Revision a989a5ef2cc30dc623478bd9353c6e1c68e1c5ca authored by Nicolas Pitre on 14 February 2007, 03:25:08 UTC, committed by Junio C Hamano on 14 February 2007, 04:58:56 UTC
Update section about warning when leaving a detached head. Also fix a few indentations that weren't like the rest of the file. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
1 parent 437b1b2
path-list.c
#include "cache.h"
#include "path-list.h"
/* if there is no exact match, point to the index where the entry could be
* inserted */
static int get_entry_index(const struct path_list *list, const char *path,
int *exact_match)
{
int left = -1, right = list->nr;
while (left + 1 < right) {
int middle = (left + right) / 2;
int compare = strcmp(path, list->items[middle].path);
if (compare < 0)
right = middle;
else if (compare > 0)
left = middle;
else {
*exact_match = 1;
return middle;
}
}
*exact_match = 0;
return right;
}
/* returns -1-index if already exists */
static int add_entry(struct path_list *list, const char *path)
{
int exact_match;
int index = get_entry_index(list, path, &exact_match);
if (exact_match)
return -1 - index;
if (list->nr + 1 >= list->alloc) {
list->alloc += 32;
list->items = xrealloc(list->items, list->alloc
* sizeof(struct path_list_item));
}
if (index < list->nr)
memmove(list->items + index + 1, list->items + index,
(list->nr - index)
* sizeof(struct path_list_item));
list->items[index].path = list->strdup_paths ?
xstrdup(path) : (char *)path;
list->items[index].util = NULL;
list->nr++;
return index;
}
struct path_list_item *path_list_insert(const char *path, struct path_list *list)
{
int index = add_entry(list, path);
if (index < 0)
index = -1 - index;
return list->items + index;
}
int path_list_has_path(const struct path_list *list, const char *path)
{
int exact_match;
get_entry_index(list, path, &exact_match);
return exact_match;
}
struct path_list_item *path_list_lookup(const char *path, struct path_list *list)
{
int exact_match, i = get_entry_index(list, path, &exact_match);
if (!exact_match)
return NULL;
return list->items + i;
}
void path_list_clear(struct path_list *list, int free_items)
{
if (list->items) {
int i;
if (free_items)
for (i = 0; i < list->nr; i++) {
if (list->strdup_paths)
free(list->items[i].path);
free(list->items[i].util);
}
free(list->items);
}
list->items = NULL;
list->nr = list->alloc = 0;
}
void print_path_list(const char *text, const struct path_list *p)
{
int i;
if ( text )
printf("%s\n", text);
for (i = 0; i < p->nr; i++)
printf("%s:%p\n", p->items[i].path, p->items[i].util);
}
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