local_support.c

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#include "kmp.h"
#include <string.h>

int INPUT_SIZE = sizeof(struct bench_args_t);

void run_benchmark( void *vargs ) {
  struct bench_args_t *args = (struct bench_args_t *)vargs;
  kmp( args->pattern, args->input, args->kmpNext, args->n_matches );
}

/* Input format:
%% Section 1
char[PATTERN_SIZE]: pattern
%% Section 2
char[STRING_SIZE]: text
*/

void input_to_data(int fd, void *vdata) {
  struct bench_args_t *data = (struct bench_args_t *)vdata;
  char *p, *s;
  // Zero-out everything.
  memset(vdata,0,sizeof(struct bench_args_t));
  // Load input string
  p = readfile(fd);

  s = find_section_start(p,1);
  parse_string(s, data->pattern, PATTERN_SIZE);

  s = find_section_start(p,2);
  parse_string(s, data->input, STRING_SIZE);
  free(p);
}

void data_to_input(int fd, void *vdata) {
  struct bench_args_t *data = (struct bench_args_t *)vdata;

  write_section_header(fd);
  write_string(fd, data->pattern, PATTERN_SIZE);

  write_section_header(fd);
  write_string(fd, data->input, STRING_SIZE);
}

/* Output format:
%% Section 1
int[1]: number of matches
*/

void output_to_data(int fd, void *vdata) {
  struct bench_args_t *data = (struct bench_args_t *)vdata;
  char *p, *s;
  // Zero-out everything.
  memset(vdata,0,sizeof(struct bench_args_t));
  // Load input string
  p = readfile(fd);

  s = find_section_start(p,1);
  parse_int32_t_array(s, data->n_matches, 1);
  free(p);
}

void data_to_output(int fd, void *vdata) {
  struct bench_args_t *data = (struct bench_args_t *)vdata;

  write_section_header(fd); // No section header
  write_int32_t_array(fd, data->n_matches, 1);
}

int check_data( void *vdata, void *vref ) {
  struct bench_args_t *data = (struct bench_args_t *)vdata;
  struct bench_args_t *ref = (struct bench_args_t *)vref;
  int has_errors = 0;

  has_errors |= (data->n_matches[0] != ref->n_matches[0]);

  // Return true if it's correct.
  return !has_errors;
}