src/libstddjb/buffer_getvallnf.c


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/* ISC license. */

#include <sys/uio.h>
#include <errno.h>
#include <skalibs/siovec.h>
#include <skalibs/buffer.h>

int buffer_getvallnofill (buffer *b, struct iovec const *v, unsigned int n)
{
  size_t r = buffer_getvnofill(b, v, n) ;
  if (r < siovec_len(v, n))
  {
    buffer_unget(b, r) ;
    return (errno = ENOBUFS, 0) ;
  }
  return 1 ;
}