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authorJarkko Hietaniemi <jhi@iki.fi>2002-02-05 14:25:36 +0000
committerJarkko Hietaniemi <jhi@iki.fi>2002-02-05 14:25:36 +0000
commitebc501f0d71ea004ab6861cc2b4fb1f7e49fd2ae (patch)
tree3e150f9929abb5749f396b62d54ebdaf0e417ecf
parent235effa7b5c9fbd981ec8a3ce25cf49408967844 (diff)
downloadperl-ebc501f0d71ea004ab6861cc2b4fb1f7e49fd2ae.tar.gz
EBCDIC: SHARP S is different.
p4raw-id: //depot/perl@14561
-rw-r--r--regexec.c11
-rw-r--r--utf8.h15
2 files changed, 21 insertions, 5 deletions
diff --git a/regexec.c b/regexec.c
index 830488afc1..8bd2284f29 100644
--- a/regexec.c
+++ b/regexec.c
@@ -924,8 +924,11 @@ S_find_byclass(pTHX_ regexp * prog, regnode *c, char *s, char *strend, char *sta
STRLEN skip = do_utf8 ? UTF8SKIP(s) : 1;
if (reginclass(c, (U8*)s, do_utf8) ||
- (ANYOF_UNICODE_FOLD_SHARP_S(c, s, strend) &&
- (skip = 2))) {
+ (ANYOF_FOLD_SHARP_S(c, s, strend) &&
+ /* The assignment of 2 is intentional:
+ * for the sharp s, the skip is 2. */
+ (skip = SHARP_S_SKIP)
+ )) {
if (tmp && (norun || regtry(prog, s)))
goto got_it;
else
@@ -2439,8 +2442,8 @@ S_regmatch(pTHX_ regnode *prog)
/* If we might have the case of the German sharp s
* in a casefolding Unicode character class. */
- if (ANYOF_UNICODE_FOLD_SHARP_S(scan, locinput, PL_regeol)) {
- locinput += 2;
+ if (ANYOF_FOLD_SHARP_S(scan, locinput, PL_regeol)) {
+ locinput += SHARP_S_SKIP;
nextchr = UCHARAT(locinput);
}
else
diff --git a/utf8.h b/utf8.h
index c69cd86bfb..49531a99ef 100644
--- a/utf8.h
+++ b/utf8.h
@@ -194,15 +194,28 @@ END_EXTERN_C
#define UNICODE_GREEK_SMALL_LETTER_FINAL_SIGMA 0x03C2
#define UNICODE_GREEK_SMALL_LETTER_SIGMA 0x03C3
+#define EBCDIC_LATIN_SMALL_LETTER_SHARP_S 0x0059
+
#define UNI_DISPLAY_ISPRINT 0x0001
#define UNI_DISPLAY_BACKSLASH 0x0002
#define UNI_DISPLAY_QQ (UNI_DISPLAY_ISPRINT|UNI_DISPLAY_BACKSLASH)
#define UNI_DISPLAY_REGEX (UNI_DISPLAY_ISPRINT|UNI_DISPLAY_BACKSLASH)
-#define ANYOF_UNICODE_FOLD_SHARP_S(node, input, end) \
+#ifdef EBCDIC
+# define ANYOF_FOLD_SHARP_S(node, input, end) \
+ (ANYOF_BITMAP_TEST(node, EBCDIC_LATIN_SMALL_LETTER_SHARP_S) && \
+ (ANYOF_FLAGS(node) & ANYOF_UNICODE) && \
+ (ANYOF_FLAGS(node) & ANYOF_FOLD) && \
+ ((end) > (input) + 1) && \
+ toLOWER((input)[0]) == 's' && \
+ toLOWER((input)[1]) == 's')
+#else
+# define ANYOF_FOLD_SHARP_S(node, input, end) \
(ANYOF_BITMAP_TEST(node, UNICODE_LATIN_SMALL_LETTER_SHARP_S) && \
(ANYOF_FLAGS(node) & ANYOF_UNICODE) && \
(ANYOF_FLAGS(node) & ANYOF_FOLD) && \
((end) > (input) + 1) && \
toLOWER((input)[0]) == 's' && \
toLOWER((input)[1]) == 's')
+#endif
+#define SHARP_S_SKIP 2