1 files changed, 28 insertions, 0 deletions
diff --git a/include/dnsjit/gen-errno.sh b/include/dnsjit/gen-errno.sh
new file mode 100755
index 0000000..f9a81da
--- /dev/null
+++ b/include/dnsjit/gen-errno.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+includes="/usr/include/errno.h"
+if [ -f /usr/include/sys/errno.h ]; then
+  includes="$includes /usr/include/sys/errno.h"
+fi
+if [ -f /usr/include/asm-generic/errno.h ]; then
+  includes="$includes /usr/include/asm-generic/errno.h"
+fi
+if [ -f /usr/include/asm-generic/errno-base.h ]; then
+  includes="$includes /usr/include/asm-generic/errno-base.h"
+fi
+
+echo 'const char* core_log_errstr(int err)
+{
+    switch (err) {'
+
+egrep -Eh '^#define[	 ]+E\w+[	 ]+[0-9]+' $includes |
+  grep -v ELAST |
+  awk '{print $2}' |
+  sort -u |
+  awk '{print "#ifdef " $1 "\n    case " $1 ":\n        return \"" $1 "\";\n#endif"}'
+
+echo '    default:
+        break;
+    }
+    return "UNKNOWN";
+}'