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#include "tabexp.h"
#include "xmalloc.h"
#include "xstrjoin.h"
#include "debug.h"
#include <stdlib.h>
struct tabexp tabexp = {
.head = NULL,
.tails = NULL
};
char *tabexp_expand(const char *src, void (*load_matches)(const char *src))
{
static int idx = 0;
char *expanded;
if (tabexp.tails == NULL) {
load_matches(src);
if (tabexp.tails == NULL) {
BUG_ON(tabexp.head != NULL);
return NULL;
}
BUG_ON(tabexp.head == NULL);
idx = 0;
}
expanded = xstrjoin(tabexp.head, tabexp.tails[idx++]);
if (!tabexp.tails[idx])
idx = 0;
if (!tabexp.tails[1])
tabexp_reset();
return expanded;
}
void tabexp_reset(void)
{
free_str_array(tabexp.tails);
free(tabexp.head);
tabexp.tails = NULL;
tabexp.head = NULL;
}
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