typo fixed

[libucw.git] / charset / unistream.h

diff --git a/charset/unistream.h b/charset/unistream.h
index 5483d8097b22f8b509da87605922e85a271a60f5..3eff996950f8e3821ecaacbf58d041ba3f43048e 100644 (file)
--- a/charset/unistream.h
+++ b/charset/unistream.h
@@ -7,66 +7,31 @@
 #ifndef _UNISTREAM_H
 #define _UNISTREAM_H
 
-/* FIXME: Do these need to be inline? */
+int bget_utf8_slow(struct fastbuf *b);
+void bput_utf8_slow(struct fastbuf *b, uns u);
 
 static inline int
 bget_utf8(struct fastbuf *b)
 {
-  int c = bgetc(b);
-  int code;
+  uns u;
 
-  if (c < 0x80)                                /* Includes EOF */
-    return c;
-  if (c < 0xc0)                                /* Incorrect combination */
-    return UNI_REPLACEMENT;
-  if (c >= 0xf0)                       /* Too large, skip it */
+  if (b->bptr + 5 <= b->bufend)
     {
-      while ((c = bgetc(b)) >= 0x80 && c < 0xc0)
-       ;
-      goto wrong;
+      GET_UTF8(b->bptr, u);
+      return u;
     }
-  if (c >= 0xe0)                       /* 3 bytes */
-    {
-      code = c & 0x0f;
-      if ((c = bgetc(b)) < 0x80 || c >= 0xc0)
-       goto wrong;
-      code = (code << 6) | (c & 0x3f);
-      if ((c = bgetc(b)) < 0x80 || c >= 0xc0)
-       goto wrong;
-      code = (code << 6) | (c & 0x3f);
-    }
-  else                                 /* 2 bytes */
-    {
-      code = c & 0x1f;
-      if ((c = bgetc(b)) < 0x80 || c >= 0xc0)
-       goto wrong;
-      code = (code << 6) | (c & 0x3f);
-    }
-  return code;
-
- wrong:
-  if (c >= 0)
-    bungetc(b, c);
-  return UNI_REPLACEMENT;
+  else
+    return bget_utf8_slow(b);
 }
 
 static inline void
 bput_utf8(struct fastbuf *b, uns u)
 {
   ASSERT(u < 65536);
-  if (u < 0x80)
-    bputc(b, u);
+  if (b->bptr + 5 <= b->bufend)
+    PUT_UTF8(b->bptr, u);
   else
-    {
-      if (u < 0x800)
-       bputc(b, 0xc0 | (u >> 6));
-      else
-       {
-         bputc(b, 0xe0 | (u >> 12));
-         bputc(b, 0x80 | ((u >> 6) & 0x3f));
-       }
-      bputc(b, 0x80 | (u & 0x3f));
-    }
+    bput_utf8_slow(b, u);
 }
 
 #endif