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lib/fdtable: Can call zephyr_write() only for CONFIG_NEWLIB_LIBC

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If we don't have Newlib, the more or less POSIX library, it's unclear
how to deal with POSIX stdin/stdout/stderr at all.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
This commit is contained in:
Paul Sokolovsky 2018-10-22 16:56:51 +03:00 • committed by Carles Cufí
commit 79ea613a32
1 changed files with 4 additions and 2 deletions
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lib/fdtable.c
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@ -202,10 +202,12 @@ static ssize_t stdinout_read_vmeth(void *obj, void *buffer, size_t count)
static ssize_t stdinout_write_vmeth(void *obj, const void *buffer, size_t count)
{
#ifdef CONFIG_BOARD_NATIVE_POSIX
#if defined(CONFIG_BOARD_NATIVE_POSIX)
return write(1, buffer, count);
#else
#elif defined(CONFIG_NEWLIB_LIBC)
return _impl__zephyr_write(buffer, count);
#else
return 0;
#endif
}