A program written Ben a.k.a DreamVB that I like to share to A small tool to convert text files to RTF files using C programming language.

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My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.My mobile number here in the Philippines is 09173084360. My telephone number at home here in Bacolod City, Negros Occidental Philippines is +63 (034) 4335675.

Here in Bacolod City, Negros Occidental I also accepting computer repair, web development using WordPress, Computer Networking, and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.comMy programming website is http://www.jakerpomperada.blogspot.com

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Program Listing

  A small tool to convert text files to RTF files.

  Author:    Ben a.k.a DreamVB
  Version:   1.0
  Type:      Open Source
  Contact:   dreamvb@outlook.com {for any questions regarding this program}
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define EXIT_IF(cnd) {if((cnd)) perror(NULL); exit(EXIT_FAILURE);}

void process_char(FILE* output, char ch)
    case '\r':
      fputs("\\par", output);
      fputc('\r', output);
    case '\n':
      fputc(ch, output);
    case '\t':
      fputs("\\tab ", output);
    case '\\':
      fputs("\\\\", output);
    case '{':
      fputc('\\', output);
      fputc(ch, output);
    case '}':
      fputc('\\', output);
      fputc(ch, output);
      if ((ch >= 0x20 && (ch <= 0x7F)))
        fputc(ch, output);
        fputs("\\'", output);
        fprintf(output, "%02X", ch);

void process_files(FILE* input, FILE* output)
  int ch;
  while ((ch = fgetc(input)) != EOF)
    process_char(output, ch);

void print_header(FILE* fout, char *font_name, char *font_size)
  fputs("{\\rtf1\\ansi\\deff0\\nouicompat{\\fonttbl{\\f0\\fnil\\fcharset0 ", fout);
  fputs(font_name, fout);
  fputs(";}}\r\n", fout);
  fputs("{\\*\\generator DM TXT2RTF 1.0}\\viewkind4\\uc1 \r\n", fout);
  fputs("\\pard\\", fout);
  fputs("fs", fout);
  fputs(font_size, fout);
  fputs("\\lang2057 ", fout);

void print_footer(FILE* fout)
  fputs("\\par\r\n}\r\n", fout);
  fputc(0, fout);

int main(int argc, char* argv[])
  FILE *fin = NULL;
  FILE *fout = NULL;
  char sFont[30] = "Consolas";
  char sFontsize[10] = "11";

  if (argc < 3)
    printf("Usage: <InFile> <OutFile> [FontName] [FontSize]\n");
    return 0;

  fin = fopen(argv[1], "rb");
  EXIT_IF(fin == NULL);

  fout = fopen(argv[2], "wb");

  if (argc == 4)
    strncpy(sFont, argv[3], sizeof(sFont)-1);

  if (argc == 5)
    strncpy(sFontsize, argv[4], sizeof(sFontsize)-1);

  print_header(fout, sFont, sFontsize);
  process_files(fin, fout);

  return 1;

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