Updated HTTP status codes

2 files changed, 171 insertions, 105 deletions

diff --git a/src/include/microhttpd.h b/src/include/microhttpd.h
index 70a1b5be..89628d8b 100644
--- a/src/include/microhttpd.h
+++ b/src/include/microhttpd.h
@@ -304,79 +304,144 @@ _MHD_DEPR_MACRO("Macro MHD_LONG_LONG_PRINTF is deprecated, use MHD_UNSIGNED_LONG
 /**
  * @defgroup httpcode HTTP response codes.
  * These are the status codes defined for HTTP responses.
+ * See: https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
+ * Registry export date: 2019-06-09
  * @{
  */
-/* See http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml */
 
+/* 100 "Continue".            RFC7231, Section 6.2.1. */
 #define MHD_HTTP_CONTINUE 100
+/* 101 "Switching Protocols". RFC7231, Section 6.2.2. */
 #define MHD_HTTP_SWITCHING_PROTOCOLS 101
+/* 102 "Processing".          RFC2518. */
 #define MHD_HTTP_PROCESSING 102
+/* 103 "Early Hints".         RFC8297. */
+#define MHD_HTTP_EARLY_HINTS 103
 
+/* 200 "OK".                  RFC7231, Section 6.3.1. */
 #define MHD_HTTP_OK 200
+/* 201 "Created".             RFC7231, Section 6.3.2. */
 #define MHD_HTTP_CREATED 201
+/* 202 "Accepted".            RFC7231, Section 6.3.3. */
 #define MHD_HTTP_ACCEPTED 202
+/* 203 "Non-Authoritative Information". RFC7231, Section 6.3.4. */
 #define MHD_HTTP_NON_AUTHORITATIVE_INFORMATION 203
+/* 204 "No Content".          RFC7231, Section 6.3.5. */
 #define MHD_HTTP_NO_CONTENT 204
+/* 205 "Reset Content".       RFC7231, Section 6.3.6. */
 #define MHD_HTTP_RESET_CONTENT 205
+/* 206 "Partial Content".     RFC7233, Section 4.1. */
 #define MHD_HTTP_PARTIAL_CONTENT 206
+/* 207 "Multi-Status".        RFC4918. */
 #define MHD_HTTP_MULTI_STATUS 207
+/* 208 "Already Reported".    RFC5842. */
 #define MHD_HTTP_ALREADY_REPORTED 208
 
+/* 226 "IM Used".             RFC3229. */
 #define MHD_HTTP_IM_USED 226
 
+/* 300 "Multiple Choices".    RFC7231, Section 6.4.1. */
 #define MHD_HTTP_MULTIPLE_CHOICES 300
+/* 301 "Moved Permanently".   RFC7231, Section 6.4.2. */
 #define MHD_HTTP_MOVED_PERMANENTLY 301
+/* 302 "Found".               RFC7231, Section 6.4.3. */
 #define MHD_HTTP_FOUND 302
+/* 303 "See Other".           RFC7231, Section 6.4.4. */
 #define MHD_HTTP_SEE_OTHER 303
+/* 304 "Not Modified".        RFC7232, Section 4.1. */
 #define MHD_HTTP_NOT_MODIFIED 304
+/* 305 "Use Proxy".           RFC7231, Section 6.4.5. */
 #define MHD_HTTP_USE_PROXY 305
+/* 306 "Switch Proxy".        Not used! RFC7231, Section 6.4.6. */
 #define MHD_HTTP_SWITCH_PROXY 306
+/* 307 "Temporary Redirect".  RFC7231, Section 6.4.7. */
 #define MHD_HTTP_TEMPORARY_REDIRECT 307
+/* 308 "Permanent Redirect".  RFC7538. */
 #define MHD_HTTP_PERMANENT_REDIRECT 308
 
+/* 400 "Bad Request".         RFC7231, Section 6.5.1. */
 #define MHD_HTTP_BAD_REQUEST 400
+/* 401 "Unauthorized".        RFC7235, Section 3.1. */
 #define MHD_HTTP_UNAUTHORIZED 401
+/* 402 "Payment Required".    RFC7231, Section 6.5.2. */
 #define MHD_HTTP_PAYMENT_REQUIRED 402
+/* 403 "Forbidden".           RFC7231, Section 6.5.3. */
 #define MHD_HTTP_FORBIDDEN 403
+/* 404 "Not Found".           RFC7231, Section 6.5.4. */
 #define MHD_HTTP_NOT_FOUND 404
+/* 405 "Method Not Allowed".  RFC7231, Section 6.5.5. */
 #define MHD_HTTP_METHOD_NOT_ALLOWED 405
+/* 406 "Not Acceptable".      RFC7231, Section 6.5.6. */
 #define MHD_HTTP_NOT_ACCEPTABLE 406
+/* 407 "Proxy Authentication Required". RFC7235, Section 3.2. */
 #define MHD_HTTP_PROXY_AUTHENTICATION_REQUIRED 407
+/* 408 "Request Timeout".     RFC7231, Section 6.5.7. */
 #define MHD_HTTP_REQUEST_TIMEOUT 408
+/* 409 "Conflict".            RFC7231, Section 6.5.8. */
 #define MHD_HTTP_CONFLICT 409
+/* 410 "Gone".                RFC7231, Section 6.5.9. */
 #define MHD_HTTP_GONE 410
+/* 411 "Length Required".     RFC7231, Section 6.5.10. */
 #define MHD_HTTP_LENGTH_REQUIRED 411
+/* 412 "Precondition Failed". RFC7232, Section 4.2; RFC8144, Section 3.2. */
 #define MHD_HTTP_PRECONDITION_FAILED 412
+/* 413 "Payload Too Large".   RFC7231, Section 6.5.11. */
 #define MHD_HTTP_PAYLOAD_TOO_LARGE 413
+/* 414 "URI Too Long".        RFC7231, Section 6.5.12. */
 #define MHD_HTTP_URI_TOO_LONG 414
+/* 415 "Unsupported Media Type". RFC7231, Section 6.5.13; RFC7694, Section 3. */
 #define MHD_HTTP_UNSUPPORTED_MEDIA_TYPE 415
+/* 416 "Range Not Satisfiable". RFC7233, Section 4.4. */
 #define MHD_HTTP_RANGE_NOT_SATISFIABLE 416
+/* 417 "Expectation Failed".  RFC7231, Section 6.5.14. */
 #define MHD_HTTP_EXPECTATION_FAILED 417
 
+/* 421 "Misdirected Request". RFC7540, Section 9.1.2. */
 #define MHD_HTTP_MISDIRECTED_REQUEST 421
+/* 422 "Unprocessable Entity". RFC4918. */
 #define MHD_HTTP_UNPROCESSABLE_ENTITY 422
+/* 423 "Locked".              RFC4918. */
 #define MHD_HTTP_LOCKED 423
+/* 424 "Failed Dependency".   RFC4918. */
 #define MHD_HTTP_FAILED_DEPENDENCY 424
+/* 425 "Too Early".           RFC8470. */
+#define MHD_HTTP_TOO_EARLY 425
+/* 426 "Upgrade Required".    RFC7231, Section 6.5.15. */
 #define MHD_HTTP_UPGRADE_REQUIRED 426
 
+/* 428 "Precondition Required". RFC6585. */
 #define MHD_HTTP_PRECONDITION_REQUIRED 428
+/* 429 "Too Many Requests".   RFC6585. */
 #define MHD_HTTP_TOO_MANY_REQUESTS 429
 
+/* 431 "Request Header Fields Too Large". RFC6585. */
 #define MHD_HTTP_REQUEST_HEADER_FIELDS_TOO_LARGE 431
 
+/* 451 "Unavailable For Legal Reasons". RFC7725. */
 #define MHD_HTTP_UNAVAILABLE_FOR_LEGAL_REASONS 451
 
+/* 500 "Internal Server Error". RFC7231, Section 6.6.1. */
 #define MHD_HTTP_INTERNAL_SERVER_ERROR 500
+/* 501 "Not Implemented".     RFC7231, Section 6.6.2. */
 #define MHD_HTTP_NOT_IMPLEMENTED 501
+/* 502 "Bad Gateway".         RFC7231, Section 6.6.3. */
 #define MHD_HTTP_BAD_GATEWAY 502
+/* 503 "Service Unavailable". RFC7231, Section 6.6.4. */
 #define MHD_HTTP_SERVICE_UNAVAILABLE 503
+/* 504 "Gateway Timeout".     RFC7231, Section 6.6.5. */
 #define MHD_HTTP_GATEWAY_TIMEOUT 504
+/* 505 "HTTP Version Not Supported". RFC7231, Section 6.6.6. */
 #define MHD_HTTP_HTTP_VERSION_NOT_SUPPORTED 505
+/* 506 "Variant Also Negotiates". RFC2295. */
 #define MHD_HTTP_VARIANT_ALSO_NEGOTIATES 506
+/* 507 "Insufficient Storage". RFC4918. */
 #define MHD_HTTP_INSUFFICIENT_STORAGE 507
+/* 508 "Loop Detected".       RFC5842. */
 #define MHD_HTTP_LOOP_DETECTED 508
 
+/* 510 "Not Extended".        RFC2774. */
 #define MHD_HTTP_NOT_EXTENDED 510
+/* 511 "Network Authentication Required". RFC6585. */
 #define MHD_HTTP_NETWORK_AUTHENTICATION_REQUIRED 511
 
 
diff --git a/src/microhttpd/reason_phrase.c b/src/microhttpd/reason_phrase.c
index a6ffc75f..d6fe8330 100644
--- a/src/microhttpd/reason_phrase.c
+++ b/src/microhttpd/reason_phrase.c
@@ -1,6 +1,6 @@
 /*
      This file is part of libmicrohttpd
-     Copyright (C) 2007, 2011, 2017 Christian Grothoff, Karlson2k (Evgeny Grin)
+     Copyright (C) 2007, 2011, 2017, 2019 Christian Grothoff, Karlson2k (Evgeny Grin)
 
      This library is free software; you can redistribute it and/or
      modify it under the terms of the GNU Lesser General Public
@@ -36,121 +36,122 @@ static const char *const invalid_hundred[] = {
 };
 
 static const char *const one_hundred[] = {
-  "Continue",
-  "Switching Protocols",
-  "Processing"
+  /* 100 */ "Continue"               /* RFC7231, Section 6.2.1 */,
+  /* 101 */ "Switching Protocols"    /* RFC7231, Section 6.2.2 */,
+  /* 102 */ "Processing"             /* RFC2518 */,
+  /* 103 */ "Early Hints"            /* RFC8297 */
 };
 
 static const char *const two_hundred[] = {
-  "OK",
-  "Created",
-  "Accepted",
-  "Non-Authoritative Information",
-  "No Content",
-  "Reset Content",
-  "Partial Content",
-  "Multi-Status",
-  "Already Reported",
-  "Unknown",
-  "Unknown", /* 210 */
-  "Unknown",
-  "Unknown",
-  "Unknown",
-  "Unknown",
-  "Unknown", /* 215 */
-  "Unknown",
-  "Unknown",
-  "Unknown",
-  "Unknown",
-  "Unknown", /* 220 */
-  "Unknown",
-  "Unknown",
-  "Unknown",
-  "Unknown",
-  "Unknown", /* 225 */
-  "IM Used"
+  /* 200 */ "OK"                     /* RFC7231, Section 6.3.1 */,
+  /* 201 */ "Created"                /* RFC7231, Section 6.3.2 */,
+  /* 202 */ "Accepted"               /* RFC7231, Section 6.3.3 */,
+  /* 203 */ "Non-Authoritative Information" /* RFC7231, Section 6.3.4 */,
+  /* 204 */ "No Content"             /* RFC7231, Section 6.3.5 */,
+  /* 205 */ "Reset Content"          /* RFC7231, Section 6.3.6 */,
+  /* 206 */ "Partial Content"        /* RFC7233, Section 4.1 */,
+  /* 207 */ "Multi-Status"           /* RFC4918 */,
+  /* 208 */ "Already Reported"       /* RFC5842 */,
+  /* 209 */ "Unknown"                /* Not used */,
+  /* 210 */ "Unknown"                /* Not used */,
+  /* 211 */ "Unknown"                /* Not used */,
+  /* 212 */ "Unknown"                /* Not used */,
+  /* 213 */ "Unknown"                /* Not used */,
+  /* 214 */ "Unknown"                /* Not used */,
+  /* 215 */ "Unknown"                /* Not used */,
+  /* 216 */ "Unknown"                /* Not used */,
+  /* 217 */ "Unknown"                /* Not used */,
+  /* 218 */ "Unknown"                /* Not used */,
+  /* 219 */ "Unknown"                /* Not used */,
+  /* 220 */ "Unknown"                /* Not used */,
+  /* 221 */ "Unknown"                /* Not used */,
+  /* 222 */ "Unknown"                /* Not used */,
+  /* 223 */ "Unknown"                /* Not used */,
+  /* 224 */ "Unknown"                /* Not used */,
+  /* 225 */ "Unknown"                /* Not used */,
+  /* 226 */ "IM Used"                /* RFC3229 */
 };
 
 static const char *const three_hundred[] = {
-  "Multiple Choices",
-  "Moved Permanently",
-  "Found",
-  "See Other",
-  "Not Modified",
-  "Use Proxy",
-  "Switch Proxy",
-  "Temporary Redirect",
-  "Permanent Redirect"
+  /* 300 */ "Multiple Choices"       /* RFC7231, Section 6.4.1 */,
+  /* 301 */ "Moved Permanently"      /* RFC7231, Section 6.4.2 */,
+  /* 302 */ "Found"                  /* RFC7231, Section 6.4.3 */,
+  /* 303 */ "See Other"              /* RFC7231, Section 6.4.4 */,
+  /* 304 */ "Not Modified"           /* RFC7232, Section 4.1 */,
+  /* 305 */ "Use Proxy"              /* RFC7231, Section 6.4.5 */,
+  /* 306 */ "Switch Proxy"           /* Not used! RFC7231, Section 6.4.6 */,
+  /* 307 */ "Temporary Redirect"     /* RFC7231, Section 6.4.7 */,
+  /* 308 */ "Permanent Redirect"     /* RFC7538 */
 };
 
 static const char *const four_hundred[] = {
-  "Bad Request",
-  "Unauthorized",
-  "Payment Required",
-  "Forbidden",
-  "Not Found",
-  "Method Not Allowed",
-  "Not Acceptable",
-  "Proxy Authentication Required",
-  "Request Timeout",
-  "Conflict",
-  "Gone",
-  "Length Required",
-  "Precondition Failed",
-  "Payload Too Large",
-  "URI Too Long",
-  "Unsupported Media Type",
-  "Range Not Satisfiable",
-  "Expectation Failed",
-  "Unknown",
-  "Unknown",
-  "Unknown", /* 420 */
-  "Misdirected Request",
-  "Unprocessable Entity",
-  "Locked",
-  "Failed Dependency",
-  "Unordered Collection",
-  "Upgrade Required",
-  "Unknown",
-  "Precondition Required",
-  "Too Many Requests",
-  "Unknown", /* 430 */
-  "Request Header Fields Too Large",
-  "Unknown",
-  "Unknown",
-  "Unknown",
-  "Unknown", /* 435 */
-  "Unknown",
-  "Unknown",
-  "Unknown",
-  "Unknown",
-  "Unknown", /* 440 */
-  "Unknown",
-  "Unknown",
-  "Unknown",
-  "No Response",
-  "Unknown", /* 445 */
-  "Unknown",
-  "Unknown",
-  "Unknown",
-  "Retry With",
-  "Blocked by Windows Parental Controls", /* 450 */
-  "Unavailable For Legal Reasons"
+  /* 400 */ "Bad Request"            /* RFC7231, Section 6.5.1 */,
+  /* 401 */ "Unauthorized"           /* RFC7235, Section 3.1 */,
+  /* 402 */ "Payment Required"       /* RFC7231, Section 6.5.2 */,
+  /* 403 */ "Forbidden"              /* RFC7231, Section 6.5.3 */,
+  /* 404 */ "Not Found"              /* RFC7231, Section 6.5.4 */,
+  /* 405 */ "Method Not Allowed"     /* RFC7231, Section 6.5.5 */,
+  /* 406 */ "Not Acceptable"         /* RFC7231, Section 6.5.6 */,
+  /* 407 */ "Proxy Authentication Required" /* RFC7235, Section 3.2 */,
+  /* 408 */ "Request Timeout"        /* RFC7231, Section 6.5.7 */,
+  /* 409 */ "Conflict"               /* RFC7231, Section 6.5.8 */,
+  /* 410 */ "Gone"                   /* RFC7231, Section 6.5.9 */,
+  /* 411 */ "Length Required"        /* RFC7231, Section 6.5.10 */,
+  /* 412 */ "Precondition Failed"    /* RFC7232, Section 4.2; RFC8144, Section 3.2 */,
+  /* 413 */ "Payload Too Large"      /* RFC7231, Section 6.5.11 */,
+  /* 414 */ "URI Too Long"           /* RFC7231, Section 6.5.12 */,
+  /* 415 */ "Unsupported Media Type" /* RFC7231, Section 6.5.13; RFC7694, Section 3 */,
+  /* 416 */ "Range Not Satisfiable"  /* RFC7233, Section 4.4 */,
+  /* 417 */ "Expectation Failed"     /* RFC7231, Section 6.5.14 */,
+  /* 418 */ "Unknown"                /* Not used */,
+  /* 419 */ "Unknown"                /* Not used */,
+  /* 420 */ "Unknown"                /* Not used */,
+  /* 421 */ "Misdirected Request"    /* RFC7540, Section 9.1.2 */,
+  /* 422 */ "Unprocessable Entity"   /* RFC4918 */,
+  /* 423 */ "Locked"                 /* RFC4918 */,
+  /* 424 */ "Failed Dependency"      /* RFC4918 */,
+  /* 425 */ "Too Early"              /* RFC8470 */,
+  /* 426 */ "Upgrade Required"       /* RFC7231, Section 6.5.15 */,
+  /* 427 */ "Unknown"                /* Not used */,
+  /* 428 */ "Precondition Required"  /* RFC6585 */,
+  /* 429 */ "Too Many Requests"      /* RFC6585 */,
+  /* 430 */ "Unknown"                /* Not used */,
+  /* 431 */ "Request Header Fields Too Large" /* RFC6585 */,
+  /* 432 */ "Unknown"                /* Not used */,
+  /* 433 */ "Unknown"                /* Not used */,
+  /* 434 */ "Unknown"                /* Not used */,
+  /* 435 */ "Unknown"                /* Not used */,
+  /* 436 */ "Unknown"                /* Not used */,
+  /* 437 */ "Unknown"                /* Not used */,
+  /* 438 */ "Unknown"                /* Not used */,
+  /* 439 */ "Unknown"                /* Not used */,
+  /* 440 */ "Unknown"                /* Not used */,
+  /* 441 */ "Unknown"                /* Not used */,
+  /* 442 */ "Unknown"                /* Not used */,
+  /* 443 */ "Unknown"                /* Not used */,
+  /* 444 */ "Unknown"                /* Not used */,
+  /* 445 */ "Unknown"                /* Not used */,
+  /* 446 */ "Unknown"                /* Not used */,
+  /* 447 */ "Unknown"                /* Not used */,
+  /* 448 */ "Unknown"                /* Not used */,
+  /* 449 */ "Reply With"             /* MS IIS extension */,
+  /* 450 */ "Blocked by Windows Parental Controls" /* MS extension */,
+  /* 451 */ "Unavailable For Legal Reasons" /* RFC7725 */
 };
 
 static const char *const five_hundred[] = {
-  "Internal Server Error",
-  "Not Implemented",
-  "Bad Gateway",
-  "Service Unavailable",
-  "Gateway Timeout",
-  "HTTP Version Not Supported",
-  "Variant Also Negotiates",
-  "Insufficient Storage",
-  "Loop Detected",
-  "Bandwidth Limit Exceeded",
-  "Not Extended",
-  "Network Authentication Required"
+  /* 500 */ "Internal Server Error"  /* RFC7231, Section 6.6.1 */,
+  /* 501 */ "Not Implemented"        /* RFC7231, Section 6.6.2 */,
+  /* 502 */ "Bad Gateway"            /* RFC7231, Section 6.6.3 */,
+  /* 503 */ "Service Unavailable"    /* RFC7231, Section 6.6.4 */,
+  /* 504 */ "Gateway Timeout"        /* RFC7231, Section 6.6.5 */,
+  /* 505 */ "HTTP Version Not Supported" /* RFC7231, Section 6.6.6 */,
+  /* 506 */ "Variant Also Negotiates" /* RFC2295 */,
+  /* 507 */ "Insufficient Storage"   /* RFC4918 */,
+  /* 508 */ "Loop Detected"          /* RFC5842 */,
+  /* 509 */ "Bandwidth Limit Exceeded" /* Apache extension */,
+  /* 510 */ "Not Extended"           /* RFC2774 */,
+  /* 511 */ "Network Authentication Required" /* RFC6585 */
 };