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-rw-r--r--erts/emulator/beam/bif.tab1
-rw-r--r--erts/emulator/beam/erl_bif_re.c30
2 files changed, 27 insertions, 4 deletions
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index db9c258cb7..602db106b1 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -413,6 +413,7 @@ bif re:compile/1
bif re:compile/2
bif re:run/2
bif re:run/3
+bif re:internal_run/4
#
# Bifs in lists module.
diff --git a/erts/emulator/beam/erl_bif_re.c b/erts/emulator/beam/erl_bif_re.c
index e0b9202fe7..b3bf1c7ee3 100644
--- a/erts/emulator/beam/erl_bif_re.c
+++ b/erts/emulator/beam/erl_bif_re.c
@@ -46,7 +46,7 @@ static Export *urun_trap_exportp = NULL;
static Export *ucompile_trap_exportp = NULL;
static BIF_RETTYPE re_exec_trap(BIF_ALIST_3);
-static BIF_RETTYPE re_run(Process *p, Eterm arg1, Eterm arg2, Eterm arg3);
+static BIF_RETTYPE re_run(Process *p, Eterm arg1, Eterm arg2, Eterm arg3, int first);
static void *erts_erts_pcre_malloc(size_t size) {
return erts_alloc(ERTS_ALC_T_RE_HEAP,size);
@@ -1094,7 +1094,7 @@ build_capture(Eterm capture_spec[CAPSPEC_SIZE], const pcre *code)
* The actual re:run/2,3 BIFs
*/
static BIF_RETTYPE
-re_run(Process *p, Eterm arg1, Eterm arg2, Eterm arg3)
+re_run(Process *p, Eterm arg1, Eterm arg2, Eterm arg3, int first)
{
const pcre *code_tmp;
RestartContext restart;
@@ -1120,6 +1120,14 @@ re_run(Process *p, Eterm arg1, Eterm arg2, Eterm arg3)
< 0) {
BIF_ERROR(p,BADARG);
}
+ if (!first) {
+ /*
+ * 'first' is false when re:grun() previously has called re:internal_run()
+ * with the same subject; i.e., no need to do yet another validation of
+ * the subject regarding utf8 encoding...
+ */
+ options |= PCRE_NO_UTF8_CHECK;
+ }
is_list_cap = ((pflags & PARSE_FLAG_CAPTURE_OPT) &&
(capture[CAPSPEC_TYPE] == am_list));
@@ -1360,15 +1368,28 @@ handle_iolist:
}
BIF_RETTYPE
+re_internal_run_4(BIF_ALIST_4)
+{
+ int first;
+ if (BIF_ARG_4 == am_false)
+ first = 0;
+ else if (BIF_ARG_4 == am_true)
+ first = !0;
+ else
+ BIF_ERROR(BIF_P,BADARG);
+ return re_run(BIF_P,BIF_ARG_1, BIF_ARG_2, BIF_ARG_3, first);
+}
+
+BIF_RETTYPE
re_run_3(BIF_ALIST_3)
{
- return re_run(BIF_P,BIF_ARG_1, BIF_ARG_2, BIF_ARG_3);
+ return re_run(BIF_P,BIF_ARG_1, BIF_ARG_2, BIF_ARG_3, !0);
}
BIF_RETTYPE
re_run_2(BIF_ALIST_2)
{
- return re_run(BIF_P,BIF_ARG_1, BIF_ARG_2, NIL);
+ return re_run(BIF_P,BIF_ARG_1, BIF_ARG_2, NIL, !0);
}
/*
@@ -1407,6 +1428,7 @@ static BIF_RETTYPE re_exec_trap(BIF_ALIST_3)
loop_count = 0xFFFFFFFF;
#endif
rc = erts_pcre_exec(NULL, &(restartp->extra), NULL, 0, 0, 0, NULL, 0);
+
ASSERT(loop_count != 0xFFFFFFFF);
BUMP_REDS(BIF_P, loop_count / LOOP_FACTOR);
if (rc == PCRE_ERROR_LOOP_LIMIT) {