Информатика_1 / C / lecture11 / l11_5

/*1*/   /* This programm convert text file from unicode to ANSI text file
/*2*/   with codepage (866, 1251 ....) */
/*3*/      #include <stdio.h>
/*4*/      #include <windows.h>
/*5*/      #include <malloc.h>
/*6*/      void main(int argv,char *argc[] )
/*7*/      {
/*8*/      HANDLE hf1;
/*9*/      FILE *outfile;
/*10*/      DWORD size,sizer;
/*11*/      wchar_t *uni;
/*12*/      char *ansi;
/*13*/     unsigned int codepage;
/*14*/      printf("Unicode to ANSI transformation of text files\n Copyright BVV 2001\n");
/*15*/      if(argv!=4){perror("Error syntax:\n Syntax: unic2ansi infile outfile codepage\n");
/*16*/                           } 
/*17*/   //Open file argc[1] for read only
/*18*/      hf1=CreateFile(argc[1],GENERIC_READ,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
/*19*/      if(hf1==0)perror(strcat("filed open",argc[1]));
/*20*/   // get size of file in bytes
/*21*/      size=GetFileSize((HANDLE)hf1,NULL);
/*22*/      if(size==-1)perror("Error getting file size"); 
/*23*/   //get memory for buffer
/*24*/      uni=malloc(size);
/*25*/   // read file hf1 to buffer uni
/*26*/      if(!ReadFile((HANDLE)hf1,uni,size,&sizer,NULL))perror("Error reading file");
/*27*/   //to proove Is unicode text file?
/*28*/      if(!IsTextUnicode(uni,size,NULL))perror("gm... It is not Unicode Text");
/*29*/   // get memory for buffer ansi for converted text
/*30*/      ansi=malloc(size/2);
/*31*/   // get codepage
/*32*/      codepage=(unsigned int)atoi(argc[3]);
/*33*/   // To convert Unicode text from buffer uni to ANSI text to buffer ansi
/*34*/   // with codepage codepage
/*35*/      WideCharToMultiByte(codepage,0,uni,size/2,ansi,size/2,NULL,NULL);
/*36*/   //write result file 
/*37*/      outfile=fopen(argc[2],"wb");
/*38*/      fwrite(ansi,1,size/2,outfile);
/*39*/      fclose(outfile);
/*40*/      printf("done");
/*41*/      }
/*42*/      
/*43*/