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。
| Révision | 7ee41ca246cb6a1028b6e02f416708e5861ce91a (tree) |
|---|---|
| l'heure | 2014-01-03 14:48:47 |
| Auteur | Joel Matthew Rees <reiisi@user...> |
| Commiter | Joel Matthew Rees |
Now we have some shift JIS hexdump
sjhexdump.c (diff)| @@ -11,6 +11,9 @@ | ||
| 11 | 11 | #include <ctype.h> |
| 12 | 12 | |
| 13 | 13 | |
| 14 | +#include "slowsjctype.h" | |
| 15 | + | |
| 16 | + | |
| 14 | 17 | #define DEFAULTWIDTH 16 |
| 15 | 18 | |
| 16 | 19 | #define READSIZE 128 |
| @@ -25,11 +28,11 @@ char hexbuff[ BUFFSIZE * 3 ]; | ||
| 25 | 28 | |
| 26 | 29 | int formatHexByte( int byte, char * target ) |
| 27 | 30 | { |
| 28 | - char out = (char) ( ( byte & 0xf0 ) >> 4 ); | |
| 31 | + char outch = (char) ( ( byte & 0xf0 ) >> 4 ); | |
| 29 | 32 | |
| 30 | - * target++ = TOHEX( out ); | |
| 31 | - out = (char) ( byte & 0x0f ); | |
| 32 | - * target++ = TOHEX( out ); | |
| 33 | + * target++ = TOHEX( outch ); | |
| 34 | + outch = (char) ( byte & 0x0f ); | |
| 35 | + * target++ = TOHEX( outch ); | |
| 33 | 36 | * target++ = ' '; |
| 34 | 37 | return 3; |
| 35 | 38 | } |
| @@ -42,6 +45,7 @@ int main( int argc, char * argv[] ) | ||
| 42 | 45 | int column = 0; |
| 43 | 46 | int columnLimit = DEFAULTWIDTH; |
| 44 | 47 | int hexcolumn = 0; |
| 48 | + int offset = 0; | |
| 45 | 49 | int ch; |
| 46 | 50 | |
| 47 | 51 | if ( argc > 1 ) |
| @@ -56,13 +60,36 @@ int main( int argc, char * argv[] ) | ||
| 56 | 60 | do |
| 57 | 61 | { |
| 58 | 62 | if ( ( ch = fgetc( in ) ) != EOF ) |
| 59 | - { hexcolumn += formatHexByte( ch, hexbuff + hexcolumn ); | |
| 60 | - chbuff[ column ] = (char) ( isprint( ch ) ? ch : '.' ); | |
| 61 | - ++column; | |
| 63 | + { | |
| 64 | + hexcolumn += formatHexByte( ch, hexbuff + hexcolumn ); | |
| 65 | + chbuff[ column++ ] = (char) ch; | |
| 62 | 66 | } |
| 63 | 67 | if ( ( column >= columnLimit ) || ( ch == EOF ) ) |
| 64 | 68 | { |
| 65 | - hexbuff[ hexcolumn ] = chbuff[ column ] = '\0'; | |
| 69 | + int scan; | |
| 70 | + hexbuff[ hexcolumn ] = '\0'; /* 念のため、ここ */ | |
| 71 | + chbuff[ column ] = '\0'; | |
| 72 | + /* 表示のための置き換え */ | |
| 73 | + for ( scan = offset; scan < columnLimit; ++scan ) | |
| 74 | + { | |
| 75 | + if ( slowsjIsPOneByte( &chbuff[ scan ] ) ) | |
| 76 | + { | |
| 77 | + if ( !isprint( chbuff[ scan ] ) ) | |
| 78 | + { | |
| 79 | + chbuff[ scan ] = '.'; | |
| 80 | + } | |
| 81 | + } | |
| 82 | + else if ( slowsjIsP2Byte( &chbuff[ scan ] ) ) | |
| 83 | + { | |
| 84 | + ++scan; | |
| 85 | + } | |
| 86 | + else | |
| 87 | + { | |
| 88 | + chbuff[ scan ] = '.'; | |
| 89 | + } | |
| 90 | + } | |
| 91 | + /* 最後のバイトがしつこい。 */ | |
| 92 | + /* 置き換え完了 */ | |
| 66 | 93 | printf( "0x%08x: %*s %*s\n", |
| 67 | 94 | address, |
| 68 | 95 | -columnLimit * 3, hexbuff, |
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