任意二进制文件和十六进制相互转化工具

/*========================================================*//*RainLeaf 文件转化工具 [版本 1.0]/n(C) 版权所有 2008-2009 R.L Studio.功能：将一个文件转化为十六进制文件，或者将一个十六进制文件转化为二进制文件条件：输入文件必须存在方法：CONVERTFILE [-h | -f]CONVERTFILE -h :将输入二进制文件转化为十六进制文件CONVERTFILE -f :将输入十六进制文件转化为二进制文件------------------------------------------------------------Compiler:Visual C++ 6.0*/#include <stdio.h>#include <stdlib.h>#include <string.h>char GetIndex(char sour);int HexToFile();int FileToHex();int IsHex(char sour);/*========================================================*//*主函数*/int main(int argc,char **argv){char ch[30];if(argc < 2 || argc > 2){printf("RainLeaf 文件转化工具 [版本 1.0]/n(C) 版权所有 2008-2009 R.L Studio./n/n");printf("功能：将一个文件转化为十六进制文件，或者将一个十六进制文件转化为二进制文件/n");printf("条件：输入文件必须存在/n");printf("方法：CONVERTFILE [-h | -f]/n/n");printf("CONVERTFILE -h :将输入二进制文件转化为十六进制文件/n");printf("CONVERTFILE -f :将输入十六进制文件转化为二进制文件/n/n");return 0;}strcpy(ch,argv[argc-1]);switch (ch[1]){case 'h':;case 'H':FileToHex();break;case 'f':;case 'F':HexToFile();break;default:printf("输入参数错误，请直接输入命令查看帮助./n");break;}return 0;}/*========================================================*//*功能：二进制文件转化位十六进制文件参数：无返回：成功：0；失败：-1*/int FileToHex(){FILE *input;FILE *output;char infile[30],outfile[30];unsigned char temp;char high,low;printf("输入文件名:");gets(infile);printf("输出文件名:");gets(outfile);if((input = fopen(infile,"rb")) == NULL || (output = fopen(outfile,"w")) == NULL){return -1;}temp = fgetc(input);while(!feof(input)){low = temp & 0x0F;high = temp >> 4;fprintf(output,"%x%x",high,low);temp = fgetc(input);}printf("二进制文件%s成功转化位十六进制文件%s.",infile,outfile);fclose(input);fclose(output);return 0;}/*========================================================*//*功能：十六进制文件转化位二进制文件参数：无返回：成功：0；失败：-1*/int HexToFile(){FILE *input;FILE *output;FILE *Temp;char infile[30],outfile[30];unsigned char temp;unsigned char high,low;printf("输入文件名:");gets(infile);printf("输出文件名:");gets(outfile);if((input = fopen(infile,"r")) == NULL || (Temp = fopen("$$","w")) == NULL){return -1;}/* 过滤源十六进制文件 */temp = fgetc(input);while(!feof(input)){if(IsHex(temp)){fputc(temp,Temp);temp = fgetc(input);}elsetemp = fgetc(input);}fclose(input);fclose(Temp);if((input = fopen("$$","r")) == NULL || (output = fopen(outfile,"wb")) == NULL){return -1;}high = fgetc(input);low = fgetc(input);while(!feof(input)){high = GetIndex(high);low = GetIndex(low);if(high == -1 || low == -1)return -1;high = high << 4;temp = high | low;fputc(temp,output);high = fgetc(input);low = fgetc(input);}printf("十六进制文件%s成功转化位二进制文件%s.",infile,outfile);fclose(input);fclose(output);/* 删除临时文件 */remove("$$");return 0;}/*========================================================*//*功能：取得传入字符的索引值，也就是对应的二进制参数：字符(0~f)返回：成功：0~15；失败：-1*/char GetIndex(char sour){int i;unsigned char *hex = "0123456789";for(i = 0;i < strlen(hex);i++)if(hex[i] == sour)return i;i = (sour == 'a'||sour == 'A')?10:((sour == 'b'||sour == 'B')?11:((sour == 'c'||sour == 'C')?12:((sour == 'd'||sour == 'D')?13:((sour == 'e'||sour == 'E')?14:((sour == 'f'||sour == 'F')?15:-1)))));return i;}/*========================================================*//*功能：判断字符是否是十六进制合法字符参数：字符(0~f)返回：成功：1~16；失败：0*/int IsHex(char sour){int i;unsigned char *hex = "0123456789";for(i = 0;i < strlen(hex);i++)if(hex[i] == sour)return i+1;i = (sour == 'a'||sour == 'A')?10:((sour == 'b'||sour == 'B')?11:((sour == 'c'||sour == 'C')?12:((sour == 'd'||sour == 'D')?13:((sour == 'e'||sour == 'E')?14:((sour == 'f'||sour == 'F')?15:-1)))));return (i+1);}