/*
* parse a command written to a device
*/
Cmdbuf*
parsecmd(char *p, int n)
{
Cmdbuf *cb;
int nf;
char *sp;
nf = ncmdfield(p, n);
/* allocate Cmdbuf plus string pointers plus copy of string including \0 */
sp = emalloc9p(sizeof(*cb) + nf * sizeof(char*) + n + 1);
cb = (Cmdbuf*)sp;
cb->f = (char**)(&cb[1]);
cb->buf = (char*)(&cb->f[nf]);
memmove(cb->buf, p, n);
/* dump new line and null terminate */
if(n > 0 && cb->buf[n-1] == '\n')
n--;
cb->buf[n] = '\0';
cb->nf = tokenize(cb->buf, cb->f, nf-1);
cb->f[cb->nf] = nil;
return cb;
}
/*
* parse a command written to a device
*/
struct cmdbuf *parsecmd(char *p, int n)
{
ERRSTACK(1);
struct cmdbuf *volatile cb;
int nf;
char *sp;
nf = ncmdfield(p, n);
/* allocate Cmdbuf plus string pointers plus copy of string including \0 */
sp = kzmalloc(sizeof(*cb) + nf * sizeof(char *) + n + 1, 0);
cb = (struct cmdbuf *)sp;
cb->f = (char **)(&cb[1]);
cb->buf = (char *)(&cb->f[nf]);
if (current != NULL && waserror()) {
kfree(cb);
nexterror();
}
memmove(cb->buf, p, n);
if (current != NULL)
poperror();
/* dump new line and null terminate */
if (n > 0 && cb->buf[n - 1] == '\n')
n--;
cb->buf[n] = '\0';
cb->nf = tokenize(cb->buf, cb->f, nf - 1);
cb->f[cb->nf] = NULL;
return cb;
}
