fix: 32bit be decoding

Author: fumiama

CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 2.8.12)
 if (POLICY CMP0048)
   cmake_policy(SET CMP0048 NEW)
 endif (POLICY CMP0048)
-project(base16384 VERSION 2.2.3)
+project(base16384 VERSION 2.2.4)
 
 add_executable(base16384_b base16384.c)
 

base1432.c

@@ -194,7 +194,11 @@ int base16384_decode(const char* data, int dlen, char* buf, int blen) {
 				if(offset--) {
 					buf[i] = (sum & 0x0f000000) >> 20;
 					// 这里有读取越界
-					sum = vals[n];
+					#ifdef WORDS_BIGENDIAN
+						sum = __builtin_bswap32(vals[n]);
+					#else
+						sum = vals[n];
+					#endif
 					sum -= 0x0000004e;
 					buf[i++] |= (sum & 0x0000003c) >> 2;
 					if(offset--) {

base16384.c

@@ -39,7 +39,7 @@ unsigned long get_start_ms() {
 #endif
 
 static void print_usage() {
-	puts("Copyright (c) 2022-2023 Fumiama Minamoto.\nBase16384 2.2.3 (May 18th 2023). Usage:");
+	puts("Copyright (c) 2022-2023 Fumiama Minamoto.\nBase16384 2.2.4 (July 23rd 2023). Usage:");
 	puts("base16384 [-edt] [inputfile] [outputfile]");
 	puts("  -e\t\tencode");
 	puts("  -d\t\tdecode");