From: Gisle Vanem <gisle.vanem@gmail.com>
Date: Tue, 2 Jan 2024 16:02:13 +0000 (+0100)
Subject: content_encoding: change return code to typedef'ed enum
X-Git-Tag: curl-8_6_0~148
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8558647613ab4d25cc77e52ebbd2454d2225b1cc;p=thirdparty%2Fcurl.git

content_encoding: change return code to typedef'ed enum

... to work around a clang ubsan warning.

Fixes #12618
Closes #12622
---

diff --git a/lib/content_encoding.c b/lib/content_encoding.c
index 4167d4d684..de75dd6867 100644
--- a/lib/content_encoding.c
+++ b/lib/content_encoding.c
@@ -365,11 +365,14 @@ static CURLcode gzip_do_init(struct Curl_easy *data,
 
 #ifdef OLD_ZLIB_SUPPORT
 /* Skip over the gzip header */
-static enum {
+typedef enum {
   GZIP_OK,
   GZIP_BAD,
   GZIP_UNDERFLOW
-} check_gzip_header(unsigned char const *data, ssize_t len, ssize_t *headerlen)
+} gzip_status;
+
+static gzip_status check_gzip_header(unsigned char const *data, ssize_t len,
+                                     ssize_t *headerlen)
 {
   int method, flags;
   const ssize_t totallen = len;