Add code formatting infrastructure

.clang-format

@@ -0,0 +1,12 @@
+---
+BasedOnStyle: Microsoft
+AccessModifierOffset: -2
+BreakBeforeBraces: Allman
+ColumnLimit: 100
+IndentWidth: 2
+Language: Cpp
+Standard: Cpp11
+TabWidth: 2
+UseTab: Always
+
+...

.editorconfig

@@ -26,4 +26,5 @@ indent_size = 2
 # C++ source
 [*.c,*.cpp,*.h]
 indent_style = tab
-indent_size = 2
+indent_size = tab
+tab_width = 2

.github/workflows/clang-format.yml

@@ -0,0 +1,14 @@
+name: clang-format
+
+on: [pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: DoozyX/clang-format-lint-action@v0.6
+      with:
+        source: './src'
+        extensions: 'h,cpp,hpp'
+        clangFormatVersion: 9

src/BinIO.cpp

@@ -1,40 +1,40 @@
-#include <cstdio>
 #include "BinIO.h"
+#include <cstdio>
 
-size_t fwrite_big(void *buffer,size_t size,size_t count, FILE *stream)
+size_t fwrite_big(void *buffer, size_t size, size_t count, FILE *stream)
 {
-	const unsigned long long mx=0x80000000;
-	unsigned long long j,n,st;
-	size_t ret=0;
+	const unsigned long long mx = 0x80000000;
+	unsigned long long j, n, st;
+	size_t ret = 0;
 	char *buf2;
 
-	st=mx/((unsigned long long) size);
-	n=count/st;
-	for(j=0;j<n;j++)
-		{
-		buf2=((char *)buffer)+j*st*size;
-		ret+=(fwrite(buf2,size,(size_t) st,stream));
-		}
-	buf2=((char *)buffer)+n*st*size;
-	ret+=(fwrite(buf2,size,(size_t) (count-n*st),stream));
+	st = mx / ((unsigned long long)size);
+	n = count / st;
+	for (j = 0; j < n; j++)
+	{
+		buf2 = ((char *)buffer) + j * st * size;
+		ret += (fwrite(buf2, size, (size_t)st, stream));
+	}
+	buf2 = ((char *)buffer) + n * st * size;
+	ret += (fwrite(buf2, size, (size_t)(count - n * st), stream));
 	return ret;
 }
 
-size_t fread_big(void *buffer,size_t size,size_t count, FILE *stream)
+size_t fread_big(void *buffer, size_t size, size_t count, FILE *stream)
 {
-	const unsigned long long mx=0x80000000;
-	unsigned long long j,n,st;
-	size_t ret=0;
+	const unsigned long long mx = 0x80000000;
+	unsigned long long j, n, st;
+	size_t ret = 0;
 	char *buf2;
 
-	st=mx/((unsigned long long) size);
-	n=count/st;
-	for(j=0;j<n;j++)
-		{
-		buf2=((char *)buffer)+j*st*size;
-		ret+=(fread(buf2,size,(size_t) st,stream));
-		}
-	buf2=((char *)buffer)+n*st*size;
-	ret+=(fread(buf2,size,(size_t) (count-n*st),stream));
+	st = mx / ((unsigned long long)size);
+	n = count / st;
+	for (j = 0; j < n; j++)
+	{
+		buf2 = ((char *)buffer) + j * st * size;
+		ret += (fread(buf2, size, (size_t)st, stream));
+	}
+	buf2 = ((char *)buffer) + n * st * size;
+	ret += (fread(buf2, size, (size_t)(count - n * st), stream));
 	return ret;
 }

src/BinIO.h

@@ -1,2 +1,5 @@
-size_t fwrite_big(void *,size_t ,size_t , FILE *);
-size_t fread_big(void *,size_t ,size_t , FILE *);
+#include <stdio.h>
+#include <stdlib.h>
+
+size_t fwrite_big(void *, size_t, size_t, FILE *);
+size_t fread_big(void *, size_t, size_t, FILE *);