add XXX comment about hex_append being unused.

(only used if HAVE_GLIBC_BACKTRACE, so perhaps ifdef it?)

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/log.c b/lib/log.c
index eb18d38f..2926091f 100644
--- a/lib/log.c
+++ b/lib/log.c
@@ -177,6 +177,10 @@ num_append(char *s, int len, u_long x)
   return str_append(s,len,t);
 }
 
+/*
+ * XXX warning: `hex_append' defined but not used
+ * Apparently this is used only if HAVE_GLIBC_BACKTRACE is defined.
+ */
 static char *
 hex_append(char *s, int len, u_long x)
 {