Forge_Ref lv2_atom_forge_resource(LV2_Atom_Forge* forge, LV2_Atom_Forge_Frame* frame, LV2_URID id, @@ -580,8 +587,7 @@ lv2_atom_forge_resource(LV2_Atom_Forge* forge, This function is deprecated and should not be used in new code. Use lv2_atom_forge_object() directly instead. */ -LV2_DEPRECATED -static inline LV2_Atom_Forge_Ref +LV2_DEPRECATED static inline LV2_Atom_Forge_Ref lv2_atom_forge_blank(LV2_Atom_Forge* forge, LV2_Atom_Forge_Frame* frame, uint32_t id, @@ -667,4 +673,4 @@ LV2_RESTORE_WARNINGS @} */ -#endif /* LV2_ATOM_FORGE_H */ +#endif // LV2_ATOM_FORGE_H diff --git a/include/lv2/atom/util.h b/include/lv2/atom/util.h index f585f82..9a3d8a3 100644 --- a/include/lv2/atom/util.h +++ b/include/lv2/atom/util.h @@ -1,4 +1,4 @@ -// Copyright 2008-2015 David Robillard <d@drobilla.net> +// Copyright 2008-2024 David Robillard <d@drobilla.net> // SPDX-License-Identifier: ISC #ifndef LV2_ATOM_UTIL_H @@ -13,7 +13,7 @@ */ /** - @defgroup util Utilities + @defgroup atom_util Utilities @ingroup atom Utilities for working with atoms. @@ -21,13 +21,15 @@ @{ */ -#include "lv2/atom/atom.h" +#include <lv2/atom/atom.h> #include <stdarg.h> #include <stdbool.h> #include <stdint.h> #include <string.h> +// NOLINTBEGIN(bugprone-macro-parentheses) + #ifdef __cplusplus extern "C" { #endif @@ -36,7 +38,9 @@ extern "C" { static inline uint32_t lv2_atom_pad_size(uint32_t size) { - return (size + 7U) & (~7U); + static const uint32_t mask = 7U; + + return (size + mask) & ~mask; } /** Return the total size of `atom`, including the header. */ @@ -57,8 +61,7 @@ lv2_atom_is_null(const LV2_Atom* atom) static inline bool lv2_atom_equals(const LV2_Atom* a, const LV2_Atom* b) { - return (a == b) || ((a->type == b->type) && (a->size == b->size) && - !memcmp(a + 1, b + 1, a->size)); + return (a == b) || !memcmp(a, b, sizeof(LV2_Atom) + a->size); } /** @@ -112,14 +115,14 @@ lv2_atom_sequence_next(const LV2_Atom_Event* i) @endcode */ #define LV2_ATOM_SEQUENCE_FOREACH(seq, iter) \ - for (LV2_Atom_Event * iter = lv2_atom_sequence_begin(&(seq)->body); \ + for (LV2_Atom_Event* iter = lv2_atom_sequence_begin(&(seq)->body); \ !lv2_atom_sequence_is_end(&(seq)->body, (seq)->atom.size, (iter)); \ (iter) = lv2_atom_sequence_next(iter)) /** Like LV2_ATOM_SEQUENCE_FOREACH but for a headerless sequence body. */ -#define LV2_ATOM_SEQUENCE_BODY_FOREACH(body, size, iter) \ - for (LV2_Atom_Event * iter = lv2_atom_sequence_begin(body); \ - !lv2_atom_sequence_is_end(body, size, (iter)); \ +#define LV2_ATOM_SEQUENCE_BODY_FOREACH(body, size, iter) \ + for (LV2_Atom_Event* iter = lv2_atom_sequence_begin(body); \ + !lv2_atom_sequence_is_end(body, size, (iter)); \ (iter) = lv2_atom_sequence_next(iter)) /** @@ -178,7 +181,7 @@ lv2_atom_sequence_append_event(LV2_Atom_Sequence* seq, static inline LV2_Atom* lv2_atom_tuple_begin(const LV2_Atom_Tuple* tup) { - return (LV2_Atom*)(LV2_ATOM_BODY(tup)); + return (LV2_Atom*)tup + 1U; } /** Return true iff `i` has reached the end of `body`. */ @@ -210,15 +213,14 @@ lv2_atom_tuple_next(const LV2_Atom* i) } @endcode */ -#define LV2_ATOM_TUPLE_FOREACH(tuple, iter) \ - for (LV2_Atom * iter = lv2_atom_tuple_begin(tuple); \ - !lv2_atom_tuple_is_end( \ - LV2_ATOM_BODY(tuple), (tuple)->atom.size, (iter)); \ +#define LV2_ATOM_TUPLE_FOREACH(tuple, iter) \ + for (LV2_Atom* iter = lv2_atom_tuple_begin(tuple); !lv2_atom_tuple_is_end( \ + LV2_ATOM_BODY(tuple), (tuple)->atom.size, (iter)); \ (iter) = lv2_atom_tuple_next(iter)) /** Like LV2_ATOM_TUPLE_FOREACH but for a headerless tuple body. */ #define LV2_ATOM_TUPLE_BODY_FOREACH(body, size, iter) \ - for (LV2_Atom * iter = (LV2_Atom*)(body); \ + for (LV2_Atom* iter = (LV2_Atom*)(body); \ !lv2_atom_tuple_is_end(body, size, (iter)); \ (iter) = lv2_atom_tuple_next(iter)) @@ -249,7 +251,7 @@ static inline LV2_Atom_Property_Body* lv2_atom_object_next(const LV2_Atom_Property_Body* i) { const LV2_Atom* const value = - (const LV2_Atom*)((const uint8_t*)i + 2 * sizeof(uint32_t)); + (const LV2_Atom*)((const uint8_t*)i + (2 * sizeof(uint32_t))); return (LV2_Atom_Property_Body*)((const uint8_t*)i + lv2_atom_pad_size( (uint32_t)sizeof(LV2_Atom_Property_Body) + @@ -270,15 +272,15 @@ lv2_atom_object_next(const LV2_Atom_Property_Body* i) } @endcode */ -#define LV2_ATOM_OBJECT_FOREACH(obj, iter) \ - for (LV2_Atom_Property_Body * iter = lv2_atom_object_begin(&(obj)->body); \ - !lv2_atom_object_is_end(&(obj)->body, (obj)->atom.size, (iter)); \ +#define LV2_ATOM_OBJECT_FOREACH(obj, iter) \ + for (LV2_Atom_Property_Body* iter = lv2_atom_object_begin(&(obj)->body); \ + !lv2_atom_object_is_end(&(obj)->body, (obj)->atom.size, (iter)); \ (iter) = lv2_atom_object_next(iter)) /** Like LV2_ATOM_OBJECT_FOREACH but for a headerless object body. */ -#define LV2_ATOM_OBJECT_BODY_FOREACH(body, size, iter) \ - for (LV2_Atom_Property_Body * iter = lv2_atom_object_begin(body); \ - !lv2_atom_object_is_end(body, size, (iter)); \ +#define LV2_ATOM_OBJECT_BODY_FOREACH(body, size, iter) \ + for (LV2_Atom_Property_Body* iter = lv2_atom_object_begin(body); \ + !lv2_atom_object_is_end(body, size, (iter)); \ (iter) = lv2_atom_object_next(iter)) /** @@ -357,7 +359,7 @@ lv2_atom_object_body_get(uint32_t size, const LV2_Atom_Object_Body* body, ...) int n_queries = 0; /* Count number of keys so we can short-circuit when done */ - va_list args; + va_list args; // NOLINT(cppcoreguidelines-init-variables) va_start(args, body); for (n_queries = 0; va_arg(args, uint32_t); ++n_queries) { if (!va_arg(args, const LV2_Atom**)) { @@ -370,7 +372,7 @@ lv2_atom_object_body_get(uint32_t size, const LV2_Atom_Object_Body* body, ...) LV2_ATOM_OBJECT_BODY_FOREACH (body, size, prop) { va_start(args, body); for (int i = 0; i < n_queries; ++i) { - uint32_t qkey = va_arg(args, uint32_t); + const uint32_t qkey = va_arg(args, uint32_t); const LV2_Atom** qval = va_arg(args, const LV2_Atom**); if (qkey == prop->key && !*qval) { *qval = &prop->value; @@ -412,7 +414,7 @@ lv2_atom_object_get(const LV2_Atom_Object* object, ...) int n_queries = 0; /* Count number of keys so we can short-circuit when done */ - va_list args; + va_list args; // NOLINT(cppcoreguidelines-init-variables) va_start(args, object); for (n_queries = 0; va_arg(args, uint32_t); ++n_queries) { if (!va_arg(args, const LV2_Atom**)) { @@ -425,7 +427,7 @@ lv2_atom_object_get(const LV2_Atom_Object* object, ...) LV2_ATOM_OBJECT_FOREACH (object, prop) { va_start(args, object); for (int i = 0; i < n_queries; ++i) { - uint32_t qkey = va_arg(args, uint32_t); + const uint32_t qkey = va_arg(args, uint32_t); const LV2_Atom** qval = va_arg(args, const LV2_Atom**); if (qkey == prop->key && !*qval) { *qval = &prop->value; @@ -468,7 +470,7 @@ lv2_atom_object_get_typed(const LV2_Atom_Object* object, ...) int n_queries = 0; /* Count number of keys so we can short-circuit when done */ - va_list args; + va_list args; // NOLINT(cppcoreguidelines-init-variables) va_start(args, object); for (n_queries = 0; va_arg(args, uint32_t); ++n_queries) { if (!va_arg(args, const LV2_Atom**) || !va_arg(args, uint32_t)) { @@ -502,9 +504,11 @@ lv2_atom_object_get_typed(const LV2_Atom_Object* object, ...) } /* extern "C" */ #endif +// NOLINTEND(bugprone-macro-parentheses) + /** @} @} */ -#endif /* LV2_ATOM_UTIL_H */ +#endif // LV2_ATOM_UTIL_H |