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mpv/osdep/compiler.h

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Move compat/ and bstr/ directory contents somewhere else bstr.c doesn't really deserve its own directory, and compat had just a few files, most of which may as well be in osdep. There isn't really any justification for these extra directories, so get rid of them. The compat/libav.h was empty - just delete it. We changed our approach to API compatibility, and will likely not need it anymore.
2014-08-29 10:09:04 +00:00
#ifndef MPV_COMPILER_H
#define MPV_COMPILER_H
#define MP_EXPAND_ARGS(...) __VA_ARGS__
osdep/compiler: clang also recognizes those attributes
2024-05-01 19:46:12 +00:00
#if defined(__GNUC__) || defined(__clang__)
osdep/compiler.h: change license to LGPL This didn't have a header and this was implied LGPL, but this was not entirely correct. It turns out the printf attribute code was leaked in from talloc, which is "LGPL v3 or later". talloc was added to the mplayer2 code base in 27a30e310e1. This remaining code was an oversight. Since we want to reduce LGPL v3 code, replace this code with the one from ta/ta.h. This code was explicitly written newly to get rid of talloc and its license in 0933f12d28e.
2017-05-08 11:11:46 +00:00
#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format(printf, a1, a2)))
various: add more format specifiers checks
2024-06-25 03:03:12 +00:00
#define SCANF_ATTRIBUTE(a1, a2) __attribute__ ((format(scanf, a1, a2)))
Move compat/ and bstr/ directory contents somewhere else bstr.c doesn't really deserve its own directory, and compat had just a few files, most of which may as well be in osdep. There isn't really any justification for these extra directories, so get rid of them. The compat/libav.h was empty - just delete it. We changed our approach to API compatibility, and will likely not need it anymore.
2014-08-29 10:09:04 +00:00
#define MP_NORETURN __attribute__((noreturn))
osdep: add MP_FALLTHROUGH
2023-01-29 12:28:08 +00:00
#define MP_FALLTHROUGH __attribute__((fallthrough))
audio: introduce ao_read_data_nonblocking() This behaves similar to ao_read_data() but does not block and may return partial data.
2023-11-05 07:58:15 +00:00
#define MP_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
Move compat/ and bstr/ directory contents somewhere else bstr.c doesn't really deserve its own directory, and compat had just a few files, most of which may as well be in osdep. There isn't really any justification for these extra directories, so get rid of them. The compat/libav.h was empty - just delete it. We changed our approach to API compatibility, and will likely not need it anymore.
2014-08-29 10:09:04 +00:00
#else
#define PRINTF_ATTRIBUTE(a1, a2)
various: add more format specifiers checks
2024-06-25 03:03:12 +00:00
#define SCANF_ATTRIBUTE(a1, a2)
Move compat/ and bstr/ directory contents somewhere else bstr.c doesn't really deserve its own directory, and compat had just a few files, most of which may as well be in osdep. There isn't really any justification for these extra directories, so get rid of them. The compat/libav.h was empty - just delete it. We changed our approach to API compatibility, and will likely not need it anymore.
2014-08-29 10:09:04 +00:00
#define MP_NORETURN
osdep: add MP_FALLTHROUGH
2023-01-29 12:28:08 +00:00
#define MP_FALLTHROUGH do {} while (0)
audio: introduce ao_read_data_nonblocking() This behaves similar to ao_read_data() but does not block and may return partial data.
2023-11-05 07:58:15 +00:00
#define MP_WARN_UNUSED_RESULT
Move compat/ and bstr/ directory contents somewhere else bstr.c doesn't really deserve its own directory, and compat had just a few files, most of which may as well be in osdep. There isn't really any justification for these extra directories, so get rid of them. The compat/libav.h was empty - just delete it. We changed our approach to API compatibility, and will likely not need it anymore.
2014-08-29 10:09:04 +00:00
#endif
osdep/compiler.h: change license to LGPL This didn't have a header and this was implied LGPL, but this was not entirely correct. It turns out the printf attribute code was leaked in from talloc, which is "LGPL v3 or later". talloc was added to the mplayer2 code base in 27a30e310e1. This remaining code was an oversight. Since we want to reduce LGPL v3 code, replace this code with the one from ta/ta.h. This code was explicitly written newly to get rid of talloc and its license in 0933f12d28e.
2017-05-08 11:11:46 +00:00
// Broken crap with __USE_MINGW_ANSI_STDIO
#if defined(__MINGW32__) && defined(__GNUC__) && !defined(__clang__)
#undef PRINTF_ATTRIBUTE
#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (gnu_printf, a1, a2)))
#endif
osdep: add MP_UNREACHABLE This seems to work on gcc, clang and mingw as-is, but I made it conditional on __GNUC__ just in case, even though I can't figure out which compilers we care about that don't export this define. Also replace all instances of assert(0) in the code by MP_UNREACHABLE(), which is a strict improvement.
2021-10-25 08:49:11 +00:00
#ifdef __GNUC__
osdep: rename MP_UNREACHABLE It was pointed out on IRC that the name is misleading, since the actual semantics of the macro is to assert first.
2021-11-03 14:15:20 +00:00
#define MP_ASSERT_UNREACHABLE() (assert(!"unreachable"), __builtin_unreachable())
osdep: add MP_UNREACHABLE This seems to work on gcc, clang and mingw as-is, but I made it conditional on __GNUC__ just in case, even though I can't figure out which compilers we care about that don't export this define. Also replace all instances of assert(0) in the code by MP_UNREACHABLE(), which is a strict improvement.
2021-10-25 08:49:11 +00:00
#else
osdep: rename MP_UNREACHABLE It was pointed out on IRC that the name is misleading, since the actual semantics of the macro is to assert first.
2021-11-03 14:15:20 +00:00
#define MP_ASSERT_UNREACHABLE() (assert(!"unreachable"), abort())
osdep: add MP_UNREACHABLE This seems to work on gcc, clang and mingw as-is, but I made it conditional on __GNUC__ just in case, even though I can't figure out which compilers we care about that don't export this define. Also replace all instances of assert(0) in the code by MP_UNREACHABLE(), which is a strict improvement.
2021-10-25 08:49:11 +00:00
#endif
Move compat/ and bstr/ directory contents somewhere else bstr.c doesn't really deserve its own directory, and compat had just a few files, most of which may as well be in osdep. There isn't really any justification for these extra directories, so get rid of them. The compat/libav.h was empty - just delete it. We changed our approach to API compatibility, and will likely not need it anymore.
2014-08-29 10:09:04 +00:00
#endif