exchange

commit c92d88d944aaa845adff8cc2b2dad75e5d8e74d4
parent 837fcd515cfc39d1f203e8d0e9ffa7f1144b9a66
Author: Christian Grothoff <christian@grothoff.org>
Date:   Fri,  6 Oct 2017 22:16:28 +0200

check rval from TALER_amount_to_string

Diffstat:
M
src/exchange-tools/taler-exchange-keyup.c
 | 
4
++--

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/exchange-tools/taler-exchange-keyup.c b/src/exchange-tools/taler-exchange-keyup.c
@@ -288,7 +288,6 @@ get_cointype_dir (const struct CoinTypeParams *p)
   struct GNUNET_HashCode hash;
   char *hash_str;
   char *val_str;
-  size_t i;
 
   hash_coin_type (p, &hash);
   hash_str = GNUNET_STRINGS_data_to_string_alloc (&hash,
@@ -298,7 +297,8 @@ get_cointype_dir (const struct CoinTypeParams *p)
   hash_str[HASH_CUTOFF] = 0;
 
   val_str = TALER_amount_to_string (&p->value);
-  for (i = 0; i < strlen (val_str); i++)
+  GNUNET_assert (NULL != val_str);
+  for (size_t i = 0; i < strlen (val_str); i++)
     if ( (':' == val_str[i]) ||
          ('.' == val_str[i]) )
       val_str[i] = '_';