ascii.c: Move auto out of the #if HAVE_DECL_SIGWINCH condtional

[pspp] / src / libpspp / i18n.c

diff --git a/src/libpspp/i18n.c b/src/libpspp/i18n.c
index a3dc08a1ff26982171e8b9cf9c15543e74a2d506..9658866056f01f7911c905e1d2d4896fb0288cbe 100644 (file)
--- a/src/libpspp/i18n.c
+++ b/src/libpspp/i18n.c
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2006, 2009, 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -694,34 +694,52 @@ get_encoding_info (struct encoding_info *e, const char *name)
     "ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
     "abcdefghijklmnopqrstuvwxyz{|}~");
 
-  struct substring out, cr, lf;
+  struct substring out, cr, lf, space;
   bool ok;
 
   memset (e, 0, sizeof *e);
 
   cr = recode_substring_pool (name, "UTF-8", ss_cstr ("\r"), NULL);
   lf = recode_substring_pool (name, "UTF-8", ss_cstr ("\n"), NULL);
-  ok = cr.length >= 1 && cr.length <= MAX_UNIT && cr.length == lf.length;
+  space = recode_substring_pool (name, "UTF-8", ss_cstr (" "), NULL);
+  ok = (cr.length >= 1
+        && cr.length <= MAX_UNIT
+        && cr.length == lf.length
+        && cr.length == space.length);
   if (!ok)
     {
       fprintf (stderr, "warning: encoding `%s' is not supported.\n", name);
       ss_dealloc (&cr);
       ss_dealloc (&lf);
+      ss_dealloc (&space);
       ss_alloc_substring (&cr, ss_cstr ("\r"));
       ss_alloc_substring (&lf, ss_cstr ("\n"));
+      ss_alloc_substring (&space, ss_cstr (" "));
     }
 
   e->unit = cr.length;
   memcpy (e->cr, cr.string, e->unit);
   memcpy (e->lf, lf.string, e->unit);
+  memcpy (e->space, space.string, e->unit);
 
   ss_dealloc (&cr);
   ss_dealloc (&lf);
+  ss_dealloc (&space);
 
   out = recode_substring_pool ("UTF-8", name, in, NULL);
   e->is_ascii_compatible = ss_equals (in, out);
   ss_dealloc (&out);
 
+  if (!e->is_ascii_compatible && e->unit == 1)
+    {
+      out = recode_substring_pool ("UTF-8", name, ss_cstr ("A"), NULL);
+      e->is_ebcdic_compatible = (out.length == 1
+                                 && (uint8_t) out.string[0] == 0xc1);
+      ss_dealloc (&out);
+    }
+  else
+    e->is_ebcdic_compatible = false;
+
   return ok;
 }
 
@@ -734,6 +752,15 @@ is_encoding_ascii_compatible (const char *encoding)
   return e.is_ascii_compatible;
 }
 
+bool
+is_encoding_ebcdic_compatible (const char *encoding)
+{
+  struct encoding_info e;
+
+  get_encoding_info (&e, encoding);
+  return e.is_ebcdic_compatible;
+}
+
 /* Returns true if iconv can convert ENCODING to and from UTF-8,
    otherwise false. */
 bool