diff options
Diffstat (limited to 'libcoopgamma_set_gamma_recv.c')
-rw-r--r-- | libcoopgamma_set_gamma_recv.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/libcoopgamma_set_gamma_recv.c b/libcoopgamma_set_gamma_recv.c new file mode 100644 index 0000000..71b45a7 --- /dev/null +++ b/libcoopgamma_set_gamma_recv.c @@ -0,0 +1,25 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + + +/** + * Apply, update, or remove a gamma ramp adjustment, receive response part + * + * @param ctx The state of the library, must be connected + * @param async Information about the request + * @return Zero on success, -1 on error, in which case `ctx->error` + * (rather than `errno`) is read for information about the error + */ +int +libcoopgamma_set_gamma_recv(libcoopgamma_context_t *restrict ctx, libcoopgamma_async_context_t *restrict async) +{ + if (libcoopgamma_check_error__(ctx, async)) + return -(ctx->error.custom || ctx->error.number); + + while (*libcoopgamma_next_header__(ctx)); + (void) libcoopgamma_next_payload__(ctx, &(size_t){0}); + + errno = EBADMSG; + copy_errno(ctx); + return -1; +} |