diff options
Diffstat (limited to 'ares_strerror.c')
-rw-r--r-- | ares_strerror.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/ares_strerror.c b/ares_strerror.c new file mode 100644 index 0000000..c8fc111 --- /dev/null +++ b/ares_strerror.c @@ -0,0 +1,47 @@ +/* Copyright 1998 by the Massachusetts Institute of Technology. + * + * Permission to use, copy, modify, and distribute this + * software and its documentation for any purpose and without + * fee is hereby granted, provided that the above copyright + * notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting + * documentation, and that the name of M.I.T. not be used in + * advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * M.I.T. makes no representations about the suitability of + * this software for any purpose. It is provided "as is" + * without express or implied warranty. + */ + +static const char rcsid[] = "$Id$"; + +#include <assert.h> +#include "ares.h" + +const char *ares_strerror(int code, char **memptr) +{ + /* A future implementation may want to handle internationalization. + * For now, just return a string literal from a table. + */ + const char *errtext[] = { + "Successful completion", + "DNS server returned answer with no data", + "DNS server claims query was misformatted", + "DNS server returned general failure", + "Domain name not found", + "DNS server does not implement requested operation", + "DNS server refused query", + "Misformatted DNS query", + "Misformatted domain name", + "Unsupported address family", + "Misformatted DNS reply", + "Could not contact DNS servers", + "Timeout while contacting DNS servers", + "End of file", + "Error reading file", + "Out of memory" + }; + + assert(code >= 0 && code < (sizeof(errtext) / sizeof(*errtext))); + return errtext[code]; +} |