simplify

diff --git a/lib/dns/dnssec.c b/lib/dns/dnssec.c
index b5ed301b94fd5d4f0f1b380d32ac385428a793db..e395a8806de9169eafc2d89f446fa37c0367cecc 100644 (file)
--- a/lib/dns/dnssec.c
+++ b/lib/dns/dnssec.c
@@ -1411,7 +1411,6 @@ dns_dnssec_findmatchingkeys2(dns_name_t *origin, const char *directory,
                             isc_stdtime_t now, isc_mem_t *mctx,
                             dns_dnsseckeylist_t *keylist)
 {
-       const char *digits = "0123456789";
        isc_result_t result = ISC_R_SUCCESS;
        isc_boolean_t dir_open = ISC_FALSE;
        dns_dnsseckeylist_t list;
@@ -1445,11 +1444,10 @@ dns_dnssec_findmatchingkeys2(dns_name_t *origin, const char *directory,
 
                alg = 0;
                for (i = len + 1 + 1; i < dir.entry.length ; i++) {
-                       const char *digit = strchr(digits, dir.entry.name[i]);
-                       if (digit == NULL)
+                       if (dir.entry.name[i] < '0' || dir.entry.name[i] > '9')
                                break;
                        alg *= 10;
-                       alg += (int)(digit - digits);
+                       alg += dir.entry.name[i] - '0';
                }
 
                /*