コミット: 06d49b2c8b74fa86d461c88ed00c006286732b95 - sjisctype (git)

This is a slow ctype library for sjis characters. 高速ではない シフトジス用の ctype 文字類識別ライブラリです。

コミットメタ情報

• リビジョン: 06d49b2c8b74fa86d461c88ed00c006286732b95 (tree)
• 日時: 2014-01-03 14:46:59
• 作者: Joel Matthew Rees <reiisi@user...>
• コミッター: Joel Matthew Rees

ログメッセージ

getting real close to ready for hexdump

変更サマリ

• modified: sjhexdump.c

差分

--- a/sjhexdump.c
+++ b/sjhexdump.c
@@ -21,7 +21,7 @@ char chbuff[ BUFFSIZE ];
 char hexbuff[ BUFFSIZE * 3 ];
 
 
-#define TOHEX( c ) ( (char) ( ( (c) <= 9 ) ? (c) + '0' : (c) + 'A' - 1 ) ) 
+#define TOHEX( c ) ( (char) ( ( (c) <= 9 ) ? (c) + '0' : (c) + 'A' - 10 ) ) 
 
 int formatHexByte( int byte, char * target )
 {
@@ -35,7 +35,7 @@ int formatHexByte( int byte, char * target )
 }
 
 
-int main( void )
+int main( int argc, char * argv[] )
 {
 	FILE * in = stdin;
 	unsigned long address = 0;	/* 4ギガより小さいファイル。 */
@@ -44,6 +44,15 @@ int main( void )
 	int hexcolumn = 0;
 	int ch;
 	
+	if ( argc > 1 )
+	{
+		in = fopen( argv[ 1 ], "rb" );
+		if ( in == NULL )
+		{
+			return EXIT_FAILURE;
+		}
+	}
+	
 	do 
 	{
 		if ( ( ch = fgetc( in ) ) != EOF )
@@ -54,7 +63,10 @@ int main( void )
 		if ( ( column >= columnLimit ) || ( ch == EOF ) )
 		{
 			hexbuff[ hexcolumn ] = chbuff[ column ] = '\0';
-			printf( "0x%08x: %s  %s\n", address, hexbuff, chbuff );
+			printf( "0x%08x: %*s  %*s\n", 
+				address, 
+				-columnLimit * 3, hexbuff, 
+				-columnLimit, chbuff );
 			column = 0;
 			hexcolumn = 0;
 			address += columnLimit;