diff options
Diffstat (limited to 'iconvdata/iso-2022-cn.c')
| -rw-r--r-- | iconvdata/iso-2022-cn.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/iconvdata/iso-2022-cn.c b/iconvdata/iso-2022-cn.c index c89fc5776e..69f5e176e4 100644 --- a/iconvdata/iso-2022-cn.c +++ b/iconvdata/iso-2022-cn.c @@ -86,15 +86,13 @@ enum \ /* We are not in the initial state. To switch back we have \ to emit `SI'. */ \ - if (outbuf == data->__outbufend) \ + if (__builtin_expect (outbuf == data->__outbufend, 0)) \ /* We don't have enough room in the output buffer. */ \ status = __GCONV_FULL_OUTPUT; \ else \ { \ /* Write out the shift sequence. */ \ *outbuf++ = SI; \ - if (data->__flags & __GCONV_IS_LAST) \ - *written += 1; \ data->__outbuf = outbuf; \ data->__statep->__count = ASCII_set; \ } \ @@ -121,7 +119,7 @@ enum uint32_t ch = *inptr; \ \ /* This is a 7bit character set, disallow all 8bit characters. */ \ - if (ch > 0x7f) \ + if (__builtin_expect (ch, 0) > 0x7f) \ { \ if (! ignore_errors_p ()) \ { \ @@ -135,7 +133,7 @@ enum } \ \ /* Recognize escape sequences. */ \ - if (ch == ESC) \ + if (__builtin_expect (ch, 0) == ESC) \ { \ /* There are two kinds of escape sequences we have to handle: \ - those announcing the use of GB and CNS characters on the \ @@ -143,12 +141,15 @@ enum - the initial byte of the SS2 sequence. \ */ \ if (NEED_LENGTH_TEST \ - && (inptr + 1 > inend \ + && (__builtin_expect (inptr + 1 > inend, 0) \ || (inptr[1] == '$' \ - && (inptr + 2 > inend \ - || (inptr[2] == ')' && inptr + 3 > inend) \ - || (inptr[2] == '*' && inptr + 3 > inend))) \ - || (inptr[1] == SS2_1 && inptr + 3 > inend))) \ + && (__builtin_expect (inptr + 2 > inend, 0) \ + || (inptr[2] == ')' \ + && __builtin_expect (inptr + 3 > inend, 0)) \ + || (inptr[2] == '*' \ + && __builtin_expect (inptr + 3 > inend, 0)))) \ + || (inptr[1] == SS2_1 \ + && __builtin_expect (inptr + 3 > inend, 0)))) \ { \ result = __GCONV_EMPTY_INPUT; \ break; \ @@ -166,7 +167,7 @@ enum continue; \ } \ } \ - else if (ch == SO) \ + else if (__builtin_expect (ch, 0) == SO) \ { \ /* Switch to use GB2312 or CNS 11643 plane 1, depending on which \ S0 designation came last. The only problem is what to do with \ @@ -177,7 +178,7 @@ enum set = ann == CNS11643_1_ann ? CNS11643_1_set : GB2312_set; \ continue; \ } \ - else if (ch == SI) \ + else if (__builtin_expect (ch, 0) == SI) \ { \ /* Switch to use ASCII. */ \ ++inptr; \ @@ -185,14 +186,14 @@ enum continue; \ } \ \ - if (ch == ESC && inptr[1] == SS2_1) \ + if (__builtin_expect (ch, 0) == ESC && inptr[1] == SS2_1) \ { \ /* This is a character from CNS 11643 plane 2. \ XXX We could test here whether the use of this character \ set was announced. */ \ inptr += 2; \ ch = cns11643l2_to_ucs4 (&inptr, 2, 0); \ - if (ch == __UNKNOWN_10646_CHAR) \ + if (__builtin_expect (ch, 0) == __UNKNOWN_10646_CHAR) \ { \ if (! ignore_errors_p ()) \ { \ @@ -224,12 +225,12 @@ enum NEED_LENGTH_TEST ? inend - inptr : 2, 0);\ } \ \ - if (NEED_LENGTH_TEST && ch == 0) \ + if (NEED_LENGTH_TEST && __builtin_expect (ch, 1) == 0) \ { \ result = __GCONV_EMPTY_INPUT; \ break; \ } \ - else if (ch == __UNKNOWN_10646_CHAR) \ + else if (__builtin_expect (ch, 1) == __UNKNOWN_10646_CHAR) \ { \ if (! ignore_errors_p ()) \ { \ @@ -261,10 +262,7 @@ enum #define LOOPFCT TO_LOOP #define BODY \ { \ - uint32_t ch; \ - size_t written = 0; \ - \ - ch = get32 (inptr); \ + uint32_t ch = get32 (inptr); \ \ /* First see whether we can write the character using the currently \ selected character set. */ \ @@ -274,7 +272,7 @@ enum { \ *outptr++ = SI; \ set = ASCII_set; \ - if (NEED_LENGTH_TEST && outptr == outend) \ + if (NEED_LENGTH_TEST && __builtin_expet (outptr == outend, 0)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ @@ -282,7 +280,6 @@ enum } \ \ *outptr++ = ch; \ - written = 1; \ \ /* At the end of the line we have to clear the `ann' flags since \ every line must contain this information again. */ \ @@ -293,6 +290,7 @@ enum { \ char buf[2]; \ int used; \ + size_t written = 0; \ \ if (set == GB2312_set || (ann & CNS11643_1_ann) == 0) \ { \ @@ -321,7 +319,7 @@ enum else \ written = ucs4_to_gb2312 (ch, buf, 2); \ \ - if (written != __UNKNOWN_10646_CHAR) \ + if (__builin_expect (written, 0) != __UNKNOWN_10646_CHAR) \ /* Oh well, then switch SO. */ \ used = GB2312_set + CNS11643_1_set - set; \ else \ @@ -350,7 +348,8 @@ enum { \ const char *escseq; \ \ - if (NEED_LENGTH_TEST && outptr + 4 > outend) \ + if (NEED_LENGTH_TEST \ + && __builtin_expect (outptr + 4 > outend, 0)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ @@ -373,7 +372,7 @@ enum \ if (used == CNS11643_2_set) \ { \ - if (outptr + 2 > outend) \ + if (__builtin_expect (outptr + 2 > outend, 0)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ @@ -388,7 +387,7 @@ enum SO charset. */ \ if (set == ASCII_set) \ { \ - if (outptr + 1 > outend) \ + if (__builtin_expect (outptr + 1 > outend, 0)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ @@ -399,13 +398,14 @@ enum \ /* Always test the length here since we have used up all the \ guaranteed output buffer slots. */ \ - if (outptr + 2 > outend) \ + if (__builtin_expect (outptr + 2 > outend, 0)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ } \ - else if (NEED_LENGTH_TEST && outptr + 2 > outend) \ + else if (NEED_LENGTH_TEST \ + && __builtin_expect (outptr + 2 > outend, 0)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ |