1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
#include <fcntl.h> // for FD_CLOEXEC, F_SETFD, O_CLOEXEC, O_CREAT
#include <stdarg.h> // for va_arg, va_end, va_list, va_start
#include <sys/types.h> // for mode_t
#include <syscall.h> // for __syscall_3, syscall
int open(const char *path, int oflag, ...)
{
long ret;
mode_t mode = 0;
if ((oflag & O_CREAT)) {
va_list ap;
va_start(ap, oflag);
mode = va_arg(ap, mode_t);
va_end(ap);
}
ret = syscall(open, path, oflag, mode);
if (ret >= 0 && (oflag & O_CLOEXEC))
return syscall(fcntl, ret, F_SETFD, FD_CLOEXEC);
return ret;
}
|
