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51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <syscalls.hpp>
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#include <memory.hpp>
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#include <lock.hpp>
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#include <exec.hpp>
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#include <errno.h>
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#include <debug.h>
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#include "../../syscalls.h"
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#include "../../kernel.h"
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using Tasking::PCB;
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using namespace Memory;
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/* https://pubs.opengroup.org/onlinepubs/009604499/functions/open.html */
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int sys_open(SysFrm *,
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const char *path,
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int oflag, mode_t mode)
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{
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const char *safe_path = nullptr;
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PCB *pcb = thisProcess;
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SmartHeap sh(512, pcb->vma);
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safe_path = (const char *)sh.Get();
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{
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SwapPT swap(pcb->PageTable);
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size_t len = strlen(path);
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memcpy((void *)safe_path, path, MAX(len, size_t(511)));
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}
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function("%s, %d, %d", safe_path, oflag, mode);
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vfs::FileDescriptorTable *fdt = pcb->FileDescriptors;
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return fdt->_open(safe_path, oflag, mode);
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}
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