nx_path_v1.nx

buildroot/runtime/nx_path_v1.nx

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about

path.nx -- POSIX filesystem path manipulation. Same operations as Python's posixpath / Node's path.posix / Go's filepath: join / dirname / basename / extension / clean / absolute-check. Byte-oriented (not Unicode-aware), which matches how filesystems actually work. Forward-slash separator only. Windows backslashes fall outside the sovereign-Linux target (Milk-V Pioneer + NishiOS). Invariants: P1 Zero-alloc when possible: offsets into caller's buffer for basename/dirname/extension. Only `path_join` writes into a fresh output buffer. P2 Empty-path handling matches POSIX: dirname(\"\")=\".\" basename(\"\")=\"\" extension(\"\")=\"\". P3 Trailing slashes: dirname(\"/a/b/\")=\"/a\" matches POSIX; basename(\"/a/b/\")=\"b\" after trim.

dependencies 1 imports · 0 importers

imports: nx_syscalls.nx

imported by: nobody (leaf or entry point)

call flow from main pre-order; caps 40 nodes / depth 6 declared; ↻ = already shown

structs

none

consts

28	const PATH_ERR_SHORT: i64 = -1

functions

31	func path_last_slash(path: *u8, n: i64) -> i64 called by 2: path_basename path_dirname
42	func path_trim_trailing(path: *u8, n: i64) -> i64 called by 2: path_basename path_dirname
53	func path_basename(path: *u8, n: i64, called by 2: path_extension main calls 2: path_trim_trailing path_last_slash
77	func path_dirname(path: *u8, n: i64, called by 1: main calls 2: path_trim_trailing path_last_slash
109	func path_extension(path: *u8, n: i64, called by 1: main calls 2: sys_mmap path_basename
133	func path_is_absolute(path: *u8, n: i64) -> i64 called by 2: path_join main
141	func path_join(a: *u8, a_len: i64, called by 1: main calls 1: path_is_absolute
175	func main() -> i64 calls 6: sys_mmap path_basename path_dirname path_extension path_is_absolute path_join