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| author | Leonhard Holz <leonhard.holz@web.de> | 2015-05-12 11:37:52 +0200 |
|---|---|---|
| committer | Ondřej Bílka <neleai@seznam.cz> | 2015-05-12 11:37:52 +0200 |
| commit | f13c2a8dff2329c6692a80176262ceaaf8a6f74e (patch) | |
| tree | dd2443fba95dd55830d0d0e745a055ef3981c506 /locale | |
| parent | 34cb304e5a6df706e186d504b69af974bfc15a2f (diff) | |
| download | glibc-f13c2a8dff2329c6692a80176262ceaaf8a6f74e.zip glibc-f13c2a8dff2329c6692a80176262ceaaf8a6f74e.tar.gz glibc-f13c2a8dff2329c6692a80176262ceaaf8a6f74e.tar.bz2 | |
Improve strcoll with strdiff.
This patch improves strcoll hot case by finding first byte that
mismatches. That is in likely case enough to determine comparison
result.
Diffstat (limited to 'locale')
| -rw-r--r-- | locale/C-collate.c | 4 | ||||
| -rw-r--r-- | locale/categories.def | 1 | ||||
| -rw-r--r-- | locale/langinfo.h | 1 | ||||
| -rw-r--r-- | locale/localeinfo.h | 8 | ||||
| -rw-r--r-- | locale/programs/ld-collate.c | 9 |
5 files changed, 22 insertions, 1 deletions
diff --git a/locale/C-collate.c b/locale/C-collate.c index 06dfdfa..d7f3c55 100644 --- a/locale/C-collate.c +++ b/locale/C-collate.c @@ -144,6 +144,8 @@ const struct __locale_data _nl_C_LC_COLLATE attribute_hidden = /* _NL_COLLATE_COLLSEQWC */ { .string = (const char *) collseqwc }, /* _NL_COLLATE_CODESET */ - { .string = _nl_C_codeset } + { .string = _nl_C_codeset }, + /* _NL_COLLATE_ENCODING_TYPE */ + { .word = __cet_8bit } } }; diff --git a/locale/categories.def b/locale/categories.def index a8dda53..045489d 100644 --- a/locale/categories.def +++ b/locale/categories.def @@ -58,6 +58,7 @@ DEFINE_CATEGORY DEFINE_ELEMENT (_NL_COLLATE_COLLSEQMB, "collate-collseqmb", std, wstring) DEFINE_ELEMENT (_NL_COLLATE_COLLSEQWC, "collate-collseqwc", std, wstring) DEFINE_ELEMENT (_NL_COLLATE_CODESET, "collate-codeset", std, string) + DEFINE_ELEMENT (_NL_COLLATE_ENCODING_TYPE, "collate-encoding-type", std, word) ), NO_POSTLOAD) diff --git a/locale/langinfo.h b/locale/langinfo.h index a565d9d..ffc5c7f 100644 --- a/locale/langinfo.h +++ b/locale/langinfo.h @@ -255,6 +255,7 @@ enum _NL_COLLATE_COLLSEQMB, _NL_COLLATE_COLLSEQWC, _NL_COLLATE_CODESET, + _NL_COLLATE_ENCODING_TYPE, _NL_NUM_LC_COLLATE, /* LC_CTYPE category: character classification. diff --git a/locale/localeinfo.h b/locale/localeinfo.h index 1d2ee00..bdab9fe 100644 --- a/locale/localeinfo.h +++ b/locale/localeinfo.h @@ -110,6 +110,14 @@ enum coll_sort_rule sort_mask }; +/* Collation encoding type. */ +enum collation_encoding_type +{ + __cet_other, + __cet_8bit, + __cet_utf8 +}; + /* We can map the types of the entries into a few categories. */ enum value_type { diff --git a/locale/programs/ld-collate.c b/locale/programs/ld-collate.c index dc0fe30..a39a94f 100644 --- a/locale/programs/ld-collate.c +++ b/locale/programs/ld-collate.c @@ -32,6 +32,7 @@ #include "linereader.h" #include "locfile.h" #include "elem-hash.h" +#include "../localeinfo.h" /* Uncomment the following line in the production version. */ /* #define NDEBUG 1 */ @@ -2130,6 +2131,8 @@ collate_output (struct localedef_t *locale, const struct charmap_t *charmap, /* The words have to be handled specially. */ if (idx == _NL_ITEM_INDEX (_NL_COLLATE_SYMB_HASH_SIZEMB)) add_locale_uint32 (&file, 0); + else if (idx == _NL_ITEM_INDEX (_NL_COLLATE_ENCODING_TYPE)) + add_locale_uint32 (&file, __cet_other); else add_locale_empty (&file); } @@ -2493,6 +2496,12 @@ collate_output (struct localedef_t *locale, const struct charmap_t *charmap, add_locale_raw_data (&file, collate->mbseqorder, 256); add_locale_collseq_table (&file, &collate->wcseqorder); add_locale_string (&file, charmap->code_set_name); + if (strcmp (charmap->code_set_name, "UTF-8") == 0) + add_locale_uint32 (&file, __cet_utf8); + else if (charmap->mb_cur_max == 1) + add_locale_uint32 (&file, __cet_8bit); + else + add_locale_uint32 (&file, __cet_other); write_locale_data (output_path, LC_COLLATE, "LC_COLLATE", &file); obstack_free (&weightpool, NULL); |