From 8877ecd1ff3076f4148a09fc1d517f6b8c041ca9 Mon Sep 17 00:00:00 2001
From: konn <konn@1a406e8e-add9-4483-a2c8-d8cac5b7c224>
Date: Sat, 5 Jul 2008 11:11:11 +0000
Subject: [PATCH]   * Added iconv rutine.

git-svn-id: svn+ssh://svn.sourceforge.jp/svnroot/modchxj/mod_chxj/branches/sandbox@2805 1a406e8e-add9-4483-a2c8-d8cac5b7c224
---
 src/css/src/iconv.c | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 src/css/src/iconv.c

diff --git a/src/css/src/iconv.c b/src/css/src/iconv.c
new file mode 100644
index 00000000..a787501a
--- /dev/null
+++ b/src/css/src/iconv.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2008 Atsushi Konno All rights reserved.
+ * Copyright (C) 2008 QSDN,Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "scss_iconv.h"
+#include "apr_strings.h"
+#include <errno.h>
+#include <iconv.h>
+
+char *
+scss_iconv(apr_pool_t *pool, const char *src, apr_size_t *len, const char *from, const char *to, apr_status_t *rv, char **err_msg)
+{
+  char                *obuf;
+  char                *ibuf;
+  char                *spos;
+  
+  iconv_t             cd;
+  size_t              result;
+  apr_size_t          ilen;
+  apr_size_t          olen;
+
+
+  if ((int)*len < 0) {
+    *err_msg = apr_psprintf(pool, "%s:%d runtime exception: scss_iconv(): invalid string size.[%d]", __FILE__,__LINE__, (int)*len);
+    *rv = -1;
+    return (char *)apr_pstrdup(pool, "");
+  }
+
+  ilen = *len;
+  ibuf = apr_palloc(pool, ilen+1);
+  if (ibuf == NULL) {
+    *err_msg = apr_psprintf(pool, "%s:%d runtime exception: scss_iconv(): Out of memory.", __FILE__,__LINE__);
+    *rv = -2;
+    return (char *)src;
+  }
+  memset(ibuf, 0, ilen+1);
+  memcpy(ibuf, src, ilen);
+
+  olen = ilen * 4 + 1;
+  spos = obuf = apr_palloc(pool, olen);
+  if (obuf == NULL) {
+    *err_msg = apr_psprintf(pool, "%s:%d runtime exception: scss_iconv(): Out of memory", __FILE__,__LINE__);
+    *rv = -3;
+    return ibuf;
+  }
+  memset(obuf, 0, olen);
+  cd = iconv_open(to, from);
+  if (cd == (iconv_t)-1) {
+    if (EINVAL == errno) {
+      *err_msg = apr_psprintf(pool, "%s:%d The conversion from %s to %s is not supported by the implementation.", __FILE__,__LINE__, from, to);
+      *rv = -4;
+    }
+    else {
+      *err_msg = apr_psprintf(pool, "%s:%d iconv open failed. from:[%s] to:[%s] errno:[%d]", __FILE__,__LINE__, from, to, errno);
+      *rv = -5;
+    }
+    return ibuf;
+  }
+
+  while (ilen > 0) {
+    result = iconv(cd, &ibuf, &ilen, &obuf, &olen);
+    if (result == (size_t)(-1)) {
+      if (E2BIG == errno) {
+        *err_msg = apr_psprintf(pool, "%s:%d There is not sufficient room at *outbuf.", __FILE__,__LINE__);
+        *rv = -6;
+      }
+      else if (EILSEQ == errno) {
+        *err_msg = apr_psprintf(pool, "%s:%d An invalid multibyte sequence has been encountered in the input. input:[%s]", __FILE__,__LINE__,ibuf);
+        *rv = -7;
+      }
+      else if (EINVAL == errno) {
+        *err_msg = apr_psprintf(pool, "%s:%d An invalid multibyte sequence has been encountered in the input. input:[%s]", __FILE__,__LINE__,ibuf);
+        *rv = -8;
+      }
+      break;
+    }
+  }
+  *len = strlen(spos);
+  iconv_close(cd);
+
+  *rv = 0;
+  return spos;
+}
+/*
+ * vim:ts=2 et
+ */
-- 
2.11.0