freeldr/tools/rcopy.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include <stdlib.h>
   4
   5 #if defined (__DJGPP__) || defined (__WIN32__)
   6 #define DOS_PATHS
   7 #else
   8 #define UNIX_PATHS
   9 #endif
  10
  11 char* convert_path(char* origpath)
  12 {
  13    char* newpath;
  14    int i;
  15
  16    newpath = strdup(origpath);
  17
  18    i = 0;
  19    while (newpath[i] != 0)
  20      {
  21 #ifdef UNIX_PATHS
  22         if (newpath[i] == '\\')
  23           {
  24              newpath[i] = '/';
  25           }
  26 #else
  27 #ifdef DOS_PATHS
  28         if (newpath[i] == '/')
  29           {
  30              newpath[i] = '\\';
  31           }
  32 #endif
  33 #endif
  34         i++;
  35      }
  36    return(newpath);
  37 }
  38
  39 #define TRANSFER_SIZE      (65536)
  40
  41 int main(int argc, char* argv[])
  42 {
  43    char* path1;
  44    char* path2;
  45    FILE* in;
  46    FILE* out;
  47    char* buf;
  48    int n_in;
  49    int n_out;
  50
  51    if (argc != 3)
  52      {
  53         fprintf(stderr, "Too many arguments\n");
  54         exit(1);
  55      }
  56
  57    path1 = convert_path(argv[1]);
  58    path2 = convert_path(argv[2]);
  59
  60    in = fopen(path1, "rb");
  61    if (in == NULL)
  62      {
  63         perror("Cannot open input file");
  64         exit(1);
  65      }
  66
  67
  68
  69    out = fopen(path2, "wb");
  70    if (out == NULL)
  71      {
  72         perror("Cannot open output file");
  73         fclose(in);
  74         exit(1);
  75      }
  76
  77    buf = malloc(TRANSFER_SIZE);
  78
  79    while (!feof(in))
  80      {
  81         n_in = fread(buf, 1, TRANSFER_SIZE, in);
  82         n_out = fwrite(buf, 1, n_in, out);
  83         if (n_in != n_out)
  84           {
  85              perror("Failed to write to output file\n");
  86              free(buf);
  87              fclose(in);
  88              fclose(out);
  89              exit(1);
  90           }
  91      }
  92    exit(0);
  93 }