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Diffstat (limited to 'src/backend/regex/regerror.c')
-rw-r--r-- | src/backend/regex/regerror.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/src/backend/regex/regerror.c b/src/backend/regex/regerror.c deleted file mode 100644 index fb12cba3048..00000000000 --- a/src/backend/regex/regerror.c +++ /dev/null @@ -1,185 +0,0 @@ -/*- - * Copyright (c) 1992, 1993, 1994 Henry Spencer. - * Copyright (c) 1992, 1993, 1994 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Henry Spencer. - * - * 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 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 - * SUCH DAMAGE. - * - * @(#)regerror.c 8.4 (Berkeley) 3/20/94 - */ - -#include "postgres.h" - -#include <sys/types.h> -#include <ctype.h> -#include <limits.h> -#include <assert.h> - -#include "regex/regex.h" -#include "regex/utils.h" -#include "regex/regex2.h" - -static char *regatoi(const regex_t *preg, char *localbuf); - -static struct rerr -{ - int code; - char *name; - char *explain; -} rerrs[] = - -{ - { - /* NOMATCH is not really an error condition, it just says no match */ - REG_NOMATCH, "REG_NOMATCH", "no pattern match found" - }, - { - REG_BADPAT, "REG_BADPAT", "invalid regex struct" - }, - { - 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) in { }" - }, - { - REG_ERANGE, "REG_ERANGE", "invalid character range in [ ]" - }, - { - REG_ESPACE, "REG_ESPACE", "ran out of memory" - }, - { - REG_BADRPT, "REG_BADRPT", "?, *, or + operand invalid" - }, - { - REG_EMPTY, "REG_EMPTY", "empty expression or subexpression" - }, - { - 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 - */ -/* ARGSUSED */ -size_t -pg_regerror(int errcode, const regex_t *preg, - char *errbuf, size_t errbuf_size) -{ - struct rerr *r; - size_t len; - int target = errcode & ~REG_ITOA; - char *s; - char convbuf[50]; - - if (errcode == REG_ATOI) - s = regatoi(preg, convbuf); - else - { - for (r = rerrs; r->code != 0; r++) - if (r->code == target) - break; - - if (errcode & REG_ITOA) - { - if (r->code != 0) - strcpy(convbuf, r->name); - else - sprintf(convbuf, "REG_0x%x", target); - assert(strlen(convbuf) < sizeof(convbuf)); - s = convbuf; - } - else - s = r->explain; - } - - len = strlen(s) + 1; - if (errbuf_size > 0) - { - if (errbuf_size > len) - strcpy(errbuf, s); - else - { - strncpy(errbuf, s, errbuf_size - 1); - errbuf[errbuf_size - 1] = '\0'; - } - } - - return len; -} - -/* - * regatoi - internal routine to implement REG_ATOI - */ -static char * -regatoi(const regex_t *preg, char *localbuf) -{ - struct rerr *r; - - for (r = rerrs; r->code != 0; r++) -#ifdef MULTIBYTE - if (pg_char_and_wchar_strcmp(r->name, preg->re_endp) == 0) -#else - if (strcmp(r->name, preg->re_endp) == 0) -#endif - break; - if (r->code == 0) - return "0"; - - sprintf(localbuf, "%d", r->code); - return localbuf; -} |