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pcm/AudioFormat: use [[gnu::pure]]

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This commit is contained in:
Max Kellermann 2021-08-26 13:39:12 +02:00
parent 1cb7fe12ff
commit 7d7fe756b3
2 changed files with 4 additions and 5 deletions
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7
src/pcm/AudioFormat.hxx
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@ -22,7 +22,6 @@
#include "pcm/SampleFormat.hxx" // IWYU pragma: export #include "pcm/SampleFormat.hxx" // IWYU pragma: export
#include "pcm/ChannelDefs.hxx" // IWYU pragma: export #include "pcm/ChannelDefs.hxx" // IWYU pragma: export
#include "util/Compiler.h"
#include <cstddef> #include <cstddef>
#include <cstdint> #include <cstdint>
@ -124,14 +123,14 @@ struct AudioFormat {
void ApplyMask(AudioFormat mask) noexcept; void ApplyMask(AudioFormat mask) noexcept;
gcc_pure [[gnu::pure]]
AudioFormat WithMask(AudioFormat mask) const noexcept { AudioFormat WithMask(AudioFormat mask) const noexcept {
AudioFormat result = *this; AudioFormat result = *this;
result.ApplyMask(mask); result.ApplyMask(mask);
return result; return result;
} }
gcc_pure [[gnu::pure]]
bool MatchMask(AudioFormat mask) const noexcept { bool MatchMask(AudioFormat mask) const noexcept {
return WithMask(mask) == *this; return WithMask(mask) == *this;
} }
@ -226,7 +225,7 @@ AudioFormat::GetFrameSize() const noexcept
* @param af the #AudioFormat object * @param af the #AudioFormat object
* @return the string buffer * @return the string buffer
*/ */
gcc_const [[gnu::const]]
StringBuffer<24> StringBuffer<24>
ToString(AudioFormat af) noexcept; ToString(AudioFormat af) noexcept;

2
src/pcm/SampleFormat.hxx
View File

@ -116,7 +116,7 @@ sample_format_size(SampleFormat format) noexcept
* @param format a #SampleFormat enum value * @param format a #SampleFormat enum value
* @return the string * @return the string
*/ */
gcc_pure gcc_returns_nonnull [[gnu::pure]] [[gnu::returns_nonnull]]
const char * const char *
sample_format_to_string(SampleFormat format) noexcept; sample_format_to_string(SampleFormat format) noexcept;