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-rw-r--r--src/coding.h61
1 files changed, 31 insertions, 30 deletions
diff --git a/src/coding.h b/src/coding.h
index 39f9d62462..299c20d0a5 100644
--- a/src/coding.h
+++ b/src/coding.h
@@ -226,7 +226,7 @@ enum coding_attr_index
hash_lookup (XHASH_TABLE (Vcoding_system_hash_table), \
coding_system_symbol, NULL)
-/* Return 1 if CODING_SYSTEM_SYMBOL is a coding system. */
+/* Return true if CODING_SYSTEM_SYMBOL is a coding system. */
#define CODING_SYSTEM_P(coding_system_symbol) \
(CODING_SYSTEM_ID (coding_system_symbol) >= 0 \
@@ -240,7 +240,7 @@ enum coding_attr_index
if (CODING_SYSTEM_ID (x) < 0 \
&& NILP (Fcheck_coding_system (x))) \
wrong_type_argument (Qcoding_system_p, (x)); \
- } while (0)
+ } while (false)
/* Check if X is a coding system or not. If it is, set SEPC to the
@@ -256,7 +256,7 @@ enum coding_attr_index
} \
if (NILP (spec)) \
wrong_type_argument (Qcoding_system_p, (x)); \
- } while (0)
+ } while (false)
/* Check if X is a coding system or not. If it is, set ID to the
@@ -273,7 +273,7 @@ enum coding_attr_index
} \
if (id < 0) \
wrong_type_argument (Qcoding_system_p, (x)); \
- } while (0)
+ } while (false)
/*** GENERAL section ***/
@@ -361,13 +361,13 @@ struct iso_2022_spec
/* True temporarily only when graphic register 2 or 3 is invoked by
single-shift while encoding. */
- unsigned single_shifting : 1;
+ bool_bf single_shifting : 1;
/* True temporarily only when processing at beginning of line. */
- unsigned bol : 1;
+ bool_bf bol : 1;
/* If true, we are now scanning embedded UTF-8 sequence. */
- unsigned embedded_utf_8 : 1;
+ bool_bf embedded_utf_8 : 1;
/* The current composition. */
struct composition_status cmp_status;
@@ -455,11 +455,11 @@ struct coding_system
unsigned char *safe_charsets;
/* The following two members specify how binary 8-bit code 128..255
- are represented in source and destination text respectively. 1
- means they are represented by 2-byte sequence, 0 means they are
+ are represented in source and destination text respectively. True
+ means they are represented by 2-byte sequence, false means they are
represented by 1-byte as is (see the comment in character.h). */
- unsigned src_multibyte : 1;
- unsigned dst_multibyte : 1;
+ bool_bf src_multibyte : 1;
+ bool_bf dst_multibyte : 1;
/* How may heading bytes we can skip for decoding. This is set to
-1 in setup_coding_system, and updated by detect_coding. So,
@@ -510,14 +510,14 @@ struct coding_system
/* True if the source of conversion is not in the member
`charbuf', but at `src_object'. */
- unsigned chars_at_source : 1;
+ bool_bf chars_at_source : 1;
/* Nonzero if the result of conversion is in `destination'
buffer rather than in `dst_object'. */
- unsigned raw_destination : 1;
+ bool_bf raw_destination : 1;
- /* Set to 1 if charbuf contains an annotation. */
- unsigned annotated : 1;
+ /* Set to true if charbuf contains an annotation. */
+ bool_bf annotated : 1;
unsigned char carryover[64];
int carryover_bytes;
@@ -543,28 +543,29 @@ struct coding_system
#define CODING_REQUIRE_DETECTION_MASK 0x1000
#define CODING_RESET_AT_BOL_MASK 0x2000
-/* Return 1 if the coding context CODING requires annotation
+/* Return nonzero if the coding context CODING requires annotation
handling. */
#define CODING_REQUIRE_ANNOTATION(coding) \
((coding)->common_flags & CODING_ANNOTATION_MASK)
-/* Return 1 if the coding context CODING prefers decoding into unibyte. */
+/* Return nonzero if the coding context CODING prefers decoding into
+ unibyte. */
#define CODING_FOR_UNIBYTE(coding) \
((coding)->common_flags & CODING_FOR_UNIBYTE_MASK)
-/* Return 1 if the coding context CODING requires specific code to be
+/* Return nonzero if the coding context CODING requires specific code to be
attached at the tail of converted text. */
#define CODING_REQUIRE_FLUSHING(coding) \
((coding)->common_flags & CODING_REQUIRE_FLUSHING_MASK)
-/* Return 1 if the coding context CODING requires code conversion on
+/* Return nonzero if the coding context CODING requires code conversion on
decoding. */
#define CODING_REQUIRE_DECODING(coding) \
((coding)->dst_multibyte \
|| (coding)->common_flags & CODING_REQUIRE_DECODING_MASK)
-/* Return 1 if the coding context CODING requires code conversion on
+/* Return nonzero if the coding context CODING requires code conversion on
encoding.
The non-multibyte part of the condition is to support encoding of
unibyte strings/buffers generated by string-as-unibyte or
@@ -575,12 +576,12 @@ struct coding_system
|| (coding)->mode & CODING_MODE_SELECTIVE_DISPLAY)
-/* Return 1 if the coding context CODING requires some kind of code
+/* Return nonzero if the coding context CODING requires some kind of code
detection. */
#define CODING_REQUIRE_DETECTION(coding) \
((coding)->common_flags & CODING_REQUIRE_DETECTION_MASK)
-/* Return 1 if the coding context CODING requires code conversion on
+/* Return nonzero if the coding context CODING requires code conversion on
decoding or some kind of code detection. */
#define CODING_MAY_REQUIRE_DECODING(coding) \
(CODING_REQUIRE_DECODING (coding) \
@@ -604,7 +605,7 @@ struct coding_system
(j1 = s1 * 2 - ((s1 >= 0xE0) ? 0x161 : 0xE1), \
j2 = s2 - ((s2 >= 0x7F) ? 0x20 : 0x1F)); \
(code) = (j1 << 8) | j2; \
- } while (0)
+ } while (false)
#define SJIS_TO_JIS2(code) \
do { \
@@ -629,7 +630,7 @@ struct coding_system
j2 = s2 - ((s2 >= 0x7F ? 0x20 : 0x1F)); \
} \
(code) = (j1 << 8) | j2; \
- } while (0)
+ } while (false)
#define JIS_TO_SJIS(code) \
@@ -644,7 +645,7 @@ struct coding_system
(s1 = j1 / 2 + ((j1 < 0x5F) ? 0x70 : 0xB0), \
s2 = j2 + 0x7E); \
(code) = (s1 << 8) | s2; \
- } while (0)
+ } while (false)
#define JIS_TO_SJIS2(code) \
do { \
@@ -668,7 +669,7 @@ struct coding_system
s2 = j2 + 0x7E; \
} \
(code) = (s1 << 8) | s2; \
- } while (0)
+ } while (false)
/* Encode the file name NAME using the specified coding system
for file names, if any. */
@@ -682,18 +683,18 @@ struct coding_system
for system functions, if any. */
#define ENCODE_SYSTEM(str) \
(! NILP (Vlocale_coding_system) \
- ? code_convert_string_norecord (str, Vlocale_coding_system, 1) \
+ ? code_convert_string_norecord (str, Vlocale_coding_system, true) \
: str)
/* Decode the string STR using the specified coding system
for system functions, if any. */
#define DECODE_SYSTEM(str) \
(! NILP (Vlocale_coding_system) \
- ? code_convert_string_norecord (str, Vlocale_coding_system, 0) \
+ ? code_convert_string_norecord (str, Vlocale_coding_system, false) \
: str)
/* Note that this encodes utf-8, not utf-8-emacs, so it's not a no-op. */
-#define ENCODE_UTF_8(str) code_convert_string_norecord (str, Qutf_8, 1)
+#define ENCODE_UTF_8(str) code_convert_string_norecord (str, Qutf_8, true)
/* Extern declarations. */
extern Lisp_Object code_conversion_save (bool, bool);
@@ -759,7 +760,7 @@ extern Lisp_Object from_unicode_buffer (const wchar_t* wstr);
(coding)->src_chars = (coding)->src_bytes = (bytes); \
decode_coding_object ((coding), Qnil, 0, 0, (bytes), (bytes), \
(dst_object)); \
- } while (0)
+ } while (false)
extern Lisp_Object preferred_coding_system (void);