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userspace/libc: implement <sys/fcntl>

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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
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EnderIce2 2025-02-12 02:52:39 +02:00
parent b0f0982fd4
commit 97af4d855f
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Userspace/libc/src/std/fcntl.c Normal file
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/*
This file is part of Fennix C Library.
Fennix C Library is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix C Library. If not, see <https://www.gnu.org/licenses/>.
*/
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdarg.h>
#include <errno.h>
export int creat(const char *path, mode_t mode) { return open(path, O_WRONLY | O_CREAT | O_TRUNC, mode); }
export int fcntl(int fildes, int cmd, ...);
export int open(const char *path, int oflag, ...)
{
mode_t mode = 0;
if (oflag & O_CREAT)
{
va_list args;
va_start(args, oflag);
mode = va_arg(args, mode_t);
va_end(args);
}
return __check_errno(call_open(path, oflag, mode), -1);
}
export int openat(int fd, const char *path, int oflag, ...);
export int posix_fadvise(int fd, off_t offset, off_t len, int advice);
export int posix_fallocate(int fd, off_t offset, off_t len);