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#include <string.h>
#include <glib.h>
#include "lassi-order.h"
int lassi_list_compare(GList *i, GList *j) {
for (; i && j; i = i->next, j = j->next) {
int c;
c = strcmp(i->data, j->data);
if (c)
return c;
}
if (i)
return 1;
if (j)
return -1;
return 0;
}
gboolean lassi_list_nodups(GList *l) {
GList *i, *j;
for (i = l; i; i = i->next)
for (j = i->next; j; j = j->next)
if (strcmp(i->data, j->data) == 0)
return FALSE;
return TRUE;
}
GList *lassi_list_merge(GList *a, GList *b) {
GList *ia, *ib, *p, *c, *d;
g_assert(lassi_list_nodups(a));
g_assert(lassi_list_nodups(b));
p = b;
for (ia = a; ia; ia = ia->next) {
for (ib = p; ib; ib = ib->next) {
if (strcmp(ia->data, ib->data) == 0) {
/* Found a common entry, hence copy everything since
* the last one we found from b to a */
for (c = p; c != ib; c = c->next) {
/* Before we copy, make sure this entry is not yet
* in a */
for (d = a; d; d = d->next)
if (strcmp(c->data, d->data) == 0)
break;
if (!d)
/* OK, This one is new, let's copy it */
a = g_list_insert_before(a, ia, g_strdup(c->data));
}
p = ib->next;
}
}
}
/* Copy the tail */
for (c = p; c; c = c->next) {
for (d = a; d; d = d->next)
if (strcmp(c->data, d->data) == 0)
break;
if (!d)
a = g_list_append(a, g_strdup(c->data));
}
g_assert(lassi_list_nodups(a));
return a;
}
GList* lassi_list_copy(GList *l) {
GList *r = NULL;
for (; l; l = l->next)
r = g_list_prepend(r, g_strdup(l->data));
return g_list_reverse(r);
}
void lassi_list_free(GList *i) {
while (i) {
g_free(i->data);
i = i->next;
}
}
#if 0
int main(int argc, char *argv[]) {
GList *a = NULL, *b = NULL, *c = NULL, *d = NULL, *i;
a = g_list_append(a, "eins");
a = g_list_append(a, "zwei");
a = g_list_append(a, "vier");
a = g_list_append(a, "fünf");
a = g_list_append(a, "sechs");
a = g_list_append(a, "acht");
b = g_list_append(b, "eins");
b = g_list_append(b, "zwei");
b = g_list_append(b, "drei");
b = g_list_append(b, "vier");
b = g_list_append(b, "sechs");
b = g_list_append(b, "acht");
c = g_list_append(c, "eins");
c = g_list_append(c, "sieben");
c = g_list_append(c, "acht");
d = g_list_append(d, "drei");
d = g_list_append(d, "neun");
d = g_list_append(d, "zwei");
a = lassi_list_merge(a, b);
a = lassi_list_merge(a, c);
a = lassi_list_merge(a, d);
for (i = a; i; i = i->next)
g_debug("%s", (char*) i->data);
return 0;
}
#endif
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