* Copyright (c) 1992 Henry Spencer.
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
* This code is derived from software contributed to Berkeley by
* Henry Spencer of the University of Toronto.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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 the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its 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
* @(#)regerror.c 8.1 (Berkeley) 6/4/93
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid
[] = "@(#)regerror.c 8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
static char *regatoi
__P((const regex_t
*, char *));
= #define REG_ATOI 255 // convert name to number (!)
= #define REG_ITOA 0400 // convert number to name (!)
REG_NOMATCH
, "REG_NOMATCH", "regexec() failed to match",
REG_BADPAT
, "REG_BADPAT", "invalid regular expression",
REG_ECOLLATE
, "REG_ECOLLATE", "invalid collating element",
REG_ECTYPE
, "REG_ECTYPE", "invalid character class",
REG_EESCAPE
, "REG_EESCAPE", "trailing backslash (\\)",
REG_ESUBREG
, "REG_ESUBREG", "invalid backreference number",
REG_EBRACK
, "REG_EBRACK", "brackets ([ ]) not balanced",
REG_EPAREN
, "REG_EPAREN", "parentheses not balanced",
REG_EBRACE
, "REG_EBRACE", "braces not balanced",
REG_BADBR
, "REG_BADBR", "invalid repetition count(s)",
REG_ERANGE
, "REG_ERANGE", "invalid character range",
REG_ESPACE
, "REG_ESPACE", "out of memory",
REG_BADRPT
, "REG_BADRPT", "repetition-operator operand invalid",
REG_EMPTY
, "REG_EMPTY", "empty (sub)expression",
REG_ASSERT
, "REG_ASSERT", "\"can't happen\" -- you found a bug",
REG_INVARG
, "REG_INVARG", "invalid argument to regex routine",
0, "", "*** unknown regexp error code ***",
- regerror - the interface to error numbers
= extern size_t regerror(int errcode, const regex_t *preg, char *errbuf, \
regerror(errcode
, preg
, errbuf
, errbuf_size
)
register int target
= errcode
&~ REG_ITOA
;
s
= regatoi(preg
, convbuf
);
for (r
= rerrs
; r
->code
!= 0; r
++)
(void) strcpy(convbuf
, r
->name
);
sprintf(convbuf
, "REG_0x%x", target
);
assert(strlen(convbuf
) < sizeof(convbuf
));
(void) strcpy(errbuf
, s
);
(void) strncpy(errbuf
, s
, errbuf_size
-1);
errbuf
[errbuf_size
-1] = '\0';
- regatoi - internal routine to implement REG_ATOI
= static char *regatoi(const regex_t *preg, char *localbuf);
for (r
= rerrs
; r
->code
!= 0; r
++)
if (strcmp(r
->name
, preg
->re_endp
) == 0)
sprintf(localbuf
, "%d", r
->code
);