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libfread: Fixed error flag when reading a write-only file.

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Fotis Panagiotopoulos 2022-10-18 11:39:52 +03:00 committed by Xiang Xiao
parent 6b31918b42
commit 10d6de46e6
1 changed files with 7 additions and 1 deletions
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8
libs/libc/stdio/lib_libfread.c
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@ -55,11 +55,17 @@ ssize_t lib_fread(FAR void *ptr, size_t count, FAR FILE *stream)
/* Make sure that reading from this stream is allowed */
if (!stream || (stream->fs_oflags & O_RDOK) == 0)
if (!stream)
{
_NX_SETERRNO(EBADF);
return ERROR;
}
else if ((stream->fs_oflags & O_RDOK) == 0)
{
stream->fs_flags |= __FS_FLAG_ERROR;
_NX_SETERRNO(EBADF);
return ERROR;
}
else
{
/* The stream must be stable until we complete the read */