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authorPatrik Nyblom <[email protected]>2013-07-19 17:51:11 +0200
committerPatrik Nyblom <[email protected]>2013-08-06 16:19:37 +0200
commit390ee65ba78d571fdc0a8fccb6c456d7346eb9bc (patch)
treeefc8ab0612bfa8e02ff1566b9a4c6c3aac4cad0d /erts/emulator/beam
parent7a0cc794dddd65ef825571056b71e3fca7f4f315 (diff)
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Handle CRLF correctly in global regexp
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r--erts/emulator/beam/erl_bif_re.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/erts/emulator/beam/erl_bif_re.c b/erts/emulator/beam/erl_bif_re.c
index 4289c79ba2..12fc834685 100644
--- a/erts/emulator/beam/erl_bif_re.c
+++ b/erts/emulator/beam/erl_bif_re.c
@@ -379,6 +379,8 @@ build_compile_result(Process *p, Eterm error_tag, pcre *result, int errcode, con
Eterm ret;
size_t pattern_size;
int capture_count;
+ int use_crlf;
+ unsigned long options;
if (!result) {
/* Return {error_tag, {Code, String, Offset}} */
int elen = sys_strlen(errstr);
@@ -393,14 +395,20 @@ build_compile_result(Process *p, Eterm error_tag, pcre *result, int errcode, con
} else {
erts_pcre_fullinfo(result, NULL, PCRE_INFO_SIZE, &pattern_size);
erts_pcre_fullinfo(result, NULL, PCRE_INFO_CAPTURECOUNT, &capture_count);
+ erts_pcre_fullinfo(result, NULL, PCRE_INFO_OPTIONS, &options);
+ options &= PCRE_NEWLINE_CR|PCRE_NEWLINE_LF | PCRE_NEWLINE_CRLF |
+ PCRE_NEWLINE_ANY | PCRE_NEWLINE_ANYCRLF;
+ use_crlf = (options == PCRE_NEWLINE_ANY ||
+ options == PCRE_NEWLINE_CRLF ||
+ options == PCRE_NEWLINE_ANYCRLF);
/* XXX: Optimize - keep in offheap binary to allow this to
be kept across traps w/o need of copying */
ret = new_binary(p, (byte *) result, pattern_size);
erts_pcre_free(result);
- hp = HAlloc(p, (with_ok) ? (3+5) : 5);
- ret = TUPLE4(hp,am_re_pattern, make_small(capture_count), make_small(unicode),ret);
+ hp = HAlloc(p, (with_ok) ? (3+6) : 6);
+ ret = TUPLE5(hp,am_re_pattern, make_small(capture_count), make_small(unicode),make_small(use_crlf),ret);
if (with_ok) {
- hp += 5;
+ hp += 6;
ret = TUPLE2(hp,am_ok,ret);
}
}
@@ -875,7 +883,7 @@ re_run(Process *p, Eterm arg1, Eterm arg2, Eterm arg3)
is_list_cap = ((pflags & PARSE_FLAG_CAPTURE_OPT) &&
(capture[CAPSPEC_TYPE] == am_list));
- if (is_not_tuple(arg2) || (arityval(*tuple_val(arg2)) != 4)) {
+ if (is_not_tuple(arg2) || (arityval(*tuple_val(arg2)) != 5)) {
if (is_binary(arg2) || is_list(arg2) || is_nil(arg2)) {
/* Compile from textual RE */
ErlDrvSizeT slen;
@@ -947,7 +955,8 @@ re_run(Process *p, Eterm arg1, Eterm arg2, Eterm arg3)
tp = tuple_val(arg2);
if (tp[1] != am_re_pattern || is_not_small(tp[2]) ||
- is_not_small(tp[3]) || is_not_binary(tp[4])) {
+ is_not_small(tp[3]) || is_not_small(tp[4]) ||
+ is_not_binary(tp[5])) {
BIF_ERROR(p,BADARG);
}
@@ -967,9 +976,9 @@ re_run(Process *p, Eterm arg1, Eterm arg2, Eterm arg3)
}
ovsize = 3*(unsigned_val(tp[2])+1);
- code_size = binary_size(tp[4]);
+ code_size = binary_size(tp[5]);
if ((code_tmp = (const pcre *)
- erts_get_aligned_binary_bytes(tp[4], &temp_alloc)) == NULL) {
+ erts_get_aligned_binary_bytes(tp[5], &temp_alloc)) == NULL) {
erts_free_aligned_binary_bytes(temp_alloc);
BIF_ERROR(p, BADARG);
}
@@ -1055,9 +1064,10 @@ handle_iolist:
#ifdef DEBUG
loop_count = 0xFFFFFFFF;
#endif
-
- rc = erts_pcre_exec(restart.code, &(restart.extra), restart.subject, slength, startoffset,
- options, restart.ovector, ovsize);
+
+ rc = erts_pcre_exec(restart.code, &(restart.extra), restart.subject,
+ slength, startoffset,
+ options, restart.ovector, ovsize);
ASSERT(loop_count != 0xFFFFFFFF);
BUMP_REDS(p, loop_count / LOOP_FACTOR);
if (rc == PCRE_ERROR_LOOP_LIMIT) {