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Diffstat (limited to 'posix/regex.c')
-rw-r--r--posix/regex.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/posix/regex.c b/posix/regex.c
index 8c4ab38954..db0ebc23a5 100644
--- a/posix/regex.c
+++ b/posix/regex.c
@@ -3040,7 +3040,7 @@ re_compile_fastmap (bufp)
case at_dot:
case after_dot:
continue;
-#endif /* not emacs */
+#endif /* emacs */
case no_op:
@@ -3279,6 +3279,17 @@ re_search_2 (bufp, string1, size1, string2, size2, startpos, range, regs, stop)
range = 1;
}
+#ifdef emacs
+ /* In a forward search for something that starts with \=.
+ don't keep searching past point. */
+ if (bufp->used > 0 && (re_opcode_t) bufp->buffer[0] == at_dot && range > 0)
+ {
+ range = PT - startpos;
+ if (range <= 0)
+ return -1;
+ }
+#endif /* emacs */
+
/* Update the fastmap now if not correct already. */
if (fastmap && !bufp->fastmap_accurate)
if (re_compile_fastmap (bufp) == -2)
@@ -4682,13 +4693,6 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
if (PTR_CHAR_POS ((unsigned char *) d) <= point)
goto fail;
break;
-#if 0 /* not emacs19 */
- case at_dot:
- DEBUG_PRINT1 ("EXECUTING at_dot.\n");
- if (PTR_CHAR_POS ((unsigned char *) d) + 1 != point)
- goto fail;
- break;
-#endif /* not emacs19 */
case syntaxspec:
DEBUG_PRINT2 ("EXECUTING syntaxspec %d.\n", mcnt);