diff options
author | duerst <duerst@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-01-27 08:55:40 +0000 |
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committer | duerst <duerst@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-01-27 08:55:40 +0000 |
commit | 415949faba4dc741bd03e0ab34fdcfeb894b8b61 (patch) | |
tree | 156a603204bc8a0d5adfc9e1c85ae436c70e91db | |
parent | 75687e0affefe4c8ff2e6d356abe29062899074c (diff) | |
download | ruby-415949faba4dc741bd03e0ab34fdcfeb894b8b61.tar.gz |
* enc/unicode.c: Protect code point count by macro, in order to
be able to use the remaining bits for flags.
(with Kimihito Matsui)
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53669 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 6 | ||||
-rw-r--r-- | enc/unicode.c | 47 |
2 files changed, 31 insertions, 22 deletions
@@ -1,3 +1,9 @@ +Wed Jan 27 17:54:42 2016 Martin Duerst <duerst@it.aoyama.ac.jp> + + * enc/unicode.c: Protect code point count by macro, in order to + be able to use the remaining bits for flags. + (with Kimihito Matsui) + Wed Jan 27 16:34:35 2016 boshan <boshan@subsplash.com> * lib/tempfile.rb (Tempfile#initialize): [DOC] the first parameter diff --git a/enc/unicode.c b/enc/unicode.c index 086fe14494..4fb742a034 100644 --- a/enc/unicode.c +++ b/enc/unicode.c @@ -71,6 +71,9 @@ static const unsigned short EncUNICODE_ISO_8859_1_CtypeTable[256] = { 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2 }; +/* use bottom bytes for actual code point count; 3 bits is more than enough */ +#define OnigCodePointCount(n) ((n)&0x111) + typedef struct { int n; OnigCodePoint code[3]; @@ -247,7 +250,7 @@ onigenc_unicode_mbc_case_fold(OnigEncoding enc, #endif if ((to = onigenc_unicode_fold_lookup(code)) != 0) { - if (to->n == 1) { + if (OnigCodePointCount(to->n) == 1) { return ONIGENC_CODE_TO_MBC(enc, to->code[0], fold); } #if 0 @@ -258,7 +261,7 @@ onigenc_unicode_mbc_case_fold(OnigEncoding enc, #endif { rlen = 0; - for (i = 0; i < to->n; i++) { + for (i = 0; i < OnigCodePointCount(to->n); i++) { len = ONIGENC_CODE_TO_MBC(enc, to->code[i], fold); fold += len; rlen += len; @@ -284,7 +287,7 @@ onigenc_unicode_apply_all_case_fold(OnigCaseFoldType flag, for (i = 0; i < numberof(CaseUnfold_11); i++) { p11 = &CaseUnfold_11[i]; - for (j = 0; j < p11->to.n; j++) { + for (j = 0; j < OnigCodePointCount(p11->to.n); j++) { code = p11->from; r = (*f)(p11->to.code[j], &code, 1, arg); if (r != 0) return r; @@ -323,7 +326,7 @@ onigenc_unicode_apply_all_case_fold(OnigCaseFoldType flag, #endif for (i = 0; i < numberof(CaseUnfold_11_Locale); i++) { p11 = &CaseUnfold_11_Locale[i]; - for (j = 0; j < p11->to.n; j++) { + for (j = 0; j < OnigCodePointCount(p11->to.n); j++) { code = p11->from; r = (*f)(p11->to.code[j], &code, 1, arg); if (r != 0) return r; @@ -349,12 +352,12 @@ onigenc_unicode_apply_all_case_fold(OnigCaseFoldType flag, if ((flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) { for (i = 0; i < numberof(CaseUnfold_12); i++) { - for (j = 0; j < CaseUnfold_12[i].to.n; j++) { + for (j = 0; j < OnigCodePointCount(CaseUnfold_12[i].to.n); j++) { r = (*f)(CaseUnfold_12[i].to.code[j], (OnigCodePoint* )CaseUnfold_12[i].from, 2, arg); if (r != 0) return r; - for (k = 0; k < CaseUnfold_12[i].to.n; k++) { + for (k = 0; k < OnigCodePointCount(CaseUnfold_12[i].to.n); k++) { if (k == j) continue; r = (*f)(CaseUnfold_12[i].to.code[j], @@ -368,12 +371,12 @@ onigenc_unicode_apply_all_case_fold(OnigCaseFoldType flag, if ((flag & ONIGENC_CASE_FOLD_TURKISH_AZERI) == 0) { #endif for (i = 0; i < numberof(CaseUnfold_12_Locale); i++) { - for (j = 0; j < CaseUnfold_12_Locale[i].to.n; j++) { + for (j = 0; j < OnigCodePointCount(CaseUnfold_12_Locale[i].to.n); j++) { r = (*f)(CaseUnfold_12_Locale[i].to.code[j], (OnigCodePoint* )CaseUnfold_12_Locale[i].from, 2, arg); if (r != 0) return r; - for (k = 0; k < CaseUnfold_12_Locale[i].to.n; k++) { + for (k = 0; k < OnigCodePointCount(CaseUnfold_12_Locale[i].to.n); k++) { if (k == j) continue; r = (*f)(CaseUnfold_12_Locale[i].to.code[j], @@ -388,12 +391,12 @@ onigenc_unicode_apply_all_case_fold(OnigCaseFoldType flag, #endif for (i = 0; i < numberof(CaseUnfold_13); i++) { - for (j = 0; j < CaseUnfold_13[i].to.n; j++) { + for (j = 0; j < OnigCodePointCount(CaseUnfold_13[i].to.n); j++) { r = (*f)(CaseUnfold_13[i].to.code[j], (OnigCodePoint* )CaseUnfold_13[i].from, 3, arg); if (r != 0) return r; - for (k = 0; k < CaseUnfold_13[i].to.n; k++) { + for (k = 0; k < OnigCodePointCount(CaseUnfold_13[i].to.n); k++) { if (k == j) continue; r = (*f)(CaseUnfold_13[i].to.code[j], @@ -452,7 +455,7 @@ onigenc_unicode_get_case_fold_codes_by_str(OnigEncoding enc, #endif if ((to = onigenc_unicode_fold_lookup(code)) != 0) { - if (to->n == 1) { + if (OnigCodePointCount(to->n) == 1) { OnigCodePoint orig_code = code; items[0].byte_len = len; @@ -462,7 +465,7 @@ onigenc_unicode_get_case_fold_codes_by_str(OnigEncoding enc, code = to->code[0]; if ((to = onigenc_unicode_unfold1_lookup(code)) != 0) { - for (i = 0; i < to->n; i++) { + for (i = 0; i < OnigCodePointCount(to->n); i++) { if (to->code[i] != orig_code) { items[n].byte_len = len; items[n].code_len = 1; @@ -476,13 +479,13 @@ onigenc_unicode_get_case_fold_codes_by_str(OnigEncoding enc, OnigCodePoint cs[3][4]; int fn, ncs[3]; - for (fn = 0; fn < to->n; fn++) { + for (fn = 0; fn < OnigCodePointCount(to->n); fn++) { cs[fn][0] = to->code[fn]; if ((z3 = onigenc_unicode_unfold1_lookup(cs[fn][0])) != 0) { - for (i = 0; i < z3->n; i++) { + for (i = 0; i < OnigCodePointCount(z3->n); i++) { cs[fn][i+1] = z3->code[i]; } - ncs[fn] = z3->n + 1; + ncs[fn] = OnigCodePointCount(z3->n) + 1; } else ncs[fn] = 1; @@ -500,7 +503,7 @@ onigenc_unicode_get_case_fold_codes_by_str(OnigEncoding enc, } if ((z2 = onigenc_unicode_unfold2_lookup(to->code)) != 0) { - for (i = 0; i < z2->n; i++) { + for (i = 0; i < OnigCodePointCount(z2->n); i++) { if (z2->code[i] == code) continue; items[n].byte_len = len; @@ -525,7 +528,7 @@ onigenc_unicode_get_case_fold_codes_by_str(OnigEncoding enc, } if ((z2 = onigenc_unicode_unfold3_lookup(to->code)) != 0) { - for (i = 0; i < z2->n; i++) { + for (i = 0; i < OnigCodePointCount(z2->n); i++) { if (z2->code[i] == code) continue; items[n].byte_len = len; @@ -542,7 +545,7 @@ onigenc_unicode_get_case_fold_codes_by_str(OnigEncoding enc, } else { if ((to = onigenc_unicode_unfold1_lookup(code)) != 0) { - for (i = 0; i < to->n; i++) { + for (i = 0; i < OnigCodePointCount(to->n); i++) { items[n].byte_len = len; items[n].code_len = 1; items[n].code[0] = to->code[i]; @@ -560,7 +563,7 @@ onigenc_unicode_get_case_fold_codes_by_str(OnigEncoding enc, codes[0] = code; code = ONIGENC_MBC_TO_CODE(enc, p, end); if ((to = onigenc_unicode_fold_lookup(code)) != 0 - && to->n == 1) { + && OnigCodePointCount(to->n) == 1) { codes[1] = to->code[0]; } else @@ -569,7 +572,7 @@ onigenc_unicode_get_case_fold_codes_by_str(OnigEncoding enc, clen = enclen(enc, p, end); len += clen; if ((z2 = onigenc_unicode_unfold2_lookup(codes)) != 0) { - for (i = 0; i < z2->n; i++) { + for (i = 0; i < OnigCodePointCount(z2->n); i++) { items[n].byte_len = len; items[n].code_len = 1; items[n].code[0] = z2->code[i]; @@ -581,7 +584,7 @@ onigenc_unicode_get_case_fold_codes_by_str(OnigEncoding enc, if (p < end) { code = ONIGENC_MBC_TO_CODE(enc, p, end); if ((to = onigenc_unicode_fold_lookup(code)) != 0 - && to->n == 1) { + && OnigCodePointCount(to->n) == 1) { codes[2] = to->code[0]; } else @@ -590,7 +593,7 @@ onigenc_unicode_get_case_fold_codes_by_str(OnigEncoding enc, clen = enclen(enc, p, end); len += clen; if ((z2 = onigenc_unicode_unfold3_lookup(codes)) != 0) { - for (i = 0; i < z2->n; i++) { + for (i = 0; i < OnigCodePointCount(z2->n); i++) { items[n].byte_len = len; items[n].code_len = 1; items[n].code[0] = z2->code[i]; |