2009-07-16 17:39:16 +00:00
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/*
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* Check: a unit test framework for C
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* Copyright (C) 2001, 2002 Arien Malec
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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2016-12-09 09:48:11 +00:00
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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2009-07-16 17:39:16 +00:00
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*/
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2016-12-09 09:48:11 +00:00
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#include "libcompat/libcompat.h"
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2009-07-16 17:39:16 +00:00
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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2014-12-14 11:54:32 +00:00
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#include "internal-check.h"
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2009-07-16 17:39:16 +00:00
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#include "check_error.h"
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#include "check_list.h"
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#include "check_impl.h"
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#include "check_pack.h"
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2014-11-15 11:53:32 +00:00
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#ifndef HAVE_PTHREAD
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2009-10-12 11:50:51 +00:00
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#define pthread_mutex_lock(arg)
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#define pthread_mutex_unlock(arg)
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2014-11-15 11:53:32 +00:00
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#define pthread_cleanup_push(f,a) {
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#define pthread_cleanup_pop(e) }
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2009-10-12 11:50:51 +00:00
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#endif
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2014-11-15 11:53:32 +00:00
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/* Maximum size for one message in the message stream. */
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#define CK_MAX_MSG_SIZE 8192
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/* This is used to implement a sliding window on the receiving
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* side. When sending messages, we assure that no single message
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* is bigger than this (actually we check against CK_MAX_MSG_SIZE/2).
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* The usual size for a message is less than 80 bytes.
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* All this is done instead of the previous approach to allocate (actually
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* continuously reallocate) one big chunk for the whole message stream.
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* Problems were seen in the wild with up to 4 GB reallocations.
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*/
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2009-07-16 17:39:16 +00:00
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/* typedef an unsigned int that has at least 4 bytes */
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typedef uint32_t ck_uint32;
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2009-10-12 11:49:35 +00:00
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static void pack_int (char **buf, int val);
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static int upack_int (char **buf);
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static void pack_str (char **buf, const char *str);
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static char *upack_str (char **buf);
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static int pack_ctx (char **buf, CtxMsg * cmsg);
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static int pack_loc (char **buf, LocMsg * lmsg);
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static int pack_fail (char **buf, FailMsg * fmsg);
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2014-11-15 11:53:32 +00:00
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static int pack_duration (char **buf, DurationMsg * fmsg);
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2009-10-12 11:49:35 +00:00
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static void upack_ctx (char **buf, CtxMsg * cmsg);
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static void upack_loc (char **buf, LocMsg * lmsg);
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static void upack_fail (char **buf, FailMsg * fmsg);
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2014-11-15 11:53:32 +00:00
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static void upack_duration (char **buf, DurationMsg * fmsg);
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2009-10-12 11:49:35 +00:00
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static void check_type (int type, const char *file, int line);
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2009-07-16 17:39:16 +00:00
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static enum ck_msg_type upack_type (char **buf);
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2009-10-12 11:49:35 +00:00
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static void pack_type (char **buf, enum ck_msg_type type);
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2009-07-16 17:39:16 +00:00
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2014-11-15 11:53:32 +00:00
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static int read_buf (FILE * fdes, int size, char *buf);
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2009-10-12 11:49:35 +00:00
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static int get_result (char *buf, RcvMsg * rmsg);
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static void rcvmsg_update_ctx (RcvMsg * rmsg, enum ck_result_ctx ctx);
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static void rcvmsg_update_loc (RcvMsg * rmsg, const char *file, int line);
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2009-07-16 17:39:16 +00:00
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static RcvMsg *rcvmsg_create (void);
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2009-10-12 11:49:35 +00:00
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void rcvmsg_free (RcvMsg * rmsg);
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2009-07-16 17:39:16 +00:00
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2009-10-12 11:49:35 +00:00
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typedef int (*pfun) (char **, CheckMsg *);
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2009-07-16 17:39:16 +00:00
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typedef void (*upfun) (char **, CheckMsg *);
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2009-10-12 11:49:35 +00:00
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static pfun pftab[] = {
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2009-07-16 17:39:16 +00:00
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(pfun) pack_ctx,
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(pfun) pack_fail,
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2014-11-15 11:53:32 +00:00
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(pfun) pack_loc,
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(pfun) pack_duration
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2009-07-16 17:39:16 +00:00
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};
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2009-10-12 11:49:35 +00:00
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static upfun upftab[] = {
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2009-07-16 17:39:16 +00:00
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(upfun) upack_ctx,
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(upfun) upack_fail,
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2014-11-15 11:53:32 +00:00
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(upfun) upack_loc,
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(upfun) upack_duration
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2009-07-16 17:39:16 +00:00
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};
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2009-10-12 11:49:35 +00:00
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int
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pack (enum ck_msg_type type, char **buf, CheckMsg * msg)
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2009-07-16 17:39:16 +00:00
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{
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if (buf == NULL)
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return -1;
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if (msg == NULL)
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return 0;
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check_type (type, __FILE__, __LINE__);
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return pftab[type] (buf, msg);
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}
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2009-10-12 11:49:35 +00:00
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int
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upack (char *buf, CheckMsg * msg, enum ck_msg_type *type)
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2009-07-16 17:39:16 +00:00
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{
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char *obuf;
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if (buf == NULL)
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return -1;
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obuf = buf;
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*type = upack_type (&buf);
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check_type (*type, __FILE__, __LINE__);
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2009-10-12 11:49:35 +00:00
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2009-07-16 17:39:16 +00:00
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upftab[*type] (&buf, msg);
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2014-11-15 11:53:32 +00:00
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return buf - obuf;
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2009-07-16 17:39:16 +00:00
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}
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2009-10-12 11:49:35 +00:00
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static void
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pack_int (char **buf, int val)
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2009-07-16 17:39:16 +00:00
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{
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unsigned char *ubuf = (unsigned char *) *buf;
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ck_uint32 uval = val;
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2014-11-15 11:53:32 +00:00
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ubuf[0] = (unsigned char) ((uval >> 24) & 0xFF);
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ubuf[1] = (unsigned char) ((uval >> 16) & 0xFF);
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ubuf[2] = (unsigned char) ((uval >> 8) & 0xFF);
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ubuf[3] = (unsigned char) (uval & 0xFF);
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2009-07-16 17:39:16 +00:00
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*buf += 4;
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}
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2009-10-12 11:49:35 +00:00
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static int
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upack_int (char **buf)
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2009-07-16 17:39:16 +00:00
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{
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unsigned char *ubuf = (unsigned char *) *buf;
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ck_uint32 uval;
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2014-11-15 11:53:32 +00:00
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uval =
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(ck_uint32) ((ubuf[0] << 24) | (ubuf[1] << 16) | (ubuf[2] << 8) |
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ubuf[3]);
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2009-07-16 17:39:16 +00:00
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*buf += 4;
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return (int) uval;
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}
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2009-10-12 11:49:35 +00:00
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static void
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pack_str (char **buf, const char *val)
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2009-07-16 17:39:16 +00:00
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{
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int strsz;
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if (val == NULL)
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strsz = 0;
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else
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strsz = strlen (val);
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2009-10-12 11:49:35 +00:00
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pack_int (buf, strsz);
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2009-07-16 17:39:16 +00:00
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if (strsz > 0) {
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memcpy (*buf, val, strsz);
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*buf += strsz;
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2009-10-12 11:49:35 +00:00
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}
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2009-07-16 17:39:16 +00:00
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}
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2009-10-12 11:49:35 +00:00
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static char *
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upack_str (char **buf)
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2009-07-16 17:39:16 +00:00
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{
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char *val;
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int strsz;
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strsz = upack_int (buf);
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if (strsz > 0) {
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2014-11-15 11:53:32 +00:00
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val = (char *) emalloc (strsz + 1);
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2009-07-16 17:39:16 +00:00
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memcpy (val, *buf, strsz);
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val[strsz] = 0;
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*buf += strsz;
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} else {
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2014-11-15 11:53:32 +00:00
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val = (char *) emalloc (1);
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2009-07-16 17:39:16 +00:00
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*val = 0;
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}
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return val;
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}
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2009-10-12 11:49:35 +00:00
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static void
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pack_type (char **buf, enum ck_msg_type type)
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2009-07-16 17:39:16 +00:00
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{
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pack_int (buf, (int) type);
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}
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2009-10-12 11:49:35 +00:00
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static enum ck_msg_type
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upack_type (char **buf)
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2009-07-16 17:39:16 +00:00
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{
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return (enum ck_msg_type) upack_int (buf);
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}
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2009-10-12 11:49:35 +00:00
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static int
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pack_ctx (char **buf, CtxMsg * cmsg)
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2009-07-16 17:39:16 +00:00
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{
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char *ptr;
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int len;
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len = 4 + 4;
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2014-11-15 11:53:32 +00:00
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*buf = ptr = (char *) emalloc (len);
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2009-10-12 11:49:35 +00:00
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2009-07-16 17:39:16 +00:00
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pack_type (&ptr, CK_MSG_CTX);
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pack_int (&ptr, (int) cmsg->ctx);
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return len;
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}
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2009-10-12 11:49:35 +00:00
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static void
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upack_ctx (char **buf, CtxMsg * cmsg)
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2009-07-16 17:39:16 +00:00
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{
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2014-11-15 11:53:32 +00:00
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cmsg->ctx = (enum ck_result_ctx) upack_int (buf);
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}
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static int
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pack_duration (char **buf, DurationMsg * cmsg)
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{
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char *ptr;
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int len;
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len = 4 + 4;
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*buf = ptr = (char *) emalloc (len);
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pack_type (&ptr, CK_MSG_DURATION);
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pack_int (&ptr, cmsg->duration);
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return len;
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}
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static void
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upack_duration (char **buf, DurationMsg * cmsg)
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{
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cmsg->duration = upack_int (buf);
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2009-07-16 17:39:16 +00:00
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}
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2009-10-12 11:49:35 +00:00
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static int
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pack_loc (char **buf, LocMsg * lmsg)
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2009-07-16 17:39:16 +00:00
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{
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char *ptr;
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int len;
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len = 4 + 4 + (lmsg->file ? strlen (lmsg->file) : 0) + 4;
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2014-11-15 11:53:32 +00:00
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*buf = ptr = (char *) emalloc (len);
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2009-07-16 17:39:16 +00:00
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pack_type (&ptr, CK_MSG_LOC);
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pack_str (&ptr, lmsg->file);
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pack_int (&ptr, lmsg->line);
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return len;
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}
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2009-10-12 11:49:35 +00:00
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static void
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upack_loc (char **buf, LocMsg * lmsg)
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2009-07-16 17:39:16 +00:00
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{
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lmsg->file = upack_str (buf);
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lmsg->line = upack_int (buf);
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}
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2009-10-12 11:49:35 +00:00
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static int
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pack_fail (char **buf, FailMsg * fmsg)
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2009-07-16 17:39:16 +00:00
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{
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char *ptr;
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int len;
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len = 4 + 4 + (fmsg->msg ? strlen (fmsg->msg) : 0);
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2014-11-15 11:53:32 +00:00
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*buf = ptr = (char *) emalloc (len);
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2009-07-16 17:39:16 +00:00
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pack_type (&ptr, CK_MSG_FAIL);
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pack_str (&ptr, fmsg->msg);
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return len;
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}
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2009-10-12 11:49:35 +00:00
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static void
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upack_fail (char **buf, FailMsg * fmsg)
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2009-07-16 17:39:16 +00:00
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{
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fmsg->msg = upack_str (buf);
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}
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|
2009-10-12 11:49:35 +00:00
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static void
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check_type (int type, const char *file, int line)
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2009-07-16 17:39:16 +00:00
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{
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if (type < 0 || type >= CK_MSG_LAST)
|
2009-10-12 11:50:51 +00:00
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eprintf ("Bad message type arg %d", file, line, type);
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2009-07-16 17:39:16 +00:00
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}
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|
2009-12-17 20:09:48 +00:00
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#ifdef HAVE_PTHREAD
|
2014-11-15 11:53:32 +00:00
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|
static pthread_mutex_t ck_mutex_lock = PTHREAD_MUTEX_INITIALIZER;
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static void
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ppack_cleanup (void *mutex)
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{
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pthread_mutex_unlock ((pthread_mutex_t *) mutex);
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}
|
2009-10-12 11:50:51 +00:00
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#endif
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2009-10-12 11:49:35 +00:00
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void
|
2014-11-15 11:53:32 +00:00
|
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|
ppack (FILE * fdes, enum ck_msg_type type, CheckMsg * msg)
|
2009-07-16 17:39:16 +00:00
|
|
|
{
|
2014-11-15 11:53:32 +00:00
|
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|
char *buf = NULL;
|
2009-07-16 17:39:16 +00:00
|
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|
int n;
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|
ssize_t r;
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|
n = pack (type, &buf, msg);
|
2014-11-15 11:53:32 +00:00
|
|
|
/* Keep it on the safe side to not send too much data. */
|
|
|
|
if (n > (CK_MAX_MSG_SIZE / 2))
|
|
|
|
eprintf ("Message string too long", __FILE__, __LINE__ - 2);
|
|
|
|
|
|
|
|
pthread_cleanup_push (ppack_cleanup, &ck_mutex_lock);
|
|
|
|
pthread_mutex_lock (&ck_mutex_lock);
|
|
|
|
r = fwrite (buf, 1, n, fdes);
|
|
|
|
fflush (fdes);
|
|
|
|
pthread_mutex_unlock (&ck_mutex_lock);
|
|
|
|
pthread_cleanup_pop (0);
|
|
|
|
if (r != n)
|
|
|
|
eprintf ("Error in call to fwrite:", __FILE__, __LINE__ - 2);
|
2009-07-16 17:39:16 +00:00
|
|
|
|
|
|
|
free (buf);
|
|
|
|
}
|
|
|
|
|
2009-10-12 11:49:35 +00:00
|
|
|
static int
|
2014-11-15 11:53:32 +00:00
|
|
|
read_buf (FILE * fdes, int size, char *buf)
|
2009-07-16 17:39:16 +00:00
|
|
|
{
|
|
|
|
int n;
|
2014-11-15 11:53:32 +00:00
|
|
|
|
|
|
|
n = fread (buf, 1, size, fdes);
|
|
|
|
|
|
|
|
if (ferror (fdes)) {
|
|
|
|
eprintf ("Error in call to fread:", __FILE__, __LINE__ - 4);
|
2009-07-16 17:39:16 +00:00
|
|
|
}
|
|
|
|
|
2014-11-15 11:53:32 +00:00
|
|
|
return n;
|
2009-10-12 11:49:35 +00:00
|
|
|
}
|
2009-07-16 17:39:16 +00:00
|
|
|
|
2009-10-12 11:49:35 +00:00
|
|
|
static int
|
|
|
|
get_result (char *buf, RcvMsg * rmsg)
|
2009-07-16 17:39:16 +00:00
|
|
|
{
|
|
|
|
enum ck_msg_type type;
|
|
|
|
CheckMsg msg;
|
|
|
|
int n;
|
|
|
|
|
|
|
|
n = upack (buf, &msg, &type);
|
|
|
|
if (n == -1)
|
|
|
|
eprintf ("Error in call to upack", __FILE__, __LINE__ - 2);
|
2009-10-12 11:49:35 +00:00
|
|
|
|
2009-07-16 17:39:16 +00:00
|
|
|
if (type == CK_MSG_CTX) {
|
2009-10-12 11:49:35 +00:00
|
|
|
CtxMsg *cmsg = (CtxMsg *) & msg;
|
2014-11-15 11:53:32 +00:00
|
|
|
|
2009-07-16 17:39:16 +00:00
|
|
|
rcvmsg_update_ctx (rmsg, cmsg->ctx);
|
|
|
|
} else if (type == CK_MSG_LOC) {
|
2009-10-12 11:49:35 +00:00
|
|
|
LocMsg *lmsg = (LocMsg *) & msg;
|
2014-11-15 11:53:32 +00:00
|
|
|
|
2009-10-12 11:49:35 +00:00
|
|
|
if (rmsg->failctx == CK_CTX_INVALID) {
|
2009-07-16 17:39:16 +00:00
|
|
|
rcvmsg_update_loc (rmsg, lmsg->file, lmsg->line);
|
|
|
|
}
|
|
|
|
free (lmsg->file);
|
2009-10-12 11:49:35 +00:00
|
|
|
} else if (type == CK_MSG_FAIL) {
|
|
|
|
FailMsg *fmsg = (FailMsg *) & msg;
|
2014-11-15 11:53:32 +00:00
|
|
|
|
2009-10-12 11:49:35 +00:00
|
|
|
if (rmsg->msg == NULL) {
|
2014-11-15 11:53:32 +00:00
|
|
|
rmsg->msg = strdup (fmsg->msg);
|
2009-07-16 17:39:16 +00:00
|
|
|
rmsg->failctx = rmsg->lastctx;
|
2009-10-12 11:49:35 +00:00
|
|
|
} else {
|
2009-07-16 17:39:16 +00:00
|
|
|
/* Skip subsequent failure messages, only happens for CK_NOFORK */
|
|
|
|
}
|
|
|
|
free (fmsg->msg);
|
2014-11-15 11:53:32 +00:00
|
|
|
} else if (type == CK_MSG_DURATION) {
|
|
|
|
DurationMsg *cmsg = (DurationMsg *) & msg;
|
|
|
|
|
|
|
|
rmsg->duration = cmsg->duration;
|
2009-07-16 17:39:16 +00:00
|
|
|
} else
|
|
|
|
check_type (type, __FILE__, __LINE__);
|
|
|
|
|
|
|
|
return n;
|
|
|
|
}
|
|
|
|
|
2009-10-12 11:49:35 +00:00
|
|
|
static void
|
|
|
|
reset_rcv_test (RcvMsg * rmsg)
|
2009-07-16 17:39:16 +00:00
|
|
|
{
|
|
|
|
rmsg->test_line = -1;
|
|
|
|
rmsg->test_file = NULL;
|
|
|
|
}
|
|
|
|
|
2009-10-12 11:49:35 +00:00
|
|
|
static void
|
|
|
|
reset_rcv_fixture (RcvMsg * rmsg)
|
2009-07-16 17:39:16 +00:00
|
|
|
{
|
|
|
|
rmsg->fixture_line = -1;
|
|
|
|
rmsg->fixture_file = NULL;
|
|
|
|
}
|
|
|
|
|
2009-10-12 11:49:35 +00:00
|
|
|
static RcvMsg *
|
|
|
|
rcvmsg_create (void)
|
2009-07-16 17:39:16 +00:00
|
|
|
{
|
|
|
|
RcvMsg *rmsg;
|
|
|
|
|
2014-11-15 11:53:32 +00:00
|
|
|
rmsg = (RcvMsg *) emalloc (sizeof (RcvMsg));
|
2009-07-16 17:39:16 +00:00
|
|
|
rmsg->lastctx = CK_CTX_INVALID;
|
|
|
|
rmsg->failctx = CK_CTX_INVALID;
|
|
|
|
rmsg->msg = NULL;
|
2014-11-15 11:53:32 +00:00
|
|
|
rmsg->duration = -1;
|
2009-07-16 17:39:16 +00:00
|
|
|
reset_rcv_test (rmsg);
|
|
|
|
reset_rcv_fixture (rmsg);
|
|
|
|
return rmsg;
|
|
|
|
}
|
|
|
|
|
2009-10-12 11:49:35 +00:00
|
|
|
void
|
|
|
|
rcvmsg_free (RcvMsg * rmsg)
|
2009-07-16 17:39:16 +00:00
|
|
|
{
|
2009-10-12 11:49:35 +00:00
|
|
|
free (rmsg->fixture_file);
|
|
|
|
free (rmsg->test_file);
|
|
|
|
free (rmsg->msg);
|
|
|
|
free (rmsg);
|
2009-07-16 17:39:16 +00:00
|
|
|
}
|
|
|
|
|
2009-10-12 11:49:35 +00:00
|
|
|
static void
|
|
|
|
rcvmsg_update_ctx (RcvMsg * rmsg, enum ck_result_ctx ctx)
|
2009-07-16 17:39:16 +00:00
|
|
|
{
|
2009-10-12 11:49:35 +00:00
|
|
|
if (rmsg->lastctx != CK_CTX_INVALID) {
|
|
|
|
free (rmsg->fixture_file);
|
2009-07-16 17:39:16 +00:00
|
|
|
reset_rcv_fixture (rmsg);
|
|
|
|
}
|
|
|
|
rmsg->lastctx = ctx;
|
|
|
|
}
|
|
|
|
|
2009-10-12 11:49:35 +00:00
|
|
|
static void
|
|
|
|
rcvmsg_update_loc (RcvMsg * rmsg, const char *file, int line)
|
2009-07-16 17:39:16 +00:00
|
|
|
{
|
|
|
|
if (rmsg->lastctx == CK_CTX_TEST) {
|
2009-10-12 11:49:35 +00:00
|
|
|
free (rmsg->test_file);
|
2009-07-16 17:39:16 +00:00
|
|
|
rmsg->test_line = line;
|
2014-11-15 11:53:32 +00:00
|
|
|
rmsg->test_file = strdup (file);
|
2009-07-16 17:39:16 +00:00
|
|
|
} else {
|
2009-10-12 11:49:35 +00:00
|
|
|
free (rmsg->fixture_file);
|
2009-07-16 17:39:16 +00:00
|
|
|
rmsg->fixture_line = line;
|
2014-11-15 11:53:32 +00:00
|
|
|
rmsg->fixture_file = strdup (file);
|
2009-07-16 17:39:16 +00:00
|
|
|
}
|
|
|
|
}
|
2009-10-12 11:49:35 +00:00
|
|
|
|
|
|
|
RcvMsg *
|
2014-11-15 11:53:32 +00:00
|
|
|
punpack (FILE * fdes)
|
2009-07-16 17:39:16 +00:00
|
|
|
{
|
2014-11-15 11:53:32 +00:00
|
|
|
int nread, nparse, n;
|
2009-07-16 17:39:16 +00:00
|
|
|
char *buf;
|
|
|
|
RcvMsg *rmsg;
|
|
|
|
|
|
|
|
rmsg = rcvmsg_create ();
|
2009-10-12 11:49:35 +00:00
|
|
|
|
2019-10-06 15:12:11 +00:00
|
|
|
/* Allocate a buffer */
|
2014-11-15 11:53:32 +00:00
|
|
|
buf = (char *) emalloc (CK_MAX_MSG_SIZE);
|
|
|
|
/* Fill the buffer from the file */
|
|
|
|
nread = read_buf (fdes, CK_MAX_MSG_SIZE, buf);
|
|
|
|
nparse = nread;
|
|
|
|
/* While not all parsed */
|
|
|
|
while (nparse > 0) {
|
|
|
|
/* Parse one message */
|
2009-07-16 17:39:16 +00:00
|
|
|
n = get_result (buf, rmsg);
|
2014-11-15 11:53:32 +00:00
|
|
|
nparse -= n;
|
2016-12-09 09:48:11 +00:00
|
|
|
if (nparse < 0)
|
|
|
|
eprintf ("Error in call to get_result", __FILE__, __LINE__ - 3);
|
2014-11-15 11:53:32 +00:00
|
|
|
/* Move remaining data in buffer to the beginning */
|
|
|
|
memmove (buf, buf + n, nparse);
|
|
|
|
/* If EOF has not been seen */
|
|
|
|
if (nread > 0) {
|
|
|
|
/* Read more data into empty space at end of the buffer */
|
|
|
|
nread = read_buf (fdes, n, buf + nparse);
|
|
|
|
nparse += nread;
|
|
|
|
}
|
2009-07-16 17:39:16 +00:00
|
|
|
}
|
2014-11-15 11:53:32 +00:00
|
|
|
free (buf);
|
2009-07-16 17:39:16 +00:00
|
|
|
|
|
|
|
if (rmsg->lastctx == CK_CTX_INVALID) {
|
|
|
|
free (rmsg);
|
|
|
|
rmsg = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return rmsg;
|
|
|
|
}
|