1 files changed, 45 insertions, 0 deletions
diff --git a/src/civetweb/src/third_party/duktape-1.8.0/src-separate/duk_hstring_misc.c b/src/civetweb/src/third_party/duktape-1.8.0/src-separate/duk_hstring_misc.c
new file mode 100644
index 000000000..b68514752
--- /dev/null
+++ b/src/civetweb/src/third_party/duktape-1.8.0/src-separate/duk_hstring_misc.c
@@ -0,0 +1,45 @@
+/*
+ *  Misc support functions
+ */
+
+#include "duk_internal.h"
+
+DUK_INTERNAL duk_ucodepoint_t duk_hstring_char_code_at_raw(duk_hthread *thr, duk_hstring *h, duk_uint_t pos) {
+	duk_uint32_t boff;
+	const duk_uint8_t *p, *p_start, *p_end;
+	duk_ucodepoint_t cp;
+
+	/* Caller must check character offset to be inside the string. */
+	DUK_ASSERT(thr != NULL);
+	DUK_ASSERT(h != NULL);
+	DUK_ASSERT_DISABLE(pos >= 0);  /* unsigned */
+	DUK_ASSERT(pos < (duk_uint_t) DUK_HSTRING_GET_CHARLEN(h));
+
+	boff = duk_heap_strcache_offset_char2byte(thr, h, (duk_uint32_t) pos);
+	DUK_DDD(DUK_DDDPRINT("charCodeAt: pos=%ld -> boff=%ld, str=%!O",
+	                     (long) pos, (long) boff, (duk_heaphdr *) h));
+	DUK_ASSERT_DISABLE(boff >= 0);
+	DUK_ASSERT(boff < DUK_HSTRING_GET_BYTELEN(h));
+
+	p_start = DUK_HSTRING_GET_DATA(h);
+	p_end = p_start + DUK_HSTRING_GET_BYTELEN(h);
+	p = p_start + boff;
+	DUK_DDD(DUK_DDDPRINT("p_start=%p, p_end=%p, p=%p",
+	                     (const void *) p_start, (const void *) p_end,
+	                     (const void *) p));
+
+	/* This may throw an error though not for valid E5 strings. */
+	cp = duk_unicode_decode_xutf8_checked(thr, &p, p_start, p_end);
+	return cp;
+}
+
+#if !defined(DUK_USE_HSTRING_CLEN)
+DUK_INTERNAL duk_size_t duk_hstring_get_charlen(duk_hstring *h) {
+	if (DUK_HSTRING_HAS_ASCII(h)) {
+		/* Most practical strings will go here. */
+		return DUK_HSTRING_GET_BYTELEN(h);
+	} else {
+		return duk_unicode_unvalidated_utf8_length(DUK_HSTRING_GET_DATA(h), DUK_HSTRING_GET_BYTELEN(h));
+	}
+}
+#endif  /* !DUK_USE_HSTRING_CLEN */