From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/iconv/lib/genaliases.c | 104 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 jni/iconv/lib/genaliases.c

(limited to 'jni/iconv/lib/genaliases.c')

diff --git a/jni/iconv/lib/genaliases.c b/jni/iconv/lib/genaliases.c
new file mode 100644
index 0000000..b54b97d
--- /dev/null
+++ b/jni/iconv/lib/genaliases.c
@@ -0,0 +1,104 @@
+/* Copyright (C) 1999-2001, 2003, 2005, 2008 Free Software Foundation, Inc.
+   This file is part of the GNU LIBICONV Library.
+
+   The GNU LIBICONV Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   The GNU LIBICONV 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU LIBICONV Library; see the file COPYING.LIB.
+   If not, write to the Free Software Foundation, Inc., 51 Franklin Street,
+   Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Creates the aliases.gperf table. */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+static void emit_alias (FILE* out1, const char* alias, const char* c_name)
+{
+  /* Output alias in upper case. */
+  const char* s = alias;
+  for (; *s; s++) {
+    unsigned char c = * (unsigned char *) s;
+    if (c >= 0x80)
+      exit(1);
+    if (c >= 'a' && c <= 'z')
+      c -= 'a'-'A';
+    putc(c, out1);
+  }
+  fprintf(out1,", ei_%s\n", c_name);
+}
+
+static void emit_encoding (FILE* out1, FILE* out2, const char* const* names, size_t n, const char* c_name)
+{
+  fprintf(out2,"grep 'sizeof(\"");
+  /* Output *names in upper case. */
+  {
+    const char* s = *names;
+    for (; *s; s++) {
+      unsigned char c = * (unsigned char *) s;
+      if (c >= 0x80)
+        exit(1);
+      if (c >= 'a' && c <= 'z')
+        c -= 'a'-'A';
+      putc(c, out2);
+    }
+  }
+  fprintf(out2,"\")' tmp.h | sed -e 's|^.*\\(stringpool_str[0-9]*\\).*$|  (int)(long)\\&((struct stringpool_t *)0)->\\1,|'\n");
+  for (; n > 0; names++, n--)
+    emit_alias(out1, *names, c_name);
+}
+
+int main ()
+{
+  FILE* stdout2;
+
+  printf("struct alias { int name; unsigned int encoding_index; };\n");
+  printf("%%struct-type\n");
+  printf("%%language=ANSI-C\n");
+  printf("%%define hash-function-name aliases_hash\n");
+  printf("%%define lookup-function-name aliases_lookup\n");
+  printf("%%7bit\n");
+  printf("%%readonly-tables\n");
+  printf("%%global-table\n");
+  printf("%%define word-array-name aliases\n");
+  printf("%%pic\n");
+  printf("%%%%\n");
+
+#define DEFENCODING(xxx_names,xxx,xxx_ifuncs1,xxx_ifuncs2,xxx_ofuncs1,xxx_ofuncs2) \
+  {                                                           \
+    static const char* const names[] = BRACIFY xxx_names;     \
+    emit_encoding(stdout,stdout2,names,sizeof(names)/sizeof(names[0]),#xxx); \
+  }
+#define BRACIFY(...) { __VA_ARGS__ }
+#define DEFALIAS(xxx_alias,xxx) emit_alias(stdout,xxx_alias,#xxx);
+
+  stdout2 = fdopen(3, "w");
+  if (stdout2 == NULL)
+    exit(1);
+#include "encodings.def"
+  if (fclose(stdout2))
+    exit(1);
+
+  stdout2 = fdopen(4, "w");
+  if (stdout2 == NULL)
+    exit(1);
+#include "encodings_local.def"
+  if (fclose(stdout2))
+    exit(1);
+
+#undef DEFALIAS
+#undef BRACIFY
+#undef DEFENCODING
+
+  if (ferror(stdout) || fclose(stdout))
+    exit(1);
+  exit(0);
+}
-- 
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