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commit    50c5770ecdafba7f63c80fa3268467e7df129497
Author:   Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date:     Mon Jan 13 13:42:35 2014 +0000

    Fix calculation of ISMN check digit.
    
    This has always been broken, so back-patch to all supported versions.
    
    Fabien COELHO


 contrib/isn/isn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/isn/isn.c b/contrib/isn/isn.c
index 3db6b84bb8d..c4e2333a9a9 100644
--- a/contrib/isn/isn.c
+++ b/contrib/isn/isn.c
@@ -827,7 +827,7 @@ string2ean(const char *str, bool errorOK, ean13 *result,
 		case ISMN:
 			strncpy(buf, "9790", 4);	/* this isn't for sure yet, for now
 										 * ISMN it's only 9790 */
-			valid = (valid && ((rcheck = checkdig(buf + 3, 10)) == check || magic));
+			valid = (valid && ((rcheck = checkdig(buf, 13)) == check || magic));
 			break;
 		case ISBN:
 			strncpy(buf, "978", 3);


[parent: 370178172f94]