From 1a05d6c04d2a499a7485b15668f2eb37f9f60e3a Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Fri, 2 Sep 2016 12:12:23 +0200
Subject: [PATCH] PEP 7 style for if/else in C

Add also a newline for readability in normalize_encoding().
---
 Lib/encodings/__init__.py  |  1 +
 Objects/stringlib/codecs.h |  3 ++-
 Objects/unicodeobject.c    | 48 +++++++++++++++++++++++++-------------
 3 files changed, 35 insertions(+), 17 deletions(-)

diff --git a/Lib/encodings/__init__.py b/Lib/encodings/__init__.py
index 8dd713056ef..320011bd0eb 100644
--- a/Lib/encodings/__init__.py
+++ b/Lib/encodings/__init__.py
@@ -54,6 +54,7 @@ def normalize_encoding(encoding):
     """
     if isinstance(encoding, bytes):
         encoding = str(encoding, "ascii")
+
     chars = []
     punct = False
     for c in encoding:
diff --git a/Objects/stringlib/codecs.h b/Objects/stringlib/codecs.h
index 749e7652fe0..a9d0a349d96 100644
--- a/Objects/stringlib/codecs.h
+++ b/Objects/stringlib/codecs.h
@@ -314,8 +314,9 @@ STRINGLIB(utf8_encoder)(PyObject *unicode,
         else if (Py_UNICODE_IS_SURROGATE(ch)) {
             Py_ssize_t startpos, endpos, newpos;
             Py_ssize_t k;
-            if (error_handler == _Py_ERROR_UNKNOWN)
+            if (error_handler == _Py_ERROR_UNKNOWN) {
                 error_handler = get_error_handler(errors);
+            }
 
             startpos = i-1;
             endpos = startpos+1;
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 0226e429c3a..e9e703f2789 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -316,20 +316,27 @@ typedef enum {
 static _Py_error_handler
 get_error_handler(const char *errors)
 {
-    if (errors == NULL || strcmp(errors, "strict") == 0)
+    if (errors == NULL || strcmp(errors, "strict") == 0) {
         return _Py_ERROR_STRICT;
-    if (strcmp(errors, "surrogateescape") == 0)
+    }
+    if (strcmp(errors, "surrogateescape") == 0) {
         return _Py_ERROR_SURROGATEESCAPE;
-    if (strcmp(errors, "replace") == 0)
+    }
+    if (strcmp(errors, "replace") == 0) {
         return _Py_ERROR_REPLACE;
-    if (strcmp(errors, "ignore") == 0)
+    }
+    if (strcmp(errors, "ignore") == 0) {
         return _Py_ERROR_IGNORE;
-    if (strcmp(errors, "backslashreplace") == 0)
+    }
+    if (strcmp(errors, "backslashreplace") == 0) {
         return _Py_ERROR_BACKSLASHREPLACE;
-    if (strcmp(errors, "surrogatepass") == 0)
+    }
+    if (strcmp(errors, "surrogatepass") == 0) {
         return _Py_ERROR_SURROGATEPASS;
-    if (strcmp(errors, "xmlcharrefreplace") == 0)
+    }
+    if (strcmp(errors, "xmlcharrefreplace") == 0) {
         return _Py_ERROR_XMLCHARREFREPLACE;
+    }
     return _Py_ERROR_OTHER;
 }
 
@@ -5636,36 +5643,45 @@ _PyUnicode_EncodeUTF16(PyObject *str,
     if (kind == PyUnicode_4BYTE_KIND) {
         const Py_UCS4 *in = (const Py_UCS4 *)data;
         const Py_UCS4 *end = in + len;
-        while (in < end)
-            if (*in++ >= 0x10000)
+        while (in < end) {
+            if (*in++ >= 0x10000) {
                 pairs++;
+            }
+        }
     }
-    if (len > PY_SSIZE_T_MAX / 2 - pairs - (byteorder == 0))
+    if (len > PY_SSIZE_T_MAX / 2 - pairs - (byteorder == 0)) {
         return PyErr_NoMemory();
+    }
     nsize = len + pairs + (byteorder == 0);
     v = PyBytes_FromStringAndSize(NULL, nsize * 2);
-    if (v == NULL)
+    if (v == NULL) {
         return NULL;
+    }
 
     /* output buffer is 2-bytes aligned */
     assert(_Py_IS_ALIGNED(PyBytes_AS_STRING(v), 2));
     out = (unsigned short *)PyBytes_AS_STRING(v);
-    if (byteorder == 0)
+    if (byteorder == 0) {
         *out++ = 0xFEFF;
-    if (len == 0)
+    }
+    if (len == 0) {
         goto done;
+    }
 
     if (kind == PyUnicode_1BYTE_KIND) {
         ucs1lib_utf16_encode((const Py_UCS1 *)data, len, &out, native_ordering);
         goto done;
     }
 
-    if (byteorder < 0)
+    if (byteorder < 0) {
         encoding = "utf-16-le";
-    else if (byteorder > 0)
+    }
+    else if (byteorder > 0) {
         encoding = "utf-16-be";
-    else
+    }
+    else {
         encoding = "utf-16";
+    }
 
     pos = 0;
     while (pos < len) {