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stdio/lib_clearerr: Did not clear stream buffer flags in clearerr

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Stream buffer flags has a dependency with allocated buffer,
and it cannot clear without buffer operation.

Change clearerr to keep buffer flags to prevent unexpected
buffer operation.
This commit is contained in:
SPRESENSE
2020-11-27 19:46:07 +09:00
committed by Xiang Xiao
parent f7047d8ea3
commit d5f66e5583
1 changed files with 1 additions and 1 deletions
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libs/libc/stdio/lib_clearerr.c
+1 -1
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@@ -48,6 +48,6 @@
void clearerr(FAR FILE *stream) void clearerr(FAR FILE *stream)
{ {
stream->fs_flags = 0; stream->fs_flags &= (__FS_FLAG_LBF | __FS_FLAG_UBF);
} }
#endif /* CONFIG_FILE_STREAM */ #endif /* CONFIG_FILE_STREAM */