1 /* 2 * Copyright (C) 2016 Jo-Philipp Wich <jo@mein.io> 3 * 4 * Zlib decrompression utility routines. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19 */ 20 21 #include <stdio.h> 22 #include <signal.h> 23 #include <pthread.h> 24 25 struct gzip_handle { 26 FILE *file; 27 struct gzip_handle *gzip; 28 29 pid_t pid; 30 int rfd, wfd; 31 struct sigaction pipe_sa; 32 pthread_t thread; 33 }; 34 35 int gzip_exec(struct gzip_handle *zh, const char *filename); 36 ssize_t gzip_read(struct gzip_handle *zh, void *buf, ssize_t len); 37 ssize_t gzip_copy(struct gzip_handle *zh, FILE * out, ssize_t len); 38 int gzip_close(struct gzip_handle *zh); 39 FILE *gzip_fdopen(struct gzip_handle *zh, const char *filename); 40 41 #define gzip_seek(zh, len) gzip_copy(zh, NULL, len) 42
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