diff options
Diffstat (limited to 'src/util')
| -rw-r--r-- | src/util/config.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/util/config.c b/src/util/config.c index f5accaad8..9a32ec3e8 100644 --- a/src/util/config.c +++ b/src/util/config.c @@ -438,12 +438,18 @@ TALER_check_currency_scale_map (const json_t *map) enum GNUNET_GenericReturnValue TALER_CONFIG_parse_currencies (const struct GNUNET_CONFIGURATION_Handle *cfg, + const char *main_currency, unsigned int *num_currencies, struct TALER_CurrencySpecification **cspecs) { struct CurrencyParserContext cpc = { .cfg = cfg }; + static struct TALER_CurrencySpecification defspec = { + .num_fractional_input_digits = 2, + .num_fractional_normal_digits = 2, + .num_fractional_trailing_zero_digits = 2 + }; GNUNET_CONFIGURATION_iterate_sections (cfg, &parse_currencies_cb, @@ -455,6 +461,47 @@ TALER_CONFIG_parse_currencies (const struct GNUNET_CONFIGURATION_Handle *cfg, 0); return GNUNET_SYSERR; } + /* Make sure that there is some sane fallback for the main currency */ + if (NULL != main_currency) + { + struct TALER_CurrencySpecification *mspec = NULL; + for (unsigned int i = 0; i<cpc.num_currencies; i++) + { + struct TALER_CurrencySpecification *cspec; + + cspec = &cpc.cspecs[i]; + if (0 == strcmp (main_currency, + cspec->currency)) + { + mspec = cspec; + break; + } + } + if (NULL == mspec) + { + GNUNET_log (GNUNET_ERROR_TYPE_WARNING, + "Lacking enabled currency specification for main currency %s, using fallback currency specification.\n", + main_currency); + if (cpc.len_cspecs == cpc.num_currencies) + { + GNUNET_array_grow (cpc.cspecs, + cpc.len_cspecs, + cpc.len_cspecs + 1); + } + mspec = &cpc.cspecs[cpc.num_currencies++]; + *mspec = defspec; + GNUNET_assert (strlen (main_currency) < TALER_CURRENCY_LEN); + strcpy (mspec->currency, + main_currency); + mspec->map_alt_unit_names + = GNUNET_JSON_PACK ( + GNUNET_JSON_pack_string ("0", + main_currency) + ); + mspec->name = GNUNET_strdup (main_currency); + } + } + /* cspecs might've been overgrown, grow back to minimum size */ GNUNET_array_grow (cpc.cspecs, cpc.len_cspecs, cpc.num_currencies); |