X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fbackend.c;h=b05e8d97a5bf7e817a33fbf741be642127d3b7c7;hb=032da34b786333a1af811235c5cf29855479f0b6;hp=49ea9cd52088708e3a02a014f4bdb6fdc98953a6;hpb=187cfc604e51ee534fef8dc33278caa8eb1ff66d;p=libsigrok.git diff --git a/src/backend.c b/src/backend.c index 49ea9cd5..b05e8d97 100644 --- a/src/backend.c +++ b/src/backend.c @@ -122,18 +122,24 @@ /** * Sanity-check all libsigrok drivers. * + * @param[in] ctx Pointer to a libsigrok context struct. Must not be NULL. + * * @retval SR_OK All drivers are OK * @retval SR_ERR One or more drivers have issues. + * @retval SR_ERR_ARG Invalid argument. */ -static int sanity_check_all_drivers(void) +static int sanity_check_all_drivers(const struct sr_context *ctx) { int i, errors, ret = SR_OK; struct sr_dev_driver **drivers; const char *d; + if (!ctx) + return SR_ERR_ARG; + sr_spew("Sanity-checking all drivers."); - drivers = sr_driver_list(); + drivers = sr_driver_list(ctx); for (i = 0; drivers[i]; i++) { errors = 0; @@ -375,13 +381,25 @@ SR_API int sr_init(struct sr_context **ctx) { int ret = SR_ERR; struct sr_context *context; + struct sr_dev_driver ***lists, **drivers; + GArray *array; if (!ctx) { sr_err("%s(): libsigrok context was NULL.", __func__); return SR_ERR; } - if (sanity_check_all_drivers() < 0) { + context = g_malloc0(sizeof(struct sr_context)); + + /* Generate ctx->driver_list at runtime. */ + array = g_array_new(TRUE, FALSE, sizeof(struct sr_dev_driver *)); + for (lists = drivers_lists; *lists; lists++) + for (drivers = *lists; *drivers; drivers++) + g_array_append_val(array, *drivers); + context->driver_list = (struct sr_dev_driver **)array->data; + g_array_free(array, FALSE); + + if (sanity_check_all_drivers(context) < 0) { sr_err("Internal driver error(s), aborting."); return ret; } @@ -401,9 +419,6 @@ SR_API int sr_init(struct sr_context **ctx) return ret; } - /* + 1 to handle when struct sr_context has no members. */ - context = g_malloc0(sizeof(struct sr_context) + 1); - #ifdef HAVE_LIBUSB_1_0 ret = libusb_init(&context->libusb_ctx); if (LIBUSB_SUCCESS != ret) { @@ -418,8 +433,7 @@ SR_API int sr_init(struct sr_context **ctx) ret = SR_OK; done: - if (context) - g_free(context); + g_free(context); return ret; } @@ -440,12 +454,13 @@ SR_API int sr_exit(struct sr_context *ctx) return SR_ERR; } - sr_hw_cleanup_all(); + sr_hw_cleanup_all(ctx); #ifdef HAVE_LIBUSB_1_0 libusb_exit(ctx->libusb_ctx); #endif + g_free(sr_driver_list(ctx)); g_free(ctx); return SR_OK;