diff options
Diffstat (limited to 'src/libunixonacid/textmessage_putv.c')
-rw-r--r-- | src/libunixonacid/textmessage_putv.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/libunixonacid/textmessage_putv.c b/src/libunixonacid/textmessage_putv.c new file mode 100644 index 0000000..c144505 --- /dev/null +++ b/src/libunixonacid/textmessage_putv.c @@ -0,0 +1,22 @@ +/* ISC license. */ + +#include <sys/uio.h> +#include <errno.h> +#include <stdint.h> +#include <skalibs/uint32.h> +#include <skalibs/bufalloc.h> +#include <skalibs/siovec.h> +#include <skalibs/textmessage.h> + +int textmessage_putv (textmessage_sender_t *ts, struct iovec const *v, unsigned int n) +{ + size_t len = siovec_len(v, n) ; + char pack[4] ; + struct iovec vv[n+1] ; + if (len > UINT32_MAX) return (errno = EINVAL, 0) ; + vv[0].iov_base = pack ; + vv[0].iov_len = 4 ; + for (unsigned int i = 0 ; i < n ; i++) vv[i+1] = v[i] ; + uint32_pack_big(pack, (uint32_t)len) ; + return bufalloc_putv(&ts->out, vv, n+1) ; +} |