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33 lines
725 B
C
33 lines
725 B
C
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/*
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* Copyright (c) 2023 Rumbledethumps
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*
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* SPDX-License-Identifier: Zlib
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* SPDX-License-Identifier: BSD-3-Clause
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* SPDX-License-Identifier: Unlicense
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*/
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#include <rp6502.h>
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#include <errno.h>
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#include <string.h>
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unsigned char __fastcall__ _sysrename(const char *oldpath, const char *newpath)
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{
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size_t oldpathlen, newpathlen;
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oldpathlen = strlen(oldpath);
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newpathlen = strlen(newpath);
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if (oldpathlen + newpathlen > 254)
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{
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return _mappederrno(EINVAL);
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}
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while (oldpathlen)
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{
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ria_push_char(oldpath[--oldpathlen]);
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}
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ria_push_char(0);
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while (newpathlen)
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{
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ria_push_char(newpath[--newpathlen]);
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}
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return ria_call_int_errno(RIA_OP_RENAME);
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}
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