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include: Fix symbols in public headers that start with an underscore.

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Fixes #7352.
This commit is contained in:
Ryan C. Gordon 2023-02-20 11:35:30 -05:00
parent 7b06007266
commit e6e654e25c
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GPG key ID: FA148B892AB48044
2 changed files with 9 additions and 9 deletions
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14
include/begin_code.h
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@ -28,10 +28,10 @@
*/
/* This shouldn't be nested -- included it around code only. */
#ifdef _begin_code_h
#ifdef SDL_begin_code_h
#error Nested inclusion of begin_code.h
#endif
#define _begin_code_h
#define SDL_begin_code_h
#ifndef SDL_DEPRECATED
# if defined(__GNUC__) && (__GNUC__ >= 4) /* technically, this arrived in gcc 3.1, but oh well. */
@ -171,17 +171,17 @@
#define SDL_FALLTHROUGH [[fallthrough]]
#else
#if defined(__has_attribute)
#define _HAS_FALLTHROUGH __has_attribute(__fallthrough__)
#define SDL_HAS_FALLTHROUGH __has_attribute(__fallthrough__)
#else
#define _HAS_FALLTHROUGH 0
#define SDL_HAS_FALLTHROUGH 0
#endif /* __has_attribute */
#if _HAS_FALLTHROUGH && \
#if SDL_HAS_FALLTHROUGH && \
((defined(__GNUC__) && __GNUC__ >= 7) || \
(defined(__clang_major__) && __clang_major__ >= 10))
#define SDL_FALLTHROUGH __attribute__((__fallthrough__))
#else
#define SDL_FALLTHROUGH do {} while (0) /* fallthrough */
#endif /* _HAS_FALLTHROUGH */
#undef _HAS_FALLTHROUGH
#endif /* SDL_HAS_FALLTHROUGH */
#undef SDL_HAS_FALLTHROUGH
#endif /* C++17 or C2x */
#endif /* SDL_FALLTHROUGH not defined */

4
include/close_code.h
View file

@ -26,10 +26,10 @@
* after you finish any function and structure declarations in your headers
*/
#ifndef _begin_code_h
#ifndef SDL_begin_code_h
#error close_code.h included without matching begin_code.h
#endif
#undef _begin_code_h
#undef SDL_begin_code_h
/* Reset structure packing at previous byte alignment */
#if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__)