#include "ansidecl.h"
#include "libiberty.h"
#include "config.h"
#ifdef HAVE_SYS_ERRLIST
#define sys_errlist sys_errlist__
#endif
#include <stdio.h>
#include <errno.h>
#ifdef HAVE_SYS_ERRLIST
#undef sys_errlist
#endif
#ifdef __STDC__
#include <stddef.h>
extern void *malloc (size_t size);
extern void *memset (void *s, int c, size_t n);
#else
extern char *malloc ();
extern char *memset ();
#endif
#ifndef MAX
# define MAX(a,b) ((a) > (b) ? (a) : (b))
#endif
static void init_error_tables PARAMS ((void));
struct error_info
{
int value;
const char *name;
#ifndef HAVE_SYS_ERRLIST
const char *msg;
#endif
};
#ifndef HAVE_SYS_ERRLIST
# define ENTRY(value, name, msg) {value, name, msg}
#else
# define ENTRY(value, name, msg) {value, name}
#endif
static const struct error_info error_table[] =
{
#if defined (EPERM)
ENTRY(EPERM, "EPERM", "Not owner"),
#endif
#if defined (ENOENT)
ENTRY(ENOENT, "ENOENT", "No such file or directory"),
#endif
#if defined (ESRCH)
ENTRY(ESRCH, "ESRCH", "No such process"),
#endif
#if defined (EINTR)
ENTRY(EINTR, "EINTR", "Interrupted system call"),
#endif
#if defined (EIO)
ENTRY(EIO, "EIO", "I/O error"),
#endif
#if defined (ENXIO)
ENTRY(ENXIO, "ENXIO", "No such device or address"),
#endif
#if defined (E2BIG)
ENTRY(E2BIG, "E2BIG", "Arg list too long"),
#endif
#if defined (ENOEXEC)
ENTRY(ENOEXEC, "ENOEXEC", "Exec format error"),
#endif
#if defined (EBADF)
ENTRY(EBADF, "EBADF", "Bad file number"),
#endif
#if defined (ECHILD)
ENTRY(ECHILD, "ECHILD", "No child processes"),
#endif
#if defined (EWOULDBLOCK)
ENTRY(EWOULDBLOCK, "EWOULDBLOCK", "Operation would block"),
#endif
#if defined (EAGAIN)
ENTRY(EAGAIN, "EAGAIN", "No more processes"),
#endif
#if defined (ENOMEM)
ENTRY(ENOMEM, "ENOMEM", "Not enough space"),
#endif
#if defined (EACCES)
ENTRY(EACCES, "EACCES", "Permission denied"),
#endif
#if defined (EFAULT)
ENTRY(EFAULT, "EFAULT", "Bad address"),
#endif
#if defined (ENOTBLK)
ENTRY(ENOTBLK, "ENOTBLK", "Block device required"),
#endif
#if defined (EBUSY)
ENTRY(EBUSY, "EBUSY", "Device busy"),
#endif
#if defined (EEXIST)
ENTRY(EEXIST, "EEXIST", "File exists"),
#endif
#if defined (EXDEV)
ENTRY(EXDEV, "EXDEV", "Cross-device link"),
#endif
#if defined (ENODEV)
ENTRY(ENODEV, "ENODEV", "No such device"),
#endif
#if defined (ENOTDIR)
ENTRY(ENOTDIR, "ENOTDIR", "Not a directory"),
#endif
#if defined (EISDIR)
ENTRY(EISDIR, "EISDIR", "Is a directory"),
#endif
#if defined (EINVAL)
ENTRY(EINVAL, "EINVAL", "Invalid argument"),
#endif
#if defined (ENFILE)
ENTRY(ENFILE, "ENFILE", "File table overflow"),
#endif
#if defined (EMFILE)
ENTRY(EMFILE, "EMFILE", "Too many open files"),
#endif
#if defined (ENOTTY)
ENTRY(ENOTTY, "ENOTTY", "Not a typewriter"),
#endif
#if defined (ETXTBSY)
ENTRY(ETXTBSY, "ETXTBSY", "Text file busy"),
#endif
#if defined (EFBIG)
ENTRY(EFBIG, "EFBIG", "File too large"),
#endif
#if defined (ENOSPC)
ENTRY(ENOSPC, "ENOSPC", "No space left on device"),
#endif
#if defined (ESPIPE)
ENTRY(ESPIPE, "ESPIPE", "Illegal seek"),
#endif
#if defined (EROFS)
ENTRY(EROFS, "EROFS", "Read-only file system"),
#endif
#if defined (EMLINK)
ENTRY(EMLINK, "EMLINK", "Too many links"),
#endif
#if defined (EPIPE)
ENTRY(EPIPE, "EPIPE", "Broken pipe"),
#endif
#if defined (EDOM)
ENTRY(EDOM, "EDOM", "Math argument out of domain of func"),
#endif
#if defined (ERANGE)
ENTRY(ERANGE, "ERANGE", "Math result not representable"),
#endif
#if defined (ENOMSG)
ENTRY(ENOMSG, "ENOMSG", "No message of desired type"),
#endif
#if defined (EIDRM)
ENTRY(EIDRM, "EIDRM", "Identifier removed"),
#endif
#if defined (ECHRNG)
ENTRY(ECHRNG, "ECHRNG", "Channel number out of range"),
#endif
#if defined (EL2NSYNC)
ENTRY(EL2NSYNC, "EL2NSYNC", "Level 2 not synchronized"),
#endif
#if defined (EL3HLT)
ENTRY(EL3HLT, "EL3HLT", "Level 3 halted"),
#endif
#if defined (EL3RST)
ENTRY(EL3RST, "EL3RST", "Level 3 reset"),
#endif
#if defined (ELNRNG)
ENTRY(ELNRNG, "ELNRNG", "Link number out of range"),
#endif
#if defined (EUNATCH)
ENTRY(EUNATCH, "EUNATCH", "Protocol driver not attached"),
#endif
#if defined (ENOCSI)
ENTRY(ENOCSI, "ENOCSI", "No CSI structure available"),
#endif
#if defined (EL2HLT)
ENTRY(EL2HLT, "EL2HLT", "Level 2 halted"),
#endif
#if defined (EDEADLK)
ENTRY(EDEADLK, "EDEADLK", "Deadlock condition"),
#endif
#if defined (ENOLCK)
ENTRY(ENOLCK, "ENOLCK", "No record locks available"),
#endif
#if defined (EBADE)
ENTRY(EBADE, "EBADE", "Invalid exchange"),
#endif
#if defined (EBADR)
ENTRY(EBADR, "EBADR", "Invalid request descriptor"),
#endif
#if defined (EXFULL)
ENTRY(EXFULL, "EXFULL", "Exchange full"),
#endif
#if defined (ENOANO)
ENTRY(ENOANO, "ENOANO", "No anode"),
#endif
#if defined (EBADRQC)
ENTRY(EBADRQC, "EBADRQC", "Invalid request code"),
#endif
#if defined (EBADSLT)
ENTRY(EBADSLT, "EBADSLT", "Invalid slot"),
#endif
#if defined (EDEADLOCK)
ENTRY(EDEADLOCK, "EDEADLOCK", "File locking deadlock error"),
#endif
#if defined (EBFONT)
ENTRY(EBFONT, "EBFONT", "Bad font file format"),
#endif
#if defined (ENOSTR)
ENTRY(ENOSTR, "ENOSTR", "Device not a stream"),
#endif
#if defined (ENODATA)
ENTRY(ENODATA, "ENODATA", "No data available"),
#endif
#if defined (ETIME)
ENTRY(ETIME, "ETIME", "Timer expired"),
#endif
#if defined (ENOSR)
ENTRY(ENOSR, "ENOSR", "Out of streams resources"),
#endif
#if defined (ENONET)
ENTRY(ENONET, "ENONET", "Machine is not on the network"),
#endif
#if defined (ENOPKG)
ENTRY(ENOPKG, "ENOPKG", "Package not installed"),
#endif
#if defined (EREMOTE)
ENTRY(EREMOTE, "EREMOTE", "Object is remote"),
#endif
#if defined (ENOLINK)
ENTRY(ENOLINK, "ENOLINK", "Link has been severed"),
#endif
#if defined (EADV)
ENTRY(EADV, "EADV", "Advertise error"),
#endif
#if defined (ESRMNT)
ENTRY(ESRMNT, "ESRMNT", "Srmount error"),
#endif
#if defined (ECOMM)
ENTRY(ECOMM, "ECOMM", "Communication error on send"),
#endif
#if defined (EPROTO)
ENTRY(EPROTO, "EPROTO", "Protocol error"),
#endif
#if defined (EMULTIHOP)
ENTRY(EMULTIHOP, "EMULTIHOP", "Multihop attempted"),
#endif
#if defined (EDOTDOT)
ENTRY(EDOTDOT, "EDOTDOT", "RFS specific error"),
#endif
#if defined (EBADMSG)
ENTRY(EBADMSG, "EBADMSG", "Not a data message"),
#endif
#if defined (ENAMETOOLONG)
ENTRY(ENAMETOOLONG, "ENAMETOOLONG", "File name too long"),
#endif
#if defined (EOVERFLOW)
ENTRY(EOVERFLOW, "EOVERFLOW", "Value too large for defined data type"),
#endif
#if defined (ENOTUNIQ)
ENTRY(ENOTUNIQ, "ENOTUNIQ", "Name not unique on network"),
#endif
#if defined (EBADFD)
ENTRY(EBADFD, "EBADFD", "File descriptor in bad state"),
#endif
#if defined (EREMCHG)
ENTRY(EREMCHG, "EREMCHG", "Remote address changed"),
#endif
#if defined (ELIBACC)
ENTRY(ELIBACC, "ELIBACC", "Can not access a needed shared library"),
#endif
#if defined (ELIBBAD)
ENTRY(ELIBBAD, "ELIBBAD", "Accessing a corrupted shared library"),
#endif
#if defined (ELIBSCN)
ENTRY(ELIBSCN, "ELIBSCN", ".lib section in a.out corrupted"),
#endif
#if defined (ELIBMAX)
ENTRY(ELIBMAX, "ELIBMAX", "Attempting to link in too many shared libraries"),
#endif
#if defined (ELIBEXEC)
ENTRY(ELIBEXEC, "ELIBEXEC", "Cannot exec a shared library directly"),
#endif
#if defined (EILSEQ)
ENTRY(EILSEQ, "EILSEQ", "Illegal byte sequence"),
#endif
#if defined (ENOSYS)
ENTRY(ENOSYS, "ENOSYS", "Operation not applicable"),
#endif
#if defined (ELOOP)
ENTRY(ELOOP, "ELOOP", "Too many symbolic links encountered"),
#endif
#if defined (ERESTART)
ENTRY(ERESTART, "ERESTART", "Interrupted system call should be restarted"),
#endif
#if defined (ESTRPIPE)
ENTRY(ESTRPIPE, "ESTRPIPE", "Streams pipe error"),
#endif
#if defined (ENOTEMPTY)
ENTRY(ENOTEMPTY, "ENOTEMPTY", "Directory not empty"),
#endif
#if defined (EUSERS)
ENTRY(EUSERS, "EUSERS", "Too many users"),
#endif
#if defined (ENOTSOCK)
ENTRY(ENOTSOCK, "ENOTSOCK", "Socket operation on non-socket"),
#endif
#if defined (EDESTADDRREQ)
ENTRY(EDESTADDRREQ, "EDESTADDRREQ", "Destination address required"),
#endif
#if defined (EMSGSIZE)
ENTRY(EMSGSIZE, "EMSGSIZE", "Message too long"),
#endif
#if defined (EPROTOTYPE)
ENTRY(EPROTOTYPE, "EPROTOTYPE", "Protocol wrong type for socket"),
#endif
#if defined (ENOPROTOOPT)
ENTRY(ENOPROTOOPT, "ENOPROTOOPT", "Protocol not available"),
#endif
#if defined (EPROTONOSUPPORT)
ENTRY(EPROTONOSUPPORT, "EPROTONOSUPPORT", "Protocol not supported"),
#endif
#if defined (ESOCKTNOSUPPORT)
ENTRY(ESOCKTNOSUPPORT, "ESOCKTNOSUPPORT", "Socket type not supported"),
#endif
#if defined (EOPNOTSUPP)
ENTRY(EOPNOTSUPP, "EOPNOTSUPP", "Operation not supported on transport endpoint"),
#endif
#if defined (EPFNOSUPPORT)
ENTRY(EPFNOSUPPORT, "EPFNOSUPPORT", "Protocol family not supported"),
#endif
#if defined (EAFNOSUPPORT)
ENTRY(EAFNOSUPPORT, "EAFNOSUPPORT", "Address family not supported by protocol"),
#endif
#if defined (EADDRINUSE)
ENTRY(EADDRINUSE, "EADDRINUSE", "Address already in use"),
#endif
#if defined (EADDRNOTAVAIL)
ENTRY(EADDRNOTAVAIL, "EADDRNOTAVAIL","Cannot assign requested address"),
#endif
#if defined (ENETDOWN)
ENTRY(ENETDOWN, "ENETDOWN", "Network is down"),
#endif
#if defined (ENETUNREACH)
ENTRY(ENETUNREACH, "ENETUNREACH", "Network is unreachable"),
#endif
#if defined (ENETRESET)
ENTRY(ENETRESET, "ENETRESET", "Network dropped connection because of reset"),
#endif
#if defined (ECONNABORTED)
ENTRY(ECONNABORTED, "ECONNABORTED", "Software caused connection abort"),
#endif
#if defined (ECONNRESET)
ENTRY(ECONNRESET, "ECONNRESET", "Connection reset by peer"),
#endif
#if defined (ENOBUFS)
ENTRY(ENOBUFS, "ENOBUFS", "No buffer space available"),
#endif
#if defined (EISCONN)
ENTRY(EISCONN, "EISCONN", "Transport endpoint is already connected"),
#endif
#if defined (ENOTCONN)
ENTRY(ENOTCONN, "ENOTCONN", "Transport endpoint is not connected"),
#endif
#if defined (ESHUTDOWN)
ENTRY(ESHUTDOWN, "ESHUTDOWN", "Cannot send after transport endpoint shutdown"),
#endif
#if defined (ETOOMANYREFS)
ENTRY(ETOOMANYREFS, "ETOOMANYREFS", "Too many references: cannot splice"),
#endif
#if defined (ETIMEDOUT)
ENTRY(ETIMEDOUT, "ETIMEDOUT", "Connection timed out"),
#endif
#if defined (ECONNREFUSED)
ENTRY(ECONNREFUSED, "ECONNREFUSED", "Connection refused"),
#endif
#if defined (EHOSTDOWN)
ENTRY(EHOSTDOWN, "EHOSTDOWN", "Host is down"),
#endif
#if defined (EHOSTUNREACH)
ENTRY(EHOSTUNREACH, "EHOSTUNREACH", "No route to host"),
#endif
#if defined (EALREADY)
ENTRY(EALREADY, "EALREADY", "Operation already in progress"),
#endif
#if defined (EINPROGRESS)
ENTRY(EINPROGRESS, "EINPROGRESS", "Operation now in progress"),
#endif
#if defined (ESTALE)
ENTRY(ESTALE, "ESTALE", "Stale NFS file handle"),
#endif
#if defined (EUCLEAN)
ENTRY(EUCLEAN, "EUCLEAN", "Structure needs cleaning"),
#endif
#if defined (ENOTNAM)
ENTRY(ENOTNAM, "ENOTNAM", "Not a XENIX named type file"),
#endif
#if defined (ENAVAIL)
ENTRY(ENAVAIL, "ENAVAIL", "No XENIX semaphores available"),
#endif
#if defined (EISNAM)
ENTRY(EISNAM, "EISNAM", "Is a named type file"),
#endif
#if defined (EREMOTEIO)
ENTRY(EREMOTEIO, "EREMOTEIO", "Remote I/O error"),
#endif
ENTRY(0, NULL, NULL)
};
#ifdef EVMSERR
static struct { int value; const char *name, *msg; }
evmserr = { EVMSERR, "EVMSERR", "VMS-specific error" };
#endif
static const char **error_names;
static int num_error_names = 0;
#ifndef HAVE_SYS_ERRLIST
static int sys_nerr;
static const char **sys_errlist;
#else
extern int sys_nerr;
extern char *sys_errlist[];
#endif
static void
init_error_tables ()
{
const struct error_info *eip;
int nbytes;
if (num_error_names == 0)
{
for (eip = error_table; eip -> name != NULL; eip++)
{
if (eip -> value >= num_error_names)
{
num_error_names = eip -> value + 1;
}
}
}
if (error_names == NULL)
{
nbytes = num_error_names * sizeof (char *);
if ((error_names = (const char **) malloc (nbytes)) != NULL)
{
memset (error_names, 0, nbytes);
for (eip = error_table; eip -> name != NULL; eip++)
{
error_names[eip -> value] = eip -> name;
}
}
}
#ifndef HAVE_SYS_ERRLIST
if (sys_errlist == NULL)
{
nbytes = num_error_names * sizeof (char *);
if ((sys_errlist = (const char **) malloc (nbytes)) != NULL)
{
memset (sys_errlist, 0, nbytes);
sys_nerr = num_error_names;
for (eip = error_table; eip -> name != NULL; eip++)
{
sys_errlist[eip -> value] = eip -> msg;
}
}
}
#endif
}
int
errno_max ()
{
int maxsize;
if (error_names == NULL)
{
init_error_tables ();
}
maxsize = MAX (sys_nerr, num_error_names);
return (maxsize - 1);
}
#ifndef HAVE_STRERROR
char *
strerror (errnoval)
int errnoval;
{
char *msg;
static char buf[32];
#ifndef HAVE_SYS_ERRLIST
if (error_names == NULL)
{
init_error_tables ();
}
#endif
if ((errnoval < 0) || (errnoval >= sys_nerr))
{
#ifdef EVMSERR
if (errnoval == evmserr.value)
msg = evmserr.msg;
else
#endif
msg = NULL;
}
else if ((sys_errlist == NULL) || (sys_errlist[errnoval] == NULL))
{
sprintf (buf, "Error %d", errnoval);
msg = buf;
}
else
{
msg = (char *) sys_errlist[errnoval];
}
return (msg);
}
#endif
const char *
strerrno (errnoval)
int errnoval;
{
const char *name;
static char buf[32];
if (error_names == NULL)
{
init_error_tables ();
}
if ((errnoval < 0) || (errnoval >= num_error_names))
{
#ifdef EVMSERR
if (errnoval == evmserr.value)
name = evmserr.name;
else
#endif
name = NULL;
}
else if ((error_names == NULL) || (error_names[errnoval] == NULL))
{
sprintf (buf, "Error %d", errnoval);
name = (const char *) buf;
}
else
{
name = error_names[errnoval];
}
return (name);
}
int
strtoerrno (name)
const char *name;
{
int errnoval = 0;
if (name != NULL)
{
if (error_names == NULL)
{
init_error_tables ();
}
for (errnoval = 0; errnoval < num_error_names; errnoval++)
{
if ((error_names[errnoval] != NULL) &&
(strcmp (name, error_names[errnoval]) == 0))
{
break;
}
}
if (errnoval == num_error_names)
{
#ifdef EVMSERR
if (strcmp (name, evmserr.name) == 0)
errnoval = evmserr.value;
else
#endif
errnoval = 0;
}
}
return (errnoval);
}
#ifdef MAIN
#include <stdio.h>
int
main ()
{
int errn;
int errnmax;
const char *name;
char *msg;
char *strerror ();
errnmax = errno_max ();
printf ("%d entries in names table.\n", num_error_names);
printf ("%d entries in messages table.\n", sys_nerr);
printf ("%d is max useful index.\n", errnmax);
for (errn = 0; errn <= errnmax; errn++)
{
name = strerrno (errn);
name = (name == NULL) ? "<NULL>" : name;
msg = strerror (errn);
msg = (msg == NULL) ? "<NULL>" : msg;
printf ("%-4d%-18s%s\n", errn, name, msg);
}
return 0;
}
#endif