From 3e0814cd9862b89c7a39672672937477bd87ddfb Mon Sep 17 00:00:00 2001
From: Andreas Rottmann <a.rottmann@gmx.at>
Date: Thu, 27 May 2010 18:23:15 +0200
Subject: Imported Upstream version 0.9.3

---
 lib/unistr/u8-prev.c | 92 ++++++++++++++++++++++++++--------------------------
 1 file changed, 46 insertions(+), 46 deletions(-)

(limited to 'lib/unistr/u8-prev.c')

diff --git a/lib/unistr/u8-prev.c b/lib/unistr/u8-prev.c
index 245d22f..97a27f5 100644
--- a/lib/unistr/u8-prev.c
+++ b/lib/unistr/u8-prev.c
@@ -1,5 +1,5 @@
 /* Iterate over previous character in UTF-8 string.
-   Copyright (C) 2002, 2006-2007 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2010 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or modify it
@@ -29,65 +29,65 @@ u8_prev (ucs4_t *puc, const uint8_t *s, const uint8_t *start)
       uint8_t c_1 = s[-1];
 
       if (c_1 < 0x80)
-	{
-	  *puc = c_1;
-	  return s - 1;
-	}
+        {
+          *puc = c_1;
+          return s - 1;
+        }
 #if CONFIG_UNICODE_SAFETY
       if ((c_1 ^ 0x80) < 0x40)
 #endif
-	if (s - 1 != start)
-	  {
-	    uint8_t c_2 = s[-2];
+        if (s - 1 != start)
+          {
+            uint8_t c_2 = s[-2];
 
-	    if (c_2 >= 0xc2 && c_2 < 0xe0)
-	      {
-		*puc = ((unsigned int) (c_2 & 0x1f) << 6)
-		       | (unsigned int) (c_1 ^ 0x80);
-		return s - 2;
-	      }
+            if (c_2 >= 0xc2 && c_2 < 0xe0)
+              {
+                *puc = ((unsigned int) (c_2 & 0x1f) << 6)
+                       | (unsigned int) (c_1 ^ 0x80);
+                return s - 2;
+              }
 #if CONFIG_UNICODE_SAFETY
-	    if ((c_2 ^ 0x80) < 0x40)
+            if ((c_2 ^ 0x80) < 0x40)
 #endif
-	      if (s - 2 != start)
-		{
-		  uint8_t c_3 = s[-3];
+              if (s - 2 != start)
+                {
+                  uint8_t c_3 = s[-3];
 
-		  if (c_3 >= 0xe0 && c_3 < 0xf0
+                  if (c_3 >= 0xe0 && c_3 < 0xf0
 #if CONFIG_UNICODE_SAFETY
-		      && (c_3 >= 0xe1 || c_2 >= 0xa0)
-		      && (c_3 != 0xed || c_2 < 0xa0)
+                      && (c_3 >= 0xe1 || c_2 >= 0xa0)
+                      && (c_3 != 0xed || c_2 < 0xa0)
 #endif
-		     )
-		    {
-		      *puc = ((unsigned int) (c_3 & 0x0f) << 12)
-		             | ((unsigned int) (c_2 ^ 0x80) << 6)
-		             | (unsigned int) (c_1 ^ 0x80);
-		      return s - 3;
-		    }
+                     )
+                    {
+                      *puc = ((unsigned int) (c_3 & 0x0f) << 12)
+                             | ((unsigned int) (c_2 ^ 0x80) << 6)
+                             | (unsigned int) (c_1 ^ 0x80);
+                      return s - 3;
+                    }
 #if CONFIG_UNICODE_SAFETY
-		  if ((c_3 ^ 0x80) < 0x40)
+                  if ((c_3 ^ 0x80) < 0x40)
 #endif
-		    if (s - 3 != start)
-		      {
-			uint8_t c_4 = s[-4];
+                    if (s - 3 != start)
+                      {
+                        uint8_t c_4 = s[-4];
 
-			if (c_4 >= 0xf0 && c_4 < 0xf8
+                        if (c_4 >= 0xf0 && c_4 < 0xf8
 #if CONFIG_UNICODE_SAFETY
-			    && (c_4 >= 0xf1 || c_3 >= 0x90)
-			    && (c_4 < 0xf4 || (c_4 == 0xf4 && c_3 < 0x90))
+                            && (c_4 >= 0xf1 || c_3 >= 0x90)
+                            && (c_4 < 0xf4 || (c_4 == 0xf4 && c_3 < 0x90))
 #endif
-			   )
-			  {
-			    *puc = ((unsigned int) (c_4 & 0x07) << 18)
-			           | ((unsigned int) (c_3 ^ 0x80) << 12)
-			           | ((unsigned int) (c_2 ^ 0x80) << 6)
-			           | (unsigned int) (c_1 ^ 0x80);
-			    return s - 4;
-			  }
-		      }
-		}
-	  }
+                           )
+                          {
+                            *puc = ((unsigned int) (c_4 & 0x07) << 18)
+                                   | ((unsigned int) (c_3 ^ 0x80) << 12)
+                                   | ((unsigned int) (c_2 ^ 0x80) << 6)
+                                   | (unsigned int) (c_1 ^ 0x80);
+                            return s - 4;
+                          }
+                      }
+                }
+          }
     }
   return NULL;
 }
-- 
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