util: refactor listing card drivers
Make util_list_card_drivers() a function in util.c to allow consistent listing of available card drivers from tools.
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@ -305,6 +305,26 @@ util_print_usage_and_die(const char *app_name, const struct option options[],
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exit(2);
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}
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int util_list_card_drivers(const sc_context_t *ctx)
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{
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int i;
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if (ctx == NULL) {
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fprintf(stderr, "Unable to get card drivers!\n");
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return 1;
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}
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if (ctx->card_drivers[0] == NULL) {
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fprintf(stderr, "No card drivers installed!\n");
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return 1;
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}
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printf("Available card drivers:\n");
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for (i = 0; ctx->card_drivers[i] != NULL; i++) {
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printf(" %-16s %s\n", ctx->card_drivers[i]->short_name,
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ctx->card_drivers[i]->name);
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}
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return 0;
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}
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const char * util_acl_to_str(const sc_acl_entry_t *e)
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{
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static char line[80], buf[20];
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@ -41,6 +41,7 @@ void util_hex_dump(FILE *f, const u8 *in, int len, const char *sep);
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void util_hex_dump_asc(FILE *f, const u8 *in, size_t count, int addr);
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NORETURN void util_print_usage_and_die(const char *app_name, const struct option options[],
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const char *option_help[], const char *args);
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int util_list_card_drivers(const sc_context_t *ctx);
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const char * util_acl_to_str(const struct sc_acl_entry *e);
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void util_warn(const char *fmt, ...);
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void util_error(const char *fmt, ...);
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