From 1f92b394e97ce13e49cce8838968c0dc848d0abb Mon Sep 17 00:00:00 2001
From: "Elijah M. Immer" <me@eimmer.me>
Date: Fri, 14 Mar 2025 13:20:42 -0700
Subject: [PATCH] lib/std/http/Client.zig: Ignore empty proxy environment
 variables (#23223)

This fixes #21032 by ignoring proxy environment variables that are
empty.
---
 lib/std/http/Client.zig | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/std/http/Client.zig b/lib/std/http/Client.zig
index 86f29b4a08..ecc1893194 100644
--- a/lib/std/http/Client.zig
+++ b/lib/std/http/Client.zig
@@ -1241,10 +1241,14 @@ pub fn initDefaultProxies(client: *Client, arena: Allocator) !void {
 
 fn createProxyFromEnvVar(arena: Allocator, env_var_names: []const []const u8) !?*Proxy {
     const content = for (env_var_names) |name| {
-        break std.process.getEnvVarOwned(arena, name) catch |err| switch (err) {
+        const content = std.process.getEnvVarOwned(arena, name) catch |err| switch (err) {
             error.EnvironmentVariableNotFound => continue,
             else => |e| return e,
         };
+
+        if (content.len == 0) continue;
+
+        break content;
     } else return null;
 
     const uri = Uri.parse(content) catch try Uri.parseAfterScheme("http", content);