diff --git a/Modules/cjkcodecs/_codecs_cn.c b/Modules/cjkcodecs/_codecs_cn.c
index c5e5d25..5fbcfec 100644
--- a/Modules/cjkcodecs/_codecs_cn.c
+++ b/Modules/cjkcodecs/_codecs_cn.c
@@ -23,23 +23,32 @@
  * A844         undefined                       U+2015 HORIZONTAL BAR
  */
 
-#define GBK_DECODE(dc1, dc2, writer) \
-    if ((dc1) == 0xa1 && (dc2) == 0xaa) OUTCHAR(0x2014); \
-    else if ((dc1) == 0xa8 && (dc2) == 0x44) OUTCHAR(0x2015); \
-    else if ((dc1) == 0xa1 && (dc2) == 0xa4) OUTCHAR(0x00b7); \
-    else if (TRYMAP_DEC(gb2312, decoded, dc1 ^ 0x80, dc2 ^ 0x80)) \
-        OUTCHAR(decoded); \
-    else if (TRYMAP_DEC(gbkext, decoded, dc1, dc2)) \
-        OUTCHAR(decoded);
+#define GBK_DECODE(dc1, dc2, writer)                                \
+    if ((dc1) == 0xa1 && (dc2) == 0xaa) {                           \
+        OUTCHAR(0x2014);                                            \
+    }                                                               \
+    else if ((dc1) == 0xa8 && (dc2) == 0x44) {                      \
+        OUTCHAR(0x2015);                                            \
+    }                                                               \
+    else if ((dc1) == 0xa1 && (dc2) == 0xa4) {                      \
+        OUTCHAR(0x00b7);                                            \
+    }                                                               \
+    else if (TRYMAP_DEC(gb2312, decoded, dc1 ^ 0x80, dc2 ^ 0x80)) { \
+        OUTCHAR(decoded);                                           \
+    }                                                               \
+    else if (TRYMAP_DEC(gbkext, decoded, dc1, dc2)) {               \
+        OUTCHAR(decoded);                                           \
+    }
 
 #define GBK_ENCODE(code, assi) \
-    if ((code) == 0x2014) \
+    if ((code) == 0x2014) { \
         (assi) = 0xa1aa; \
-    else if ((code) == 0x2015) \
+    } else if ((code) == 0x2015) { \
         (assi) = 0xa844; \
-    else if ((code) == 0x00b7) \
+    } else if ((code) == 0x00b7) { \
         (assi) = 0xa1a4; \
-    else if ((code) != 0x30fb && TRYMAP_ENC(gbcommon, assi, code))
+    } else if ((code) != 0x30fb && TRYMAP_ENC(gbcommon, assi, code)) { \
+    }
 
 /*
  * GB2312 codec
@@ -52,7 +61,7 @@
         DBCHAR code;
 
         if (c < 0x80) {
-            WRITEBYTE1((unsigned char)c)
+            WRITEBYTE1((unsigned char)c);
             NEXT(1, 1);
             continue;
         }
@@ -60,7 +69,7 @@
         if (c > 0xFFFF)
             return 1;
 
-        REQUIRE_OUTBUF(2)
+        REQUIRE_OUTBUF(2);
         if (TRYMAP_ENC(gbcommon, code, c))
             ;
         else
@@ -69,8 +78,8 @@
         if (code & 0x8000) /* MSB set: GBK */
             return 1;
 
-        OUTBYTE1((code >> 8) | 0x80)
-        OUTBYTE2((code & 0xFF) | 0x80)
+        OUTBYTE1((code >> 8) | 0x80);
+        OUTBYTE2((code & 0xFF) | 0x80);
         NEXT(1, 2);
     }
 
@@ -113,7 +122,7 @@
         DBCHAR code;
 
         if (c < 0x80) {
-            WRITEBYTE1((unsigned char)c)
+            WRITEBYTE1((unsigned char)c);
             NEXT(1, 1);
             continue;
         }
@@ -121,18 +130,17 @@
         if (c > 0xFFFF)
             return 1;
 
-        REQUIRE_OUTBUF(2)
+        REQUIRE_OUTBUF(2);
 
         GBK_ENCODE(c, code)
-            ;
         else
             return 1;
 
-        OUTBYTE1((code >> 8) | 0x80)
+        OUTBYTE1((code >> 8) | 0x80);
         if (code & 0x8000)
-            OUTBYTE2((code & 0xFF)) /* MSB set: GBK */
+            OUTBYTE2((code & 0xFF)); /* MSB set: GBK */
         else
-            OUTBYTE2((code & 0xFF) | 0x80) /* MSB unset: GB2312 */
+            OUTBYTE2((code & 0xFF) | 0x80); /* MSB unset: GB2312 */
         NEXT(1, 2);
     }
 
@@ -175,7 +183,7 @@
         DBCHAR code;
 
         if (c < 0x80) {
-            WRITEBYTE1(c)
+            WRITEBYTE1(c);
             NEXT(1, 1);
             continue;
         }
@@ -184,30 +192,29 @@
             Py_UCS4 tc = c - 0x10000;
             assert (c <= 0x10FFFF);
 
-            REQUIRE_OUTBUF(4)
+            REQUIRE_OUTBUF(4);
 
-            OUTBYTE4((unsigned char)(tc % 10) + 0x30)
+            OUTBYTE4((unsigned char)(tc % 10) + 0x30);
             tc /= 10;
-            OUTBYTE3((unsigned char)(tc % 126) + 0x81)
+            OUTBYTE3((unsigned char)(tc % 126) + 0x81);
             tc /= 126;
-            OUTBYTE2((unsigned char)(tc % 10) + 0x30)
+            OUTBYTE2((unsigned char)(tc % 10) + 0x30);
             tc /= 10;
-            OUTBYTE1((unsigned char)(tc + 0x90))
+            OUTBYTE1((unsigned char)(tc + 0x90));
 
             NEXT(1, 4);
             continue;
         }
 
-        REQUIRE_OUTBUF(2)
+        REQUIRE_OUTBUF(2);
 
         GBK_ENCODE(c, code)
-            ;
         else if (TRYMAP_ENC(gb18030ext, code, c))
             ;
         else {
             const struct _gb18030_to_unibmp_ranges *utrrange;
 
-            REQUIRE_OUTBUF(4)
+            REQUIRE_OUTBUF(4);
 
             for (utrrange = gb18030_to_unibmp_ranges;
                  utrrange->first != 0;
@@ -219,13 +226,13 @@
                     tc = c - utrrange->first +
                          utrrange->base;
 
-                    OUTBYTE4((unsigned char)(tc % 10) + 0x30)
+                    OUTBYTE4((unsigned char)(tc % 10) + 0x30);
                     tc /= 10;
-                    OUTBYTE3((unsigned char)(tc % 126) + 0x81)
+                    OUTBYTE3((unsigned char)(tc % 126) + 0x81);
                     tc /= 126;
-                    OUTBYTE2((unsigned char)(tc % 10) + 0x30)
+                    OUTBYTE2((unsigned char)(tc % 10) + 0x30);
                     tc /= 10;
-                    OUTBYTE1((unsigned char)tc + 0x81)
+                    OUTBYTE1((unsigned char)tc + 0x81);
 
                     NEXT(1, 4);
                     break;
@@ -236,11 +243,11 @@
             continue;
         }
 
-        OUTBYTE1((code >> 8) | 0x80)
+        OUTBYTE1((code >> 8) | 0x80);
         if (code & 0x8000)
-            OUTBYTE2((code & 0xFF)) /* MSB set: GBK or GB18030ext */
+            OUTBYTE2((code & 0xFF)); /* MSB set: GBK or GB18030ext */
         else
-            OUTBYTE2((code & 0xFF) | 0x80) /* MSB unset: GB2312 */
+            OUTBYTE2((code & 0xFF) | 0x80); /* MSB unset: GB2312 */
 
         NEXT(1, 2);
     }
@@ -326,7 +333,7 @@
 ENCODER_RESET(hz)
 {
     if (state->i != 0) {
-        WRITEBYTE2('~', '}')
+        WRITEBYTE2('~', '}');
         state->i = 0;
         NEXT_OUT(2);
     }
@@ -341,11 +348,11 @@
 
         if (c < 0x80) {
             if (state->i == 0) {
-                WRITEBYTE1((unsigned char)c)
+                WRITEBYTE1((unsigned char)c);
                 NEXT(1, 1);
             }
             else {
-                WRITEBYTE3('~', '}', (unsigned char)c)
+                WRITEBYTE3('~', '}', (unsigned char)c);
                 NEXT(1, 3);
                 state->i = 0;
             }
@@ -364,12 +371,12 @@
             return 1;
 
         if (state->i == 0) {
-            WRITEBYTE4('~', '{', code >> 8, code & 0xff)
+            WRITEBYTE4('~', '{', code >> 8, code & 0xff);
             NEXT(1, 4);
             state->i = 1;
         }
         else {
-            WRITEBYTE2(code >> 8, code & 0xff)
+            WRITEBYTE2(code >> 8, code & 0xff);
             NEXT(1, 2);
         }
     }
diff --git a/Modules/cjkcodecs/_codecs_hk.c b/Modules/cjkcodecs/_codecs_hk.c
index a79b699..92c468a 100644
--- a/Modules/cjkcodecs/_codecs_hk.c
+++ b/Modules/cjkcodecs/_codecs_hk.c
@@ -44,14 +44,14 @@
         Py_ssize_t insize;
 
         if (c < 0x80) {
-            REQUIRE_OUTBUF(1)
+            REQUIRE_OUTBUF(1);
             **outbuf = (unsigned char)c;
             NEXT(1, 1);
             continue;
         }
 
         insize = 1;
-        REQUIRE_OUTBUF(2)
+        REQUIRE_OUTBUF(2);
 
         if (c < 0x10000) {
             if (TRYMAP_ENC(big5hkscs_bmp, code, c)) {
@@ -97,8 +97,8 @@
         else
             return insize;
 
-        OUTBYTE1(code >> 8)
-        OUTBYTE2(code & 0xFF)
+        OUTBYTE1(code >> 8);
+        OUTBYTE2(code & 0xFF);
         NEXT(insize, 2);
     }
 
diff --git a/Modules/cjkcodecs/_codecs_iso2022.c b/Modules/cjkcodecs/_codecs_iso2022.c
index 0fd786a..3e5fb43 100644
--- a/Modules/cjkcodecs/_codecs_iso2022.c
+++ b/Modules/cjkcodecs/_codecs_iso2022.c
@@ -141,12 +141,12 @@
 ENCODER_RESET(iso2022)
 {
     if (STATE_GETFLAG(F_SHIFTED)) {
-        WRITEBYTE1(SI)
+        WRITEBYTE1(SI);
         NEXT_OUT(1);
         STATE_CLEARFLAG(F_SHIFTED)
     }
     if (STATE_G0 != CHARSET_ASCII) {
-        WRITEBYTE3(ESC, '(', 'B')
+        WRITEBYTE3(ESC, '(', 'B');
         NEXT_OUT(3);
         STATE_SETG0(CHARSET_ASCII)
     }
@@ -163,16 +163,16 @@
 
         if (c < 0x80) {
             if (STATE_G0 != CHARSET_ASCII) {
-                WRITEBYTE3(ESC, '(', 'B')
+                WRITEBYTE3(ESC, '(', 'B');
                 STATE_SETG0(CHARSET_ASCII)
                 NEXT_OUT(3);
             }
             if (STATE_GETFLAG(F_SHIFTED)) {
-                WRITEBYTE1(SI)
+                WRITEBYTE1(SI);
                 STATE_CLEARFLAG(F_SHIFTED)
                 NEXT_OUT(1);
             }
-            WRITEBYTE1((unsigned char)c)
+            WRITEBYTE1((unsigned char)c);
             NEXT(1, 1);
             continue;
         }
@@ -210,24 +210,24 @@
         switch (dsg->plane) {
         case 0: /* G0 */
             if (STATE_GETFLAG(F_SHIFTED)) {
-                WRITEBYTE1(SI)
+                WRITEBYTE1(SI);
                 STATE_CLEARFLAG(F_SHIFTED)
                 NEXT_OUT(1);
             }
             if (STATE_G0 != dsg->mark) {
                 if (dsg->width == 1) {
-                    WRITEBYTE3(ESC, '(', ESCMARK(dsg->mark))
+                    WRITEBYTE3(ESC, '(', ESCMARK(dsg->mark));
                     STATE_SETG0(dsg->mark)
                     NEXT_OUT(3);
                 }
                 else if (dsg->mark == CHARSET_JISX0208) {
-                    WRITEBYTE3(ESC, '$', ESCMARK(dsg->mark))
+                    WRITEBYTE3(ESC, '$', ESCMARK(dsg->mark));
                     STATE_SETG0(dsg->mark)
                     NEXT_OUT(3);
                 }
                 else {
                     WRITEBYTE4(ESC, '$', '(',
-                        ESCMARK(dsg->mark))
+                        ESCMARK(dsg->mark));
                     STATE_SETG0(dsg->mark)
                     NEXT_OUT(4);
                 }
@@ -236,19 +236,19 @@
         case 1: /* G1 */
             if (STATE_G1 != dsg->mark) {
                 if (dsg->width == 1) {
-                    WRITEBYTE3(ESC, ')', ESCMARK(dsg->mark))
+                    WRITEBYTE3(ESC, ')', ESCMARK(dsg->mark));
                     STATE_SETG1(dsg->mark)
                     NEXT_OUT(3);
                 }
                 else {
                     WRITEBYTE4(ESC, '$', ')',
-                        ESCMARK(dsg->mark))
+                        ESCMARK(dsg->mark));
                     STATE_SETG1(dsg->mark)
                     NEXT_OUT(4);
                 }
             }
             if (!STATE_GETFLAG(F_SHIFTED)) {
-                WRITEBYTE1(SO)
+                WRITEBYTE1(SO);
                 STATE_SETFLAG(F_SHIFTED)
                 NEXT_OUT(1);
             }
@@ -259,11 +259,11 @@
         }
 
         if (dsg->width == 1) {
-            WRITEBYTE1((unsigned char)encoded)
+            WRITEBYTE1((unsigned char)encoded);
             NEXT_OUT(1);
         }
         else {
-            WRITEBYTE2(encoded >> 8, encoded & 0xff)
+            WRITEBYTE2(encoded >> 8, encoded & 0xff);
             NEXT_OUT(2);
         }
         NEXT_INCHAR(insize);
@@ -371,20 +371,21 @@
     return 0;
 }
 
-#define ISO8859_7_DECODE(c, writer)                            \
-    if ((c) < 0xa0)                                            \
-        OUTCHAR(c);                                            \
-    else if ((c) < 0xc0 && (0x288f3bc9L & (1L << ((c)-0xa0)))) \
-        OUTCHAR(c);                                            \
-    else if ((c) >= 0xb4 && (c) <= 0xfe && ((c) >= 0xd4 ||     \
-             (0xbffffd77L & (1L << ((c)-0xb4)))))              \
-        OUTCHAR(0x02d0 + (c));                                 \
-    else if ((c) == 0xa1)                                      \
-        OUTCHAR(0x2018);                                       \
-    else if ((c) == 0xa2)                                      \
-        OUTCHAR(0x2019);                                       \
-    else if ((c) == 0xaf)                                      \
-        OUTCHAR(0x2015);
+#define ISO8859_7_DECODE(c, writer)                                \
+    if ((c) < 0xa0) {                                              \
+        OUTCHAR(c);                                                \
+    } else if ((c) < 0xc0 && (0x288f3bc9L & (1L << ((c)-0xa0)))) { \
+        OUTCHAR(c);                                                \
+    } else if ((c) >= 0xb4 && (c) <= 0xfe && ((c) >= 0xd4 ||       \
+             (0xbffffd77L & (1L << ((c)-0xb4))))) {                \
+        OUTCHAR(0x02d0 + (c));                                     \
+    } else if ((c) == 0xa1) {                                      \
+        OUTCHAR(0x2018);                                           \
+    } else if ((c) == 0xa2) {                                      \
+        OUTCHAR(0x2019);                                           \
+    } else if ((c) == 0xaf) {                                      \
+        OUTCHAR(0x2015);                                           \
+    }
 
 static Py_ssize_t
 iso2022processg2(const void *config, MultibyteCodec_State *state,
diff --git a/Modules/cjkcodecs/_codecs_jp.c b/Modules/cjkcodecs/_codecs_jp.c
index bc34020..447bf77 100644
--- a/Modules/cjkcodecs/_codecs_jp.c
+++ b/Modules/cjkcodecs/_codecs_jp.c
@@ -25,33 +25,33 @@
         unsigned char c1, c2;
 
         if (c <= 0x80) {
-            WRITEBYTE1((unsigned char)c)
+            WRITEBYTE1((unsigned char)c);
             NEXT(1, 1);
             continue;
         }
         else if (c >= 0xff61 && c <= 0xff9f) {
-            WRITEBYTE1(c - 0xfec0)
+            WRITEBYTE1(c - 0xfec0);
             NEXT(1, 1);
             continue;
         }
         else if (c >= 0xf8f0 && c <= 0xf8f3) {
             /* Windows compatibility */
-            REQUIRE_OUTBUF(1)
+            REQUIRE_OUTBUF(1);
             if (c == 0xf8f0)
-                OUTBYTE1(0xa0)
+                OUTBYTE1(0xa0);
             else
-                OUTBYTE1(c - 0xfef1 + 0xfd)
+                OUTBYTE1(c - 0xfef1 + 0xfd);
             NEXT(1, 1);
             continue;
         }
 
         if (c > 0xFFFF)
             return 1;
-        REQUIRE_OUTBUF(2)
+        REQUIRE_OUTBUF(2);
 
         if (TRYMAP_ENC(cp932ext, code, c)) {
-            OUTBYTE1(code >> 8)
-            OUTBYTE2(code & 0xff)
+            OUTBYTE1(code >> 8);
+            OUTBYTE2(code & 0xff);
         }
         else if (TRYMAP_ENC(jisxcommon, code, c)) {
             if (code & 0x8000) /* MSB set: JIS X 0212 */
@@ -62,15 +62,15 @@
             c2 = code & 0xff;
             c2 = (((c1 - 0x21) & 1) ? 0x5e : 0) + (c2 - 0x21);
             c1 = (c1 - 0x21) >> 1;
-            OUTBYTE1(c1 < 0x1f ? c1 + 0x81 : c1 + 0xc1)
-            OUTBYTE2(c2 < 0x3f ? c2 + 0x40 : c2 + 0x41)
+            OUTBYTE1(c1 < 0x1f ? c1 + 0x81 : c1 + 0xc1);
+            OUTBYTE2(c2 < 0x3f ? c2 + 0x40 : c2 + 0x41);
         }
         else if (c >= 0xe000 && c < 0xe758) {
             /* User-defined area */
             c1 = (Py_UCS4)(c - 0xe000) / 188;
             c2 = (Py_UCS4)(c - 0xe000) % 188;
-            OUTBYTE1(c1 + 0xf0)
-            OUTBYTE2(c2 < 0x3f ? c2 + 0x40 : c2 + 0x41)
+            OUTBYTE1(c1 + 0xf0);
+            OUTBYTE2(c2 < 0x3f ? c2 + 0x40 : c2 + 0x41);
         }
         else
             return 1;
@@ -156,7 +156,7 @@
         Py_ssize_t insize;
 
         if (c < 0x80) {
-            WRITEBYTE1(c)
+            WRITEBYTE1(c);
             NEXT(1, 1);
             continue;
         }
@@ -201,7 +201,7 @@
                 ;
             else if (c >= 0xff61 && c <= 0xff9f) {
                 /* JIS X 0201 half-width katakana */
-                WRITEBYTE2(0x8e, c - 0xfec0)
+                WRITEBYTE2(0x8e, c - 0xfec0);
                 NEXT(1, 2);
                 continue;
             }
@@ -226,11 +226,11 @@
 
         if (code & 0x8000) {
             /* Codeset 2 */
-            WRITEBYTE3(0x8f, code >> 8, (code & 0xFF) | 0x80)
+            WRITEBYTE3(0x8f, code >> 8, (code & 0xFF) | 0x80);
             NEXT(insize, 3);
         } else {
             /* Codeset 1 */
-            WRITEBYTE2((code >> 8) | 0x80, (code & 0xFF) | 0x80)
+            WRITEBYTE2((code >> 8) | 0x80, (code & 0xFF) | 0x80);
             NEXT(insize, 2);
         }
     }
@@ -333,7 +333,7 @@
         DBCHAR code;
 
         if (c < 0x80) {
-            WRITEBYTE1((unsigned char)c)
+            WRITEBYTE1((unsigned char)c);
             NEXT(1, 1);
             continue;
         }
@@ -345,7 +345,7 @@
             ;
         else if (c >= 0xff61 && c <= 0xff9f) {
             /* JIS X 0201 half-width katakana */
-            WRITEBYTE2(0x8e, c - 0xfec0)
+            WRITEBYTE2(0x8e, c - 0xfec0);
             NEXT(1, 2);
             continue;
         }
@@ -367,11 +367,11 @@
 
         if (code & 0x8000) {
             /* JIS X 0212 */
-            WRITEBYTE3(0x8f, code >> 8, (code & 0xFF) | 0x80)
+            WRITEBYTE3(0x8f, code >> 8, (code & 0xFF) | 0x80);
             NEXT(1, 3);
         } else {
             /* JIS X 0208 */
-            WRITEBYTE2((code >> 8) | 0x80, (code & 0xFF) | 0x80)
+            WRITEBYTE2((code >> 8) | 0x80, (code & 0xFF) | 0x80);
             NEXT(1, 2);
         }
     }
@@ -470,14 +470,14 @@
             code = NOCHAR;
 
         if (code < 0x80 || (code >= 0xa1 && code <= 0xdf)) {
-            REQUIRE_OUTBUF(1)
+            REQUIRE_OUTBUF(1);
 
-            OUTBYTE1((unsigned char)code)
+            OUTBYTE1((unsigned char)code);
             NEXT(1, 1);
             continue;
         }
 
-        REQUIRE_OUTBUF(2)
+        REQUIRE_OUTBUF(2);
 
         if (code == NOCHAR) {
             if (TRYMAP_ENC(jisxcommon, code, c))
@@ -497,8 +497,8 @@
         c2 = code & 0xff;
         c2 = (((c1 - 0x21) & 1) ? 0x5e : 0) + (c2 - 0x21);
         c1 = (c1 - 0x21) >> 1;
-        OUTBYTE1(c1 < 0x1f ? c1 + 0x81 : c1 + 0xc1)
-        OUTBYTE2(c2 < 0x3f ? c2 + 0x40 : c2 + 0x41)
+        OUTBYTE1(c1 < 0x1f ? c1 + 0x81 : c1 + 0xc1);
+        OUTBYTE2(c2 < 0x3f ? c2 + 0x40 : c2 + 0x41);
         NEXT(1, 2);
     }
 
@@ -572,12 +572,12 @@
         JISX0201_ENCODE(c, code)
 
         if (code < 0x80 || (code >= 0xa1 && code <= 0xdf)) {
-            WRITEBYTE1((unsigned char)code)
+            WRITEBYTE1((unsigned char)code);
             NEXT(1, 1);
             continue;
         }
 
-        REQUIRE_OUTBUF(2)
+        REQUIRE_OUTBUF(2);
         insize = 1;
 
         if (code == NOCHAR) {
@@ -654,8 +654,8 @@
         if (c1 & 1)
             c2 += 0x5e;
         c1 >>= 1;
-        OUTBYTE1(c1 + (c1 < 0x1f ? 0x81 : 0xc1))
-        OUTBYTE2(c2 + (c2 < 0x3f ? 0x40 : 0x41))
+        OUTBYTE1(c1 + (c1 < 0x1f ? 0x81 : 0xc1));
+        OUTBYTE2(c2 + (c2 < 0x3f ? 0x40 : 0x41));
 
         NEXT(insize, 2);
     }
diff --git a/Modules/cjkcodecs/_codecs_kr.c b/Modules/cjkcodecs/_codecs_kr.c
index 062a0ff..6a3a1f7 100644
--- a/Modules/cjkcodecs/_codecs_kr.c
+++ b/Modules/cjkcodecs/_codecs_kr.c
@@ -38,7 +38,7 @@
         DBCHAR code;
 
         if (c < 0x80) {
-            WRITEBYTE1((unsigned char)c)
+            WRITEBYTE1((unsigned char)c);
             NEXT(1, 1);
             continue;
         }
@@ -46,7 +46,7 @@
         if (c > 0xFFFF)
             return 1;
 
-        REQUIRE_OUTBUF(2)
+        REQUIRE_OUTBUF(2);
         if (TRYMAP_ENC(cp949, code, c))
             ;
         else
@@ -54,33 +54,33 @@
 
         if ((code & 0x8000) == 0) {
             /* KS X 1001 coded character */
-            OUTBYTE1((code >> 8) | 0x80)
-            OUTBYTE2((code & 0xFF) | 0x80)
+            OUTBYTE1((code >> 8) | 0x80);
+            OUTBYTE2((code & 0xFF) | 0x80);
             NEXT(1, 2);
         }
         else {          /* Mapping is found in CP949 extension,
                  * but we encode it in KS X 1001:1998 Annex 3,
                  * make-up sequence for EUC-KR. */
 
-            REQUIRE_OUTBUF(8)
+            REQUIRE_OUTBUF(8);
 
             /* syllable composition precedence */
-            OUTBYTE1(EUCKR_JAMO_FIRSTBYTE)
-            OUTBYTE2(EUCKR_JAMO_FILLER)
+            OUTBYTE1(EUCKR_JAMO_FIRSTBYTE);
+            OUTBYTE2(EUCKR_JAMO_FILLER);
 
             /* All codepoints in CP949 extension are in unicode
              * Hangul Syllable area. */
             assert(0xac00 <= c && c <= 0xd7a3);
             c -= 0xac00;
 
-            OUTBYTE3(EUCKR_JAMO_FIRSTBYTE)
-            OUTBYTE4(u2cgk_choseong[c / 588])
+            OUTBYTE3(EUCKR_JAMO_FIRSTBYTE);
+            OUTBYTE4(u2cgk_choseong[c / 588]);
             NEXT_OUT(4);
 
-            OUTBYTE1(EUCKR_JAMO_FIRSTBYTE)
-            OUTBYTE2(u2cgk_jungseong[(c / 28) % 21])
-            OUTBYTE3(EUCKR_JAMO_FIRSTBYTE)
-            OUTBYTE4(u2cgk_jongseong[c % 28])
+            OUTBYTE1(EUCKR_JAMO_FIRSTBYTE);
+            OUTBYTE2(u2cgk_jungseong[(c / 28) % 21]);
+            OUTBYTE3(EUCKR_JAMO_FIRSTBYTE);
+            OUTBYTE4(u2cgk_jongseong[c % 28]);
             NEXT(1, 4);
         }
     }
@@ -175,7 +175,7 @@
         DBCHAR code;
 
         if (c < 0x80) {
-            WRITEBYTE1((unsigned char)c)
+            WRITEBYTE1((unsigned char)c);
             NEXT(1, 1);
             continue;
         }
@@ -183,17 +183,17 @@
         if (c > 0xFFFF)
             return 1;
 
-        REQUIRE_OUTBUF(2)
+        REQUIRE_OUTBUF(2);
         if (TRYMAP_ENC(cp949, code, c))
             ;
         else
             return 1;
 
-        OUTBYTE1((code >> 8) | 0x80)
+        OUTBYTE1((code >> 8) | 0x80);
         if (code & 0x8000)
-            OUTBYTE2(code & 0xFF) /* MSB set: CP949 */
+            OUTBYTE2(code & 0xFF); /* MSB set: CP949 */
         else
-            OUTBYTE2((code & 0xFF) | 0x80) /* MSB unset: ks x 1001 */
+            OUTBYTE2((code & 0xFF) | 0x80); /* MSB unset: ks x 1001 */
         NEXT(1, 2);
     }
 
@@ -265,7 +265,7 @@
         DBCHAR code;
 
         if (c < 0x80) {
-            WRITEBYTE1((unsigned char)c)
+            WRITEBYTE1((unsigned char)c);
             NEXT(1, 1);
             continue;
         }
@@ -273,7 +273,7 @@
         if (c > 0xFFFF)
             return 1;
 
-        REQUIRE_OUTBUF(2)
+        REQUIRE_OUTBUF(2);
 
         if (c >= 0xac00 && c <= 0xd7a3) {
             c -= 0xac00;
@@ -297,8 +297,8 @@
                 t1 = (c1 < 0x4a ? (c1 - 0x21 + 0x1b2) :
                           (c1 - 0x21 + 0x197));
                 t2 = ((t1 & 1) ? 0x5e : 0) + (c2 - 0x21);
-                OUTBYTE1(t1 >> 1)
-                OUTBYTE2(t2 < 0x4e ? t2 + 0x31 : t2 + 0x43)
+                OUTBYTE1(t1 >> 1);
+                OUTBYTE2(t2 < 0x4e ? t2 + 0x31 : t2 + 0x43);
                 NEXT(1, 2);
                 continue;
             }
@@ -308,8 +308,8 @@
         else
             return 1;
 
-        OUTBYTE1(code >> 8)
-        OUTBYTE2(code & 0xff)
+        OUTBYTE1(code >> 8);
+        OUTBYTE2(code & 0xff);
         NEXT(1, 2);
     }
 
diff --git a/Modules/cjkcodecs/_codecs_tw.c b/Modules/cjkcodecs/_codecs_tw.c
index c294f15..016770c 100644
--- a/Modules/cjkcodecs/_codecs_tw.c
+++ b/Modules/cjkcodecs/_codecs_tw.c
@@ -18,7 +18,7 @@
         DBCHAR code;
 
         if (c < 0x80) {
-            REQUIRE_OUTBUF(1)
+            REQUIRE_OUTBUF(1);
             **outbuf = (unsigned char)c;
             NEXT(1, 1);
             continue;
@@ -27,15 +27,15 @@
         if (c > 0xFFFF)
             return 1;
 
-        REQUIRE_OUTBUF(2)
+        REQUIRE_OUTBUF(2);
 
         if (TRYMAP_ENC(big5, code, c))
             ;
         else
             return 1;
 
-        OUTBYTE1(code >> 8)
-        OUTBYTE2(code & 0xFF)
+        OUTBYTE1(code >> 8);
+        OUTBYTE2(code & 0xFF);
         NEXT(1, 2);
     }
 
@@ -77,7 +77,7 @@
         DBCHAR code;
 
         if (c < 0x80) {
-            WRITEBYTE1((unsigned char)c)
+            WRITEBYTE1((unsigned char)c);
             NEXT(1, 1);
             continue;
         }
@@ -85,7 +85,7 @@
         if (c > 0xFFFF)
             return 1;
 
-        REQUIRE_OUTBUF(2)
+        REQUIRE_OUTBUF(2);
         if (TRYMAP_ENC(cp950ext, code, c))
             ;
         else if (TRYMAP_ENC(big5, code, c))
@@ -93,8 +93,8 @@
         else
             return 1;
 
-        OUTBYTE1(code >> 8)
-        OUTBYTE2(code & 0xFF)
+        OUTBYTE1(code >> 8);
+        OUTBYTE2(code & 0xFF);
         NEXT(1, 2);
     }
 
diff --git a/Modules/cjkcodecs/alg_jisx0201.h b/Modules/cjkcodecs/alg_jisx0201.h
index 5368e08..3034b5a 100644
--- a/Modules/cjkcodecs/alg_jisx0201.h
+++ b/Modules/cjkcodecs/alg_jisx0201.h
@@ -10,8 +10,9 @@
     }
 
 #define JISX0201_K_ENCODE(c, assi)                      \
-    if ((c) >= 0xff61 && (c) <= 0xff9f)                 \
-    { (assi) = (c) - 0xfec0; }
+    if ((c) >= 0xff61 && (c) <= 0xff9f) {               \
+        (assi) = (c) - 0xfec0;                          \
+    }
 
 #define JISX0201_ENCODE(c, assi)                        \
     JISX0201_R_ENCODE(c, assi)                          \
@@ -35,18 +36,30 @@
     }
 
 #define JISX0201_R_DECODE(c, writer)                    \
-    if ((c) < 0x5c) OUTCHAR(c);                             \
-    else if ((c) == 0x5c) OUTCHAR(0x00a5);                  \
-    else if ((c) < 0x7e) OUTCHAR(c);                        \
-    else if ((c) == 0x7e) OUTCHAR(0x203e);                  \
-    else if ((c) == 0x7f) OUTCHAR(0x7f);
+    if ((c) < 0x5c) {                                   \
+        OUTCHAR(c);                                     \
+    }                                                   \
+    else if ((c) == 0x5c) {                             \
+        OUTCHAR(0x00a5);                                \
+    }                                                   \
+    else if ((c) < 0x7e) {                              \
+        OUTCHAR(c);                                     \
+    }                                                   \
+    else if ((c) == 0x7e) {                             \
+        OUTCHAR(0x203e);                                \
+    }                                                   \
+    else if ((c) == 0x7f) {                             \
+        OUTCHAR(0x7f);                                  \
+    }
 
 #define JISX0201_K_DECODE(c, writer)                    \
-    if ((c) >= 0xa1 && (c) <= 0xdf)                     \
-        OUTCHAR(0xfec0 + (c));
+    if ((c) >= 0xa1 && (c) <= 0xdf) {                   \
+        OUTCHAR(0xfec0 + (c));                          \
+    }
 #define JISX0201_K_DECODE_CHAR(c, assi)                 \
-    if ((c) >= 0xa1 && (c) <= 0xdf)                     \
-        (assi) = 0xfec0 + (c);
+    if ((c) >= 0xa1 && (c) <= 0xdf) {                   \
+        (assi) = 0xfec0 + (c);                          \
+    }
 #define JISX0201_DECODE(c, writer)                      \
     JISX0201_R_DECODE(c, writer)                        \
     else JISX0201_K_DECODE(c, writer)
diff --git a/Modules/cjkcodecs/cjkcodecs.h b/Modules/cjkcodecs/cjkcodecs.h
index 4a5f0c1..2aedf25 100644
--- a/Modules/cjkcodecs/cjkcodecs.h
+++ b/Modules/cjkcodecs/cjkcodecs.h
@@ -108,24 +108,26 @@
     } while (0)
 #define NEXT(i, o)                              \
     do {                                        \
-        NEXT_INCHAR(i);                        \
-        NEXT_OUT(o);                        \
+        NEXT_INCHAR(i);                         \
+        NEXT_OUT(o);                            \
     } while (0)
 
 #define REQUIRE_INBUF(n)                        \
     if (inleft < (n))                           \
         return MBERR_TOOFEW;
 #define REQUIRE_OUTBUF(n)                       \
-    if (outleft < (n))                          \
-        return MBERR_TOOSMALL;
+    do {                                        \
+        if (outleft < (n))                      \
+            return MBERR_TOOSMALL;              \
+    } while (0)
 
 #define INBYTE1 ((*inbuf)[0])
 #define INBYTE2 ((*inbuf)[1])
 #define INBYTE3 ((*inbuf)[2])
 #define INBYTE4 ((*inbuf)[3])
 
-#define INCHAR1 PyUnicode_READ(kind, data, *inpos)
-#define INCHAR2 PyUnicode_READ(kind, data, *inpos + 1)
+#define INCHAR1 (PyUnicode_READ(kind, data, *inpos))
+#define INCHAR2 (PyUnicode_READ(kind, data, *inpos + 1))
 
 #define OUTCHAR(c)                                                         \
     do {                                                                   \
@@ -138,35 +140,47 @@
         Py_UCS4 _c1 = (c1);                                                \
         Py_UCS4 _c2 = (c2);                                                \
         if (_PyUnicodeWriter_Prepare(writer, 2, Py_MAX(_c1, c2)) < 0)      \
-            return MBERR_EXCEPTION;                                         \
+            return MBERR_EXCEPTION;                                        \
         PyUnicode_WRITE(writer->kind, writer->data, writer->pos, _c1);     \
         PyUnicode_WRITE(writer->kind, writer->data, writer->pos + 1, _c2); \
         writer->pos += 2;                                                  \
     } while (0)
 
-#define OUTBYTE1(c) ((*outbuf)[0]) = (c);
-#define OUTBYTE2(c) ((*outbuf)[1]) = (c);
-#define OUTBYTE3(c) ((*outbuf)[2]) = (c);
-#define OUTBYTE4(c) ((*outbuf)[3]) = (c);
+#define OUTBYTE1(c) \
+    do { ((*outbuf)[0]) = (c); } while (0)
+#define OUTBYTE2(c) \
+    do { ((*outbuf)[1]) = (c); } while (0)
+#define OUTBYTE3(c) \
+    do { ((*outbuf)[2]) = (c); } while (0)
+#define OUTBYTE4(c) \
+    do { ((*outbuf)[3]) = (c); } while (0)
 
 #define WRITEBYTE1(c1)              \
-    REQUIRE_OUTBUF(1)           \
-    (*outbuf)[0] = (c1);
+    do {                            \
+        REQUIRE_OUTBUF(1);          \
+        (*outbuf)[0] = (c1);        \
+    } while (0)
 #define WRITEBYTE2(c1, c2)          \
-    REQUIRE_OUTBUF(2)           \
-    (*outbuf)[0] = (c1);        \
-    (*outbuf)[1] = (c2);
+    do {                            \
+        REQUIRE_OUTBUF(2);          \
+        (*outbuf)[0] = (c1);        \
+        (*outbuf)[1] = (c2);        \
+    } while (0)
 #define WRITEBYTE3(c1, c2, c3)      \
-    REQUIRE_OUTBUF(3)           \
-    (*outbuf)[0] = (c1);        \
-    (*outbuf)[1] = (c2);        \
-    (*outbuf)[2] = (c3);
+    do {                            \
+        REQUIRE_OUTBUF(3);          \
+        (*outbuf)[0] = (c1);        \
+        (*outbuf)[1] = (c2);        \
+        (*outbuf)[2] = (c3);        \
+    } while (0)
 #define WRITEBYTE4(c1, c2, c3, c4)  \
-    REQUIRE_OUTBUF(4)           \
-    (*outbuf)[0] = (c1);        \
-    (*outbuf)[1] = (c2);        \
-    (*outbuf)[2] = (c3);        \
-    (*outbuf)[3] = (c4);
+    do {                            \
+        REQUIRE_OUTBUF(4);          \
+        (*outbuf)[0] = (c1);        \
+        (*outbuf)[1] = (c2);        \
+        (*outbuf)[2] = (c3);        \
+        (*outbuf)[3] = (c4);        \
+    } while (0)
 
 #define _TRYMAP_ENC(m, assi, val)                               \
     ((m)->map != NULL && (val) >= (m)->bottom &&                \
diff --git a/Modules/cjkcodecs/emu_jisx0213_2000.h b/Modules/cjkcodecs/emu_jisx0213_2000.h
index 877337e..672eb06 100644
--- a/Modules/cjkcodecs/emu_jisx0213_2000.h
+++ b/Modules/cjkcodecs/emu_jisx0213_2000.h
@@ -11,17 +11,20 @@
                     (c) == 0x525D || (c) == 0x541E ||                   \
                     (c) == 0x5653 || (c) == 0x59F8 ||                   \
                     (c) == 0x5C5B || (c) == 0x5E77 ||                   \
-                    (c) == 0x7626 || (c) == 0x7E6B))                    \
+                    (c) == 0x7626 || (c) == 0x7E6B)) {                  \
         return EMULATE_JISX0213_2000_ENCODE_INVALID;                    \
-    else if (config == (void *)2000 && (c) == 0x9B1D)                   \
+    }                                                                   \
+    else if (config == (void *)2000 && (c) == 0x9B1D) {                 \
         (assi) = 0x8000 | 0x7d3b;                                       \
+    }
 
 #define EMULATE_JISX0213_2000_ENCODE_EMP(assi, c)                       \
-    if (config == (void *)2000 && (c) == 0x20B9F)                       \
-        return EMULATE_JISX0213_2000_ENCODE_INVALID;
+    if (config == (void *)2000 && (c) == 0x20B9F) {                     \
+        return EMULATE_JISX0213_2000_ENCODE_INVALID;                    \
+    }
 
 #ifndef EMULATE_JISX0213_2000_DECODE_INVALID
-#define EMULATE_JISX0213_2000_DECODE_INVALID 2
+#  define EMULATE_JISX0213_2000_DECODE_INVALID 2
 #endif
 
 #define EMULATE_JISX0213_2000_DECODE_PLANE1(assi, c1, c2)               \
@@ -35,12 +38,17 @@
                      ((c1) == 0x7E && (c2) == 0x7B) ||                  \
                      ((c1) == 0x7E && (c2) == 0x7C) ||                  \
                      ((c1) == 0x7E && (c2) == 0x7D) ||                  \
-                     ((c1) == 0x7E && (c2) == 0x7E)))                   \
-        return EMULATE_JISX0213_2000_DECODE_INVALID;
+                     ((c1) == 0x7E && (c2) == 0x7E))) {                 \
+        return EMULATE_JISX0213_2000_DECODE_INVALID;                    \
+    }
 
-#define EMULATE_JISX0213_2000_DECODE_PLANE2(writer, c1, c2)               \
-    if (config == (void *)2000 && (c1) == 0x7D && (c2) == 0x3B)         \
-        OUTCHAR(0x9B1D);
-#define EMULATE_JISX0213_2000_DECODE_PLANE2_CHAR(assi, c1, c2)               \
-    if (config == (void *)2000 && (c1) == 0x7D && (c2) == 0x3B)         \
-        (assi) = 0x9B1D;
+#define EMULATE_JISX0213_2000_DECODE_PLANE2(writer, c1, c2)             \
+    if (config == (void *)2000 && (c1) == 0x7D && (c2) == 0x3B) {       \
+        OUTCHAR(0x9B1D);                                                \
+    }
+
+#define EMULATE_JISX0213_2000_DECODE_PLANE2_CHAR(assi, c1, c2)          \
+    if (config == (void *)2000 && (c1) == 0x7D && (c2) == 0x3B) {       \
+        (assi) = 0x9B1D;                                                \
+    }
+
diff --git a/Modules/cjkcodecs/multibytecodec.h b/Modules/cjkcodecs/multibytecodec.h
index 7cde8e3..5b8c222 100644
--- a/Modules/cjkcodecs/multibytecodec.h
+++ b/Modules/cjkcodecs/multibytecodec.h
@@ -118,11 +118,11 @@
 #define ERROR_IGNORE            (PyObject *)(2)
 #define ERROR_REPLACE           (PyObject *)(3)
 #define ERROR_ISCUSTOM(p)       ((p) < ERROR_STRICT || ERROR_REPLACE < (p))
-#define ERROR_DECREF(p) do {                    \
-    if (p != NULL && ERROR_ISCUSTOM(p)) {       \
-        Py_DECREF(p);                           \
-    }                                           \
-} while (0);
+#define ERROR_DECREF(p)                             \
+    do {                                            \
+        if (p != NULL && ERROR_ISCUSTOM(p))         \
+            Py_DECREF(p);                           \
+    } while (0);
 
 #define MBENC_FLUSH             0x0001 /* encode all characters encodable */
 #define MBENC_MAX               MBENC_FLUSH