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Implement tbstrerror
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@ljanyst
ljanyst committed Feb 23, 2016
1 parent 8a8c6cc commit f1d9529
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138 changes: 138 additions & 0 deletions tb-utils.c
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Expand Up @@ -460,3 +460,141 @@ void list_clear(list_t *list)
free(node);
}
}

//------------------------------------------------------------------------------
// Translate errno to a message
//------------------------------------------------------------------------------
struct errinfo
{
int errno;
const char *msg;
};

static struct errinfo errors[] = {
{E2BIG, "Argument list too long"},
{EACCES, "Permission denied"},
{EADDRINUSE, "Address already in use"},
{EADDRNOTAVAIL, "Address not available"},
{EAFNOSUPPORT, "Address family not supported"},
{EAGAIN, "Resource temporarily unavailable"},
{EALREADY, "Connection already in progress"},
{EBADE, "Invalid exchange"},
{EBADF, "Bad file descriptor"},
{EBADFD, "File descriptor in bad state"},
{EBADMSG, "Bad message"},
{EBADR, "Invalid request descriptor"},
{EBADRQC, "Invalid request code"},
{EBADSLT, "Invalid slot"},
{EBUSY, "Device or resource busy"},
{ECANCELED, "Operation canceled"},
{ECHILD, "No child processes"},
{ECHRNG, "Channel number out of range"},
{ECOMM, "Communication error on send"},
{ECONNABORTED, "Connection aborted"},
{ECONNREFUSED, "Connection refused"},
{ECONNRESET, "Connection reset"},
{EDEADLK, "Resource deadlock avoided"},
{EDEADLOCK, "Synonym for EDEADLK"},
{EDESTADDRREQ, "Destination address required"},
{EDOM, "Mathematics argument out of domain of function"},
{EDQUOT, "Disk quota exceeded"},
{EEXIST, "File exists"},
{EFAULT, "Bad address"},
{EFBIG, "File too large"},
{EHOSTDOWN, "Host is down"},
{EHOSTUNREACH, "Host is unreachable"},
{EIDRM, "Identifier removed"},
{EILSEQ, "Illegal byte sequence"},
{EINPROGRESS, "Operation in progress"},
{EINTR, "Interrupted function call"},
{EINVAL, "Invalid argument"},
{EIO, "Input/output error"},
{EISCONN, "Socket is connected"},
{EISDIR, "Is a directory"},
{EISNAM, "Is a named type file"},
{EKEYEXPIRED, "Key has expired"},
{EKEYREJECTED, "Key was rejected by service"},
{EKEYREVOKED, "Key has been revoked"},
{EL2HLT, "Level 2 halted"},
{EL2NSYNC, "Level 2 not synchronized"},
{EL3HLT, "Level 3 halted"},
{EL3RST, "Level 3 halted"},
{ELIBACC, "Cannot access a needed shared library"},
{ELIBBAD, "Accessing a corrupted shared library"},
{ELIBMAX, "Attempting to link in too many shared libraries"},
{ELIBSCN, "lib section in a.out corrupted"},
{ELIBEXEC, "Cannot exec a shared library directly"},
{ELOOP, "Too many levels of symbolic links"},
{EMEDIUMTYPE, "Wrong medium type"},
{EMFILE, "Too many open files"},
{EMLINK, "Too many links"},
{EMSGSIZE, "Message too long"},
{EMULTIHOP, "Multihop attempted"},
{ENAMETOOLONG, "Filename too long"},
{ENETDOWN, "Network is down"},
{ENETRESET, "Connection aborted by network"},
{ENETUNREACH, "Network unreachable"},
{ENFILE, "Too many open files in system"},
{ENOBUFS, "No buffer space available"},
{ENODATA, "No message is available on the STREAM head read queue"},
{ENODEV, "No such device"},
{ENOENT, "No such file or directory"},
{ENOEXEC, "Exec format error"},
{ENOKEY, "Required key not available"},
{ENOLCK, "No locks available"},
{ENOLINK, "Link has been severed"},
{ENOMEDIUM, "No medium found"},
{ENOMEM, "Not enough space"},
{ENOMSG, "No message of the desired type"},
{ENONET, "Machine is not on the network"},
{ENOPKG, "Package not installed"},
{ENOPROTOOPT, "Protocol not available"},
{ENOSPC, "No space left on device"},
{ENOSR, "No STREAM resources"},
{ENOSTR, "Not a STREAM"},
{ENOSYS, "Function not implemented"},
{ENOTBLK, "Block device required"},
{ENOTCONN, "The socket is not connected"},
{ENOTDIR, "Not a directory"},
{ENOTEMPTY, "Directory not empty"},
{ENOTSOCK, "Not a socket"},
{ENOTTY, "Inappropriate I/O control operation"},
{ENOTUNIQ, "Name not unique on network"},
{ENXIO, "No such device or address"},
{EOPNOTSUPP, "Operation not supported on socket"},
{EOVERFLOW, "Value too large to be stored in data type"},
{EPERM, "Operation not permitted"},
{EPFNOSUPPORT, "Protocol family not supported"},
{EPIPE, "Broken pipe"},
{EPROTO, "Protocol error"},
{EPROTONOSUPPORT, "Protocol not supported"},
{EPROTOTYPE, "Protocol wrong type for socket"},
{ERANGE, "Result too large"},
{EREMCHG, "Remote address changed"},
{EREMOTE, "Object is remote"},
{EREMOTEIO, "Remote I/O error"},
{ERESTART, "Interrupted system call should be restarted"},
{EROFS, "Read-only filesystem"},
{ESHUTDOWN, "Cannot send after transport endpoint shutdown"},
{ESPIPE, "Invalid seek"},
{ESOCKTNOSUPPORT, "Socket type not supported"},
{ESRCH, "No such process"},
{ESTALE, "Stale file handle"},
{ESTRPIPE, "Streams pipe error"},
{ETIME, "Timer expired"},
{ETIMEDOUT, "Connection timed out"},
{ETXTBSY, "Text file busy"},
{EUCLEAN, "Structure needs cleaning"},
{EUNATCH, "Protocol driver not attached"},
{EUSERS, "Too many users"},
{EWOULDBLOCK, "Operation would block"},
{EXDEV, "Improper link"},
{EXFULL, "Exchange full"},
{0, "Unknown"}};

const char *tbstrerror(int errno)
{
int i = 0;
for(; errors[i].errno && errors[i].errno != errno; ++i);
return errors[i].msg;
}
1 change: 1 addition & 0 deletions tb.h
View file
Expand Up @@ -149,6 +149,7 @@ void *tbbrk(void *addr);

uint64_t tbtime();
uint32_t tbrandom(uint32_t *seed);
const char *tbstrerror(int errno);

//------------------------------------------------------------------------------
// Syscall interface
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