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Diffstat (limited to 'gnu/llvm/lib/Support/regerror.c')
| -rw-r--r-- | gnu/llvm/lib/Support/regerror.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/gnu/llvm/lib/Support/regerror.c b/gnu/llvm/lib/Support/regerror.c deleted file mode 100644 index 1d67c9a2b03..00000000000 --- a/gnu/llvm/lib/Support/regerror.c +++ /dev/null @@ -1,135 +0,0 @@ -/*- - * This code is derived from OpenBSD's libc/regex, original license follows: - * - * 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. 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 <sys/types.h> -#include <stdio.h> -#include <string.h> -#include <ctype.h> -#include <limits.h> -#include <stdlib.h> -#include "regex_impl.h" - -#include "regutils.h" - -#ifdef _MSC_VER -#define snprintf _snprintf -#endif - -static const char *regatoi(const llvm_regex_t *, char *, int); - -static struct rerr { - int code; - const char *name; - const char *explain; -} rerrs[] = { - { REG_NOMATCH, "REG_NOMATCH", "llvm_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 ***" } -}; - -/* - - llvm_regerror - the interface to error numbers - = extern size_t llvm_regerror(int, const llvm_regex_t *, char *, size_t); - */ -/* ARGSUSED */ -size_t -llvm_regerror(int errcode, const llvm_regex_t *preg, char *errbuf, size_t errbuf_size) -{ - struct rerr *r; - size_t len; - int target = errcode &~ REG_ITOA; - const char *s; - char convbuf[50]; - - if (errcode == REG_ATOI) - s = regatoi(preg, convbuf, sizeof convbuf); - else { - for (r = rerrs; r->code != 0; r++) - if (r->code == target) - break; - - if (errcode®_ITOA) { - if (r->code != 0) { - assert(strlen(r->name) < sizeof(convbuf)); - (void) llvm_strlcpy(convbuf, r->name, sizeof convbuf); - } else - (void)snprintf(convbuf, sizeof convbuf, - "REG_0x%x", target); - s = convbuf; - } else - s = r->explain; - } - - len = strlen(s) + 1; - if (errbuf_size > 0) { - llvm_strlcpy(errbuf, s, errbuf_size); - } - - return(len); -} - -/* - - regatoi - internal routine to implement REG_ATOI - */ -static const char * -regatoi(const llvm_regex_t *preg, char *localbuf, int localbufsize) -{ - struct rerr *r; - - for (r = rerrs; r->code != 0; r++) - if (strcmp(r->name, preg->re_endp) == 0) - break; - if (r->code == 0) - return("0"); - - (void)snprintf(localbuf, localbufsize, "%d", r->code); - return(localbuf); -} |