mirror of https://github.com/tildeclub/ex-vi.git
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/*
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* Changes by Gunnar Ritter, Freiburg i. Br., Germany, November 2002.
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*
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* Sccsid @(#)regerror.c 1.4 (gritter) 3/29/03
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*/
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/* UNIX(R) Regular Expresssion Library
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*
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* Note: Code is released under the GNU LGPL
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*
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* Copyright (C) 2001 Caldera International, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to:
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* Free Software Foundation, Inc.
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* #include "synonyms.h" */
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#include <string.h>
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#include "re.h"
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/* include "_locale.h" */
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/* #pragma weak regerror = _regerror */
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size_t
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regerror(int err, const regex_t *ep, char *str, size_t max)
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{
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const struct
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{
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int index;
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const char *str;
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} unk =
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{
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88, "unknown regular expression error"
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}, msgs[] =
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{
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/*ENOSYS*/ { 89, "feature not implemented" },
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/*0*/ { 0, "" },
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/*NOMATCH*/ { 90, "regular expression failed to match" },
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/*BADPAT*/ { 91, "invalid regular expression" },
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/*ECOLLATE*/ { 92, "invalid collating element construct" },
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/*ECTYPE*/ { 93, "invalid character class construct" },
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/*EEQUIV*/ { 94, "invalid equivalence class construct" },
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/*EBKTCHAR*/ { 95, "invalid character in '[ ]' construct" },
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/*EESCAPE*/ { 96, "trailing \\ in pattern" },
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/*ESUBREG*/ { 97, "'\\digit' out of range" },
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/*EBRACK*/ { 98, "'[ ]' imbalance" },
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/*EMPTYSUBBKT*/ { 99, "empty nested '[ ]' construct" },
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/*EMPTYPAREN*/ { 100, "empty '\\( \\)' or '( )'" },
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/*NOPAT*/ { 101, "empty pattern" },
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/*EPAREN*/ { 102, "'\\( \\)' or '( )' imbalance" },
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/*EBRACE*/ { 103, "'\\{ \\} or '{ }' imbalance" },
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/*BADBR*/ { 104, "invalid '\\{ \\}' or '{ }'" },
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/*ERANGE*/ { 105, "invalid endpoint in range" },
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/*ESPACE*/ { 106, "out of regular expression memory" },
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/*BADRPT*/ { 107, "invalid *, +, ?, \\{\\} or {} operator" },
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/*BADESC*/ { 108, "invalid escape sequence (e.g. \\0)" },
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/*ILLSEQ*/ { 109, "illegal byte sequence"}
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};
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const char *p;
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size_t len;
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int i;
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if (err < REG_ENOSYS || REG_ILLSEQ < err)
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{
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i = unk.index;
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p = unk.str;
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}
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else
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{
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i = msgs[err - REG_ENOSYS].index;
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p = msgs[err - REG_ENOSYS].str;
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}
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/* p = __gtxt(_str_uxlibc, i, p); */
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len = strlen(p) + 1;
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if (max != 0)
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{
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if (max > len)
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max = len;
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else if (max < len)
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str[--max] = '\0';
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memcpy(str, p, max);
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}
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return len;
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}
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