1 files changed, 16 insertions, 0 deletions
diff --git a/src/mdevd/mdevd_uevent_getvar.c b/src/mdevd/mdevd_uevent_getvar.c
new file mode 100644
index 0000000..8eb8583
--- /dev/null
+++ b/src/mdevd/mdevd_uevent_getvar.c
@@ -0,0 +1,16 @@
+/* ISC license. */
+
+#include <string.h>
+
+#include "mdevd-internal.h"
+
+char *mdevd_uevent_getvar (struct uevent_s *event, char const *var)
+{
+  size_t varlen = strlen(var) ;
+  unsigned short i = 1 ;
+  for (; i < event->varn ; i++)
+    if (!strncmp(var, event->buf + event->vars[i], varlen) && event->buf[event->vars[i] + varlen] == '=')
+      break ;
+  return i < event->varn ? event->buf + event->vars[i] + varlen + 1 : 0 ;
+}
+