1 files changed, 0 insertions, 109 deletions
diff --git a/libs/libmosquitto/src/utf8_mosq.c b/libs/libmosquitto/src/utf8_mosq.c
deleted file mode 100644
index 875c1c7f27..0000000000
--- a/libs/libmosquitto/src/utf8_mosq.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
-Copyright (c) 2016-2019 Roger Light <roger@atchoo.org>
-
-All rights reserved. This program and the accompanying materials
-are made available under the terms of the Eclipse Public License v1.0
-and Eclipse Distribution License v1.0 which accompany this distribution.
- 
-The Eclipse Public License is available at
-   http://www.eclipse.org/legal/epl-v10.html
-and the Eclipse Distribution License is available at
-  http://www.eclipse.org/org/documents/edl-v10.php.
- 
-Contributors:
-   Roger Light - initial implementation.
-*/
-
-#include "config.h"
-
-#include <stdio.h>
-#include "mosquitto.h"
-
-int mosquitto_validate_utf8(const char *str, int len)
-{
-	int i;
-	int j;
-	int codelen;
-	int codepoint;
-	const unsigned char *ustr = (const unsigned char *)str;
-
-	if(!str) return MOSQ_ERR_INVAL;
-	if(len < 0 || len > 65536) return MOSQ_ERR_INVAL;
-
-	for(i=0; i<len; i++){
-		if(ustr[i] == 0){
-			return MOSQ_ERR_MALFORMED_UTF8;
-		}else if(ustr[i] <= 0x7f){
-			codelen = 1;
-			codepoint = ustr[i];
-		}else if((ustr[i] & 0xE0) == 0xC0){
-			/* 110xxxxx - 2 byte sequence */
-			if(ustr[i] == 0xC0 || ustr[i] == 0xC1){
-				/* Invalid bytes */
-				return MOSQ_ERR_MALFORMED_UTF8;
-			}
-			codelen = 2;
-			codepoint = (ustr[i] & 0x1F);
-		}else if((ustr[i] & 0xF0) == 0xE0){
-			// 1110xxxx - 3 byte sequence
-			codelen = 3;
-			codepoint = (ustr[i] & 0x0F);
-		}else if((ustr[i] & 0xF8) == 0xF0){
-			// 11110xxx - 4 byte sequence
-			if(ustr[i] > 0xF4){
-				/* Invalid, this would produce values > 0x10FFFF. */
-				return MOSQ_ERR_MALFORMED_UTF8;
-			}
-			codelen = 4;
-			codepoint = (ustr[i] & 0x07);
-		}else{
-			/* Unexpected continuation byte. */
-			return MOSQ_ERR_MALFORMED_UTF8;
-		}
-
-		/* Reconstruct full code point */
-		if(i == len-codelen+1){
-			/* Not enough data */
-			return MOSQ_ERR_MALFORMED_UTF8;
-		}
-		for(j=0; j<codelen-1; j++){
-			if((ustr[++i] & 0xC0) != 0x80){
-				/* Not a continuation byte */
-				return MOSQ_ERR_MALFORMED_UTF8;
-			}
-			codepoint = (codepoint<<6) | (ustr[i] & 0x3F);
-		}
-		
-		/* Check for UTF-16 high/low surrogates */
-		if(codepoint >= 0xD800 && codepoint <= 0xDFFF){
-			return MOSQ_ERR_MALFORMED_UTF8;
-		}
-
-		/* Check for overlong or out of range encodings */
-		/* Checking codelen == 2 isn't necessary here, because it is already
-		 * covered above in the C0 and C1 checks.
-		 * if(codelen == 2 && codepoint < 0x0080){
-		 *	 return MOSQ_ERR_MALFORMED_UTF8;
-		 * }else
-		*/
-		if(codelen == 3 && codepoint < 0x0800){
-			return MOSQ_ERR_MALFORMED_UTF8;
-		}else if(codelen == 4 && (codepoint < 0x10000 || codepoint > 0x10FFFF)){
-			return MOSQ_ERR_MALFORMED_UTF8;
-		}
-
-		/* Check for non-characters */
-		if(codepoint >= 0xFDD0 && codepoint <= 0xFDEF){
-			return MOSQ_ERR_MALFORMED_UTF8;
-		}
-		if((codepoint & 0xFFFF) == 0xFFFE || (codepoint & 0xFFFF) == 0xFFFF){
-			return MOSQ_ERR_MALFORMED_UTF8;
-		}
-		/* Check for control characters */
-		if(codepoint <= 0x001F || (codepoint >= 0x007F && codepoint <= 0x009F)){
-			return MOSQ_ERR_MALFORMED_UTF8;
-		}
-	}
-	return MOSQ_ERR_SUCCESS;
-}
-