40 lines
761 B
C++
40 lines
761 B
C++
#include <fcntl.h>
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#include <errno.h>
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#include <stdarg.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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int creat(const char* path, mode_t mode)
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{
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return syscall(SYS_CREATE, path, S_IFREG | mode);
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}
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int open(const char* path, int oflag, ...)
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{
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va_list args;
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va_start(args, oflag);
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mode_t mode = va_arg(args, mode_t);
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va_end(args);
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return syscall(SYS_OPEN, path, oflag, mode);
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}
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int openat(int fd, const char* path, int oflag, ...)
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{
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va_list args;
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va_start(args, oflag);
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mode_t mode = va_arg(args, mode_t);
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va_end(args);
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return syscall(SYS_OPENAT, fd, path, oflag, mode);
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}
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int fcntl(int fildes, int cmd, ...)
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{
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va_list args;
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va_start(args, cmd);
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int extra = va_arg(args, int);
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va_end(args);
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return syscall(SYS_FCNTL, fildes, cmd, extra);
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} |