Red Bear OS
d28963d88e
relibc's wchar.h included <stdio.h> before defining wint_t and mbstate_t. The circular chain wchar.h → stdio.h → inttypes.h → wchar.h caused gnulib's wchar.h wrapper (used by m4, bison, etc.) to see 'unknown type name wint_t' and 'unknown type name mbstate_t'. Fix: Move stdio.h and time.h from sys_includes (which cbindgen emits before type definitions) into after_includes, after wchar_t, wint_t, and mbstate_t are defined. Also define mbstate_t manually in after_includes with a guard, and exclude it from cbindgen export to prevent duplicate definitions.
60 lines
1.4 KiB
TOML
60 lines
1.4 KiB
TOML
sys_includes = ["features.h"]
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after_includes = """
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// int32_t, uint32_t, WCHAR_MIN, WCHAR_MAX
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#include <stdint.h>
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#ifndef _WCHAR_T
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#define _WCHAR_T
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#ifndef __cplusplus
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#ifndef __WCHAR_TYPE__
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#define __WCHAR_TYPE__ int32_t
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#endif
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typedef __WCHAR_TYPE__ wchar_t;
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#endif // __cplusplus
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#endif // _WCHAR_T
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#ifndef _WINT_T
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#define _WINT_T
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#ifndef __WINT_TYPE__
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#define __WINT_TYPE__ uint32_t
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#endif
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typedef __WINT_TYPE__ wint_t;
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#endif // _WINT_T
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// Define mbstate_t before headers that may transitively re-include wchar.h.
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// The circular chain wchar.h → stdio.h → inttypes.h → wchar.h (and also
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// stdlib.h → wchar.h) would otherwise cause wint_t and mbstate_t to be
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// undefined in gnulib's wchar.h wrapper, breaking m4, bison, and other
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// gnulib-based packages.
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#ifndef _RELIBC_MBSTATE_T
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#define _RELIBC_MBSTATE_T
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typedef struct {} mbstate_t;
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#endif
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// Now include headers that depend on wchar_t/wint_t/mbstate_t.
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// These must come after the type definitions to break circular includes.
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#include <stdio.h>
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#include <time.h>
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// NULL, size_t, must come after wchar_t and wint_t
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#define __need_size_t
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#define __need_NULL
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#include <stddef.h>
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#define WEOF (0xffffffffu)
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"""
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include_guard = "_RELIBC_WCHAR_H"
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language = "C"
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style = "Type"
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no_includes = true
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cpp_compat = true
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[export]
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exclude = ["mbstate_t"]
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[export.rename]
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"tm" = "struct tm"
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[enum]
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prefix_with_name = true
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