From: Daniel Stenberg <daniel@haxx.se>
Date: Tue, 1 Apr 2025 07:36:47 +0000 (+0200)
Subject: tool_paramhlp: make proto2num skip leading commas better
X-Git-Tag: curl-8_13_0~12
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0d85c8c49d90fa8c1475832e0a8f1916a04d9a69;p=thirdparty%2Fcurl.git

tool_paramhlp: make proto2num skip leading commas better

Closes #16892
---

diff --git a/src/tool_paramhlp.c b/src/tool_paramhlp.c
index 3548e509f6..068b0d442b 100644
--- a/src/tool_paramhlp.c
+++ b/src/tool_paramhlp.c
@@ -437,8 +437,13 @@ ParameterError proto2num(struct OperationConfig *config,
     size_t plen;
     enum e_action { allow, deny, set } action = allow;
 
-    if(next)
+    if(next) {
+      if(str == next) {
+        str++;
+        continue;
+      }
       plen = next - str - 1;
+    }
     else
       plen = strlen(str) - 1;