From ba169342a1154d8f6694dbb9e759b03aa56e1619 Mon Sep 17 00:00:00 2001
From: Hui Yu <ityuhui@gmail.com>
Date: Wed, 9 Oct 2024 01:38:12 +0800
Subject: [PATCH] [C][Client] Add gcc predefined macros to reserved keywords
 (#19791)

---
 docs/generators/c.md                                        | 1 +
 .../codegen/languages/CLibcurlClientCodegen.java            | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/docs/generators/c.md b/docs/generators/c.md
index 7ae767d4052..22f54ac1b53 100644
--- a/docs/generators/c.md
+++ b/docs/generators/c.md
@@ -120,6 +120,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 <li>if</li>
 <li>inline</li>
 <li>int</li>
+<li>linux</li>
 <li>long</li>
 <li>mutable</li>
 <li>namespace</li>
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CLibcurlClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CLibcurlClientCodegen.java
index 0ac95f48a9e..b6864a92cc1 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CLibcurlClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CLibcurlClientCodegen.java
@@ -255,7 +255,11 @@ public class CLibcurlClientCodegen extends DefaultCodegen implements CodegenConf
                         // VC++ reserved keywords
                         "stdin",
                         "stdout",
-                        "stderr")
+                        "stderr",
+
+                        // gcc predefined macros
+                        "linux"
+                        )
         );
 
         instantiationTypes.clear();