Found by clang:
CC -O2 util/hex-escape.o
util/hex-escape.c:28:21: warning: unused variable 'default_buf_size'
[-Wunused-const-variable]
static const size_t default_buf_size = 1024;
^
1 warning generated.
#include "error_util.h"
#include "hex-escape.h"
#include "error_util.h"
#include "hex-escape.h"
-static const size_t default_buf_size = 1024;
-
static const char *output_charset =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-_@=.,";
static const char *output_charset =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-_@=.,";