dad460189f
* include/linux/arm/syscall.h, include/linux/x86/syscall.h, include/mes/constants.h: Remove CONSTANTs. * lib/m2/open.c: Move to... * lib/linux/open.c: ...here. Update to make gcc-compatible. * scaffold/argv.kaem: Update accordingly. * lib/linux/lseek.c (_leek, lseek): Suport M2-Planet. * lib/linux/_open3.c (_open3): Fix cast. * lib/linux/waitpid.c (waitpid): Suport M2-Planet. * lib/m2/getcwd.c (PATH_MAX): Remove CONSTANT. * lib/m2/isatty.c (TCGETS): Remove CONSTANT. * lib/mes/ntoab.c: Support M2-Planet. * lib/posix/getcwd.c (__getcwd_buf): Remove. * lib/posix/getenv.c (M2_PTR_SIZE)[__M2__]: Update to #define. * lib/posix/setenv.c: Likewise. * lib/stub/__raise.c (SIGABRT): Remove CONSTANT. * src/core.c (error): Use __M2__ instead of __M2_PLANET__. * src/gc.c (M2_CELL_SIZE)[__M2__]: Update to #define. Support non-bootstrap-mode. * src/symbol.c: Likewise. * src/vector.c: Likewise. * src/posix.c: Likewise. (__raise): Move to... * include/mes/lib-cc.h (__raise): ...this new file to avoid M2-Planet crash. * include/sys/types.h: Include it. * lib/mes/div.c (__raise): Remove prototype. [__TINYC__ || SYSTEM_LIBC] (__raise): Remove macro. * include/mes/lib.h (__raise)[SYSTEM_LIBC]: Remove prototype. * kaem.run: Remove --botstrap-mode. Update source list accordingly. * simple.make (M2_PLANET_FLAGS): Remove --bootstrap-mode. * simple.make (M2_SOURCES, M2_PLANET_INCLUDES): Update source list accordingly. * include/sys/types.h (EOF): Move to... * include/mes/lib-cccc.h (EOF): ...here, and... * include/m2/types.h (EOF): ...here, to avoid M2-Planet crash.
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2016,2017,2018,2019,2022 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <mes/lib.h>
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#include <linux/syscall.h>
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#include <arch/syscall.h>
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#include <stdio.h>
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#include <sys/types.h>
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off_t
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_lseek (int filedes, off_t offset, int whence)
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{
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long long_offset = offset;
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return _sys_call3 (SYS_lseek, filedes, long_offset, whence);
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}
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off_t
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lseek (int filedes, off_t offset, int whence)
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{
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#if !__MESC__ && !__M2__
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if (_lseek (filedes, 0, SEEK_CUR) == -1)
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return -1;
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#endif
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size_t skip = __buffered_read_clear (filedes);
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if (whence == SEEK_CUR)
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offset -= skip;
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long long_offset = offset;
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return _sys_call3 (SYS_lseek, filedes, long_offset, whence);
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}
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