pmt: initial 3.0.2 update

include/libgnulib/uniconv/u-strconv-from-enc.h

@@ -0,0 +1,40 @@
+/* Conversion to UTF-8/UTF-16/UTF-32 from legacy encodings.
+   Copyright (C) 2002, 2006-2007, 2009-2024 Free Software Foundation, Inc.
+
+   This file 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 2.1 of the
+   License, or (at your option) any later version.
+
+   This file 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 program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+UNIT *
+FUNC (const char *string,
+      const char *fromcode,
+      enum iconv_ilseq_handler handler)
+{
+  UNIT *result;
+  size_t length;
+
+  result =
+    U_CONV_FROM_ENCODING (fromcode, handler,
+                          string, strlen (string) + 1, NULL,
+                          NULL, &length);
+  if (result == NULL)
+    return NULL;
+  /* Verify the result has exactly one NUL unit, at the end.  */
+  if (!(length > 0 && result[length-1] == 0
+        && U_STRLEN (result) == length-1))
+    {
+      free (result);
+      errno = EILSEQ;
+      return NULL;
+    }
+  return result;
+}