maint: update copyright

[gnulib.git] / lib / uniconv / u-conv-from-enc.h

diff --git a/lib/uniconv/u-conv-from-enc.h b/lib/uniconv/u-conv-from-enc.h
index 4fc566d..d7f43a2 100644 (file)
--- a/lib/uniconv/u-conv-from-enc.h
+++ b/lib/uniconv/u-conv-from-enc.h
@@ -1,5 +1,5 @@
 /* Conversion to UTF-16/UTF-32 from legacy encodings.
-   Copyright (C) 2002, 2006-2007 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2014 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU Lesser General Public License as published
@@ -14,19 +14,20 @@
    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-int
+UNIT *
 FUNC (const char *fromcode,
       enum iconv_ilseq_handler handler,
       const char *src, size_t srclen,
       size_t *offsets,
-      UNIT **resultp, size_t *lengthp)
+      UNIT *resultbuf, size_t *lengthp)
 {
 #if HAVE_UTF_NAME
-  size_t length;
+  char *result = (char *) resultbuf;
+  size_t length = *lengthp * sizeof (UNIT);
 
   if (mem_iconveha (src, srclen, fromcode, UTF_NAME, true, handler,
-                   offsets, (char **) resultp, &length) < 0)
-    return -1;
+                    offsets, &result, &length) < 0)
+    return NULL;
   if (offsets != NULL)
     {
       /* Convert 'char *' offsets to 'UNIT *' offsets.  */
@@ -34,61 +35,57 @@ FUNC (const char *fromcode,
       size_t *o;
 
       for (o = offsets; o < offsets_end; o++)
-       if (*o != (size_t)(-1))
-         *o = *o / sizeof (UNIT);
+        if (*o != (size_t)(-1))
+          *o = *o / sizeof (UNIT);
     }
   if ((length % sizeof (UNIT)) != 0)
     abort ();
   *lengthp = length / sizeof (UNIT);
-  return 0;
+  return (UNIT *) result;
 #else
-  uint8_t *utf8_string = NULL;
-  size_t utf8_length = 0;
+  uint8_t *utf8_string;
+  size_t utf8_length;
   UNIT *result;
 
-  if (u8_conv_from_encoding (fromcode, handler, src, srclen, offsets,
-                            &utf8_string, &utf8_length) < 0)
-    return -1;
+  utf8_string =
+    u8_conv_from_encoding (fromcode, handler, src, srclen, offsets,
+                           NULL, &utf8_length);
   if (utf8_string == NULL)
-    {
-      *lengthp = 0;
-      return 0;
-    }
-  result = U8_TO_U (utf8_string, utf8_length, *resultp, lengthp);
+    return NULL;
+  result = U8_TO_U (utf8_string, utf8_length, resultbuf, lengthp);
   if (result == NULL)
     {
       int saved_errno = errno;
       free (utf8_string);
       errno = saved_errno;
-      return -1;
+      return NULL;
     }
   if (offsets != NULL)
     {
       size_t length = *lengthp;
       size_t *offsets_end = offsets + srclen;
       size_t *o;
-      size_t off8 = 0; /* offset into utf8_string */
-      size_t offunit = 0;      /* offset into result */
+      size_t off8 = 0;  /* offset into utf8_string */
+      size_t offunit = 0;       /* offset into result */
 
       for (o = offsets; o < offsets_end; o++)
-       if (*o != (size_t)(-1))
-         {
-           while (off8 < *o)
-             {
-               int count8 = u8_mblen (utf8_string + off8, utf8_length - off8);
-               int countunit = U_MBLEN (result + offunit, length - offunit);
-               if (count8 < 0 || countunit < 0)
-                 abort ();
-               off8 += count8;
-               offunit += countunit;
-             }
-           if (*o != off8)
-             abort ();
-           *o = offunit;
-         }
+        if (*o != (size_t)(-1))
+          {
+            while (off8 < *o)
+              {
+                int count8 = u8_mblen (utf8_string + off8, utf8_length - off8);
+                int countunit = U_MBLEN (result + offunit, length - offunit);
+                if (count8 < 0 || countunit < 0)
+                  abort ();
+                off8 += count8;
+                offunit += countunit;
+              }
+            if (*o != off8)
+              abort ();
+            *o = offunit;
+          }
     }
   free (utf8_string);
-  *resultp = result;
-  return 0;
+  return result;
 #endif
 }