bin/tests/sym_test.c

/*
 * Copyright (C) 1998-2001, 2004, 2005, 2007, 2015, 2016  Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

/* $Id: sym_test.c,v 1.28 2007/06/19 23:46:59 tbox Exp $ */

#include <config.h>

#include <string.h>

#include <isc/commandline.h>
#include <isc/mem.h>
#include <isc/print.h>
#include <isc/symtab.h>
#include <isc/util.h>

isc_mem_t *mctx;
isc_symtab_t *st;

static void
undefine_action(char *key, unsigned int type, isc_symvalue_t value, void *arg)
{
    UNUSED(arg);

    INSIST(type == 1);
    isc_mem_free(mctx, key);
    isc_mem_free(mctx, value.as_pointer);
}

int
main(int argc, char *argv[]) {
    char s[1000], *cp, *key;
    size_t len;
    isc_result_t result;
    isc_symvalue_t value;
    int trace = 0;
    int c;
    isc_symexists_t exists_policy = isc_symexists_reject;
    isc_boolean_t case_sensitive = ISC_FALSE;

    while ((c = isc_commandline_parse(argc, argv, "tarc")) != -1) {
        switch (c) {
        case 't':
            trace = 1;
            break;
        case 'a':
            exists_policy = isc_symexists_add;
            break;
        case 'r':
            exists_policy = isc_symexists_replace;
            break;
        case 'c':
            case_sensitive = ISC_TRUE;
            break;
        }
    }

    RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
    RUNTIME_CHECK(isc_symtab_create(mctx, 691, undefine_action, NULL,
                    case_sensitive, &st) == ISC_R_SUCCESS);

    while (fgets(s, sizeof(s), stdin) != NULL) {
        len = strlen(s);
        if (len > 0U && s[len - 1] == '\n') {
            s[len - 1] = '\0';
            len--;
        }

        cp = s;

        if (cp[0] == '!') {
            cp++;
            result = isc_symtab_undefine(st, cp, 1);
            if (trace || result != ISC_R_SUCCESS)
                printf("undefine('%s'): %s\n", cp,
                       isc_result_totext(result));
        } else {
            key = cp;
            while (*cp != '\0' && *cp != ' ' && *cp != '\t')
                cp++;
            if (*cp == '\0') {
                result = isc_symtab_lookup(st, key, 0, &value);
                if (trace || result != ISC_R_SUCCESS) {
                    printf("lookup('%s'): %s", key,
                           isc_result_totext(result));
                    if (result == ISC_R_SUCCESS) {
                        cp = value.as_pointer;
                        printf(", value == '%s'", cp);
                    }
                    printf("\n");
                }
            } else {
                *cp++ = '\0';
                key = isc_mem_strdup(mctx, key);
                value.as_pointer = isc_mem_strdup(mctx, cp);
                result = isc_symtab_define(st, key, 1, value,
                               exists_policy);
                if (trace || result != ISC_R_SUCCESS) {
                    printf("define('%s', '%s'): %s\n",
                           key, cp,
                           isc_result_totext(result));
                    if (result != ISC_R_SUCCESS)
                        undefine_action(key, 1,
                            value, NULL);
                }
            }
        }
    }

    isc_symtab_destroy(&st);
    isc_mem_stats(mctx, stdout);
    isc_mem_destroy(&mctx);

    return (0);
}