* lib/linux/gnu.c (readlink, symlink): New function.
* include/unistd.h (readlink, symlink): Declare.
* include/linux/x86/syscall.h (SYS_readlink, SYS_symlink): New macro.
* include/linux/x86_64/syscall.h (SYS_symlink, SYS_readlink): New
macro.
lib/linux/mkdir.c
lib/linux/nanosleep.c
lib/linux/pipe.c
+lib/linux/readlink.c
lib/linux/rename.c
lib/linux/setgid.c
lib/linux/settimer.c
lib/linux/setuid.c
lib/linux/signal.c
lib/linux/sigprogmask.c
+lib/linux/symlink.c
"
fi
// make+POSIX
#define SYS_sigprocmask 0x7e
+// tar
+#define SYS_symlink 0x53
+#define SYS_readlink 0x55
+
#endif // __MES_LINUX_X86_SYSCALL_H
// make+SYSTEM_LIBC
#define SYS_rt_sigprocmask 0x0e
+// tar
+#define SYS_symlink 0x58
+#define SYS_readlink 0x59
+
#endif // __MES_LINUX_X86_64_SYSCALL_H
pid_t getpid (void);
pid_t getppid (void);
int isatty (int fd);
-int link (char const *oldname, char const *newname);
+int link (char const *old_name, char const *new_name);
off_t lseek (int fd, off_t offset, int whence);
ssize_t read (int fd, void *buffer, size_t size);
+ssize_t readlink (char const *file_name, char *buffer, size_t size);
#if __SBRK_CHAR_PTRDIFF
/* xmalloc in binutils <= 2.10.1 uses this old prototype */
char *sbrk (ptrdiff_t delta);
#else
void *sbrk (intptr_t delta);
#endif
+int symlink (char const *old_name, char const *new_name);
int unlink (char const *file_name);
ssize_t write (int filedes, void const *buffer, size_t size);
pid_t getpid (void);
--- /dev/null
+/* -*-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 <linux/syscall.h>
+#include <syscall.h>
+#include <sys/stat.h>
+
+ssize_t
+readlink (char const *file_name, char *buffer, size_t size)
+{
+ return _sys_call3 (SYS_readlink, (long) file_name, (long) buffer, (long) size);
+}
--- /dev/null
+/* -*-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 <linux/syscall.h>
+#include <syscall.h>
+#include <unistd.h>
+
+int
+symlink (char const *old_name, char const *new_name)
+{
+ return _sys_call2 (SYS_symlink, (long) old_name, (long) new_name);
+}