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