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authorRoland McGrath <roland@gnu.org>1995-12-17 10:00:23 +0000
committerRoland McGrath <roland@gnu.org>1995-12-17 10:00:23 +0000
commit102800e09dd56055f0e1a6f6868bfa5ac87d9459 (patch)
tree329f55611d2fec8220c9253d94f94b6e703a47c4 /posix
parent293e360a253166ba57b1b4ae245b2f73043d8d4b (diff)
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Sat Dec 16 10:33:11 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>cvs/libc-951217
* Makerules: Use $(do-install-so) for installing shared objects. (do-install-so): New canned sequence. Make a symlink LIB.so after installing LIB.so.VERSION. * inet/netinet/in.h: Fixed typo in IPPORT_WHOIS.
Diffstat (limited to 'posix')
-rw-r--r--posix/regex.c53
1 files changed, 46 insertions, 7 deletions
diff --git a/posix/regex.c b/posix/regex.c
index b4d87ed..ee066b5 100644
--- a/posix/regex.c
+++ b/posix/regex.c
@@ -3448,12 +3448,14 @@ static boolean alt_match_null_string_p (),
: (d) == string2 - 1 ? *(end1 - 1) : *(d)) \
== Sword)
+/* Disabled due to a compiler bug -- see comment at case wordbound */
+#if 0
/* Test if the character before D and the one at D differ with respect
to being word-constituent. */
#define AT_WORD_BOUNDARY(d) \
(AT_STRINGS_BEG (d) || AT_STRINGS_END (d) \
|| WORDCHAR_P (d - 1) != WORDCHAR_P (d))
-
+#endif
/* Free everything we malloc. */
#ifdef MATCH_MAY_ALLOCATE
@@ -4677,17 +4679,54 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
break;
}
- case wordbound:
- DEBUG_PRINT1 ("EXECUTING wordbound.\n");
- if (AT_WORD_BOUNDARY (d))
+#if 0
+ /* The DEC Alpha C compiler 3.x generates incorrect code for the
+ test WORDCHAR_P (d - 1) != WORDCHAR_P (d) in the expansion of
+ AT_WORD_BOUNDARY, so this code is disabled. Expanding the
+ macro and introducing temporary variables works around the bug. */
+
+ case wordbound:
+ DEBUG_PRINT1 ("EXECUTING wordbound.\n");
+ if (AT_WORD_BOUNDARY (d))
break;
- goto fail;
+ goto fail;
case notwordbound:
- DEBUG_PRINT1 ("EXECUTING notwordbound.\n");
+ DEBUG_PRINT1 ("EXECUTING notwordbound.\n");
if (AT_WORD_BOUNDARY (d))
goto fail;
- break;
+ break;
+#else
+ case wordbound:
+ {
+ boolean prevchar, thischar;
+
+ DEBUG_PRINT1 ("EXECUTING wordbound.\n");
+ if (AT_STRINGS_BEG (d) || AT_STRINGS_END (d))
+ break;
+
+ prevchar = WORDCHAR_P (d - 1);
+ thischar = WORDCHAR_P (d);
+ if (prevchar != thischar)
+ break;
+ goto fail;
+ }
+
+ case notwordbound:
+ {
+ boolean prevchar, thischar;
+
+ DEBUG_PRINT1 ("EXECUTING notwordbound.\n");
+ if (AT_STRINGS_BEG (d) || AT_STRINGS_END (d))
+ goto fail;
+
+ prevchar = WORDCHAR_P (d - 1);
+ thischar = WORDCHAR_P (d);
+ if (prevchar != thischar)
+ goto fail;
+ break;
+ }
+#endif
case wordbeg:
DEBUG_PRINT1 ("EXECUTING wordbeg.\n");