1 files changed, 8 insertions, 1 deletions
diff --git a/src/util.h b/src/util.h
index b6c01aa59..a91addb80 100644
--- a/src/util.h
+++ b/src/util.h
@@ -38,6 +38,13 @@
  * This should be the size of the buffer given to ld2string */
 #define MAX_LONG_DOUBLE_CHARS 5*1024
 
+/* long double to string convertion options */
+typedef enum {
+    LD_STR_AUTO,     /* %.17Lg */
+    LD_STR_HUMAN,    /* %.17Lf + Trimming of trailing zeros */
+    LD_STR_HEX       /* %La */
+} ld2string_mode;
+
 int stringmatchlen(const char *p, int plen, const char *s, int slen, int nocase);
 int stringmatch(const char *p, const char *s, int nocase);
 int stringmatchlen_fuzz_test(void);
@@ -49,7 +56,7 @@ int string2ll(const char *s, size_t slen, long long *value);
 int string2l(const char *s, size_t slen, long *value);
 int string2ld(const char *s, size_t slen, long double *dp);
 int d2string(char *buf, size_t len, double value);
-int ld2string(char *buf, size_t len, long double value, int humanfriendly);
+int ld2string(char *buf, size_t len, long double value, ld2string_mode mode);
 sds getAbsolutePath(char *filename);
 unsigned long getTimeZone(void);
 int pathIsBaseName(char *path);