9ecc11ee52
* include/errno.h (EACCES, ENOSPC, ESPIPE): New macro. * include/linux/x86/syscall.h (SYS_setuid, SYS_geteuid, SYS_getegid, SYS_setgid): New macro. * include/linux/x86_64/syscall.h: Likewise. * include/stdint.h (LLONG_MIN, LLONG_MAX, SIZE_MAX): New macro. * include/sys/stat.h (S_ISUID, S_ISGID, S_IXGRP, S_IXOTH, S_IRGRP, S_IROTH, S_IWGRP, S_IWOTH, S_IRWXG, S_IRWXO): New macro. * include/termio.h: New file. * include/unistd.h (_POSIX_VERSION): New macro. * lib/linux/gnu.c (geteuid, getegid, setuid, setgid): New function. * lib/string/memchr.c: New file. * lib/stub/getpwuid.c: New file. * lib/stub/rand.c: New file. * lib/stub/ttyname.c: New file. * include/string.h (memchr): Declare. * include/unistd.h (geteuid, getegid, setuid, setgid): Declare.
35 lines
1 KiB
C
35 lines
1 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
|
|
* GNU Mes --- Maxwell Equations of Software
|
|
* Copyright © 2017,2018 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 <string.h>
|
|
|
|
void *
|
|
memchr (void const *block, int c, size_t size)
|
|
{
|
|
char const *p = block;
|
|
while (size--)
|
|
{
|
|
if (c == *p)
|
|
return p;
|
|
p++;
|
|
}
|
|
return 0;
|
|
}
|