filmtools

commit fdf4f540757312f4e76e5eddbd95f5c2cb9e2691
parent e818b1a505a41603d281dfdaabd683053e824607
Author: Anders Damsgaard <anders@adamsgaard.dk>
Date:   Thu, 16 Jul 2020 22:36:50 +0200

Show number of hours for exposures longer than 60 mins

Diffstat:
M
reciprocity.c
 | 
16
++++++++++------

1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/reciprocity.c b/reciprocity.c
@@ -47,7 +47,7 @@ int
 main(int argc, char **argv)
 {
 	double exponent;
-	int i, min, sec, sec_equiv;
+	int i, hour, min, sec, sec_equiv;
 
 	argv0 = *argv;
 
@@ -73,11 +73,15 @@ main(int argc, char **argv)
 	if (sscanf(argv[2], "%d:%d", &min, &sec) != 2)
 		errx(2, "could not parse time in MM:SS format");
 
-	sec_equiv = pow(min*60 + sec, exponent);
-
-	printf("%d:%02d\n",
-	       (int)(sec_equiv/60.0),
-	       (int)(sec_equiv)%60);
+	sec_equiv = pow(min * 60 + sec, exponent);
+    sec = (int)(sec_equiv) % 60;
+	if ((min = (int)(sec_equiv / 60.0)) >= 60) {
+		hour = (int)(min/60.0);
+		min -= (int)(hour*60.0);
+		printf("%d:%02d:%02d\n", hour, min, sec);
+	} else {
+		printf("%d:%02d\n", min, sec);
+	}
 
 	return 0;
 }