From bdf7624d67f3bba1a3faed9abf0d2d27291c1cce Mon Sep 17 00:00:00 2001 From: cmetz <> Date: Wed, 23 Jun 1999 21:55:29 +0000 Subject: Added some protocol independent interfaces (supposedly IPv6 support APIs, but ones that are useful for all protocols, not just IPv6). --- src/lib/libc/net/gai_strerror.c | 116 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 src/lib/libc/net/gai_strerror.c (limited to 'src/lib/libc/net/gai_strerror.c') diff --git a/src/lib/libc/net/gai_strerror.c b/src/lib/libc/net/gai_strerror.c new file mode 100644 index 0000000000..a758b7449b --- /dev/null +++ b/src/lib/libc/net/gai_strerror.c @@ -0,0 +1,116 @@ +/* + * %%% copyright-cmetz-97-bsd + * Copyright (c) 1997-1999, Craig Metz, All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Craig Metz and + * by other contributors. + * 4. Neither the name of the author nor the names of contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Craig Metz and + * by other contributors. + * 4. Neither the name of the author nor the names of contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* gai_strerror() v1.38 */ + +#include +#include +#include + +#define THREAD_SAFE 0 + +#if !THREAD_SAFE +static char buffer[256]; +#endif /* !THREAD_SAFE */ + +char *gai_strerror(int errnum) +{ + switch(errnum) { + case 0: + return "no error"; + case EAI_BADFLAGS: + return "invalid value for ai_flags"; + case EAI_NONAME: + return "name or service is not known"; + case EAI_AGAIN: + return "temporary failure in name resolution"; + case EAI_FAIL: + return "non-recoverable failure in name resolution"; + case EAI_NODATA: + return "no address associated with name"; + case EAI_FAMILY: + return "ai_family not supported"; + case EAI_SOCKTYPE: + return "ai_socktype not supported"; + case EAI_SERVICE: + return "service not supported for ai_socktype"; + case EAI_ADDRFAMILY: + return "address family for name not supported"; + case EAI_MEMORY: + return "memory allocation failure"; + case EAI_SYSTEM: +#if THREAD_SAFE + return "system error"; +#else /* THREAD_SAFE */ + snprintf(buffer, sizeof(buffer)-1, "system error: %s(%d)", strerror(errno), errno); + buffer[sizeof(buffer)-1] = 0; + return buffer; +#endif /* THREAD_SAFE */ + default: +#if THREAD_SAFE + return "unknown/invalid error"; +#else /* THREAD_SAFE */ + snprintf(buffer, sizeof(buffer)-1, "unknown/invalid error %d", errnum); + buffer[sizeof(buffer)-1] = 0; + return buffer; +#endif /* THREAD_SAFE */ + }; +}; -- cgit v1.2.3-55-g6feb