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- /*
- * Copyright 2021
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * These are the four essential freedoms with GNU GPL software:
- * 1: freedom to run the program, for any purpose
- * 2: freedom to study how the program works, and change it to make it do what you wish
- * 3: freedom to redistribute copies to help your Free Software friends
- * 4: freedom to distribute copies of your modified versions to your Free Software friends
- * , ,
- * / \
- * ((__-^^-,-^^-__))
- * `-_---' `---_-'
- * `--|o` 'o|--'
- * \ ` /
- * ): :(
- * :o_o:
- * "-"
- *
- * SPDX-License-Identifier: GPL-3.0+
- * License-Filename: LICENSE
- */
- /* parse bgv graph data generated by graalvm and other software from oracle */
- #include "config.h"
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <zlib.h>
- #include "splay-tree.h"
- #include "main.h"
- #include "bgv.h"
- #include "bgvparser.h"
- #include "dpmem.h"
- static gzFile cf = (gzFile) 0;
- static int db = 0;
- static int magic(void);
- /* parse bgv file return 0 if oke */
- int runbgvparse(gzFile f, int debug)
- {
- int status = 0;
- db = debug;
- cf = f;
- status = magic();
- if (status) {
- return (1);
- }
- db = 0;
- cf = (gzFile) 0;
- return (0);
- }
- /* the magic is BIGV */
- static int magic(void)
- {
- int ch = 0;
- ch = gzgetc(cf);
- if (ch != 'B') {
- return (1);
- }
- ch = gzgetc(cf);
- if (ch != 'I') {
- return (1);
- }
- ch = gzgetc(cf);
- if (ch != 'G') {
- return (1);
- }
- ch = gzgetc(cf);
- if (ch != 'V') {
- return (1);
- }
- if (db) {
- printf("%s(): magic BIGV found\n", __func__);
- }
- return (0);
- }
- /* end. */
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