benchmarks/json/scripts/c_parser.c

   1 #include "ujdecode.c"
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <sys/stat.h>
   5 #include <sys/types.h>
   6 #include <fcntl.h>
   7 #include <unistd.h>
   8 #include <assert.h>
   9
  10 // Gets the byte size of a file
  11 int file_byte_size(char* path)
  12 {
  13         int f = open(path, O_RDONLY);
  14         if(f == -1)
  15                 return -1;
  16         struct stat s;
  17         int ln = 0;
  18         if(!fstat(f, &s))
  19                 ln = s.st_size;
  20         close(f);
  21         return ln;
  22 }
  23
  24 int main(int argc, char** argv)
  25 {
  26         if(argc == 1) {
  27                 printf("Usage: ./c_parser file\n");
  28                 exit(1);
  29         }
  30
  31         int fl_sz = file_byte_size(argv[1]);
  32         char* input = malloc(fl_sz);
  33
  34         FILE* ifl = fopen(argv[1], "r");
  35         if(ifl == NULL) {
  36                 printf("Error: cannot read file %s, are you sure permissions are set correctly ?\n", argv[1]);
  37                 exit(2);
  38         }
  39         int rd = fread(input, 1, fl_sz, ifl);
  40         assert(rd == fl_sz);
  41
  42         void *state;
  43
  44         UJObject obj = UJDecode(input, fl_sz, NULL, &state);
  45
  46         free(input);
  47         UJFree(state);
  48 }