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