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-rw-r--r--src/regposerr.c105
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diff --git a/src/regposerr.c b/src/regposerr.c
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+/**********************************************************************
+ regposerr.c - Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#include "config.h"
+#include "onigposix.h"
+
+#ifdef HAVE_STRING_H
+# include <string.h>
+#else
+# include <strings.h>
+#endif
+
+#if defined(__GNUC__)
+# define ARG_UNUSED __attribute__ ((unused))
+#else
+# define ARG_UNUSED
+#endif
+
+#if defined(_WIN32) && !defined(__GNUC__)
+#define xsnprintf sprintf_s
+#define xstrncpy(dest,src,size) strncpy_s(dest,size,src,_TRUNCATE)
+#else
+#define xsnprintf snprintf
+#define xstrncpy strncpy
+#endif
+
+static char* ESTRING[] = {
+ NULL,
+ "failed to match", /* REG_NOMATCH */
+ "Invalid regular expression", /* REG_BADPAT */
+ "invalid collating element referenced", /* REG_ECOLLATE */
+ "invalid character class type referenced", /* REG_ECTYPE */
+ "bad backslash-escape sequence", /* REG_EESCAPE */
+ "invalid back reference number", /* REG_ESUBREG */
+ "imbalanced [ and ]", /* REG_EBRACK */
+ "imbalanced ( and )", /* REG_EPAREN */
+ "imbalanced { and }", /* REG_EBRACE */
+ "invalid repeat range {n,m}", /* REG_BADBR */
+ "invalid range", /* REG_ERANGE */
+ "Out of memory", /* REG_ESPACE */
+ "? * + not preceded by valid regular expression", /* REG_BADRPT */
+
+ /* Extended errors */
+ "internal error", /* REG_EONIG_INTERNAL */
+ "invalid wide char value", /* REG_EONIG_BADWC */
+ "invalid argument" /* REG_EONIG_BADARG */
+};
+
+#include <stdio.h>
+
+
+extern size_t
+regerror(int posix_ecode, const regex_t* reg ARG_UNUSED, char* buf,
+ size_t size)
+{
+ char* s;
+ char tbuf[35];
+ size_t len;
+
+ if (posix_ecode > 0
+ && posix_ecode < (int )(sizeof(ESTRING) / sizeof(ESTRING[0]))) {
+ s = ESTRING[posix_ecode];
+ }
+ else if (posix_ecode == 0) {
+ s = "";
+ }
+ else {
+ xsnprintf(tbuf, sizeof(tbuf), "undefined error code (%d)", posix_ecode);
+ s = tbuf;
+ }
+
+ len = strlen(s) + 1; /* use strlen() because s is ascii encoding. */
+
+ if (buf != NULL && size > 0) {
+ xstrncpy(buf, s, size - 1);
+ buf[size - 1] = '\0';
+ }
+ return len;
+}