Remove unnecessary check in IPv6 parsing

It's not possible to have encountered a double-colon
when in the COLON_BUT_NO_GROUPS_YET state.

2 files changed, 3 insertions, 7 deletions

diff --git a/src/Uri.cpp b/src/Uri.cpp
index 41ea1a4..ff161f3 100644
--- a/src/Uri.cpp
+++ b/src/Uri.cpp
@@ -270,12 +270,8 @@ namespace {
 
                 case ValidationState::COLON_BUT_NO_GROUPS_YET: {
                     if (c == ':') {
-                        if (doubleColonEncountered) {
-                            return false;
-                        } else {
-                            doubleColonEncountered = true;
-                            state = ValidationState::AFTER_DOUBLE_COLON;
-                        }
+                        doubleColonEncountered = true;
+                        state = ValidationState::AFTER_DOUBLE_COLON;
                     } else {
                         return false;
                     }
diff --git a/src/lib.rs b/src/lib.rs
index 2ac49cb..3b3a02c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -316,7 +316,7 @@ fn validate_ipv6_address(address: &str) -> Result<(), Error> {
             },
 
             ValidationState::ColonButNoGroupsYet => {
-                if c != ':' || double_colon_encountered {
+                if c != ':' {
                     return Err(Error::IllegalCharacter);
                 }
                 double_colon_encountered = true;