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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <inttypes.h>
#include <stdlib.h>
#include <stdio.h>
#include "ensure_array_size.h"
#include "var_cksum.h"
#include "stream_cksum.h"
static struct cksum_table *
read_table(const char *table_fname, size_t *table_len)
{
struct cksum_table *table = NULL;
FILE *tablefp;
size_t table_size = 0, table_used = 0;
uint32_t cksum_temp;
int code;
if (!(tablefp = fopen(table_fname, "r")))
{
perror("failed to open table file");
*table_len = (size_t) -1;
return NULL;
}
while (fscanf(tablefp, "%08" PRIx32 " %d\n", &cksum_temp, &code) == 2)
{
ENSURE_ARRAY_SIZE(table, table_size, table_used + 1);
table[table_used].code = code;
table[table_used].cksum = cksum_temp;
++table_used;
}
fclose(tablefp);
*table_len = table_used;
return table;
}
int
main(int argc, char *argv[])
{
const char *fname = "example.grb", *table_fname = "example.cksum";
if (argc > 1) fname = argv[1];
if (argc > 2) table_fname = argv[2];
// compute checksums from data file
size_t nvars;
struct cksum_table *file_vars = cksum_stream(fname, &nvars);
if (!file_vars) exit(EXIT_FAILURE);
// check checksums from table file
int retcode;
{
size_t num_ref_entries;
struct cksum_table *ref_var_table = read_table(table_fname, &num_ref_entries);
if (num_ref_entries == (size_t) -1)
{
free(file_vars);
exit(EXIT_FAILURE);
}
retcode = compare_checksums(file_vars, nvars, "file", ref_var_table, num_ref_entries, "reference table");
free(file_vars);
free(ref_var_table);
}
return retcode;
}
/*
* Local Variables:
* c-file-style: "Java"
* c-basic-offset: 2
* indent-tabs-mode: nil
* show-trailing-whitespace: t
* require-trailing-newline: t
* End:
*/
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