]> git.ipfire.org Git - thirdparty/glibc.git/blobdiff - iconvdata/euc-kr.c
Use glibc_likely instead __builtin_expect.
[thirdparty/glibc.git] / iconvdata / euc-kr.c
index 7ec613b3f97ee7cb5e5c8bddd82af1062a772ab7..f14d989385e023fea995e2bd30e7e15cfdd50772 100644 (file)
@@ -1,23 +1,22 @@
 /* Mapping tables for EUC-KR handling.
-   Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+   Copyright (C) 1998-2014 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jungshik Shin <jshin@pantheon.yale.edu>
    and Ulrich Drepper <drepper@cygnus.com>, 1998.
 
    The GNU C 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.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   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>
@@ -25,6 +24,7 @@
 
 
 static inline void
+__attribute ((always_inline))
 euckr_from_ucs4 (uint32_t ch, unsigned char *cp)
 {
   if (ch > 0x9f)
@@ -45,7 +45,7 @@ euckr_from_ucs4 (uint32_t ch, unsigned char *cp)
          cp[1] |= 0x80;
        }
       else
-       cp[0] = '\0';
+       cp[0] = cp[1] = '\0';
     }
   else
     {
@@ -81,52 +81,40 @@ euckr_from_ucs4 (uint32_t ch, unsigned char *cp)
       ++inptr;                                                               \
     /* 0xfe(->0x7e : row 94) and 0xc9(->0x59 : row 41) are                   \
        user-defined areas.  */                                               \
-    else if (__builtin_expect (ch, 0xa1) == 0xa0                             \
-            || __builtin_expect (ch, 0xa1) > 0xfe                            \
-            || __builtin_expect (ch, 0xa1) == 0xc9)                          \
+    else if (__builtin_expect (ch == 0xa0, 0)                                \
+            || __builtin_expect (ch > 0xfe, 0)                               \
+            || __builtin_expect (ch == 0xc9, 0))                             \
       {                                                                              \
        /* This is illegal.  */                                               \
-       if (! ignore_errors_p ())                                             \
-         {                                                                   \
-           result = __GCONV_ILLEGAL_INPUT;                                   \
-           break;                                                            \
-         }                                                                   \
-                                                                             \
-       ++inptr;                                                              \
-       ++*irreversible;                                                      \
-       continue;                                                             \
+       STANDARD_FROM_LOOP_ERR_HANDLER (1);                                   \
       }                                                                              \
     else                                                                     \
       {                                                                              \
-       /* Two-byte character.  First test whether the next character         \
+       /* Two-byte character.  First test whether the next byte              \
           is also available.  */                                             \
        ch = ksc5601_to_ucs4 (&inptr, inend - inptr, 0x80);                   \
-       if (__builtin_expect (ch, 1) == 0)                                    \
+       if (__glibc_unlikely (ch == 0))                                       \
          {                                                                   \
-           /* The second character is not available.  */                     \
+           /* The second byte is not available.  */                          \
            result = __GCONV_INCOMPLETE_INPUT;                                \
            break;                                                            \
          }                                                                   \
-       if (__builtin_expect (ch, 0) == __UNKNOWN_10646_CHAR)                 \
-         {                                                                   \
-           /* This is an illegal character.  */                              \
-           if (! ignore_errors_p ())                                         \
-             {                                                               \
-               /* This is an illegal character.  */                          \
-               result = __GCONV_ILLEGAL_INPUT;                               \
-               break;                                                        \
-             }                                                               \
-                                                                             \
-           inptr += 2;                                                       \
-           ++*irreversible;                                                  \
-           continue;                                                         \
-         }                                                                   \
+       if (__glibc_unlikely (ch == __UNKNOWN_10646_CHAR))                    \
+         /* This is an illegal character.  */                                \
+         STANDARD_FROM_LOOP_ERR_HANDLER (2);                                 \
       }                                                                              \
                                                                              \
     put32 (outptr, ch);                                                              \
     outptr += 4;                                                             \
   }
 #define LOOP_NEED_FLAGS
+#define ONEBYTE_BODY \
+  {                                                                          \
+    if (c <= 0x9f)                                                           \
+      return c;                                                                      \
+    else                                                                     \
+      return WEOF;                                                           \
+  }
 #include <iconv/loop.c>
 
 
@@ -149,14 +137,14 @@ euckr_from_ucs4 (uint32_t ch, unsigned char *cp)
        UNICODE_TAG_HANDLER (ch, 4);                                          \
                                                                              \
        /* Illegal character.  */                                             \
-       STANDARD_ERR_HANDLER (4);                                             \
+       STANDARD_TO_LOOP_ERR_HANDLER (4);                                     \
       }                                                                              \
                                                                              \
     *outptr++ = cp[0];                                                       \
     /* Now test for a possible second byte and write this if possible.  */    \
     if (cp[1] != '\0')                                                       \
       {                                                                              \
-       if (__builtin_expect (outptr >= outend, 0))                           \
+       if (__glibc_unlikely (outptr >= outend))                              \
          {                                                                   \
            /* The result does not fit into the buffer.  */                   \
            --outptr;                                                         \