#!/usr/bin/env python


def print_errnos(txtlists: list[str]) -> None:
    print(
        f"/* Generated by `./9p/linux-errno.h.gen {' '.join(txtlists)}`.  DO NOT EDIT!  */"
    )
    errnos: dict[str, int] = {}
    for txtlist in sys.argv[1:]:
        with open(txtlist, "r") as fh:
            for line in fh:
                if line.startswith("#"):
                    print(f"/* {line[1:].strip()}  */")
                    continue
                _num, name = line.split(maxsplit=1)
                num = int(_num)
                name = name.strip()
                errnos[name] = int(num)
                namelen = max(len(name) for name in errnos.keys())
    print()
    print("#ifndef _9P_LINUX_ERRNO_H_")
    print("#define _9P_LINUX_ERRNO_H_")
    print()
    for name in errnos:
        print(f"#define LINUX_{name.ljust(namelen)}  {errnos[name]}")
    print()
    print("#endif /* _9P_LINUX_ERRNO_H_ */")


if __name__ == "__main__":
    import sys

    print_errnos(sys.argv[1:])