Added regex support as per issue #164.

jq now depends on oniguruma for regex support.
Modified configure.ac accordingly.

Added valgrind suppression file for oniguruma to prevent one-time and bounded
leaks from causing tests to fail.

Signed-off-by: Nicolas Williams <nico@cryptonector.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/jv_unicode.c b/jv_unicode.c
index 907e9855..c3f9f111 100644
--- a/jv_unicode.c
+++ b/jv_unicode.c
@@ -59,6 +59,13 @@ int jvp_utf8_is_valid(const char* in, const char* end) {
   return 1;
 }
 
+int jvp_utf8_decode_length(char startchar) {
+	if ((startchar & 0x80) == 0) return 1;
+	else if ((startchar & 0xC0) == 0xC0) return 2;
+	else if ((startchar & 0xE0) == 0xE0) return 3;
+	else return 4;
+}
+
 int jvp_utf8_encode_length(int codepoint) {
   if (codepoint <= 0x7F) return 1;
   else if (codepoint <= 0x7FF) return 2;