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Diffstat (limited to 'src/coding.c')
-rw-r--r--src/coding.c348
1 files changed, 152 insertions, 196 deletions
diff --git a/src/coding.c b/src/coding.c
index f6310369ad3..0c2836c19f6 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -395,8 +395,6 @@ Lisp_Object Vbig5_coding_system;
/* Control characters of ISO2022. */
/* code */ /* function */
-#define ISO_CODE_LF 0x0A /* line-feed */
-#define ISO_CODE_CR 0x0D /* carriage-return */
#define ISO_CODE_SO 0x0E /* shift-out */
#define ISO_CODE_SI 0x0F /* shift-in */
#define ISO_CODE_SS2_7 0x19 /* single-shift-2 for 7-bit code */
@@ -479,7 +477,7 @@ enum iso_code_class_type
#define CODING_ISO_FLAG_COMPOSITION 0x2000
-#define CODING_ISO_FLAG_EUC_TW_SHIFT 0x4000
+/* #define CODING_ISO_FLAG_EUC_TW_SHIFT 0x4000 */
#define CODING_ISO_FLAG_USE_ROMAN 0x8000
@@ -721,25 +719,6 @@ static struct coding_system coding_categories[coding_category_max];
} while (0)
-#define ONE_MORE_BYTE_NO_CHECK(c) \
- do { \
- c = *src++; \
- if (multibytep && (c & 0x80)) \
- { \
- if ((c & 0xFE) == 0xC0) \
- c = ((c & 1) << 6) | *src++; \
- else \
- { \
- src--; \
- c = - string_char (src, &src, NULL); \
- record_conversion_result \
- (coding, CODING_RESULT_INVALID_SRC); \
- } \
- } \
- consumed_chars++; \
- } while (0)
-
-
/* Store a byte C in the place pointed by DST and increment DST to the
next free point, and increment PRODUCED_CHARS. The caller should
assure that C is 0..127, and declare and set the variable `dst'
@@ -1051,9 +1030,10 @@ coding_set_source (struct coding_system *coding)
coding->source = SDATA (coding->src_object) + coding->src_pos_byte;
}
else
- /* Otherwise, the source is C string and is never relocated
- automatically. Thus we don't have to update anything. */
- ;
+ {
+ /* Otherwise, the source is C string and is never relocated
+ automatically. Thus we don't have to update anything. */
+ }
}
static void
@@ -1079,9 +1059,10 @@ coding_set_destination (struct coding_system *coding)
}
}
else
- /* Otherwise, the destination is C string and is never relocated
- automatically. Thus we don't have to update anything. */
- ;
+ {
+ /* Otherwise, the destination is C string and is never relocated
+ automatically. Thus we don't have to update anything. */
+ }
}
@@ -1217,7 +1198,6 @@ alloc_destination (struct coding_system *coding, EMACS_INT nbytes,
#define UTF_8_4_OCTET_LEADING_P(c) (((c) & 0xF8) == 0xF0)
#define UTF_8_5_OCTET_LEADING_P(c) (((c) & 0xFC) == 0xF8)
-#define UTF_BOM 0xFEFF
#define UTF_8_BOM_1 0xEF
#define UTF_8_BOM_2 0xBB
#define UTF_8_BOM_3 0xBF
@@ -1318,7 +1298,7 @@ decode_coding_utf_8 (struct coding_system *coding)
int multibytep = coding->src_multibyte;
enum utf_bom_type bom = CODING_UTF_8_BOM (coding);
Lisp_Object attr, charset_list;
- int eol_crlf =
+ int eol_dos =
!inhibit_eol_conversion && EQ (CODING_ID_EOL_TYPE (coding->id), Qdos);
int byte_after_cr = -1;
@@ -1379,7 +1359,7 @@ decode_coding_utf_8 (struct coding_system *coding)
}
else if (UTF_8_1_OCTET_P (c1))
{
- if (eol_crlf && c1 == '\r')
+ if (eol_dos && c1 == '\r')
ONE_MORE_BYTE (byte_after_cr);
c = c1;
}
@@ -1533,11 +1513,6 @@ encode_coding_utf_8 (struct coding_system *coding)
#define UTF_16_LOW_SURROGATE_P(val) \
(((val) & 0xFC00) == 0xDC00)
-#define UTF_16_INVALID_P(val) \
- (((val) == 0xFFFE) \
- || ((val) == 0xFFFF) \
- || UTF_16_LOW_SURROGATE_P (val))
-
static int
detect_coding_utf_16 (struct coding_system *coding,
@@ -1637,7 +1612,7 @@ decode_coding_utf_16 (struct coding_system *coding)
enum utf_16_endian_type endian = CODING_UTF_16_ENDIAN (coding);
int surrogate = CODING_UTF_16_SURROGATE (coding);
Lisp_Object attr, charset_list;
- int eol_crlf =
+ int eol_dos =
!inhibit_eol_conversion && EQ (CODING_ID_EOL_TYPE (coding->id), Qdos);
int byte_after_cr1 = -1, byte_after_cr2 = -1;
@@ -1734,7 +1709,7 @@ decode_coding_utf_16 (struct coding_system *coding)
CODING_UTF_16_SURROGATE (coding) = surrogate = c;
else
{
- if (eol_crlf && c == '\r')
+ if (eol_dos && c == '\r')
{
ONE_MORE_BYTE (byte_after_cr1);
ONE_MORE_BYTE (byte_after_cr2);
@@ -1918,17 +1893,17 @@ detect_coding_emacs_mule (struct coding_system *coding,
it because analyzing it is too heavy for detecting. But,
at least, we check that the composite character
constitutes of more than 4 bytes. */
- const unsigned char *src_base;
+ const unsigned char *src_start;
repeat:
- src_base = src;
+ src_start = src;
do
{
ONE_MORE_BYTE (c);
}
while (c >= 0xA0);
- if (src - src_base <= 4)
+ if (src - src_start <= 4)
break;
found = CATEGORY_MASK_EMACS_MULE;
if (c == 0x80)
@@ -1980,7 +1955,7 @@ detect_coding_emacs_mule (struct coding_system *coding,
the decoded character or rule. If an invalid byte is found, return
-1. If SRC is too short, return -2. */
-int
+static int
emacs_mule_char (struct coding_system *coding, const unsigned char *src,
int *nbytes, int *nchars, int *id,
struct composition_status *cmp_status)
@@ -1988,7 +1963,7 @@ emacs_mule_char (struct coding_system *coding, const unsigned char *src,
const unsigned char *src_end = coding->source + coding->src_bytes;
const unsigned char *src_base = src;
int multibytep = coding->src_multibyte;
- int charset_id;
+ int charset_ID;
unsigned code;
int c;
int consumed_chars = 0;
@@ -1998,7 +1973,7 @@ emacs_mule_char (struct coding_system *coding, const unsigned char *src,
if (c < 0)
{
c = -c;
- charset_id = emacs_mule_charset[0];
+ charset_ID = emacs_mule_charset[0];
}
else
{
@@ -2034,7 +2009,7 @@ emacs_mule_char (struct coding_system *coding, const unsigned char *src,
switch (emacs_mule_bytes[c])
{
case 2:
- if ((charset_id = emacs_mule_charset[c]) < 0)
+ if ((charset_ID = emacs_mule_charset[c]) < 0)
goto invalid_code;
ONE_MORE_BYTE (c);
if (c < 0xA0)
@@ -2047,7 +2022,7 @@ emacs_mule_char (struct coding_system *coding, const unsigned char *src,
|| c == EMACS_MULE_LEADING_CODE_PRIVATE_12)
{
ONE_MORE_BYTE (c);
- if (c < 0xA0 || (charset_id = emacs_mule_charset[c]) < 0)
+ if (c < 0xA0 || (charset_ID = emacs_mule_charset[c]) < 0)
goto invalid_code;
ONE_MORE_BYTE (c);
if (c < 0xA0)
@@ -2056,7 +2031,7 @@ emacs_mule_char (struct coding_system *coding, const unsigned char *src,
}
else
{
- if ((charset_id = emacs_mule_charset[c]) < 0)
+ if ((charset_ID = emacs_mule_charset[c]) < 0)
goto invalid_code;
ONE_MORE_BYTE (c);
if (c < 0xA0)
@@ -2071,7 +2046,7 @@ emacs_mule_char (struct coding_system *coding, const unsigned char *src,
case 4:
ONE_MORE_BYTE (c);
- if (c < 0 || (charset_id = emacs_mule_charset[c]) < 0)
+ if (c < 0 || (charset_ID = emacs_mule_charset[c]) < 0)
goto invalid_code;
ONE_MORE_BYTE (c);
if (c < 0xA0)
@@ -2085,21 +2060,21 @@ emacs_mule_char (struct coding_system *coding, const unsigned char *src,
case 1:
code = c;
- charset_id = ASCII_BYTE_P (code) ? charset_ascii : charset_eight_bit;
+ charset_ID = ASCII_BYTE_P (code) ? charset_ascii : charset_eight_bit;
break;
default:
abort ();
}
CODING_DECODE_CHAR (coding, src, src_base, src_end,
- CHARSET_FROM_ID (charset_id), code, c);
+ CHARSET_FROM_ID (charset_ID), code, c);
if (c < 0)
goto invalid_code;
}
*nbytes = src - src_base;
*nchars = consumed_chars;
if (id)
- *id = charset_id;
+ *id = charset_ID;
return (mseq_found ? -c : c);
no_more_source:
@@ -2372,7 +2347,7 @@ decode_coding_emacs_mule (struct coding_system *coding)
int char_offset = coding->produced_char;
int last_offset = char_offset;
int last_id = charset_ascii;
- int eol_crlf =
+ int eol_dos =
!inhibit_eol_conversion && EQ (CODING_ID_EOL_TYPE (coding->id), Qdos);
int byte_after_cr = -1;
struct composition_status *cmp_status = &coding->spec.emacs_mule.cmp_status;
@@ -2390,7 +2365,7 @@ decode_coding_emacs_mule (struct coding_system *coding)
while (1)
{
- int c, id;
+ int c, id IF_LINT (= 0);
src_base = src;
consumed_chars_base = consumed_chars;
@@ -2422,7 +2397,7 @@ decode_coding_emacs_mule (struct coding_system *coding)
if (c < 0x80)
{
- if (eol_crlf && c == '\r')
+ if (eol_dos && c == '\r')
ONE_MORE_BYTE (byte_after_cr);
id = charset_ascii;
if (cmp_status->state != COMPOSING_NO)
@@ -2435,7 +2410,7 @@ decode_coding_emacs_mule (struct coding_system *coding)
}
else
{
- int nchars, nbytes;
+ int nchars IF_LINT (= 0), nbytes IF_LINT (= 0);
/* emacs_mule_char can load a charset map from a file, which
allocates a large structure and might cause buffer text
to be relocated as result. Thus, we need to remember the
@@ -2903,10 +2878,6 @@ enum iso_code_class_type iso_code_class[256];
((id) <= (coding)->max_charset_id \
&& (coding)->safe_charsets[id] != 255)
-
-#define SHIFT_OUT_OK(category) \
- (CODING_ISO_INITIAL (&coding_categories[category], 1) >= 0)
-
static void
setup_iso_safe_charsets (Lisp_Object attrs)
{
@@ -3023,40 +2994,11 @@ detect_coding_iso_2022 (struct coding_system *coding,
break;
single_shifting = 0;
ONE_MORE_BYTE (c);
- if (c >= '(' && c <= '/')
- {
- /* Designation sequence for a charset of dimension 1. */
- ONE_MORE_BYTE (c1);
- if (c1 < ' ' || c1 >= 0x80
- || (id = iso_charset_table[0][c >= ','][c1]) < 0)
- /* Invalid designation sequence. Just ignore. */
- break;
- }
- else if (c == '$')
- {
- /* Designation sequence for a charset of dimension 2. */
- ONE_MORE_BYTE (c);
- if (c >= '@' && c <= 'B')
- /* Designation for JISX0208.1978, GB2312, or JISX0208. */
- id = iso_charset_table[1][0][c];
- else if (c >= '(' && c <= '/')
- {
- ONE_MORE_BYTE (c1);
- if (c1 < ' ' || c1 >= 0x80
- || (id = iso_charset_table[1][c >= ','][c1]) < 0)
- /* Invalid designation sequence. Just ignore. */
- break;
- }
- else
- /* Invalid designation sequence. Just ignore it. */
- break;
- }
- else if (c == 'N' || c == 'O')
+ if (c == 'N' || c == 'O')
{
/* ESC <Fe> for SS2 or SS3. */
single_shifting = 1;
rejected |= CATEGORY_MASK_ISO_7BIT | CATEGORY_MASK_ISO_8BIT;
- break;
}
else if (c == '1')
{
@@ -3072,36 +3014,66 @@ detect_coding_iso_2022 (struct coding_system *coding,
{
/* ESC <Fp> for start/end composition. */
composition_count = 0;
- break;
}
else
{
- /* Invalid escape sequence. Just ignore it. */
- break;
- }
+ if (c >= '(' && c <= '/')
+ {
+ /* Designation sequence for a charset of dimension 1. */
+ ONE_MORE_BYTE (c1);
+ if (c1 < ' ' || c1 >= 0x80
+ || (id = iso_charset_table[0][c >= ','][c1]) < 0)
+ /* Invalid designation sequence. Just ignore. */
+ break;
+ }
+ else if (c == '$')
+ {
+ /* Designation sequence for a charset of dimension 2. */
+ ONE_MORE_BYTE (c);
+ if (c >= '@' && c <= 'B')
+ /* Designation for JISX0208.1978, GB2312, or JISX0208. */
+ id = iso_charset_table[1][0][c];
+ else if (c >= '(' && c <= '/')
+ {
+ ONE_MORE_BYTE (c1);
+ if (c1 < ' ' || c1 >= 0x80
+ || (id = iso_charset_table[1][c >= ','][c1]) < 0)
+ /* Invalid designation sequence. Just ignore. */
+ break;
+ }
+ else
+ /* Invalid designation sequence. Just ignore it. */
+ break;
+ }
+ else
+ {
+ /* Invalid escape sequence. Just ignore it. */
+ break;
+ }
- /* We found a valid designation sequence for CHARSET. */
- rejected |= CATEGORY_MASK_ISO_8BIT;
- if (SAFE_CHARSET_P (&coding_categories[coding_category_iso_7],
- id))
- found |= CATEGORY_MASK_ISO_7;
- else
- rejected |= CATEGORY_MASK_ISO_7;
- if (SAFE_CHARSET_P (&coding_categories[coding_category_iso_7_tight],
- id))
- found |= CATEGORY_MASK_ISO_7_TIGHT;
- else
- rejected |= CATEGORY_MASK_ISO_7_TIGHT;
- if (SAFE_CHARSET_P (&coding_categories[coding_category_iso_7_else],
- id))
- found |= CATEGORY_MASK_ISO_7_ELSE;
- else
- rejected |= CATEGORY_MASK_ISO_7_ELSE;
- if (SAFE_CHARSET_P (&coding_categories[coding_category_iso_8_else],
- id))
- found |= CATEGORY_MASK_ISO_8_ELSE;
- else
- rejected |= CATEGORY_MASK_ISO_8_ELSE;
+ /* We found a valid designation sequence for CHARSET. */
+ rejected |= CATEGORY_MASK_ISO_8BIT;
+ if (SAFE_CHARSET_P (&coding_categories[coding_category_iso_7],
+ id))
+ found |= CATEGORY_MASK_ISO_7;
+ else
+ rejected |= CATEGORY_MASK_ISO_7;
+ if (SAFE_CHARSET_P (&coding_categories[coding_category_iso_7_tight],
+ id))
+ found |= CATEGORY_MASK_ISO_7_TIGHT;
+ else
+ rejected |= CATEGORY_MASK_ISO_7_TIGHT;
+ if (SAFE_CHARSET_P (&coding_categories[coding_category_iso_7_else],
+ id))
+ found |= CATEGORY_MASK_ISO_7_ELSE;
+ else
+ rejected |= CATEGORY_MASK_ISO_7_ELSE;
+ if (SAFE_CHARSET_P (&coding_categories[coding_category_iso_8_else],
+ id))
+ found |= CATEGORY_MASK_ISO_8_ELSE;
+ else
+ rejected |= CATEGORY_MASK_ISO_8_ELSE;
+ }
break;
case ISO_CODE_SO:
@@ -3129,13 +3101,32 @@ detect_coding_iso_2022 (struct coding_system *coding,
rejected |= CATEGORY_MASK_ISO_7BIT;
if (CODING_ISO_FLAGS (&coding_categories[coding_category_iso_8_1])
& CODING_ISO_FLAG_SINGLE_SHIFT)
- found |= CATEGORY_MASK_ISO_8_1, single_shifting = 1;
+ {
+ found |= CATEGORY_MASK_ISO_8_1;
+ single_shifting = 1;
+ }
if (CODING_ISO_FLAGS (&coding_categories[coding_category_iso_8_2])
& CODING_ISO_FLAG_SINGLE_SHIFT)
- found |= CATEGORY_MASK_ISO_8_2, single_shifting = 1;
+ {
+ found |= CATEGORY_MASK_ISO_8_2;
+ single_shifting = 1;
+ }
if (single_shifting)
break;
- goto check_extra_latin;
+ check_extra_latin:
+ if (! VECTORP (Vlatin_extra_code_table)
+ || NILP (XVECTOR (Vlatin_extra_code_table)->contents[c]))
+ {
+ rejected = CATEGORY_MASK_ISO;
+ break;
+ }
+ if (CODING_ISO_FLAGS (&coding_categories[coding_category_iso_8_1])
+ & CODING_ISO_FLAG_LATIN_EXTRA)
+ found |= CATEGORY_MASK_ISO_8_1;
+ else
+ rejected |= CATEGORY_MASK_ISO_8_1;
+ rejected |= CATEGORY_MASK_ISO_8_2;
+ break;
default:
if (c < 0)
@@ -3158,7 +3149,7 @@ detect_coding_iso_2022 (struct coding_system *coding,
if (! single_shifting
&& ! (rejected & CATEGORY_MASK_ISO_8_2))
{
- int i = 1;
+ int len = 1;
while (src < src_end)
{
src_base = src;
@@ -3168,38 +3159,24 @@ detect_coding_iso_2022 (struct coding_system *coding,
src = src_base;
break;
}
- i++;
+ len++;
}
- if (i & 1 && src < src_end)
+ if (len & 1 && src < src_end)
{
rejected |= CATEGORY_MASK_ISO_8_2;
if (composition_count >= 0)
- composition_count += i;
+ composition_count += len;
}
else
{
found |= CATEGORY_MASK_ISO_8_2;
if (composition_count >= 0)
- composition_count += i / 2;
+ composition_count += len / 2;
}
}
break;
}
- check_extra_latin:
- single_shifting = 0;
- if (! VECTORP (Vlatin_extra_code_table)
- || NILP (XVECTOR (Vlatin_extra_code_table)->contents[c]))
- {
- rejected = CATEGORY_MASK_ISO;
- break;
- }
- if (CODING_ISO_FLAGS (&coding_categories[coding_category_iso_8_1])
- & CODING_ISO_FLAG_LATIN_EXTRA)
- found |= CATEGORY_MASK_ISO_8_1;
- else
- rejected |= CATEGORY_MASK_ISO_8_1;
- rejected |= CATEGORY_MASK_ISO_8_2;
}
}
detect_info->rejected |= CATEGORY_MASK_ISO;
@@ -3309,10 +3286,10 @@ detect_coding_iso_2022 (struct coding_system *coding,
} \
else /* new format (after ver.21) */ \
{ \
- int c; \
+ int b; \
\
- ONE_MORE_BYTE (c); \
- rule = COMPOSITION_ENCODE_RULE (rule - 81, c - 32); \
+ ONE_MORE_BYTE (b); \
+ rule = COMPOSITION_ENCODE_RULE (rule - 81, b - 32); \
if (rule >= 0) \
rule += 0x100; /* to destinguish it from the old format */ \
nbytes = 2; \
@@ -3504,7 +3481,7 @@ decode_coding_iso_2022 (struct coding_system *coding)
int char_offset = coding->produced_char;
int last_offset = char_offset;
int last_id = charset_ascii;
- int eol_crlf =
+ int eol_dos =
!inhibit_eol_conversion && EQ (CODING_ID_EOL_TYPE (coding->id), Qdos);
int byte_after_cr = -1;
int i;
@@ -3624,7 +3601,7 @@ decode_coding_iso_2022 (struct coding_system *coding)
break;
case ISO_control_0:
- if (eol_crlf && c1 == '\r')
+ if (eol_dos && c1 == '\r')
ONE_MORE_BYTE (byte_after_cr);
MAYBE_FINISH_COMPOSITION ();
charset = CHARSET_FROM_ID (charset_ascii);
@@ -3897,6 +3874,10 @@ decode_coding_iso_2022 (struct coding_system *coding)
}
continue;
}
+ break;
+
+ default:
+ abort ();
}
if (cmp_status->state == COMPOSING_NO
@@ -4029,7 +4010,6 @@ decode_coding_iso_2022 (struct coding_system *coding)
const char *intermediate_char_94 = "()*+"; \
const char *intermediate_char_96 = ",-./"; \
int revision = -1; \
- int c; \
\
if (CODING_ISO_FLAGS (coding) & CODING_ISO_FLAG_REVISION) \
revision = CHARSET_ISO_REVISION (charset); \
@@ -4042,11 +4022,12 @@ decode_coding_iso_2022 (struct coding_system *coding)
EMIT_ONE_ASCII_BYTE (ISO_CODE_ESC); \
if (CHARSET_DIMENSION (charset) == 1) \
{ \
+ int b; \
if (! CHARSET_ISO_CHARS_96 (charset)) \
- c = intermediate_char_94[reg]; \
+ b = intermediate_char_94[reg]; \
else \
- c = intermediate_char_96[reg]; \
- EMIT_ONE_ASCII_BYTE (c); \
+ b = intermediate_char_96[reg]; \
+ EMIT_ONE_ASCII_BYTE (b); \
} \
else \
{ \
@@ -4226,7 +4207,7 @@ decode_coding_iso_2022 (struct coding_system *coding)
to use CHARSET. The element `spec.iso_2022' of *CODING is updated.
Return new DST. */
-unsigned char *
+static unsigned char *
encode_invocation_designation (struct charset *charset,
struct coding_system *coding,
unsigned char *dst, int *p_nchars)
@@ -4289,30 +4270,6 @@ encode_invocation_designation (struct charset *charset,
return dst;
}
-/* The following three macros produce codes for indicating direction
- of text. */
-#define ENCODE_CONTROL_SEQUENCE_INTRODUCER \
- do { \
- if (CODING_ISO_FLAGS (coding) == CODING_ISO_FLAG_SEVEN_BITS) \
- EMIT_TWO_ASCII_BYTES (ISO_CODE_ESC, '['); \
- else \
- EMIT_ONE_BYTE (ISO_CODE_CSI); \
- } while (0)
-
-
-#define ENCODE_DIRECTION_R2L() \
- do { \
- ENCODE_CONTROL_SEQUENCE_INTRODUCER (dst); \
- EMIT_TWO_ASCII_BYTES ('2', ']'); \
- } while (0)
-
-
-#define ENCODE_DIRECTION_L2R() \
- do { \
- ENCODE_CONTROL_SEQUENCE_INTRODUCER (dst); \
- EMIT_TWO_ASCII_BYTES ('0', ']'); \
- } while (0)
-
/* Produce codes for designation and invocation to reset the graphic
planes and registers to initial state. */
@@ -4707,7 +4664,7 @@ decode_coding_sjis (struct coding_system *coding)
int char_offset = coding->produced_char;
int last_offset = char_offset;
int last_id = charset_ascii;
- int eol_crlf =
+ int eol_dos =
!inhibit_eol_conversion && EQ (CODING_ID_EOL_TYPE (coding->id), Qdos);
int byte_after_cr = -1;
@@ -4742,7 +4699,7 @@ decode_coding_sjis (struct coding_system *coding)
goto invalid_code;
if (c < 0x80)
{
- if (eol_crlf && c == '\r')
+ if (eol_dos && c == '\r')
ONE_MORE_BYTE (byte_after_cr);
charset = charset_roman;
}
@@ -4824,7 +4781,7 @@ decode_coding_big5 (struct coding_system *coding)
int char_offset = coding->produced_char;
int last_offset = char_offset;
int last_id = charset_ascii;
- int eol_crlf =
+ int eol_dos =
!inhibit_eol_conversion && EQ (CODING_ID_EOL_TYPE (coding->id), Qdos);
int byte_after_cr = -1;
@@ -4857,7 +4814,7 @@ decode_coding_big5 (struct coding_system *coding)
goto invalid_code;
if (c < 0x80)
{
- if (eol_crlf && c == '\r')
+ if (eol_dos && c == '\r')
ONE_MORE_BYTE (byte_after_cr);
charset = charset_roman;
}
@@ -5261,13 +5218,13 @@ encode_coding_ccl (struct coding_system *coding)
static void
decode_coding_raw_text (struct coding_system *coding)
{
- int eol_crlf =
+ int eol_dos =
!inhibit_eol_conversion && EQ (CODING_ID_EOL_TYPE (coding->id), Qdos);
coding->chars_at_source = 1;
coding->consumed_char = coding->src_chars;
coding->consumed = coding->src_bytes;
- if (eol_crlf && coding->source[coding->src_bytes - 1] == '\r')
+ if (eol_dos && coding->source[coding->src_bytes - 1] == '\r')
{
coding->consumed_char--;
coding->consumed--;
@@ -5480,7 +5437,7 @@ decode_coding_charset (struct coding_system *coding)
int char_offset = coding->produced_char;
int last_offset = char_offset;
int last_id = charset_ascii;
- int eol_crlf =
+ int eol_dos =
!inhibit_eol_conversion && EQ (CODING_ID_EOL_TYPE (coding->id), Qdos);
int byte_after_cr = -1;
@@ -5514,7 +5471,7 @@ decode_coding_charset (struct coding_system *coding)
else
{
ONE_MORE_BYTE (c);
- if (eol_crlf && c == '\r')
+ if (eol_dos && c == '\r')
ONE_MORE_BYTE (byte_after_cr);
}
if (c < 0)
@@ -6607,15 +6564,15 @@ get_translation_table (Lisp_Object attrs, int encodep, int *max_lookup)
}
else if (CONSP (translation_table))
{
- Lisp_Object tail, val;
+ Lisp_Object tail;
for (tail = translation_table; CONSP (tail); tail = XCDR (tail))
if (CHAR_TABLE_P (XCAR (tail))
&& CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (XCAR (tail))) > 1)
{
- val = XCHAR_TABLE (XCAR (tail))->extras[1];
- if (NATNUMP (val) && *max_lookup < XFASTINT (val))
- *max_lookup = XFASTINT (val);
+ Lisp_Object tailval = XCHAR_TABLE (XCAR (tail))->extras[1];
+ if (NATNUMP (tailval) && *max_lookup < XFASTINT (tailval))
+ *max_lookup = XFASTINT (tailval);
}
}
}
@@ -7652,12 +7609,12 @@ decode_coding_object (struct coding_system *coding,
Lisp_Object dst_object)
{
int count = SPECPDL_INDEX ();
- unsigned char *destination;
- EMACS_INT dst_bytes;
+ unsigned char *destination IF_LINT (= NULL);
+ EMACS_INT dst_bytes IF_LINT (= 0);
EMACS_INT chars = to - from;
EMACS_INT bytes = to_byte - from_byte;
Lisp_Object attrs;
- int saved_pt = -1, saved_pt_byte;
+ int saved_pt = -1, saved_pt_byte IF_LINT (= 0);
int need_marker_adjustment = 0;
Lisp_Object old_deactivate_mark;
@@ -7845,7 +7802,7 @@ encode_coding_object (struct coding_system *coding,
EMACS_INT chars = to - from;
EMACS_INT bytes = to_byte - from_byte;
Lisp_Object attrs;
- int saved_pt = -1, saved_pt_byte;
+ int saved_pt = -1, saved_pt_byte IF_LINT (= 0);
int need_marker_adjustment = 0;
int kill_src_buffer = 0;
Lisp_Object old_deactivate_mark;
@@ -8178,8 +8135,8 @@ detect_coding_system (const unsigned char *src,
base_category = XINT (CODING_ATTR_CATEGORY (attrs));
if (base_category == coding_category_undecided)
{
- enum coding_category category;
- struct coding_system *this;
+ enum coding_category category IF_LINT (= 0);
+ struct coding_system *this IF_LINT (= NULL);
int c, i;
/* Skip all ASCII bytes except for a few ISO2022 controls. */
@@ -9112,10 +9069,10 @@ Return the corresponding character. */)
}
else
{
- int s1 = c >> 8, s2 = c & 0xFF;
+ int c1 = c >> 8, c2 = c & 0xFF;
- if (s1 < 0x81 || (s1 > 0x9F && s1 < 0xE0) || s1 > 0xEF
- || s2 < 0x40 || s2 == 0x7F || s2 > 0xFC)
+ if (c1 < 0x81 || (c1 > 0x9F && c1 < 0xE0) || c1 > 0xEF
+ || c2 < 0x40 || c2 == 0x7F || c2 > 0xFC)
error ("Invalid code: %d", code);
SJIS_TO_JIS (c);
charset = charset_kanji;
@@ -9798,7 +9755,6 @@ usage: (define-coding-system-internal ...) */)
else if (EQ (coding_type, Qiso_2022))
{
Lisp_Object initial, reg_usage, request, flags;
- int i;
if (nargs < coding_arg_iso2022_max)
goto short_args;
@@ -9830,12 +9786,12 @@ usage: (define-coding-system-internal ...) */)
for (tail = request; ! NILP (tail); tail = Fcdr (tail))
{
int id;
- Lisp_Object tmp;
+ Lisp_Object tmp1;
val = Fcar (tail);
CHECK_CONS (val);
- tmp = XCAR (val);
- CHECK_CHARSET_GET_ID (tmp, id);
+ tmp1 = XCAR (val);
+ CHECK_CHARSET_GET_ID (tmp1, id);
CHECK_NATNUM_CDR (val);
if (XINT (XCDR (val)) >= 4)
error ("Invalid graphic register number: %d", XINT (XCDR (val)));
generated by cgit v1.3 (git 2.53.0) at 2026-07-11 01:01:52 +0000