diff options
Diffstat (limited to 'tests/strerror.c')
-rw-r--r-- | tests/strerror.c | 353 |
1 files changed, 315 insertions, 38 deletions
diff --git a/tests/strerror.c b/tests/strerror.c index adba738b..b0df7784 100644 --- a/tests/strerror.c +++ b/tests/strerror.c @@ -1,6 +1,6 @@ /* strerror.c --- POSIX compatible system error routine - Copyright (C) 2007-2015 Free Software Foundation, Inc. + Copyright (C) 2007-2010 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,54 +17,331 @@ #include <config.h> -/* Specification. */ #include <string.h> -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> +#if REPLACE_STRERROR + +# include <errno.h> +# include <stdio.h> + +# if GNULIB_defined_ESOCK /* native Windows platforms */ +# if HAVE_WINSOCK2_H +# include <winsock2.h> +# endif +# endif -#include "intprops.h" -#include "strerror-override.h" -#include "verify.h" +# include "intprops.h" -/* Use the system functions, not the gnulib overrides in this file. */ -#undef sprintf +# undef strerror +# if ! HAVE_DECL_STRERROR +# define strerror(n) NULL +# endif char * -strerror (int n) -#undef strerror +rpl_strerror (int n) { - static char buf[STACKBUF_LEN]; - size_t len; + char const *msg = NULL; + /* These error messages are taken from glibc/sysdeps/gnu/errlist.c. */ + switch (n) + { +# if GNULIB_defined_ETXTBSY + case ETXTBSY: + msg = "Text file busy"; + break; +# endif - /* Cast away const, due to the historical signature of strerror; - callers should not be modifying the string. */ - const char *msg = strerror_override (n); - if (msg) - return (char *) msg; +# if GNULIB_defined_ESOCK /* native Windows platforms */ + /* EWOULDBLOCK is the same as EAGAIN. */ + case EINPROGRESS: + msg = "Operation now in progress"; + break; + case EALREADY: + msg = "Operation already in progress"; + break; + case ENOTSOCK: + msg = "Socket operation on non-socket"; + break; + case EDESTADDRREQ: + msg = "Destination address required"; + break; + case EMSGSIZE: + msg = "Message too long"; + break; + case EPROTOTYPE: + msg = "Protocol wrong type for socket"; + break; + case ENOPROTOOPT: + msg = "Protocol not available"; + break; + case EPROTONOSUPPORT: + msg = "Protocol not supported"; + break; + case ESOCKTNOSUPPORT: + msg = "Socket type not supported"; + break; + case EOPNOTSUPP: + msg = "Operation not supported"; + break; + case EPFNOSUPPORT: + msg = "Protocol family not supported"; + break; + case EAFNOSUPPORT: + msg = "Address family not supported by protocol"; + break; + case EADDRINUSE: + msg = "Address already in use"; + break; + case EADDRNOTAVAIL: + msg = "Cannot assign requested address"; + break; + case ENETDOWN: + msg = "Network is down"; + break; + case ENETUNREACH: + msg = "Network is unreachable"; + break; + case ENETRESET: + msg = "Network dropped connection on reset"; + break; + case ECONNABORTED: + msg = "Software caused connection abort"; + break; + case ECONNRESET: + msg = "Connection reset by peer"; + break; + case ENOBUFS: + msg = "No buffer space available"; + break; + case EISCONN: + msg = "Transport endpoint is already connected"; + break; + case ENOTCONN: + msg = "Transport endpoint is not connected"; + break; + case ESHUTDOWN: + msg = "Cannot send after transport endpoint shutdown"; + break; + case ETOOMANYREFS: + msg = "Too many references: cannot splice"; + break; + case ETIMEDOUT: + msg = "Connection timed out"; + break; + case ECONNREFUSED: + msg = "Connection refused"; + break; + case ELOOP: + msg = "Too many levels of symbolic links"; + break; + case EHOSTDOWN: + msg = "Host is down"; + break; + case EHOSTUNREACH: + msg = "No route to host"; + break; + case EPROCLIM: + msg = "Too many processes"; + break; + case EUSERS: + msg = "Too many users"; + break; + case EDQUOT: + msg = "Disk quota exceeded"; + break; + case ESTALE: + msg = "Stale NFS file handle"; + break; + case EREMOTE: + msg = "Object is remote"; + break; +# if HAVE_WINSOCK2_H + /* WSA_INVALID_HANDLE maps to EBADF */ + /* WSA_NOT_ENOUGH_MEMORY maps to ENOMEM */ + /* WSA_INVALID_PARAMETER maps to EINVAL */ + case WSA_OPERATION_ABORTED: + msg = "Overlapped operation aborted"; + break; + case WSA_IO_INCOMPLETE: + msg = "Overlapped I/O event object not in signaled state"; + break; + case WSA_IO_PENDING: + msg = "Overlapped operations will complete later"; + break; + /* WSAEINTR maps to EINTR */ + /* WSAEBADF maps to EBADF */ + /* WSAEACCES maps to EACCES */ + /* WSAEFAULT maps to EFAULT */ + /* WSAEINVAL maps to EINVAL */ + /* WSAEMFILE maps to EMFILE */ + /* WSAEWOULDBLOCK maps to EWOULDBLOCK */ + /* WSAEINPROGRESS is EINPROGRESS */ + /* WSAEALREADY is EALREADY */ + /* WSAENOTSOCK is ENOTSOCK */ + /* WSAEDESTADDRREQ is EDESTADDRREQ */ + /* WSAEMSGSIZE is EMSGSIZE */ + /* WSAEPROTOTYPE is EPROTOTYPE */ + /* WSAENOPROTOOPT is ENOPROTOOPT */ + /* WSAEPROTONOSUPPORT is EPROTONOSUPPORT */ + /* WSAESOCKTNOSUPPORT is ESOCKTNOSUPPORT */ + /* WSAEOPNOTSUPP is EOPNOTSUPP */ + /* WSAEPFNOSUPPORT is EPFNOSUPPORT */ + /* WSAEAFNOSUPPORT is EAFNOSUPPORT */ + /* WSAEADDRINUSE is EADDRINUSE */ + /* WSAEADDRNOTAVAIL is EADDRNOTAVAIL */ + /* WSAENETDOWN is ENETDOWN */ + /* WSAENETUNREACH is ENETUNREACH */ + /* WSAENETRESET is ENETRESET */ + /* WSAECONNABORTED is ECONNABORTED */ + /* WSAECONNRESET is ECONNRESET */ + /* WSAENOBUFS is ENOBUFS */ + /* WSAEISCONN is EISCONN */ + /* WSAENOTCONN is ENOTCONN */ + /* WSAESHUTDOWN is ESHUTDOWN */ + /* WSAETOOMANYREFS is ETOOMANYREFS */ + /* WSAETIMEDOUT is ETIMEDOUT */ + /* WSAECONNREFUSED is ECONNREFUSED */ + /* WSAELOOP is ELOOP */ + /* WSAENAMETOOLONG maps to ENAMETOOLONG */ + /* WSAEHOSTDOWN is EHOSTDOWN */ + /* WSAEHOSTUNREACH is EHOSTUNREACH */ + /* WSAENOTEMPTY maps to ENOTEMPTY */ + /* WSAEPROCLIM is EPROCLIM */ + /* WSAEUSERS is EUSERS */ + /* WSAEDQUOT is EDQUOT */ + /* WSAESTALE is ESTALE */ + /* WSAEREMOTE is EREMOTE */ + case WSASYSNOTREADY: + msg = "Network subsystem is unavailable"; + break; + case WSAVERNOTSUPPORTED: + msg = "Winsock.dll version out of range"; + break; + case WSANOTINITIALISED: + msg = "Successful WSAStartup not yet performed"; + break; + case WSAEDISCON: + msg = "Graceful shutdown in progress"; + break; + case WSAENOMORE: case WSA_E_NO_MORE: + msg = "No more results"; + break; + case WSAECANCELLED: case WSA_E_CANCELLED: + msg = "Call was canceled"; + break; + case WSAEINVALIDPROCTABLE: + msg = "Procedure call table is invalid"; + break; + case WSAEINVALIDPROVIDER: + msg = "Service provider is invalid"; + break; + case WSAEPROVIDERFAILEDINIT: + msg = "Service provider failed to initialize"; + break; + case WSASYSCALLFAILURE: + msg = "System call failure"; + break; + case WSASERVICE_NOT_FOUND: + msg = "Service not found"; + break; + case WSATYPE_NOT_FOUND: + msg = "Class type not found"; + break; + case WSAEREFUSED: + msg = "Database query was refused"; + break; + case WSAHOST_NOT_FOUND: + msg = "Host not found"; + break; + case WSATRY_AGAIN: + msg = "Nonauthoritative host not found"; + break; + case WSANO_RECOVERY: + msg = "Nonrecoverable error"; + break; + case WSANO_DATA: + msg = "Valid name, no data record of requested type"; + break; + /* WSA_QOS_* omitted */ +# endif +# endif - msg = strerror (n); +# if GNULIB_defined_ENOMSG + case ENOMSG: + msg = "No message of desired type"; + break; +# endif - /* Our strerror_r implementation might use the system's strerror - buffer, so all other clients of strerror have to see the error - copied into a buffer that we manage. This is not thread-safe, - even if the system strerror is, but portable programs shouldn't - be using strerror if they care about thread-safety. */ - if (!msg || !*msg) - { - static char const fmt[] = "Unknown error %d"; - verify (sizeof buf >= sizeof (fmt) + INT_STRLEN_BOUND (n)); - sprintf (buf, fmt, n); - errno = EINVAL; - return buf; +# if GNULIB_defined_EIDRM + case EIDRM: + msg = "Identifier removed"; + break; +# endif + +# if GNULIB_defined_ENOLINK + case ENOLINK: + msg = "Link has been severed"; + break; +# endif + +# if GNULIB_defined_EPROTO + case EPROTO: + msg = "Protocol error"; + break; +# endif + +# if GNULIB_defined_EMULTIHOP + case EMULTIHOP: + msg = "Multihop attempted"; + break; +# endif + +# if GNULIB_defined_EBADMSG + case EBADMSG: + msg = "Bad message"; + break; +# endif + +# if GNULIB_defined_EOVERFLOW + case EOVERFLOW: + msg = "Value too large for defined data type"; + break; +# endif + +# if GNULIB_defined_ENOTSUP + case ENOTSUP: + msg = "Not supported"; + break; +# endif + +# if GNULIB_defined_ESTALE + case ESTALE: + msg = "Stale NFS file handle"; + break; +# endif + +# if GNULIB_defined_ECANCELED + case ECANCELED: + msg = "Operation canceled"; + break; +# endif } - /* Fix STACKBUF_LEN if this ever aborts. */ - len = strlen (msg); - if (sizeof buf <= len) - abort (); + if (msg) + return (char *) msg; + + { + char *result = strerror (n); - return memcpy (buf, msg, len + 1); + if (result == NULL || result[0] == '\0') + { + static char const fmt[] = "Unknown error (%d)"; + static char msg_buf[sizeof fmt + INT_STRLEN_BOUND (n)]; + sprintf (msg_buf, fmt, n); + return msg_buf; + } + + return result; + } } + +#endif |