gotosocial/vendor/github.com/tetratelabs/wazero/internal/sysfs/oflag.go
kim 1e7b32490d
[experiment] add alternative wasm sqlite3 implementation available via build-tag (#2863)
This allows for building GoToSocial with [SQLite transpiled to WASM](https://github.com/ncruces/go-sqlite3) and accessed through [Wazero](https://wazero.io/).
2024-05-27 17:46:15 +02:00

39 lines
774 B
Go

package sysfs
import (
"os"
"github.com/tetratelabs/wazero/experimental/sys"
)
// toOsOpenFlag converts the input to the flag parameter of os.OpenFile
func toOsOpenFlag(oflag sys.Oflag) (flag int) {
// First flags are exclusive
switch oflag & (sys.O_RDONLY | sys.O_RDWR | sys.O_WRONLY) {
case sys.O_RDONLY:
flag |= os.O_RDONLY
case sys.O_RDWR:
flag |= os.O_RDWR
case sys.O_WRONLY:
flag |= os.O_WRONLY
}
// Run down the flags defined in the os package
if oflag&sys.O_APPEND != 0 {
flag |= os.O_APPEND
}
if oflag&sys.O_CREAT != 0 {
flag |= os.O_CREATE
}
if oflag&sys.O_EXCL != 0 {
flag |= os.O_EXCL
}
if oflag&sys.O_SYNC != 0 {
flag |= os.O_SYNC
}
if oflag&sys.O_TRUNC != 0 {
flag |= os.O_TRUNC
}
return withSyscallOflag(oflag, flag)
}