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/* ISC license. */
#include <string.h>
#include <skalibs/stralloc.h>
#include <bcnm/wpactrl.h>
static inline size_t wpactrl_findmsg (wpactrl_t *a, char const *filter)
{
size_t filterlen = strlen(filter) ;
size_t i = 0 ;
while (i < a->data.len)
{
if (!strncmp(a->data.s + i, filter, filterlen)) break ;
i += strlen(a->data.s + i) + 1 ;
}
return i ;
}
int wpactrl_xchg_event (wpactrl_t *a, wpactrl_xchg_t *dt, tain_t *stamp)
{
size_t pos, len ;
if (dt->i >= dt->n) return 2 ;
pos = wpactrl_findmsg(a, dt->tab[dt->i].filter) ;
if (pos >= a->data.len) return 0 ;
dt->sa.len = 0 ;
len = strlen(a->data.s + pos) + 1 ;
if (dt->i == dt->n - 1)
{
if (!stralloc_catb(&dt->sa, a->data.s + pos, len)) return -1 ;
memmove(a->data.s + pos, a->data.s + pos + len, a->data.len - len) ;
a->data.len -= len ;
dt->status = 0 ;
wpactrl_filter_remove(a, dt->tab[dt->i].filter) ;
return 1 ;
}
if (!(*dt->tab[dt->i].f)(a, a->data.s + pos, len - 1, dt->aux, stamp)) return -1 ;
memmove(a->data.s + pos, a->data.s + pos + len, a->data.len - len) ;
a->data.len -= len ;
wpactrl_filter_remove(a, dt->tab[dt->i].filter) ;
if (!wpactrl_filter_add(a, dt->tab[++dt->i].filter)) return -1 ;
return 0 ;
}
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