?? util.c
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#define _UTIL_C_#include <sys/types.h>#include <sys/socket.h>#include <sys/time.h>#include <sys/stat.h>#include <netinet/in.h>#include <arpa/inet.h>#include <stdio.h>#include <string.h>#include <stdlib.h>#include <unistd.h>#include <dirent.h>#include <netdb.h>#include <errno.h>#include <ctype.h>#include "main.h"#include "util.h"#define min( x,y ) ({typeof(x) __x=(x),__y=(y);(__x < __y) ? __x : __y; })#define max( x,y ) ({typeof(x) __x=(x),__y=(y);(__x < __y) ? __y : __x; })#define IS_2BYTEWORD( _a_ ) ( (char)(0x80) <= (_a_) && (_a_) <= (char)(0xFF) )#define PRIME 211int hashpjw ( char* s ){ char *p; unsigned int h= 0 ,g; for( p = s ; *p ; p ++ ){ h = ( h<< 4 ) + (*p); if( (g = h & 0xf0000000) != 0){ h = h ^ (g>>24); h = h ^ g; } } return h % PRIME;}int getHash ( char* s ){ int i; int h=0; for(i=0;; i++){ if( s[i] == 0 ){ break; } h += s[i]; } return h;}void easyGetTokenFromString( char *src,int count,char*output,int len ){ int i; int counter = 0; if( len <= 0 )return;#define ISSPACETAB( c ) ( (c) == ' ' || (c) == '\t' ) for(i=0;;i++){ if( src[i]=='\0'){ output[0] = '\0'; return; } if( i > 0 && ! ISSPACETAB( src[i-1] ) && ! ISSPACETAB( src[i] ) ){ continue; } if( ! ISSPACETAB( src[i]) ){ counter++; if( counter == count){ int j; for(j=0;j<len-1;j++){ if( src[i+j] == '\0' || ISSPACETAB( src[i+j] ) ){ break; } output[j]=src[i+j]; } output[j]='\0'; return; } } }}void prepareDirectories(char *base){ int i; char dname[1024]; for(i=0;i<256;i++){ int ret; snprintf( dname , sizeof( dname ) , "%s/0x%x", base , i ); ret = mkdir( dname , 0755 ); if( ret <0 && errno != EEXIST ){ log( "mkdir error:%d %s: %s\n", ret ,strerror(errno), dname ); } if( ret == 0 ) log("."); }}void remove_r( char *s ){ int i; for(i=0;;i++){ if(s[i]=='\r')s[i] =0; if( s[i]==0)break; }}void makeDirFilename( char *out , int outlen , char *base , int dirchar , char *child ){ snprintf( out , outlen , "%s/0x%x/%s" , base , dirchar & 0xff , child );}int isFile( char *fn ){ FILE*fp=fopen(fn,"r"); if( fp){ fclose(fp); return 1; } return 0;}int createFile( char *fn , char *line ){ FILE *fp = fopen( fn , "w" ); if( fp== NULL ){ return -1; } else { fprintf( fp , "%s" , line ); fclose(fp); return 0; }}#define BOOL int#define FALSE 0#define TRUE 1typedef struct tagEscapeChar{ char escapechar; char escapedchar;}EscapeChar;static EscapeChar escapeChar[]={ { '\n', 'n' }, { ',', 'c' }, { '|', 'z' }, { '\\', 'y' },};char* makeStringFromEscaped( char* src ){ int i; int srclen = strlen( src ); int searchindex=0; for( i = 0 ; i < srclen ; i ++ ){ // for 2Byte Word if( IS_2BYTEWORD( src[i] ) ){ src[searchindex++] = src[i++]; src[searchindex++] = src[i]; }else{ if( src[i] == '\\' ){ int j; /* 戚及 儂卞墊仁 */ i++; for( j = 0; j<sizeof(escapeChar)/sizeof(escapeChar[0]); j++){ if( escapeChar[j].escapedchar == src[i] ){ /* 戚互巨旦弗□皿平乓仿分 */ src[searchindex++] = escapeChar[j].escapechar; break; } } /* 巨仿□支仃升公及引引戊疋□仄化云仁 */ if(escapeChar[j].escapedchar != src[i]) src[searchindex++] = src[i]; }else{ src[searchindex++] = src[i]; } } } src[searchindex] = '\0'; return src;}char * makeEscapeString( char* src , char* dest, int sizeofdest){ int i; int srclen = strlen( src ); int destindex=0; for( i = 0 ; i < srclen ; i ++ ){ BOOL dirty=FALSE; int j; char escapechar='\0'; if( destindex + 1 >= sizeofdest ) break; if( IS_2BYTEWORD( src[i] ) ){ if( destindex + 2 >= sizeofdest ) break; dest[destindex] = src[i]; dest[destindex+1] = src[i+1]; destindex += 2; i ++; continue; } for( j = 0; j<sizeof(escapeChar)/sizeof(escapeChar[0]); j++){ if( src[i] == escapeChar[j].escapechar ){ dirty=TRUE; escapechar= escapeChar[j].escapedchar; break; } } if( dirty == TRUE ){ if( destindex + 2 < sizeofdest ){ dest[destindex] = '\\'; dest[destindex+1] = escapechar; destindex+=2; dirty=TRUE; continue; /* 戚及 儂卞褡戈 */ }else{ dest[destindex] = '\0'; return dest; } }else{ dest[destindex] = src[i]; destindex++; } } dest[destindex] = '\0'; return dest;}char * makeEscapeString1( char* src , char* dest, int sizeofdest){ int i; int srclen = strlen( src ); int destindex=0; for( i = 0 ; i < srclen ; i ++ ){ BOOL dirty=FALSE; int j; char escapechar='\0'; if( destindex + 1 >= sizeofdest ) /* '\0'坌互簫曰卅中及匹仇仇匹蔽曰 */ break; /* // 蟈剩及ㄠ田奶玄 井升丹井毛民尼永弁 if( IS_2BYTEWORD( src[i] ) ){ // 蟈剩分［公及樺寧反ㄠ田奶玄芴坌卞褡引六月［ // 兇分仄ㄠ田奶玄仄井卅中樺寧反公丹仄卅中 // 公及引引ㄡ田奶玄鱉霜 if( destindex + 2 >= sizeofdest )break; dest[destindex] = src[i]; dest[destindex+1] = src[i+1]; destindex += 2; i ++; continue; } */ for( j = 0; j<sizeof(escapeChar)/sizeof(escapeChar[0]); j++) if( src[i] == escapeChar[j].escapechar ){ dirty=TRUE; escapechar= escapeChar[j].escapedchar; break; } if( dirty == TRUE ){ /* 巨旦弗□皿允月 儂分 */ if( destindex + 2 < sizeofdest ){ /* +2 午中丹及反｝ '\\' 午 'n'及儀分 */ /* 酸曰 儂反蝸坌分 */ dest[destindex] = '\\'; dest[destindex+1] = escapechar; destindex+=2; dirty=TRUE; continue; /* 戚及 儂卞褡戈 */ }else{ /* 酸曰田永白央互尕簫仄化中月 */ dest[destindex] = '\0'; return dest; } }else{ dest[destindex] = src[i]; destindex++; } } dest[destindex] = '\0'; return dest;}#undef BOOL#undef FALSE#undef TRUE/* 贊中strcatsafe［田永白央互丐孔木月樺寧反窒手仄卅中［ */intstrcatsafe( char *dest, int destlen , char *append ){ int dl = strlen( dest); int al = strlen(append); if( (dl + al) >= destlen ){ return -1; } else { strcat( dest, append ); } return 0;}char *chop( char *s ){ int l = strlen(s); if( l >= 1 ){ s[l-1]=0; } return s;}// CoolFish: Family 2001/5/30/*void easyGetTokenFromBuf(char *src, char delim, int count, char *output, int len){ int i; int counter = 0; int wordflag = 0; if( len <= 0 ) return; #define ISSEPARATE( c ) ((c) == delim) for( i=0; ; i++){ if( src[i] == '\0' ){ output[0] = '\0'; return; } if(IS_2BYTEWORD(src[i])){ if( i>0 && wordflag == 1 ){ i++; wordflag = 1; continue; } if( i>0 && !ISSEPARATE(src[i-1]) && !ISSEPARATE(src[i])){ i++; wordflag = 1; continue; } wordflag = 1; }else{ if( i>0 && wordflag ){ wordflag = 0; continue; } if( i>0 && !ISSEPARATE(src[i-1]) && !ISSEPARATE(src[i])){ wordflag = 0; continue; } wordflag = 0; } if( !ISSEPARATE(src[i]) ){ counter++; if( counter == count ){ int j; for ( j=0; j<len-1; j++){ if( IS_2BYTEWORD( src[i+j] ) ){ output[j] = src[i+(j++)]; output[j] = src[i+j]; }else{ if( src[i+j]=='\0' || ISSEPARATE(src[i+j])){ break; } output[j] = src[i+j]; } } output[j] = '\0'; return; } if( wordflag ) i++; if ( i==0) { if( IS_2BYTEWORD(src[i]) ){ wordflag = 1; i++; } else { wordflag = 0; } } } }}*/char* strncpy2( char* dest, const char* src, size_t n ){ if( n > 0 ){ char* d = dest; const char* s = src; int i; for( i=0; i<n ; i++ ){ if( *(s+i) == 0 ){ /* 戊疋□仄云歹勻兇日 NULL 儂毛 木月 */ *(d+i) = '\0'; return dest; } if( *(s+i) & 0x80 ){ *(d+i) = *(s+i); i++; if( i>=n ){ *(d+i-1)='\0'; break; } *(d+i) = *(s+i); }else *(d+i) = *(s+i); } } return dest;}void strncpysafe( char* dest , const size_t n , const char* src ,const int length ){ /* * src 井日 dest 卞 length 戊疋□允月 * strcpy, strncpy 匹反 dest 方曰 戊疋□允月洶互 * 五中凜卞裟少午,丟乒伉陸失弁本旦互粟月. * 仇及楮醒匹反｝strlen( src ) 午 length 及凝今中幻丹 * ( 端卞戊疋□允月洶) 午 dest 及扔奶術毛 屯化｝ * strcpysafe 午 元儀毛允月［ */ int Short; Short = min( strlen( src ) , length ); /* NULL 儂 毛嗶 仄兇 勝 */ if( n < Short + 1 ){ /* * 田永白央互簫曰卅中及匹 n - 1(NULL 儂) * 匹 strncpy 毛裟少 */ strncpy2( dest , src , n-1 ); dest[n-1]='\0'; }else if( n <= 0 ){ return; }else{ /* * 田永白央反蝸坌卞丐月及匹 Short 匹strncpy毛裟少 * 卅云 src 卞反 Short 及贏今 卞 NULL 互卅中及匹｝ * dest 卞反 馨笛仄化云仁［ */ strncpy2( dest , src , Short ); dest[Short]= '\0'; }}void strcpysafe( char* dest ,size_t n ,const char* src ){ /* * src 井日 dest 尺戊疋□允月. * strcpy, strncpy 匹反 dest 方曰 戊疋□允月洶互 * 五中凜卞裟少午,丟乒伉陸失弁本旦互粟月. * 仇木毛 什啃卞, strncpy 互丐月互 strlen( src ) 互 n 方曰 * 五中凜卞反, dest 及 互 NULL 儂午反卅日卅中. * * 仄兇互勻化 dest 及 五今方曰 src 及幻丹互贏中凜卞反 * n-1 匹 strncpy 毛允月. 凝今中凜反公及引引戊疋□允月 * * n 互 及凜反云井仄仁卅月及匹 及凜反 窒手仄卅中［ * */ // Nuke +1 (08/25): Danger if src=0 if (!src) { *dest = '\0'; return; } if( n <= 0 ) /* 窒手仄卅中 */ return; /* 仇及凜鰾匹｝ n >= 1 動曉互瑁爛 */ /* NULL 儂毛嗶 仄化 勝允月 */ else if( n < strlen( src ) + 1 ){ /* * 田永白央互簫曰卅中及匹 n - 1(NULL 儂) * 匹 strncpy 毛裟少 */ strncpy2( dest , src , n-1 ); dest[n-1]='\0'; }else strcpy( dest , src );}char * ScanOneByte( char *src, char delim ){ // Nuke if (!src) return NULL; // 儂 互卅仁卅月引匹腹綢 for( ;src[0] != '\0'; src ++ ){ if( IS_2BYTEWORD( src[0] ) ){ // 蟈剩分［公及樺寧反ㄠ田奶玄芴坌卞褡引六月［ // 兇分仄ㄠ田奶玄仄井卅中樺寧反公丹仄卅中 if( src[1] != 0 ){ src ++; } continue; } // 剩分勻兇［仇仇匹覆擂及 儂午 勝 if( src[0] == delim ){ return src; } } // 伙□皿 仃兇日葦勾井日卅井勻兇［ return NULL;}int easyGetTokenFromBuf( char* src ,char* delim ,int count, char* output , int len ){//ttom this function all change,copy from the second int i; /* 伙□皿 醒 */ int length =0; /* 潸曰請仄兇 儂 及贏今 */ int addlen=0; /* 簫今木月贏今 */ int oneByteMode = 0; /* ㄠ田奶玄乒□玉井＂ */ if( strlen( delim ) == 1 ){ // 腹綢互ㄠ田奶玄卅日ㄠ田奶玄乒□玉卞允月 oneByteMode = 1;// 公及端ㄡ田奶玄 儂反民尼永弁仄卅中 } for( i = 0 ; i < count ; i ++ ){ char* last; src += addlen;/* 心勾井勻兇贏今毛簫允 */ if( oneByteMode ){ // ㄠ田奶玄乒□玉分勻兇日仇切日匹腹綢 last = ScanOneByte( src, delim[0] ); }else{ last = strstr( src , delim ); /* 葦尥仃月 */ } if( last == NULL ){ /* * 心勾井日卅井勻兇及匹允屯化戊疋□仄化 return［ */ strcpysafe( output , len, src ); if( i == count - 1 ) /*切斤丹升心勾井勻兇*/ return 1; /*心勾井日卅井勻兇*/ return 0; } /* * 心勾井勻兇赭午 賡及匏 及犒毛菲戶月 * 勾引曰嗉濠日木化中月 儂 及贏今 */ length = last - src; /* * 戚及伙□皿及啃卞心勾井勻兇贏今午 delim 及贏今毛簫仄化云仁 */ addlen= length + strlen( delim ); } strncpysafe( output, len , src,length ); return 1;}?? 快捷鍵說明
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