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* coding.h (struct coding_system): Remove 'error_positions' (unused)

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and 'errors' (set but unused) fields.  Use bitfields for 'eol_seen',
'mode', 'common_flags' and 'result' fields, adjust layout to avoid
extra padding and shrink struct coding_system by 56 bytes (x86_64).
* coding.c (decode_coding_utf_8, decode_coding_utf_16)
(decode_coding_emacs_mule, decode_coding_iso_2022, decode_coding_sjis)
(decode_coding_big5, decode_coding_charset, decode_coding)
(encode_coding): Adjust users.
This commit is contained in:
Dmitry Antipov 2014-07-10 08:35:55 +04:00
parent 09880d8533
commit 80fb41cd90
3 changed files with 39 additions and 43 deletions
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10
src/coding.c
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@ -1486,7 +1486,6 @@ decode_coding_utf_8 (struct coding_system *coding)
consumed_chars = consumed_chars_base;
ONE_MORE_BYTE (c);
*charbuf++ = ASCII_CHAR_P (c) ? c : BYTE8_TO_CHAR (c);
coding->errors++;
}
no_more_source:
@ -1685,7 +1684,6 @@ decode_coding_utf_16 (struct coding_system *coding)
/* The first two bytes are not BOM. Treat them as bytes
for a normal character. */
src = src_base;
coding->errors++;
}
CODING_UTF_16_BOM (coding) = utf_without_bom;
}
@ -1742,7 +1740,6 @@ decode_coding_utf_16 (struct coding_system *coding)
c1 = surrogate & 0xFF, c2 = surrogate >> 8;
*charbuf++ = c1;
*charbuf++ = c2;
coding->errors++;
if (UTF_16_HIGH_SURROGATE_P (c))
CODING_UTF_16_SURROGATE (coding) = surrogate = c;
else
@ -2598,7 +2595,6 @@ decode_coding_emacs_mule (struct coding_system *coding)
ONE_MORE_BYTE (c);
*charbuf++ = ASCII_CHAR_P (c) ? c : BYTE8_TO_CHAR (c);
char_offset++;
coding->errors++;
}
no_more_source:
@ -4006,7 +4002,6 @@ decode_coding_iso_2022 (struct coding_system *coding)
ONE_MORE_BYTE (c);
*charbuf++ = c < 0 ? -c : ASCII_CHAR_P (c) ? c : BYTE8_TO_CHAR (c);
char_offset++;
coding->errors++;
/* Reset the invocation and designation status to the safest
one; i.e. designate ASCII to the graphic register 0, and
invoke that register to the graphic plane 0. This typically
@ -4837,7 +4832,6 @@ decode_coding_sjis (struct coding_system *coding)
ONE_MORE_BYTE (c);
*charbuf++ = c < 0 ? -c : BYTE8_TO_CHAR (c);
char_offset++;
coding->errors++;
}
no_more_source:
@ -4933,7 +4927,6 @@ decode_coding_big5 (struct coding_system *coding)
ONE_MORE_BYTE (c);
*charbuf++ = c < 0 ? -c : BYTE8_TO_CHAR (c);
char_offset++;
coding->errors++;
}
no_more_source:
@ -5642,7 +5635,6 @@ decode_coding_charset (struct coding_system *coding)
ONE_MORE_BYTE (c);
*charbuf++ = c < 0 ? -c : ASCII_CHAR_P (c) ? c : BYTE8_TO_CHAR (c);
char_offset++;
coding->errors++;
}
no_more_source:
@ -7375,7 +7367,6 @@ decode_coding (struct coding_system *coding)
coding->produced = coding->produced_char = 0;
coding->chars_at_source = 0;
record_conversion_result (coding, CODING_RESULT_SUCCESS);
coding->errors = 0;
ALLOC_CONVERSION_WORK_AREA (coding, coding->src_bytes);
@ -7771,7 +7762,6 @@ encode_coding (struct coding_system *coding)
coding->consumed = coding->consumed_char = 0;
coding->produced = coding->produced_char = 0;
record_conversion_result (coding, CODING_RESULT_SUCCESS);
coding->errors = 0;
ALLOC_CONVERSION_WORK_AREA (coding, coding->src_chars);