index 23476da7deb4eaa98a7f872eed4981b274904af7..96f78f6a3407ee86ab73de736e0485614017cb92 100644 (file)
--- a/tree.c
+++ b/tree.c
{
int len = strlen(pathname);
unsigned int size = cache_entry_size(baselen + len);
- struct cache_entry *ce = malloc(size);
+ struct cache_entry *ce = xmalloc(size);
memset(ce, 0, size);
memcpy(ce->name, base, baselen);
memcpy(ce->name + baselen, pathname, len+1);
memcpy(ce->sha1, sha1, 20);
- return add_cache_entry(ce, 1);
+ return add_cache_entry(ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_SKIP_DFCHECK);
}
static int read_tree_recursive(void *buffer, unsigned long size,
if (S_ISDIR(mode)) {
int retval;
int pathlen = strlen(path);
- char *newbase = malloc(baselen + 1 + pathlen);
+ char *newbase;
void *eltbuf;
char elttype[20];
unsigned long eltsize;
eltbuf = read_sha1_file(sha1, elttype, &eltsize);
- if (!eltbuf || strcmp(elttype, "tree"))
+ if (!eltbuf || strcmp(elttype, "tree")) {
+ if (eltbuf) free(eltbuf);
return -1;
+ }
+ newbase = xmalloc(baselen + 1 + pathlen);
memcpy(newbase, base, baselen);
memcpy(newbase + baselen, path, pathlen);
newbase[baselen + pathlen] = '/';
return read_tree_recursive(buffer, size, "", 0, stage);
}
-struct tree *lookup_tree(unsigned char *sha1)
+struct tree *lookup_tree(const unsigned char *sha1)
{
struct object *obj = lookup_object(sha1);
if (!obj) {
- struct tree *ret = malloc(sizeof(struct tree));
+ struct tree *ret = xmalloc(sizeof(struct tree));
memset(ret, 0, sizeof(struct tree));
created_object(sha1, &ret->object);
ret->object.type = tree_type;
return ret;
}
- if (obj->parsed && obj->type != tree_type) {
+ if (!obj->type)
+ obj->type = tree_type;
+ if (obj->type != tree_type) {
error("Object %s is a %s, not a tree",
sha1_to_hex(sha1), obj->type);
return NULL;
return (struct tree *) obj;
}
-int parse_tree(struct tree *item)
+int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size)
{
- char type[20];
- void *buffer, *bufptr;
- unsigned long size;
+ void *bufptr = buffer;
struct tree_entry_list **list_p;
+
if (item->object.parsed)
return 0;
item->object.parsed = 1;
- buffer = bufptr = read_sha1_file(item->object.sha1, type, &size);
- if (!buffer)
- return error("Could not read %s",
- sha1_to_hex(item->object.sha1));
- if (strcmp(type, tree_type))
- return error("Object %s not a tree",
- sha1_to_hex(item->object.sha1));
list_p = &item->entries;
while (size) {
struct object *obj;
sscanf(bufptr, "%o", &mode) != 1)
return -1;
- entry = malloc(sizeof(struct tree_entry_list));
+ entry = xmalloc(sizeof(struct tree_entry_list));
entry->name = strdup(path + 1);
- entry->directory = S_ISDIR(mode);
- entry->executable = mode & S_IXUSR;
+ entry->directory = S_ISDIR(mode) != 0;
+ entry->executable = (mode & S_IXUSR) != 0;
+ entry->symlink = S_ISLNK(mode) != 0;
+ entry->mode = mode;
entry->next = NULL;
- /* Warn about trees that don't do the recursive thing.. */
- if (strchr(path, '/')) {
- item->has_full_path = 1;
- }
-
bufptr += len + 20;
size -= len + 20;
entry->item.blob = lookup_blob(file_sha1);
obj = &entry->item.blob->object;
}
- add_ref(&item->object, obj);
-
+ if (obj)
+ add_ref(&item->object, obj);
+ entry->parent = NULL; /* needs to be filled by the user */
*list_p = entry;
list_p = &entry->next;
}
return 0;
}
+
+int parse_tree(struct tree *item)
+{
+ char type[20];
+ void *buffer;
+ unsigned long size;
+ int ret;
+
+ if (item->object.parsed)
+ return 0;
+ buffer = read_sha1_file(item->object.sha1, type, &size);
+ if (!buffer)
+ return error("Could not read %s",
+ sha1_to_hex(item->object.sha1));
+ if (strcmp(type, tree_type)) {
+ free(buffer);
+ return error("Object %s not a tree",
+ sha1_to_hex(item->object.sha1));
+ }
+ ret = parse_tree_buffer(item, buffer, size);
+ free(buffer);
+ return ret;
+}