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#include <u.h>
#include <libc.h>
static
long
iowritev(int fd, IOchunk *io, int nio, vlong offset)
{
int i;
long tot;
char *buf, *p;
tot = 0;
for(i=0; i<nio; i++)
tot += io[i].len;
buf = malloc(tot);
if(buf == nil)
return -1;
p = buf;
for(i=0; i<nio; i++){
memmove(p, io->addr, io->len);
p += io->len;
io++;
}
tot = pwrite(fd, buf, tot, offset);
free(buf);
return tot;
}
long
writev(int fd, IOchunk *io, int nio)
{
return iowritev(fd, io, nio, -1LL);
}
long
pwritev(int fd, IOchunk *io, int nio, vlong off)
{
return iowritev(fd, io, nio, off);
}
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