From 212284c792c86fca52e0172a4d097abc5bb45252 Mon Sep 17 00:00:00 2001
From: grunfink
Date: Mon, 13 Oct 2025 13:07:06 +0200
Subject: xs_http.h: new file.

---
 Makefile        | 37 +++++++++++++++++++------------------
 Makefile.NetBSD | 37 +++++++++++++++++++------------------
 activitypub.c   |  3 ++-
 data.c          |  1 +
 html.c          |  1 +
 http.c          |  1 +
 http_codes.h    | 45 ---------------------------------------------
 httpd.c         |  3 ++-
 main.c          |  1 +
 mastoapi.c      |  1 +
 rss.c           |  1 +
 snac.c          | 21 +--------------------
 snac.h          | 10 +---------
 utils.c         |  1 +
 webfinger.c     |  1 +
 xs_http.h       | 42 ++++++++++++++++++++++++++++++++++++++++++
 xs_http_codes.h | 45 +++++++++++++++++++++++++++++++++++++++++++++
 17 files changed, 139 insertions(+), 112 deletions(-)
 delete mode 100644 http_codes.h
 create mode 100644 xs_http.h
 create mode 100644 xs_http_codes.h

diff --git a/Makefile b/Makefile
index 5de2882..ffeac1a 100644
--- a/Makefile
+++ b/Makefile
@@ -48,35 +48,36 @@ update-po:
 
 activitypub.o: activitypub.c xs.h xs_json.h xs_curl.h xs_mime.h \
  xs_openssl.h xs_regex.h xs_time.h xs_set.h xs_match.h xs_unicode.h \
- xs_webmention.h snac.h http_codes.h
+ xs_webmention.h xs_http.h xs_http_codes.h snac.h
 data.o: data.c xs.h xs_hex.h xs_io.h xs_json.h xs_openssl.h xs_glob.h \
  xs_set.h xs_time.h xs_regex.h xs_match.h xs_unicode.h xs_random.h \
- xs_po.h snac.h http_codes.h
+ xs_po.h xs_http.h xs_http_codes.h snac.h
 format.o: format.c xs.h xs_regex.h xs_mime.h xs_html.h xs_json.h \
- xs_time.h xs_match.h xs_unicode.h snac.h http_codes.h
+ xs_time.h xs_match.h xs_unicode.h snac.h
 html.o: html.c xs.h xs_io.h xs_json.h xs_regex.h xs_set.h xs_openssl.h \
  xs_time.h xs_mime.h xs_match.h xs_html.h xs_curl.h xs_unicode.h xs_url.h \
- xs_random.h snac.h http_codes.h
+ xs_random.h xs_http.h xs_http_codes.h snac.h
 http.o: http.c xs.h xs_io.h xs_openssl.h xs_curl.h xs_time.h xs_json.h \
- snac.h http_codes.h
+ xs_http.h xs_http_codes.h snac.h
 httpd.o: httpd.c xs.h xs_io.h xs_json.h xs_socket.h xs_unix_socket.h \
- xs_httpd.h xs_mime.h xs_time.h xs_openssl.h xs_fcgi.h xs_html.h \
- xs_webmention.h snac.h http_codes.h
+ xs_http.h xs_http_codes.h xs_httpd.h xs_mime.h xs_time.h xs_openssl.h \
+ xs_fcgi.h xs_html.h xs_webmention.h snac.h
 main.o: main.c xs.h xs_io.h xs_json.h xs_time.h xs_openssl.h xs_match.h \
- xs_random.h snac.h http_codes.h
+ xs_random.h xs_http.h xs_http_codes.h snac.h
 mastoapi.o: mastoapi.c xs.h xs_hex.h xs_openssl.h xs_json.h xs_io.h \
  xs_time.h xs_glob.h xs_set.h xs_random.h xs_url.h xs_mime.h xs_match.h \
- xs_unicode.h snac.h http_codes.h
+ xs_unicode.h xs_http.h xs_http_codes.h snac.h
 rss.o: rss.c xs.h xs_html.h xs_regex.h xs_time.h xs_match.h xs_curl.h \
- xs_openssl.h xs_json.h snac.h http_codes.h
-sandbox.o: sandbox.c xs.h snac.h http_codes.h
+ xs_openssl.h xs_json.h xs_http.h xs_http_codes.h snac.h
+sandbox.o: sandbox.c xs.h snac.h
 snac.o: snac.c xs.h xs_hex.h xs_io.h xs_unicode_tbl.h xs_unicode.h \
  xs_json.h xs_curl.h xs_openssl.h xs_socket.h xs_unix_socket.h xs_url.h \
- xs_httpd.h xs_mime.h xs_regex.h xs_set.h xs_time.h xs_glob.h xs_random.h \
- xs_match.h xs_fcgi.h xs_html.h xs_po.h xs_webmention.h snac.h \
- http_codes.h
-upgrade.o: upgrade.c xs.h xs_io.h xs_json.h xs_glob.h snac.h http_codes.h
+ xs_http.h xs_http_codes.h xs_httpd.h xs_mime.h xs_regex.h xs_set.h \
+ xs_time.h xs_glob.h xs_random.h xs_match.h xs_fcgi.h xs_html.h xs_po.h \
+ xs_webmention.h snac.h
+upgrade.o: upgrade.c xs.h xs_io.h xs_json.h xs_glob.h snac.h
 utils.o: utils.c xs.h xs_io.h xs_json.h xs_time.h xs_openssl.h \
- xs_random.h xs_glob.h xs_curl.h xs_regex.h snac.h http_codes.h
-webfinger.o: webfinger.c xs.h xs_json.h xs_curl.h xs_mime.h snac.h \
- http_codes.h
+ xs_random.h xs_glob.h xs_curl.h xs_regex.h xs_http.h xs_http_codes.h \
+ snac.h
+webfinger.o: webfinger.c xs.h xs_json.h xs_curl.h xs_mime.h xs_http.h \
+ xs_http_codes.h snac.h
diff --git a/Makefile.NetBSD b/Makefile.NetBSD
index ac5b052..b5005ee 100644
--- a/Makefile.NetBSD
+++ b/Makefile.NetBSD
@@ -37,35 +37,36 @@ uninstall:
 
 activitypub.o: activitypub.c xs.h xs_json.h xs_curl.h xs_mime.h \
  xs_openssl.h xs_regex.h xs_time.h xs_set.h xs_match.h xs_unicode.h \
- xs_webmention.h snac.h http_codes.h
+ xs_webmention.h xs_http.h xs_http_codes.h snac.h
 data.o: data.c xs.h xs_hex.h xs_io.h xs_json.h xs_openssl.h xs_glob.h \
  xs_set.h xs_time.h xs_regex.h xs_match.h xs_unicode.h xs_random.h \
- xs_po.h snac.h http_codes.h
+ xs_po.h xs_http.h xs_http_codes.h snac.h
 format.o: format.c xs.h xs_regex.h xs_mime.h xs_html.h xs_json.h \
- xs_time.h xs_match.h xs_unicode.h snac.h http_codes.h
+ xs_time.h xs_match.h xs_unicode.h snac.h
 html.o: html.c xs.h xs_io.h xs_json.h xs_regex.h xs_set.h xs_openssl.h \
  xs_time.h xs_mime.h xs_match.h xs_html.h xs_curl.h xs_unicode.h xs_url.h \
- xs_random.h snac.h http_codes.h
+ xs_random.h xs_http.h xs_http_codes.h snac.h
 http.o: http.c xs.h xs_io.h xs_openssl.h xs_curl.h xs_time.h xs_json.h \
- snac.h http_codes.h
+ xs_http.h xs_http_codes.h snac.h
 httpd.o: httpd.c xs.h xs_io.h xs_json.h xs_socket.h xs_unix_socket.h \
- xs_httpd.h xs_mime.h xs_time.h xs_openssl.h xs_fcgi.h xs_html.h \
- xs_webmention.h snac.h http_codes.h
+ xs_http.h xs_http_codes.h xs_httpd.h xs_mime.h xs_time.h xs_openssl.h \
+ xs_fcgi.h xs_html.h xs_webmention.h snac.h
 main.o: main.c xs.h xs_io.h xs_json.h xs_time.h xs_openssl.h xs_match.h \
- xs_random.h snac.h http_codes.h
+ xs_random.h xs_http.h xs_http_codes.h snac.h
 mastoapi.o: mastoapi.c xs.h xs_hex.h xs_openssl.h xs_json.h xs_io.h \
  xs_time.h xs_glob.h xs_set.h xs_random.h xs_url.h xs_mime.h xs_match.h \
- xs_unicode.h snac.h http_codes.h
+ xs_unicode.h xs_http.h xs_http_codes.h snac.h
 rss.o: rss.c xs.h xs_html.h xs_regex.h xs_time.h xs_match.h xs_curl.h \
- xs_openssl.h xs_json.h snac.h http_codes.h
-sandbox.o: sandbox.c xs.h snac.h http_codes.h
+ xs_openssl.h xs_json.h xs_http.h xs_http_codes.h snac.h
+sandbox.o: sandbox.c xs.h snac.h
 snac.o: snac.c xs.h xs_hex.h xs_io.h xs_unicode_tbl.h xs_unicode.h \
  xs_json.h xs_curl.h xs_openssl.h xs_socket.h xs_unix_socket.h xs_url.h \
- xs_httpd.h xs_mime.h xs_regex.h xs_set.h xs_time.h xs_glob.h xs_random.h \
- xs_match.h xs_fcgi.h xs_html.h xs_po.h xs_webmention.h snac.h \
- http_codes.h
-upgrade.o: upgrade.c xs.h xs_io.h xs_json.h xs_glob.h snac.h http_codes.h
+ xs_http.h xs_http_codes.h xs_httpd.h xs_mime.h xs_regex.h xs_set.h \
+ xs_time.h xs_glob.h xs_random.h xs_match.h xs_fcgi.h xs_html.h xs_po.h \
+ xs_webmention.h snac.h
+upgrade.o: upgrade.c xs.h xs_io.h xs_json.h xs_glob.h snac.h
 utils.o: utils.c xs.h xs_io.h xs_json.h xs_time.h xs_openssl.h \
- xs_random.h xs_glob.h xs_curl.h xs_regex.h snac.h http_codes.h
-webfinger.o: webfinger.c xs.h xs_json.h xs_curl.h xs_mime.h snac.h \
- http_codes.h
+ xs_random.h xs_glob.h xs_curl.h xs_regex.h xs_http.h xs_http_codes.h \
+ snac.h
+webfinger.o: webfinger.c xs.h xs_json.h xs_curl.h xs_mime.h xs_http.h \
+ xs_http_codes.h snac.h
diff --git a/activitypub.c b/activitypub.c
index c433788..f19c6fc 100644
--- a/activitypub.c
+++ b/activitypub.c
@@ -12,6 +12,7 @@
 #include "xs_match.h"
 #include "xs_unicode.h"
 #include "xs_webmention.h"
+#include "xs_http.h"
 
 #include "snac.h"
 
@@ -3210,7 +3211,7 @@ int process_user_queue(snac *snac)
 
 xs_str *str_status(int status)
 {
-    return xs_fmt("%d %s", status, status < 0 ? xs_curl_strerr(status) : http_status_text(status));
+    return xs_fmt("%d %s", status, status < 0 ? xs_curl_strerr(status) : xs_http_status_text(status));
 }
 
 
diff --git a/data.c b/data.c
index 53e9438..36f5101 100644
--- a/data.c
+++ b/data.c
@@ -14,6 +14,7 @@
 #include "xs_unicode.h"
 #include "xs_random.h"
 #include "xs_po.h"
+#include "xs_http.h"
 
 #include "snac.h"
 
diff --git a/html.c b/html.c
index 777875c..584059b 100644
--- a/html.c
+++ b/html.c
@@ -15,6 +15,7 @@
 #include "xs_unicode.h"
 #include "xs_url.h"
 #include "xs_random.h"
+#include "xs_http.h"
 
 #include "snac.h"
 
diff --git a/http.c b/http.c
index 611de4f..f0b1314 100644
--- a/http.c
+++ b/http.c
@@ -7,6 +7,7 @@
 #include "xs_curl.h"
 #include "xs_time.h"
 #include "xs_json.h"
+#include "xs_http.h"
 
 #include "snac.h"
 
diff --git a/http_codes.h b/http_codes.h
deleted file mode 100644
index a1958f1..0000000
--- a/http_codes.h
+++ /dev/null
@@ -1,45 +0,0 @@
-HTTP_STATUS(100, CONTINUE, Continue)
-HTTP_STATUS(101, SWITCHING_PROTOCOLS, Switching Protocols)
-HTTP_STATUS(102, PROCESSING, Processing)
-HTTP_STATUS(103, EARLY_HINTS, Early Hints)
-HTTP_STATUS(200, OK, OK)
-HTTP_STATUS(201, CREATED, Created)
-HTTP_STATUS(202, ACCEPTED, Accepted)
-HTTP_STATUS(203, NON_AUTHORITATIVE_INFORMATION, Non Authoritative Information)
-HTTP_STATUS(204, NO_CONTENT, No Content)
-HTTP_STATUS(205, RESET_CONTENT, Reset Content)
-HTTP_STATUS(206, PARTIAL_CONTENT, Partial Content)
-HTTP_STATUS(207, MULTI_STATUS, Multi Status)
-HTTP_STATUS(208, ALREADY_REPORTED, Already Reported)
-HTTP_STATUS(218, THIS_IS_FINE, This Is Fine)
-HTTP_STATUS(226, IM_USED, IM Used)
-HTTP_STATUS(300, MULTIPLE_CHOICES, Multiple Choices)
-HTTP_STATUS(301, MOVED_PERMANENTLY, Moved Permanently)
-HTTP_STATUS(302, FOUND, Found)
-HTTP_STATUS(303, SEE_OTHER, See Other)
-HTTP_STATUS(304, NOT_MODIFIED, Not Modified)
-HTTP_STATUS(305, USE_PROXY, Use Proxy)
-HTTP_STATUS(306, SWITCH_PROXY, Switch Proxy)
-HTTP_STATUS(307, TEMPORARY_REDIRECT, Temporary Redirect)
-HTTP_STATUS(308, PERMANENT_REDIRECT, Permanent Redirect)
-HTTP_STATUS(400, BAD_REQUEST, Bad Request)
-HTTP_STATUS(401, UNAUTHORIZED, Unauthorized)
-HTTP_STATUS(402, PAYMENT_REQUIRED, Payment Required)
-HTTP_STATUS(403, FORBIDDEN, Forbidden)
-HTTP_STATUS(404, NOT_FOUND, Not Found)
-HTTP_STATUS(405, METHOD_NOT_ALLOWED, Method Not Allowed)
-HTTP_STATUS(406, NOT_ACCEPTABLE, Not Acceptable)
-HTTP_STATUS(407, PROXY_AUTHENTICATION_REQUIRED, Proxy Authentication Required)
-HTTP_STATUS(408, REQUEST_TIMEOUT, Request Timeout)
-HTTP_STATUS(409, CONFLICT, Conflict)
-HTTP_STATUS(410, GONE, Gone)
-HTTP_STATUS(421, MISDIRECTED_REQUEST, Misdirected Request)
-HTTP_STATUS(422, UNPROCESSABLE_CONTENT, Unprocessable Content)
-HTTP_STATUS(499, CLIENT_CLOSED_REQUEST, Client Closed Request)
-HTTP_STATUS(500, INTERNAL_SERVER_ERROR, Internal Server Error)
-HTTP_STATUS(501, NOT_IMPLEMENTED, Not Implemented)
-HTTP_STATUS(502, BAD_GATEWAY, Bad Gateway)
-HTTP_STATUS(503, SERVICE_UNAVAILABLE, Service Unavailable)
-HTTP_STATUS(504, GATEWAY_TIMEOUT, Gateway Timeout)
-HTTP_STATUS(505, HTTP_VERSION_NOT_SUPPORTED, HTTP Version Not Supported)
-HTTP_STATUS(507, INSUFFICIENT_STORAGE, Insufficient Storage)
diff --git a/httpd.c b/httpd.c
index de76776..254d0e5 100644
--- a/httpd.c
+++ b/httpd.c
@@ -6,6 +6,7 @@
 #include "xs_json.h"
 #include "xs_socket.h"
 #include "xs_unix_socket.h"
+#include "xs_http.h"
 #include "xs_httpd.h"
 #include "xs_mime.h"
 #include "xs_time.h"
@@ -650,7 +651,7 @@ void httpd_connection(FILE *f)
     if (p_state->use_fcgi)
         xs_fcgi_response(f, status, headers, body, b_size, fcgi_id);
     else
-        xs_httpd_response(f, status, http_status_text(status), headers, body, b_size);
+        xs_httpd_response(f, status, xs_http_status_text(status), headers, body, b_size);
 
     fclose(f);
 
diff --git a/main.c b/main.c
index 46f88d2..6915bd0 100644
--- a/main.c
+++ b/main.c
@@ -8,6 +8,7 @@
 #include "xs_openssl.h"
 #include "xs_match.h"
 #include "xs_random.h"
+#include "xs_http.h"
 
 #include "snac.h"
 
diff --git a/mastoapi.c b/mastoapi.c
index c526307..2c111ca 100644
--- a/mastoapi.c
+++ b/mastoapi.c
@@ -16,6 +16,7 @@
 #include "xs_mime.h"
 #include "xs_match.h"
 #include "xs_unicode.h"
+#include "xs_http.h"
 
 #include "snac.h"
 
diff --git a/rss.c b/rss.c
index bb7b043..6e77205 100644
--- a/rss.c
+++ b/rss.c
@@ -9,6 +9,7 @@
 #include "xs_curl.h"
 #include "xs_openssl.h"
 #include "xs_json.h"
+#include "xs_http.h"
 
 #include "snac.h"
 
diff --git a/snac.c b/snac.c
index a35cd06..31f524f 100644
--- a/snac.c
+++ b/snac.c
@@ -14,6 +14,7 @@
 #include "xs_socket.h"
 #include "xs_unix_socket.h"
 #include "xs_url.h"
+#include "xs_http.h"
 #include "xs_httpd.h"
 #include "xs_mime.h"
 #include "xs_regex.h"
@@ -58,13 +59,6 @@ int mkdirx(const char *pathname)
 }
 
 
-int valid_status(int status)
-/* is this HTTP status valid? */
-{
-    return status >= 200 && status <= 299;
-}
-
-
 xs_str *tid(int offset)
 /* returns a time-based Id */
 {
@@ -176,16 +170,3 @@ int check_password(const char *uid, const char *passwd, const char *hash)
 
     return ret;
 }
-
-
-const char *http_status_text(int status)
-/* translate status codes to canonical status texts */
-{
-    switch (status) {
-        case 599: return "Timeout";
-#define HTTP_STATUS(code, name, text) case HTTP_STATUS_ ## name: return #text;
-#include "http_codes.h"
-#undef HTTP_STATUS
-        default: return "Unknown";
-    }
-}
diff --git a/snac.h b/snac.h
index 245f477..038aa40 100644
--- a/snac.h
+++ b/snac.h
@@ -44,7 +44,7 @@ extern int dbglevel;
 
 int mkdirx(const char *pathname);
 
-int valid_status(int status);
+#define valid_status(status) xs_http_valid_status(status)
 xs_str *tid(int offset);
 double ftime(void);
 
@@ -464,14 +464,6 @@ void import_list_csv(snac *user, const char *fn);
 void import_csv(snac *user);
 int parse_port(const char *url, const char **errstr);
 
-typedef enum {
-#define HTTP_STATUS(code, name, text) HTTP_STATUS_ ## name = code,
-#include "http_codes.h"
-#undef HTTP_STATUS
-} http_status;
-
-const char *http_status_text(int status);
-
 typedef struct {
     double timestamp;
     char   *text;
diff --git a/utils.c b/utils.c
index 38dcc06..de6db79 100644
--- a/utils.c
+++ b/utils.c
@@ -10,6 +10,7 @@
 #include "xs_glob.h"
 #include "xs_curl.h"
 #include "xs_regex.h"
+#include "xs_http.h"
 
 #include "snac.h"
 
diff --git a/webfinger.c b/webfinger.c
index 46b7edb..12ec42c 100644
--- a/webfinger.c
+++ b/webfinger.c
@@ -5,6 +5,7 @@
 #include "xs_json.h"
 #include "xs_curl.h"
 #include "xs_mime.h"
+#include "xs_http.h"
 
 #include "snac.h"
 
diff --git a/xs_http.h b/xs_http.h
new file mode 100644
index 0000000..f2fd296
--- /dev/null
+++ b/xs_http.h
@@ -0,0 +1,42 @@
+/* copyright (c) 2022 - 2025 grunfink et al. / MIT license */
+
+#ifndef _XS_HTTP_H
+
+#define _XS_HTTP_H
+
+typedef enum {
+#define HTTP_STATUS(code, name, text) HTTP_STATUS_ ## name = code,
+#include "xs_http_codes.h"
+#undef HTTP_STATUS
+} http_status;
+
+
+int xs_http_valid_status(int status);
+const char *xs_http_status_text(int status);
+
+
+#ifdef XS_IMPLEMENTATION
+
+int xs_http_valid_status(int status)
+/* is this HTTP status valid? */
+{
+    return status >= 200 && status <= 299;
+}
+
+
+const char *xs_http_status_text(int status)
+/* translate status codes to canonical status texts */
+{
+    switch (status) {
+        case 599: return "Timeout";
+#define HTTP_STATUS(code, name, text) case HTTP_STATUS_ ## name: return #text;
+#include "xs_http_codes.h"
+#undef HTTP_STATUS
+        default: return "Unknown";
+    }
+}
+
+
+#endif /* XS_IMPLEMENTATION */
+
+#endif /* XS_HTTP_H */
diff --git a/xs_http_codes.h b/xs_http_codes.h
new file mode 100644
index 0000000..a1958f1
--- /dev/null
+++ b/xs_http_codes.h
@@ -0,0 +1,45 @@
+HTTP_STATUS(100, CONTINUE, Continue)
+HTTP_STATUS(101, SWITCHING_PROTOCOLS, Switching Protocols)
+HTTP_STATUS(102, PROCESSING, Processing)
+HTTP_STATUS(103, EARLY_HINTS, Early Hints)
+HTTP_STATUS(200, OK, OK)
+HTTP_STATUS(201, CREATED, Created)
+HTTP_STATUS(202, ACCEPTED, Accepted)
+HTTP_STATUS(203, NON_AUTHORITATIVE_INFORMATION, Non Authoritative Information)
+HTTP_STATUS(204, NO_CONTENT, No Content)
+HTTP_STATUS(205, RESET_CONTENT, Reset Content)
+HTTP_STATUS(206, PARTIAL_CONTENT, Partial Content)
+HTTP_STATUS(207, MULTI_STATUS, Multi Status)
+HTTP_STATUS(208, ALREADY_REPORTED, Already Reported)
+HTTP_STATUS(218, THIS_IS_FINE, This Is Fine)
+HTTP_STATUS(226, IM_USED, IM Used)
+HTTP_STATUS(300, MULTIPLE_CHOICES, Multiple Choices)
+HTTP_STATUS(301, MOVED_PERMANENTLY, Moved Permanently)
+HTTP_STATUS(302, FOUND, Found)
+HTTP_STATUS(303, SEE_OTHER, See Other)
+HTTP_STATUS(304, NOT_MODIFIED, Not Modified)
+HTTP_STATUS(305, USE_PROXY, Use Proxy)
+HTTP_STATUS(306, SWITCH_PROXY, Switch Proxy)
+HTTP_STATUS(307, TEMPORARY_REDIRECT, Temporary Redirect)
+HTTP_STATUS(308, PERMANENT_REDIRECT, Permanent Redirect)
+HTTP_STATUS(400, BAD_REQUEST, Bad Request)
+HTTP_STATUS(401, UNAUTHORIZED, Unauthorized)
+HTTP_STATUS(402, PAYMENT_REQUIRED, Payment Required)
+HTTP_STATUS(403, FORBIDDEN, Forbidden)
+HTTP_STATUS(404, NOT_FOUND, Not Found)
+HTTP_STATUS(405, METHOD_NOT_ALLOWED, Method Not Allowed)
+HTTP_STATUS(406, NOT_ACCEPTABLE, Not Acceptable)
+HTTP_STATUS(407, PROXY_AUTHENTICATION_REQUIRED, Proxy Authentication Required)
+HTTP_STATUS(408, REQUEST_TIMEOUT, Request Timeout)
+HTTP_STATUS(409, CONFLICT, Conflict)
+HTTP_STATUS(410, GONE, Gone)
+HTTP_STATUS(421, MISDIRECTED_REQUEST, Misdirected Request)
+HTTP_STATUS(422, UNPROCESSABLE_CONTENT, Unprocessable Content)
+HTTP_STATUS(499, CLIENT_CLOSED_REQUEST, Client Closed Request)
+HTTP_STATUS(500, INTERNAL_SERVER_ERROR, Internal Server Error)
+HTTP_STATUS(501, NOT_IMPLEMENTED, Not Implemented)
+HTTP_STATUS(502, BAD_GATEWAY, Bad Gateway)
+HTTP_STATUS(503, SERVICE_UNAVAILABLE, Service Unavailable)
+HTTP_STATUS(504, GATEWAY_TIMEOUT, Gateway Timeout)
+HTTP_STATUS(505, HTTP_VERSION_NOT_SUPPORTED, HTTP Version Not Supported)
+HTTP_STATUS(507, INSUFFICIENT_STORAGE, Insufficient Storage)
-- 
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