rule-generator: net - whitelist NICs that violate MAC local scheme

[elogind.git] / udev / lib / libudev-util.c

diff --git a/udev/lib/libudev-util.c b/udev/lib/libudev-util.c
index 243a99dce951c6dcd1cff5bbd77d86c0fb1a101f..2b8cda59f6e30cb41b2d6c6bfee3732f5051fe45 100644 (file)
--- a/udev/lib/libudev-util.c
+++ b/udev/lib/libudev-util.c
@@ -461,3 +461,16 @@ void util_set_fd_cloexec(int fd)
                flags |= FD_CLOEXEC;
        fcntl(fd, F_SETFD, flags);
 }
+
+unsigned int util_string_hash32(const char *str)
+{
+       unsigned int hash = 0;
+
+       while (str[0] != '\0') {
+               hash += str[0] << 4;
+               hash += str[0] >> 4;
+               hash *= 11;
+               str++;
+       }
+       return hash;
+}