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/**
* util_rec_example - Example program for util_rec
*
* Copyright IBM Corp. 2016, 2017
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
//! [code]
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "lib/util_rec.h"
/*
* Print three records in specified format
*/
static void print_records(const char *format, struct util_rec *rec)
{
static const char * const size_vec[] = {"small", "medium", "large"};
static const char * const name_vec[] = {"zero", "one", "two"};
int i;
printf("###########################################################\n");
printf("# %s\n\n", format);
/* Define fields of record */
util_rec_def(rec, "number", UTIL_REC_ALIGN_LEFT, 6, "Number");
util_rec_def(rec, "name", UTIL_REC_ALIGN_LEFT, 10, "Name");
util_rec_def(rec, "size", UTIL_REC_ALIGN_RIGHT, 15, "Size");
/* Print record header (is a nop for long format) */
util_rec_print_hdr(rec);
for (i = 0; i < 3; i++) {
/* Fill fields of record with values */
util_rec_set(rec, "number", "%d", i);
util_rec_set(rec, "name", name_vec[i]);
util_rec_set(rec, "size", size_vec[i]);
/* Print the record */
util_rec_print(rec);
}
/* Print a separator line (is a nop for long and csv format) */
util_rec_print_separator(rec);
printf("\n");
}
/*
* Print keys for record fields
*/
static void print_fields(struct util_rec *rec)
{
struct util_rec_fld *fld;
int i = 1;
printf("###########################################################\n");
printf("# Keys of record fields\n");
util_rec_iterate(rec, fld) {
printf("Field %d : %s\n", i++, util_rec_fld_get_key(fld));
}
}
/*
* Print records in "wide", "long", and "csv" format
*/
int main(void)
{
struct util_rec *rec;
rec = util_rec_new_wide("-");
print_records("Wide format", rec);
util_rec_free(rec);
rec = util_rec_new_wide("-");
util_rec_set_indent(rec, 4);
print_records("Wide format with indentation", rec);
util_rec_free(rec);
rec = util_rec_new_long("-", ":", "number", 30, 20);
print_records("Long format", rec);
util_rec_free(rec);
rec = util_rec_new_csv(",");
print_records("CSV format", rec);
print_fields(rec);
util_rec_free(rec);
return EXIT_SUCCESS;
}
//! [code]
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