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fix(stdio): ensure compatibility with newlib <3.4.0 by handling removed __sdidinit (#10791)

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loremmoqi
2025-10-13 11:45:22 +08:00
committed by GitHub
parent ae3f52de68
commit 17a796af24
1 changed files with 6 additions and 2 deletions
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8
components/libc/posix/io/stdio/stdio.c
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@@ -104,8 +104,12 @@ int rt_posix_stdio_set_console(const char* device_name, int mode)
_GLOBAL_REENT->_stderr = std_console;
}
#if (NEWLIB_VERSION_NUM < 30400U) || (NEWLIB_VERSION_NUM >= 40000U && NEWLIB_VERSION_NUM < 40300U)
_GLOBAL_REENT->__sdidinit = 1; /* __sdidinit is obselete */
#if defined(_REENT_SMALL) || !defined(__sdidinit)
/* Newlib >= 3.4.0 or small reent version: no __sdidinit field */
/* Do nothing */
#else
/* Older newlib versions (typically < 3.4.0) still define __sdidinit */
_GLOBAL_REENT->__sdidinit = 1;
#endif
}