diff options
Diffstat (limited to 'src/coding.h')
| -rw-r--r-- | src/coding.h | 63 |
1 files changed, 29 insertions, 34 deletions
diff --git a/src/coding.h b/src/coding.h index 4e8b1056e43..ffd839f4212 100644 --- a/src/coding.h +++ b/src/coding.h @@ -434,11 +434,37 @@ struct coding_system /* Flag bits of the coding system. The meaning of each bit is common to all types of coding systems. */ - int common_flags; + unsigned common_flags : 14; /* Mode bits of the coding system. See the comments of the macros CODING_MODE_XXX. */ - unsigned int mode; + unsigned mode : 5; + + /* The following two members specify how binary 8-bit code 128..255 + 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). */ + bool_bf src_multibyte : 1; + bool_bf dst_multibyte : 1; + + /* True if the source of conversion is not in the member + `charbuf', but at `src_object'. */ + bool_bf chars_at_source : 1; + + /* Nonzero if the result of conversion is in `destination' + buffer rather than in `dst_object'. */ + bool_bf raw_destination : 1; + + /* Set to true if charbuf contains an annotation. */ + bool_bf annotated : 1; + + /* Used internally in coding.c. See the comment of detect_ascii. */ + unsigned eol_seen : 3; + + /* Finish status of code conversion. */ + ENUM_BF (coding_result_code) result : 3; + + int max_charset_id; /* Detailed information specific to each type of coding system. */ union @@ -451,16 +477,8 @@ struct coding_system struct undecided_spec undecided; } spec; - int max_charset_id; unsigned char *safe_charsets; - /* The following two members specify how binary 8-bit code 128..255 - 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). */ - 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, when this is equal to the byte length of the text being @@ -472,21 +490,9 @@ struct coding_system sequence. Set by detect_coding_utf_8. */ ptrdiff_t detected_utf8_bytes, detected_utf8_chars; - /* Used internally in coding.c. See the comment of detect_ascii. */ - int eol_seen; - /* The following members are set by encoding/decoding routine. */ ptrdiff_t produced, produced_char, consumed, consumed_char; - /* Number of error source data found in a decoding routine. */ - ptrdiff_t errors; - - /* Store the positions of error source data. */ - ptrdiff_t *error_positions; - - /* Finish status of code conversion. */ - enum coding_result_code result; - ptrdiff_t src_pos, src_pos_byte, src_chars, src_bytes; Lisp_Object src_object; const unsigned char *source; @@ -510,17 +516,6 @@ struct coding_system int *charbuf; int charbuf_size, charbuf_used; - /* True if the source of conversion is not in the member - `charbuf', but at `src_object'. */ - bool_bf chars_at_source : 1; - - /* Nonzero if the result of conversion is in `destination' - buffer rather than in `dst_object'. */ - bool_bf raw_destination : 1; - - /* Set to true if charbuf contains an annotation. */ - bool_bf annotated : 1; - unsigned char carryover[64]; int carryover_bytes; @@ -743,7 +738,7 @@ extern wchar_t *to_unicode (Lisp_Object str, Lisp_Object *buf); extern Lisp_Object from_unicode (Lisp_Object str); /* Convert WSTR to an Emacs string. */ -extern Lisp_Object from_unicode_buffer (const wchar_t* wstr); +extern Lisp_Object from_unicode_buffer (const wchar_t *wstr); #endif /* WINDOWSNT || CYGWIN */ |