Subversion Repositories SvarDOS

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Rev Author Line No. Line
349 mateuszvis 1 
/*
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 * translates a binary file to a C include.
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 * used by the SvarCOM build process to embedd rcom inside COMMAND.COM
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 *
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 * Copyright (C) 2021 Mateusz Viste
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 */
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#include <stdio.h>
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432 mateuszvis 10 
 
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static void help(void) {
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  puts("usage: file2c [/c] [/lxxx] infile.dat outfile.c varname");
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  puts("");
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  puts("/c    - define the output array as CONST");
477 mateuszvis 15 
  puts("/s    - define the output array as STATIC");
432 mateuszvis 16 
  puts("/lxxx - enforces the output array to be xxx bytes big");
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}
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349 mateuszvis 20 
int main(int argc, char **argv) {
432 mateuszvis 21 
  char *fnamein = NULL, *fnameout = NULL, *varname = NULL;
477 mateuszvis 22 
  char stortype = 0; /* 'c' = const ; 's' = static */
432 mateuszvis 23 
  char *flag_l = "";
349 mateuszvis 24 
  FILE *fdin, *fdout;
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  unsigned long len;
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  int c;
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432 mateuszvis 28 
  for (c = 1; c < argc; c++) {
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    if ((argv[c][0] == '/') && (argv[c][1] == 'l')) {
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      flag_l = argv[c] + 2;
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      continue;
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    }
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    if ((argv[c][0] == '/') && (argv[c][1] == 'c')) {
477 mateuszvis 34 
      stortype = 'c';
432 mateuszvis 35 
      continue;
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    }
477 mateuszvis 37 
    if ((argv[c][0] == '/') && (argv[c][1] == 's')) {
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      stortype = 's';
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      continue;
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    }
432 mateuszvis 41 
    if (argv[c][0] == '/') {
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      help();
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      return(1);
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    }
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    /* not a switch - so it's either infile, outfile or varname */
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    if (fnamein == NULL) {
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      fnamein = argv[c];
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    } else if (fnameout == NULL) {
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      fnameout = argv[c];
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    } else if (varname == NULL) {
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      varname = argv[c];
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    } else {
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      help();
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      return(1);
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    }
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  }
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  if (varname == NULL) {
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    help();
349 mateuszvis 60 
    return(1);
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  }
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432 mateuszvis 63 
  fdin = fopen(fnamein, "rb");
349 mateuszvis 64 
  if (fdin == NULL) {
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    puts("ERROR: failed to open input file");
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    return(1);
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  }
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432 mateuszvis 69 
  fdout = fopen(fnameout, "wb");
349 mateuszvis 70 
  if (fdout == NULL) {
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    fclose(fdin);
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    puts("ERROR: failed to open output file");
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    return(1);
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  }
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477 mateuszvis 76 
  if (stortype == 'c') fprintf(fdout, "const ");
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  if (stortype == 's') fprintf(fdout, "static ");
432 mateuszvis 78 
  fprintf(fdout, "char %s[%s] = {", varname, flag_l);
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349 mateuszvis 80 
  for (len = 0;; len++) {
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    c = getc(fdin);
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    if (c == EOF) break;
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    if (len > 0) fprintf(fdout, ",");
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    if ((len & 15) == 0) fprintf(fdout, "\r\n");
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    fprintf(fdout, "%3u", c);
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  }
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  fprintf(fdout, "};\r\n");
432 mateuszvis 88 
  fprintf(fdout, "#define %s_len %lu\r\n", varname, len);
349 mateuszvis 89 
 
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  fclose(fdin);
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  fclose(fdout);
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  return(0);
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}