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-rw-r--r--REORG.TODO/iconvdata/8bit-gap.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/REORG.TODO/iconvdata/8bit-gap.c b/REORG.TODO/iconvdata/8bit-gap.c
new file mode 100644
index 0000000000..99f59c20e7
--- /dev/null
+++ b/REORG.TODO/iconvdata/8bit-gap.c
@@ -0,0 +1,117 @@
+/* Generic conversion to and from 8bit charsets,
+   converting from UCS using gaps.
+   Copyright (C) 1997-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library 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.
+
+   The GNU C Library 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 the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <dlfcn.h>
+#include <stdint.h>
+
+struct gap
+{
+  uint16_t start;
+  uint16_t end;
+  int32_t idx;
+};
+
+/* Now we can include the tables.  */
+#include TABLES
+
+#ifndef NONNUL
+# define NONNUL(c)	((c) != '\0')
+#endif
+
+
+#define FROM_LOOP		from_gap
+#define TO_LOOP			to_gap
+#define DEFINE_INIT		1
+#define DEFINE_FINI		1
+#define MIN_NEEDED_FROM		1
+#define MIN_NEEDED_TO		4
+#define ONE_DIRECTION		0
+
+
+/* First define the conversion function from the 8bit charset to UCS4.  */
+#define MIN_NEEDED_INPUT	MIN_NEEDED_FROM
+#define MIN_NEEDED_OUTPUT	MIN_NEEDED_TO
+#define LOOPFCT			FROM_LOOP
+#define BODY \
+  {									      \
+    uint32_t ch = to_ucs4[*inptr];					      \
+									      \
+    if (HAS_HOLES && __builtin_expect (ch == L'\0', 0) && NONNUL (*inptr))    \
+      {									      \
+	/* This is an illegal character.  */				      \
+	STANDARD_FROM_LOOP_ERR_HANDLER (1);				      \
+      }									      \
+    else								      \
+      {									      \
+	put32 (outptr, ch);						      \
+	outptr += 4;							      \
+      }									      \
+									      \
+    ++inptr;								      \
+  }
+#define LOOP_NEED_FLAGS
+#define ONEBYTE_BODY \
+  {									      \
+    uint32_t ch = to_ucs4[c];						      \
+									      \
+    if (HAS_HOLES && __builtin_expect (ch == L'\0', 0) && NONNUL (c))	      \
+      return WEOF;							      \
+    else								      \
+      return ch;							      \
+  }
+#include <iconv/loop.c>
+
+
+/* Next, define the other direction.  */
+#define MIN_NEEDED_INPUT	MIN_NEEDED_TO
+#define MIN_NEEDED_OUTPUT	MIN_NEEDED_FROM
+#define LOOPFCT			TO_LOOP
+#define BODY \
+  {									      \
+    const struct gap *rp = from_idx;					      \
+    uint32_t ch = get32 (inptr);					      \
+    unsigned char res;							      \
+									      \
+    if (__glibc_unlikely (ch >= 0xffff))				      \
+      {									      \
+	UNICODE_TAG_HANDLER (ch, 4);					      \
+	rp = NULL;							      \
+      }									      \
+    else								      \
+      while (ch > rp->end)						      \
+	++rp;								      \
+    if (__builtin_expect (rp == NULL, 0)				      \
+	|| __builtin_expect (ch < rp->start, 0)				      \
+	|| (res = from_ucs4[ch + rp->idx],				      \
+	    __builtin_expect (res, '\1') == '\0' && ch != 0))		      \
+      {									      \
+	/* This is an illegal character.  */				      \
+	STANDARD_TO_LOOP_ERR_HANDLER (4);				      \
+      }									      \
+									      \
+    *outptr++ = res;							      \
+    inptr += 4;								      \
+  }
+#define LOOP_NEED_FLAGS
+#include <iconv/loop.c>
+
+
+/* Now define the toplevel functions.  */
+#include <iconv/skeleton.c>