void select_add(select_function *sfn, union arg *args, size_t nargs) {
if(!(nselectors + 1))
fatal(0, "too many selectors");
selectors = xrecalloc(selectors, nselectors + 1, sizeof *selectors);
selectors[nselectors].sfn = sfn;
selectors[nselectors].args = args;
selectors[nselectors].nargs = nargs;
++nselectors;
}
/** @brief Find a free slot in @ref handles
* @param id Where to store handle
* @param type @ref SSH_FXP_OPEN or @ref SSH_FXP_OPENDIR
*/
static void find_free_handle(struct handleid *id, int type) {
size_t n;
for(n = 0; n < nhandles && handles[n].tag; ++n)
;
if(n == nhandles && nhandles < MAXHANDLES) {
/* need more space */
nhandles = (nhandles ? 2 * nhandles : 16);
assert(nhandles != 0);
handles = xrecalloc(handles, nhandles, sizeof (*handles));
memset(handles + n, 0, (nhandles - n) * sizeof (*handles));
}
while(!sequence)
++sequence; /* never have a tag of 0 */
handles[n].tag = sequence++;
handles[n].type = type;
id->id = n;
id->tag = handles[n].tag;
}
void *__xrecalloc(char *file, int line, void *ptr, size_t nelem,
size_t elemsz)
{
XALLOC_REC *rec, srch;
if(!xalloc_initialized)
xalloc_init();
if(ptr) {
srch.ptr = ptr;
if((rec = hash_search(xalloc_hash, &srch)) == NULL) {
ulog(ULOG_INFO, "(%s, %d): xrecalloc: attempted to recalloc "
"from bad pointer.\n", file, line);
return(NULL);
}
hash_delete(xalloc_hash, rec);
xar_destroy(rec);
}
ptr = xrecalloc(ptr, nelem, elemsz);
xalloc_numrealloc++, xalloc_id++;
rec = xar_create(file, line, xalloc_id, xrecalloc_name, ptr, nelem * elemsz);
hash_insert(xalloc_hash, rec);
return(ptr);
}
