libsysfs: accept sysmlinks to directories instead of real directories

[elogind.git] / udev_libc_wrapper.h

diff --git a/udev_libc_wrapper.h b/udev_libc_wrapper.h
index 2df2f4429dbbc1d8f5ad73069b20df2a5cd4a92e..6f8c8f24c7eb4693792f941c97bcbe1338d7cdf7 100644 (file)
--- a/udev_libc_wrapper.h
+++ b/udev_libc_wrapper.h
@@ -22,7 +22,53 @@
 #ifndef _UDEV_LIBC_WRAPPER_H_
 #define _UDEV_LIBC_WRAPPER_H_
 
+#include <string.h>
+#include <unistd.h>
+#include <linux/types.h>
+
+/* needed for our signal handlers to work */
+#undef asmlinkage
+#ifdef __i386__
+#define asmlinkage     __attribute__((regparm(0)))
+#else
+#define asmlinkage
+#endif
+
+/* headers are broken on some lazy platforms */
+#ifndef __FD_SET
+#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
+#endif
+#ifndef __FD_CLR
+#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
+#endif
+#ifndef __FD_ISSET
+#define __FD_ISSET(d, set) (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
+#endif
+#ifndef __FD_ZERO
+#define __FD_ZERO(set) ((void) memset ((void*) (set), 0, sizeof (fd_set)))
+#endif
+
+/* missing in some lazy distros */
+#ifndef NETLINK_KOBJECT_UEVENT
+#define NETLINK_KOBJECT_UEVENT 15
+#endif
+
+#ifndef SO_RCVBUFFORCE
+#define SO_RCVBUFFORCE 33
+#endif
+
+#ifdef __KLIBC__
+static inline int clearenv(void)
+{
+       environ[0] = NULL;
+       return 0;
+}
+#endif
+
 extern uid_t lookup_user(const char *user);
 extern gid_t lookup_group(const char *group);
 
+extern size_t strlcpy(char *dst, const char *src, size_t size);
+extern size_t strlcat(char *dst, const char *src, size_t size);
+
 #endif /* _UDEV_LIBC_WRAPPER_H_ */