Imported Upstream version 6.0.0upstream/6.0.0

1 files changed, 105 insertions, 0 deletions

diff --git a/src/regposerr.c b/src/regposerr.c
new file mode 100644
index 0000000..fc71eee
--- /dev/null
+++ b/src/regposerr.c
@@ -0,0 +1,105 @@
+/**********************************************************************
+  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;
+}