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- package os2
- import "base:runtime"
- import "core:sys/freebsd"
- import "core:sys/posix"
- _get_executable_path :: proc(allocator: runtime.Allocator) -> (path: string, err: Error) {
- req := []freebsd.MIB_Identifier{.CTL_KERN, .KERN_PROC, .KERN_PROC_PATHNAME, freebsd.MIB_Identifier(-1)}
- size: uint
- if ret := freebsd.sysctl(req, nil, &size, nil, 0); ret != .NONE {
- err = _get_platform_error(posix.Errno(ret))
- return
- }
- assert(size > 0)
- buf := make([]byte, size, allocator) or_return
- defer if err != nil { delete(buf, allocator) }
- assert(uint(len(buf)) == size)
- if ret := freebsd.sysctl(req, raw_data(buf), &size, nil, 0); ret != .NONE {
- err = _get_platform_error(posix.Errno(ret))
- return
- }
- return string(buf[:size-1]), nil
- }
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