update esppilight lib

content of the library is not filtered on 433mhz only

lib/ESPiLight/pilight/libs/libuv/unix/procfs-exepath.c

@@ -0,0 +1,45 @@
+/* Copyright libuv project contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <stddef.h>
+#include <unistd.h>
+
+int uv_exepath(char* buffer, size_t* size) {
+  ssize_t n;
+
+  if (buffer == NULL || size == NULL || *size == 0)
+    return -EINVAL;
+
+  n = *size - 1;
+  if (n > 0)
+    n = readlink("/proc/self/exe", buffer, n);
+
+  if (n == -1)
+    return -errno;
+
+  buffer[n] = '\0';
+  *size = n;
+
+  return 0;
+}