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mescc: Mes C Library: Support GNU Tar: Add mktime stub, fix localtime stub.

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* include/time.h (mktime): Declare.
* lib/stub/mktime.c: New stub.
* lib/libc+gnu.c: Include it.
* lib/stub/localtime.c (localtime): Return pointer to static struct
tm.  Avoids segfaults.
This commit is contained in:
Jan Nieuwenhuizen 2019-07-15 11:58:21 +02:00
parent b97c59ff21
commit 0d3f1ed2ae
No known key found for this signature in database
GPG key ID: F3C1A0D9C1D65273
4 changed files with 38 additions and 2 deletions
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1
build-aux/configure-lib.sh
View file

@ -275,6 +275,7 @@ lib/stub/getlogin.c
lib/stub/getpwnam.c lib/stub/getpwnam.c
lib/stub/getpwuid.c lib/stub/getpwuid.c
lib/stub/gmtime.c lib/stub/gmtime.c
lib/stub/mktime.c
lib/stub/pclose.c lib/stub/pclose.c
lib/stub/popen.c lib/stub/popen.c
lib/stub/rand.c lib/stub/rand.c

1
include/time.h
View file

@ -59,6 +59,7 @@ struct timespec
int clock_gettime (clockid_t clk_id, struct timespec *tp); int clock_gettime (clockid_t clk_id, struct timespec *tp);
struct tm *localtime (time_t const *timep); struct tm *localtime (time_t const *timep);
struct tm *gmtime (time_t const *time); struct tm *gmtime (time_t const *time);
int mktime (struct tm *broken_time);
int nanosleep (struct timespec const *requested_time, struct timespec const *remaining); int nanosleep (struct timespec const *requested_time, struct timespec const *remaining);
time_t time (time_t * tloc); time_t time (time_t * tloc);

5
lib/stub/localtime.c
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@ -1,6 +1,6 @@
/* -*-comment-start: "//";comment-end:""-*- /* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software * GNU Mes --- Maxwell Equations of Software
* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* *
* This file is part of GNU Mes. * This file is part of GNU Mes.
* *
@ -31,5 +31,6 @@ localtime (time_t const *timep)
eputs ("localtime stub\n"); eputs ("localtime stub\n");
stub = 1; stub = 1;
errno = 0; errno = 0;
return 0; static struct tm zero = { 0 };
return &zero;
} }

33
lib/stub/mktime.c Normal file
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@ -0,0 +1,33 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU Mes 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.
*
* GNU Mes 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include <mes/lib.h>
#include <time.h>
int
mktime (struct tm *broken_time)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("mktime stub\n");
stub = 1;
errno = 0;
return 0;
}