From 3ca853944fcfaad16e603ac19fa45efc0094a24a Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Sun, 19 May 2013 10:36:16 +0000
Subject: [PATCH] parse fractions and use absolute difference in calculation

---
 fs20pcs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs20pcs.c b/fs20pcs.c
index 3f64a41..431004f 100644
--- a/fs20pcs.c
+++ b/fs20pcs.c
@@ -322,7 +322,7 @@ int parse_extension(char *ext)
 		uint8_t low = 0;
 	    	uint8_t i;
 
-		t = strtoul(ext, &ep, 10);
+		t = strtod(ext, &ep);
 		if ((*ep != 's') && (*ep != 'S')) {
 			fprintf(stderr, "Not a valid time in seconds: %s\n", ext);
 			return -1;
@@ -358,7 +358,7 @@ int parse_extension(char *ext)
 			if (i_l > 12)
 				i_l = 12;
 
-			d = l - i_l;
+			d = fabs(l - i_l);
 
 #ifdef DEBUG
 			printf("d: %f\n", d);
-- 
2.39.2