user: implement mlibc as the libc, finally.

It's finally done..

Signed-off-by: kaguya <vpshinomiya@protonmail.com>

user/include/mlibc/options/linux/generic/sys-xattr.cpp

@@ -0,0 +1,122 @@
+#include <errno.h>
+#include <sys/xattr.h>
+
+#include <mlibc/linux-sysdeps.hpp>
+#include <bits/ensure.h>
+
+int setxattr(const char *path, const char *name, const void *val, size_t size,
+		int flags) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_setxattr, -1);
+
+	if (int e = sysdep(path, name, val, size, flags); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int lsetxattr(const char *path, const char *name, const void *val, size_t size,
+		int flags) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_lsetxattr, -1);
+
+	if (int e = sysdep(path, name, val, size, flags); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int fsetxattr(int fd, const char *name, const void *val, size_t size,
+		int flags) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_fsetxattr, -1);
+
+	if (int e = sysdep(fd, name, val, size, flags); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+ssize_t getxattr(const char *path, const char *name, void *val, size_t size) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_getxattr, -1);
+
+	ssize_t nread;
+	if (int e = sysdep(path, name, val, size, &nread); e) {
+		errno = e;
+		return -1;
+	}
+
+	return nread;
+}
+
+ssize_t lgetxattr(const char *path, const char *name, void *val, size_t size) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_lgetxattr, -1);
+
+	ssize_t nread;
+	if (int e = sysdep(path, name, val, size, &nread); e) {
+		errno = e;
+		return -1;
+	}
+
+	return nread;
+}
+
+ssize_t fgetxattr(int fd, const char *name, void *val, size_t size) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_fgetxattr, -1);
+
+	ssize_t nread;
+	if (int e = sysdep(fd, name, val, size, &nread); e) {
+		errno = e;
+		return -1;
+	}
+
+	return nread;
+}
+
+int removexattr(const char *path, const char *name) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_removexattr, -1);
+	return sysdep(path, name);
+}
+
+int lremovexattr(const char *path, const char *name) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_lremovexattr, -1);
+	return sysdep(path, name);
+}
+
+int fremovexattr(int fd, const char *name) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_fremovexattr, -1);
+	return sysdep(fd, name);
+}
+
+ssize_t listxattr(const char *path, char *list, size_t size) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_listxattr, -1);
+
+	ssize_t nread;
+	if (int e = sysdep(path, list, size, &nread); e) {
+		errno = e;
+		return -1;
+	}
+	return nread;
+}
+
+ssize_t llistxattr(const char *path, char *list, size_t size) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_llistxattr, -1);
+
+	ssize_t nread;
+	if (int e = sysdep(path, list, size, &nread); e) {
+		errno = e;
+		return -1;
+	}
+	return nread;
+}
+
+ssize_t flistxattr(int fd, char *list, size_t size) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_flistxattr, -1);
+
+	ssize_t nread;
+	if (int e = sysdep(fd, list, size, &nread); e) {
+		errno = e;
+		return -1;
+	}
+	return nread;
+}