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37 lines
736 B
C
37 lines
736 B
C
/*
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* Copyright (C) 2020 Embecosm Limited
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <machine/syscall.h>
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#include "semihost_syscall.h"
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#include <sys/stat.h>
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#include "semihost_fdtable.h"
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/* Used by _fstat and _stat to fill in some common details. */
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int
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__stat_common (int file, struct stat *st)
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{
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int flen;
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struct fdentry *fd =__get_fdentry (file);
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long data_block[1];
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if (fd == NULL)
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return -1;
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data_block[0] = fd->handle;
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/* Assume character device and default block size of 4096. */
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st->st_mode |= S_IFCHR;
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st->st_blksize = 4096;
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/* Attempt to get length of file. */
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flen = syscall_errno (SEMIHOST_flen, data_block);
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if (flen == -1)
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return -1;
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st->st_size = flen;
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return 0;
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}
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