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error.c
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error.c
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/************************************************
error.c -
$Author$
$Date$
created at: Mon Aug 9 16:11:34 JST 1993
Copyright (C) 1993-1998 Yukihiro Matsumoto
************************************************/
#include "ruby.h"
#include "env.h"
#include <stdio.h>
#ifdef HAVE_STDARG_PROTOTYPES
#include <stdarg.h>
#define va_init_list(a,b) va_start(a,b)
#else
#include <varargs.h>
#define va_init_list(a,b) va_start(a)
#endif
#ifdef USE_CWGUSI
#include <sys/errno.h>
int sys_nerr = 256;
#endif
extern char *sourcefile;
extern int sourceline;
int nerrs;
static void
err_sprintf(buf, fmt, args)
char *buf, *fmt;
va_list args;
{
if (!sourcefile) {
vsprintf(buf, fmt, args);
}
else {
sprintf(buf, "%s:%d: ", sourcefile, sourceline);
vsprintf((char*)buf+strlen(buf), fmt, args);
}
}
static void err_append _((char*));
static void
err_print(fmt, args)
char *fmt;
va_list args;
{
char buf[BUFSIZ];
err_sprintf(buf, fmt, args);
err_append(buf);
}
void
#ifdef HAVE_STDARG_PROTOTYPES
Error(char *fmt, ...)
#else
Error(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
va_list args;
va_init_list(args, fmt);
err_print(fmt, args);
va_end(args);
nerrs++;
}
void
#ifdef HAVE_STDARG_PROTOTYPES
Error_Append(char *fmt, ...)
#else
Error_Append(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
va_list args;
char buf[BUFSIZ];
va_init_list(args, fmt);
vsprintf(buf, fmt, args);
va_end(args);
err_append(buf);
}
void
#ifdef HAVE_STDARG_PROTOTYPES
Warn(char *fmt, ...)
#else
Warn(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
char buf[BUFSIZ];
va_list args;
sprintf(buf, "warning: %s", fmt);
va_init_list(args, fmt);
err_print(buf, args);
va_end(args);
}
/* Warning() reports only in verbose mode */
void
#ifdef HAVE_STDARG_PROTOTYPES
Warning(char *fmt, ...)
#else
Warning(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
char buf[BUFSIZ];
va_list args;
if (!RTEST(verbose)) return;
sprintf(buf, "warning: %s", fmt);
va_init_list(args, fmt);
err_print(buf, args);
va_end(args);
}
void
#ifdef HAVE_STDARG_PROTOTYPES
Bug(char *fmt, ...)
#else
Bug(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
char buf[BUFSIZ];
va_list args;
sprintf(buf, "[BUG] %s", fmt);
rb_in_eval = 0;
va_init_list(args, fmt);
err_print(buf, args);
va_end(args);
abort();
}
static struct types {
int type;
char *name;
} builtin_types[] = {
T_NIL, "nil",
T_OBJECT, "Object",
T_CLASS, "Class",
T_ICLASS, "iClass", /* internal use: mixed-in module holder */
T_MODULE, "Module",
T_FLOAT, "Float",
T_STRING, "String",
T_REGEXP, "Regexp",
T_ARRAY, "Array",
T_FIXNUM, "Fixnum",
T_HASH, "Hash",
T_STRUCT, "Struct",
T_BIGNUM, "Bignum",
T_FILE, "File",
T_TRUE, "TRUE",
T_FALSE, "FALSE",
T_DATA, "Data", /* internal use: wrapped C pointers */
T_MATCH, "Match", /* data of $~ */
T_VARMAP, "Varmap", /* internal use: dynamic variables */
T_SCOPE, "Scope", /* internal use: variable scope */
T_NODE, "Node", /* internal use: syntax tree node */
-1, 0,
};
void
rb_check_type(x, t)
VALUE x;
int t;
{
struct types *type = builtin_types;
int tt = TYPE(x);
if (tt != t) {
while (type->type >= 0) {
if (type->type == t) {
char *etype;
if (NIL_P(x)) {
etype = "nil";
}
else if (FIXNUM_P(x)) {
etype = "Fixnum";
}
else if (rb_special_const_p(x)) {
etype = RSTRING(obj_as_string(x))->ptr;
}
else {
etype = rb_class2name(CLASS_OF(x));
}
TypeError("wrong argument type %s (expected %s)",
etype, type->name);
}
type++;
}
Bug("unknown type 0x%x", t);
}
}
/* exception classes */
#include "errno.h"
extern VALUE cString;
VALUE eException;
VALUE eSystemExit, eInterrupt, eFatal;
VALUE eStandardError;
VALUE eRuntimeError;
VALUE eSyntaxError;
VALUE eTypeError;
VALUE eArgError;
VALUE eNameError;
VALUE eIndexError;
VALUE eLoadError;
VALUE eSecurityError;
VALUE eNotImpError;
VALUE eSystemCallError;
VALUE mErrno;
VALUE
exc_new(etype, ptr, len)
VALUE etype;
char *ptr;
unsigned len;
{
VALUE exc = obj_alloc(etype);
rb_iv_set(exc, "mesg", str_new(ptr, len));
return exc;
}
VALUE
exc_new2(etype, s)
VALUE etype;
char *s;
{
return exc_new(etype, s, strlen(s));
}
VALUE
exc_new3(etype, str)
VALUE etype, str;
{
char *s;
int len;
s = str2cstr(str, &len);
return exc_new(etype, s, len);
}
static VALUE
exc_initialize(argc, argv, exc)
int argc;
VALUE *argv;
VALUE exc;
{
VALUE mesg;
rb_scan_args(argc, argv, "01", &mesg);
if (NIL_P(mesg)) {
mesg = str_new(0, 0);
}
else {
STR2CSTR(mesg); /* ensure mesg can be converted to String */
}
rb_iv_set(exc, "mesg", mesg);
return exc;
}
static VALUE
exc_new_method(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
VALUE etype, exc;
if (argc == 1 && self == argv[0]) return self;
etype = CLASS_OF(self);
while (FL_TEST(etype, FL_SINGLETON)) {
etype = RCLASS(etype)->super;
}
exc = obj_alloc(etype);
obj_call_init(exc);
return exc;
}
static VALUE
exc_to_s(exc)
VALUE exc;
{
return rb_iv_get(exc, "mesg");
}
static VALUE
exc_inspect(exc)
VALUE exc;
{
VALUE str, klass;
klass = CLASS_OF(exc);
exc = obj_as_string(exc);
if (RSTRING(exc)->len == 0) {
return str_dup(rb_class_path(klass));
}
str = str_new2("#<");
klass = rb_class_path(klass);
str_concat(str, klass);
str_cat(str, ":", 1);
str_concat(str, exc);
str_cat(str, ">", 1);
return str;
}
static VALUE
exc_backtrace(exc)
VALUE exc;
{
return rb_iv_get(exc, "bt");
}
static VALUE
check_backtrace(bt)
VALUE bt;
{
int i;
static char *err = "backtrace must be Array of String";
if (!NIL_P(bt)) {
int t = TYPE(bt);
if (t == T_STRING) return ary_new3(1, bt);
if (t != T_ARRAY) {
TypeError(err);
}
for (i=0;i<RARRAY(bt)->len;i++) {
if (TYPE(RARRAY(bt)->ptr[i]) != T_STRING) {
TypeError(err);
}
}
}
return bt;
}
static VALUE
exc_set_backtrace(exc, bt)
VALUE exc;
{
return rb_iv_set(exc, "bt", check_backtrace(bt));
}
static VALUE
exception(argc, argv)
int argc;
VALUE *argv;
{
VALUE v = Qnil;
VALUE etype = eStandardError;
int i;
ID id;
if (argc == 0) {
ArgError("wrong # of arguments");
}
Warn("Exception() is now obsolete");
if (TYPE(argv[argc-1]) == T_CLASS) {
etype = argv[argc-1];
argc--;
if (!rb_funcall(etype, '<', 1, eException)) {
TypeError("exception should be subclass of Exception");
}
}
for (i=0; i<argc; i++) { /* argument check */
id = rb_to_id(argv[i]);
if (!rb_is_const_id(id)) {
ArgError("identifier `%s' needs to be constant", rb_id2name(id));
}
if (!rb_id2name(id)) {
ArgError("argument needs to be symbol or string");
}
}
for (i=0; i<argc; i++) {
v = rb_define_class_under(the_class,
rb_id2name(rb_to_id(argv[i])),
eStandardError);
}
return v;
}
#ifdef __BEOS__
typedef struct {
VALUE *list;
size_t n;
} syserr_list_entry;
typedef struct {
int ix;
size_t n;
} syserr_index_entry;
static VALUE syserr_list_b_general[16+1];
static VALUE syserr_list_b_os0[2+1];
static VALUE syserr_list_b_os1[5+1];
static VALUE syserr_list_b_os2[2+1];
static VALUE syserr_list_b_os3[3+1];
static VALUE syserr_list_b_os4[1+1];
static VALUE syserr_list_b_app[15+1];
static VALUE syserr_list_b_interface[0+1];
static VALUE syserr_list_b_media[8+1];
static VALUE syserr_list_b_midi[0+1];
static VALUE syserr_list_b_storage[15+1];
static VALUE syserr_list_b_posix[38+1];
static VALUE syserr_list_b_mail[8+1];
static VALUE syserr_list_b_print[1+1];
static VALUE syserr_list_b_device[14+1];
# define SYSERR_LIST_B(n) {(n), sizeof(n)/sizeof(VALUE)}
static const syserr_list_entry syserr_list[] = {
SYSERR_LIST_B(syserr_list_b_general),
SYSERR_LIST_B(syserr_list_b_os0),
SYSERR_LIST_B(syserr_list_b_os1),
SYSERR_LIST_B(syserr_list_b_os2),
SYSERR_LIST_B(syserr_list_b_os3),
SYSERR_LIST_B(syserr_list_b_os4),
SYSERR_LIST_B(syserr_list_b_app),
SYSERR_LIST_B(syserr_list_b_interface),
SYSERR_LIST_B(syserr_list_b_media),
SYSERR_LIST_B(syserr_list_b_midi),
SYSERR_LIST_B(syserr_list_b_storage),
SYSERR_LIST_B(syserr_list_b_posix),
SYSERR_LIST_B(syserr_list_b_mail),
SYSERR_LIST_B(syserr_list_b_print),
SYSERR_LIST_B(syserr_list_b_device),
};
# undef SYSERR_LIST_B
static const syserr_index_entry syserr_index[]= {
{0, 1}, {1, 5}, {6, 1}, {7, 1}, {8, 1}, {9, 1}, {10, 1}, {11, 1},
{12, 1}, {13, 1}, {14, 1}, {0, 0},
};
#else
static VALUE *syserr_list;
#endif
#ifndef NT
extern int sys_nerr;
#endif
static VALUE
set_syserr(i, name)
int i;
char *name;
{
#ifdef __BEOS__
VALUE *list;
int ix, offset;
#endif
VALUE error = rb_define_class_under(mErrno, name, eSystemCallError);
rb_define_const(error, "Errno", INT2FIX(i));
#ifdef __BEOS__
i -= B_GENERAL_ERROR_BASE;
ix = (i >> 12) & 0xf;
offset = (i >> 8) & 0xf;
if (offset < syserr_index[ix].n) {
ix = syserr_index[ix].ix;
if ((i & 0xff) < syserr_list[ix + offset].n) {
list = syserr_list[ix + offset].list;
list[i & 0xff] = error;
rb_global_variable(&list[i & 0xff]);
}
}
#else
if (i <= sys_nerr) {
syserr_list[i] = error;
}
#endif
return error;
}
static VALUE
syserr_errno(self)
VALUE self;
{
return rb_iv_get(self, "errno");
}
#ifdef __BEOS__
static VALUE
get_syserr(int i)
{
VALUE *list;
int ix, offset;
i -= B_GENERAL_ERROR_BASE;
ix = (i >> 12) & 0xf;
offset = (i >> 8) & 0xf;
if (offset < syserr_index[ix].n) {
ix = syserr_index[ix].ix;
if ((i & 0xff) < syserr_list[ix + offset].n) {
list = syserr_list[ix + offset].list;
return list[i & 0xff];
}
}
return 0;
}
#endif /* __BEOS__ */
static void init_syserr _((void));
void
Init_Exception()
{
eException = rb_define_class("Exception", cObject);
rb_define_method(eException, "new", exc_new_method, -1);
rb_define_method(eException, "initialize", exc_initialize, -1);
rb_define_method(eException, "to_s", exc_to_s, 0);
rb_define_method(eException, "to_str", exc_to_s, 0);
rb_define_method(eException, "message", exc_to_s, 0);
rb_define_method(eException, "inspect", exc_inspect, 0);
rb_define_method(eException, "backtrace", exc_backtrace, 0);
rb_define_method(eException, "set_backtrace", exc_set_backtrace, 1);
eSystemExit = rb_define_class("SystemExit", eException);
eFatal = rb_define_class("fatal", eException);
eInterrupt = rb_define_class("Interrupt", eException);
eStandardError = rb_define_class("StandardError", eException);
eSyntaxError = rb_define_class("SyntaxError", eStandardError);
eTypeError = rb_define_class("TypeError", eStandardError);
eArgError = rb_define_class("ArgumentError", eStandardError);
eNameError = rb_define_class("NameError", eStandardError);
eIndexError = rb_define_class("IndexError", eStandardError);
eLoadError = rb_define_class("LoadError", eStandardError);
eRuntimeError = rb_define_class("RuntimeError", eStandardError);
eSecurityError = rb_define_class("SecurityError", eStandardError);
eNotImpError = rb_define_class("NotImplementError", eException);
init_syserr();
rb_define_global_function("Exception", exception, -1);
}
#define RAISE_ERROR(klass,fmt) {\
va_list args;\
char buf[BUFSIZ];\
va_init_list(args,fmt);\
vsprintf(buf, fmt, args);\
va_end(args);\
rb_raise(exc_new2(klass, buf));\
}
void
#ifdef HAVE_STDARG_PROTOTYPES
Raise(VALUE exc, char *fmt, ...)
#else
Raise(exc, fmt, va_alist)
VALUE exc;
char *fmt;
va_dcl
#endif
{
RAISE_ERROR(exc, fmt);
}
void
#ifdef HAVE_STDARG_PROTOTYPES
TypeError(char *fmt, ...)
#else
TypeError(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
RAISE_ERROR(eTypeError, fmt);
}
void
#ifdef HAVE_STDARG_PROTOTYPES
ArgError(char *fmt, ...)
#else
ArgError(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
RAISE_ERROR(eArgError, fmt);
}
void
#ifdef HAVE_STDARG_PROTOTYPES
NameError(char *fmt, ...)
#else
NameError(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
RAISE_ERROR(eNameError, fmt);
}
void
#ifdef HAVE_STDARG_PROTOTYPES
IndexError(char *fmt, ...)
#else
IndexError(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
RAISE_ERROR(eIndexError, fmt);
}
void
#ifdef HAVE_STDARG_PROTOTYPES
Fail(char *fmt, ...)
#else
Fail(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
RAISE_ERROR(eRuntimeError, fmt);
}
void
rb_notimplement()
{
Raise(eNotImpError,
"The %s() function is unimplemented on this machine",
rb_id2name(the_frame->last_func));
}
void
#ifdef HAVE_STDARG_PROTOTYPES
LoadError(char *fmt, ...)
#else
LoadError(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
RAISE_ERROR(eLoadError, fmt);
}
void
#ifdef HAVE_STDARG_PROTOTYPES
Fatal(char *fmt, ...)
#else
Fatal(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
va_list args;
char buf[BUFSIZ];
va_init_list(args, fmt);
vsprintf(buf, fmt, args);
va_end(args);
rb_in_eval = 0;
rb_fatal(exc_new2(eFatal, buf));
}
void
rb_sys_fail(mesg)
char *mesg;
{
#ifndef NT
char *strerror();
#endif
char *err;
char *buf;
extern int errno;
int n = errno;
VALUE ee;
err = strerror(errno);
if (mesg) {
buf = ALLOCA_N(char, strlen(err)+strlen(mesg)+1);
sprintf(buf, "%s - %s", err, mesg);
}
else {
buf = ALLOCA_N(char, strlen(err)+1);
sprintf(buf, "%s", err);
}
errno = 0;
#ifdef __BEOS__
ee = get_syserr(n);
if (!ee) {
char name[6];
sprintf(name, "E%03d", n);
ee = set_syserr(n, name);
}
#else
# ifdef USE_CWGUSI
if (n < 0) {
int macoserr_index = sys_nerr - 1;
if (!syserr_list[macoserr_index]) {
char name[6];
sprintf(name, "E%03d", macoserr_index);
ee = set_syserr(macoserr_index, name);
}
}
else
#endif /* USE_CWGUSI */
if (n > sys_nerr || !syserr_list[n]) {
char name[6];
sprintf(name, "E%03d", n);
ee = set_syserr(n, name);
}
else {
ee = syserr_list[n];
}
ee = exc_new2(ee, buf);
#endif
rb_iv_set(ee, "errno", INT2FIX(n));
rb_raise(ee);
}
static void
init_syserr()
{
#ifdef __BEOS__
int i, ix, offset;
#endif
eSystemCallError = rb_define_class("SystemCallError", eStandardError);
rb_define_method(eSystemCallError, "errno", syserr_errno, 0);
mErrno = rb_define_module("Errno");
#ifdef __BEOS__
for (i = 0; syserr_index[i].n != 0; i++) {
ix = syserr_index[i].ix;
for (offset = 0; offset < syserr_index[i].n; offset++) {
MEMZERO(syserr_list[ix + offset].list, VALUE, syserr_list[ix + offset].n);
}
}
#else
syserr_list = ALLOC_N(VALUE, sys_nerr+1);
MEMZERO(syserr_list, VALUE, sys_nerr+1);
#endif
#ifdef EPERM
set_syserr(EPERM, "EPERM");
#endif
#ifdef ENOENT
set_syserr(ENOENT, "ENOENT");
#endif
#ifdef ESRCH
set_syserr(ESRCH, "ESRCH");
#endif
#ifdef EINTR
set_syserr(EINTR, "EINTR");
#endif
#ifdef EIO
set_syserr(EIO, "EIO");
#endif
#ifdef ENXIO
set_syserr(ENXIO, "ENXIO");
#endif
#ifdef E2BIG
set_syserr(E2BIG, "E2BIG");
#endif
#ifdef ENOEXEC
set_syserr(ENOEXEC, "ENOEXEC");
#endif
#ifdef EBADF
set_syserr(EBADF, "EBADF");
#endif
#ifdef ECHILD
set_syserr(ECHILD, "ECHILD");
#endif
#ifdef EAGAIN
set_syserr(EAGAIN, "EAGAIN");
#endif
#ifdef ENOMEM
set_syserr(ENOMEM, "ENOMEM");
#endif
#ifdef EACCES
set_syserr(EACCES, "EACCES");
#endif
#ifdef EFAULT
set_syserr(EFAULT, "EFAULT");
#endif
#ifdef ENOTBLK
set_syserr(ENOTBLK, "ENOTBLK");
#endif
#ifdef EBUSY
set_syserr(EBUSY, "EBUSY");
#endif
#ifdef EEXIST
set_syserr(EEXIST, "EEXIST");
#endif
#ifdef EXDEV
set_syserr(EXDEV, "EXDEV");
#endif
#ifdef ENODEV
set_syserr(ENODEV, "ENODEV");
#endif
#ifdef ENOTDIR
set_syserr(ENOTDIR, "ENOTDIR");
#endif
#ifdef EISDIR
set_syserr(EISDIR, "EISDIR");
#endif
#ifdef EINVAL
set_syserr(EINVAL, "EINVAL");
#endif
#ifdef ENFILE
set_syserr(ENFILE, "ENFILE");
#endif
#ifdef EMFILE
set_syserr(EMFILE, "EMFILE");
#endif
#ifdef ENOTTY
set_syserr(ENOTTY, "ENOTTY");
#endif
#ifdef ETXTBSY
set_syserr(ETXTBSY, "ETXTBSY");
#endif
#ifdef EFBIG
set_syserr(EFBIG, "EFBIG");
#endif
#ifdef ENOSPC
set_syserr(ENOSPC, "ENOSPC");
#endif
#ifdef ESPIPE
set_syserr(ESPIPE, "ESPIPE");
#endif
#ifdef EROFS
set_syserr(EROFS, "EROFS");
#endif
#ifdef EMLINK
set_syserr(EMLINK, "EMLINK");
#endif
#ifdef EPIPE
set_syserr(EPIPE, "EPIPE");
#endif
#ifdef EDOM
set_syserr(EDOM, "EDOM");
#endif
#ifdef ERANGE
set_syserr(ERANGE, "ERANGE");
#endif
#ifdef EDEADLK
set_syserr(EDEADLK, "EDEADLK");
#endif
#ifdef ENAMETOOLONG
set_syserr(ENAMETOOLONG, "ENAMETOOLONG");
#endif
#ifdef ENOLCK
set_syserr(ENOLCK, "ENOLCK");
#endif
#ifdef ENOSYS
set_syserr(ENOSYS, "ENOSYS");
#endif
#ifdef ENOTEMPTY
set_syserr(ENOTEMPTY, "ENOTEMPTY");
#endif
#ifdef ELOOP
set_syserr(ELOOP, "ELOOP");
#endif
#ifdef EWOULDBLOCK
set_syserr(EWOULDBLOCK, "EWOULDBLOCK");
#endif
#ifdef ENOMSG
set_syserr(ENOMSG, "ENOMSG");
#endif
#ifdef EIDRM
set_syserr(EIDRM, "EIDRM");
#endif
#ifdef ECHRNG
set_syserr(ECHRNG, "ECHRNG");
#endif
#ifdef EL2NSYNC
set_syserr(EL2NSYNC, "EL2NSYNC");
#endif
#ifdef EL3HLT
set_syserr(EL3HLT, "EL3HLT");
#endif
#ifdef EL3RST
set_syserr(EL3RST, "EL3RST");
#endif
#ifdef ELNRNG
set_syserr(ELNRNG, "ELNRNG");
#endif
#ifdef EUNATCH
set_syserr(EUNATCH, "EUNATCH");
#endif
#ifdef ENOCSI
set_syserr(ENOCSI, "ENOCSI");
#endif
#ifdef EL2HLT
set_syserr(EL2HLT, "EL2HLT");
#endif
#ifdef EBADE
set_syserr(EBADE, "EBADE");
#endif
#ifdef EBADR
set_syserr(EBADR, "EBADR");
#endif
#ifdef EXFULL
set_syserr(EXFULL, "EXFULL");
#endif
#ifdef ENOANO
set_syserr(ENOANO, "ENOANO");
#endif
#ifdef EBADRQC
set_syserr(EBADRQC, "EBADRQC");
#endif
#ifdef EBADSLT
set_syserr(EBADSLT, "EBADSLT");
#endif
#ifdef EDEADLOCK
set_syserr(EDEADLOCK, "EDEADLOCK");
#endif
#ifdef EBFONT
set_syserr(EBFONT, "EBFONT");
#endif
#ifdef ENOSTR
set_syserr(ENOSTR, "ENOSTR");
#endif
#ifdef ENODATA
set_syserr(ENODATA, "ENODATA");
#endif
#ifdef ETIME
set_syserr(ETIME, "ETIME");
#endif
#ifdef ENOSR
set_syserr(ENOSR, "ENOSR");
#endif
#ifdef ENONET
set_syserr(ENONET, "ENONET");
#endif
#ifdef ENOPKG
set_syserr(ENOPKG, "ENOPKG");
#endif
#ifdef EREMOTE
set_syserr(EREMOTE, "EREMOTE");
#endif
#ifdef ENOLINK
set_syserr(ENOLINK, "ENOLINK");
#endif
#ifdef EADV
set_syserr(EADV, "EADV");
#endif
#ifdef ESRMNT
set_syserr(ESRMNT, "ESRMNT");
#endif
#ifdef ECOMM
set_syserr(ECOMM, "ECOMM");
#endif
#ifdef EPROTO
set_syserr(EPROTO, "EPROTO");
#endif
#ifdef EMULTIHOP
set_syserr(EMULTIHOP, "EMULTIHOP");
#endif
#ifdef EDOTDOT
set_syserr(EDOTDOT, "EDOTDOT");
#endif
#ifdef EBADMSG
set_syserr(EBADMSG, "EBADMSG");
#endif
#ifdef EOVERFLOW
set_syserr(EOVERFLOW, "EOVERFLOW");
#endif
#ifdef ENOTUNIQ
set_syserr(ENOTUNIQ, "ENOTUNIQ");
#endif
#ifdef EBADFD
set_syserr(EBADFD, "EBADFD");
#endif