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https://github.com/MidnightCommander/mc
synced 2024-12-22 20:36:50 +03:00
src/filemanager/treestore.c: fix coding style, minor refactoring.
Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin
parent
f28a5ed9e4
commit
66cf2a5a75
@ -76,6 +76,7 @@ static struct TreeStore ts;
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static hook_t *remove_entry_hooks;
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/* --------------------------------------------------------------------------------------------- */
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/*** file scope functions ************************************************************************/
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/* --------------------------------------------------------------------------------------------- */
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@ -165,14 +166,15 @@ pathcmp (const vfs_path_t * p1_vpath, const vfs_path_t * p2_vpath)
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static char *
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decode (char *buffer)
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{
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char *res = g_strdup (buffer);
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char *p, *q;
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char *res, *p, *q;
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for (p = q = res; *p; p++, q++)
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res = g_strdup (buffer);
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for (p = q = res; *p != '\0'; p++, q++)
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{
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if (*p == '\n')
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{
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*q = 0;
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*q = '\0';
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return res;
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}
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@ -196,6 +198,7 @@ decode (char *buffer)
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break;
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}
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}
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*q = *p;
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return res;
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@ -205,9 +208,9 @@ decode (char *buffer)
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/** Loads the tree store from the specified filename */
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static int
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tree_store_load_from (char *name)
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tree_store_load_from (const char *name)
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{
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FILE *file = NULL;
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FILE *file;
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char buffer[MC_MAXPATHLEN + 20];
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g_return_val_if_fail (name != NULL, 0);
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@ -251,8 +254,9 @@ tree_store_load_from (char *name)
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if (!IS_PATH_SEP (lc_name[0]))
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{
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/* Clear-text decompression */
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char *s = strtok (lc_name, " ");
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char *s;
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s = strtok (lc_name, " ");
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if (s != NULL)
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{
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char *different;
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@ -260,7 +264,7 @@ tree_store_load_from (char *name)
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common = atoi (s);
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different = strtok (NULL, "");
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if (different)
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if (different != NULL)
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{
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vfs_path_t *vpath;
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@ -301,7 +305,9 @@ tree_store_load_from (char *name)
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/* Nothing loaded, we add some standard directories */
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if (!ts.tree_first)
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{
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vfs_path_t *tmp_vpath = vfs_path_from_str (PATH_SEP_STR);
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vfs_path_t *tmp_vpath;
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tmp_vpath = vfs_path_from_str (PATH_SEP_STR);
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tree_store_add_entry (tmp_vpath);
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tree_store_rescan (tmp_vpath);
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vfs_path_free (tmp_vpath);
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@ -329,30 +335,31 @@ tree_store_save_to (char *name)
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FILE *file;
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file = fopen (name, "w");
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if (!file)
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if (file == NULL)
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return errno;
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fprintf (file, "%s\n", TREE_SIGNATURE);
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current = ts.tree_first;
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while (current)
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{
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for (current = ts.tree_first; current != NULL; current = current->next)
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if (vfs_file_is_local (current->name))
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{
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int i, common;
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/* Clear-text compression */
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if (current->prev && (common = str_common (current->prev->name, current->name)) > 2)
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if (current->prev != NULL
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&& (common = str_common (current->prev->name, current->name)) > 2)
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{
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char *encoded = encode (current->name, common);
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char *encoded;
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encoded = encode (current->name, common);
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i = fprintf (file, "%d:%d %s\n", current->scanned ? 1 : 0, common, encoded);
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g_free (encoded);
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}
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else
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{
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char *encoded = encode (current->name, 0);
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char *encoded;
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encoded = encode (current->name, 0);
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i = fprintf (file, "%d:%s\n", current->scanned ? 1 : 0, encoded);
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g_free (encoded);
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}
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@ -364,8 +371,7 @@ tree_store_save_to (char *name)
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break;
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}
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}
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current = current->next;
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}
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tree_store_dirty (FALSE);
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fclose (file);
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@ -378,30 +384,28 @@ static tree_entry *
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tree_store_add_entry (const vfs_path_t * name)
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{
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int flag = -1;
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tree_entry *current = ts.tree_first;
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tree_entry *current;
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tree_entry *old = NULL;
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tree_entry *new;
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int submask = 0;
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if (ts.tree_last && ts.tree_last->next)
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if (ts.tree_last != NULL && ts.tree_last->next != NULL)
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abort ();
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/* Search for the correct place */
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while (current != NULL && (flag = pathcmp (current->name, name)) < 0)
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{
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for (current = ts.tree_first;
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current != NULL && (flag = pathcmp (current->name, name)) < 0; current = current->next)
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old = current;
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current = current->next;
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}
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if (flag == 0)
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return current; /* Already in the list */
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/* Not in the list -> add it */
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new = g_new0 (tree_entry, 1);
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if (!current)
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if (current == NULL)
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{
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/* Append to the end of the list */
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if (!ts.tree_first)
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if (ts.tree_first == NULL)
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{
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/* Empty list */
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ts.tree_first = new;
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@ -438,6 +442,7 @@ tree_store_add_entry (const vfs_path_t * name)
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/* Calculate attributes */
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new->name = vfs_path_clone (name);
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new->sublevel = vfs_path_tokens_count (new->name);
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{
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const char *new_name;
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@ -448,22 +453,19 @@ tree_store_add_entry (const vfs_path_t * name)
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else
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new->subname++;
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}
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if (new->next)
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if (new->next != NULL)
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submask = new->next->submask;
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else
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submask = 0;
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submask |= 1 << new->sublevel;
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submask &= (2 << new->sublevel) - 1;
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new->submask = submask;
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new->mark = FALSE;
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/* Correct the submasks of the previous entries */
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current = new->prev;
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while (current && current->sublevel > new->sublevel)
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{
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for (current = new->prev;
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current != NULL && current->sublevel > new->sublevel; current = current->prev)
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current->submask |= 1 << new->sublevel;
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current = current->prev;
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}
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tree_store_dirty (TRUE);
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return new;
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@ -474,14 +476,13 @@ tree_store_add_entry (const vfs_path_t * name)
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static void
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tree_store_notify_remove (tree_entry * entry)
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{
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hook_t *p = remove_entry_hooks;
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hook_t *p;
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while (p != NULL)
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for (p = remove_entry_hooks; p != NULL; p = p->next)
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{
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tree_store_remove_fn r = (tree_store_remove_fn) p->hook_fn;
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r (entry, p->hook_data);
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p = p->next;
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}
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}
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@ -497,23 +498,23 @@ remove_entry (tree_entry * entry)
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tree_store_notify_remove (entry);
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/* Correct the submasks of the previous entries */
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if (entry->next)
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if (entry->next != NULL)
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submask = entry->next->submask;
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while (current && current->sublevel > entry->sublevel)
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for (; current != NULL && current->sublevel > entry->sublevel; current = current->prev)
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{
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submask |= 1 << current->sublevel;
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submask &= (2 << current->sublevel) - 1;
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current->submask = submask;
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current = current->prev;
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}
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/* Unlink the entry from the list */
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if (entry->prev)
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if (entry->prev != NULL)
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entry->prev->next = entry->next;
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else
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ts.tree_first = entry->next;
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if (entry->next)
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if (entry->next != NULL)
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entry->next->prev = entry->prev;
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else
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ts.tree_last = entry->prev;
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@ -592,16 +593,14 @@ should_skip_directory (const vfs_path_t * vpath)
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tree_entry *
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tree_store_whereis (const vfs_path_t * name)
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{
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tree_entry *current = ts.tree_first;
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tree_entry *current;
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int flag = -1;
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while (current && (flag = pathcmp (current->name, name)) < 0)
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current = current->next;
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for (current = ts.tree_first;
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current != NULL && (flag = pathcmp (current->name, name)) < 0; current = current->next)
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;
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if (flag == 0)
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return current;
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else
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return NULL;
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return flag == 0 ? current : NULL;
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}
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/* --------------------------------------------------------------------------------------------- */
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@ -674,7 +673,6 @@ tree_store_remove_entry_remove_hook (tree_store_remove_fn callback)
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delete_hook (&remove_entry_hooks, (void (*)(void *)) callback);
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}
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/* --------------------------------------------------------------------------------------------- */
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void
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@ -698,7 +696,7 @@ tree_store_remove_entry (const vfs_path_t * name_vpath)
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/* Miguel Ugly hack end */
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base = tree_store_whereis (name_vpath);
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if (!base)
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if (base == NULL)
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return; /* Doesn't exist */
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len = vfs_path_len (base->name);
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@ -750,9 +748,9 @@ tree_store_mark_checked (const char *subname)
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name = vfs_path_append_new (ts.check_name, subname, (char *) NULL);
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/* Search for the subdirectory */
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current = ts.check_start;
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while (current && (flag = pathcmp (current->name, name)) < 0)
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current = current->next;
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for (current = ts.check_start;
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current != NULL && (flag = pathcmp (current->name, name)) < 0; current = current->next)
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;
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if (flag != 0)
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{
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@ -765,14 +763,15 @@ tree_store_mark_checked (const char *subname)
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/* Clear the deletion mark from the subdirectory and its children */
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base = current;
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if (base)
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if (base != NULL)
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{
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size_t len;
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len = vfs_path_len (base->name);
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base->mark = FALSE;
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current = base->next;
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while (current != NULL && vfs_path_equal_len (current->name, base->name, len))
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for (current = base->next;
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current != NULL && vfs_path_equal_len (current->name, base->name, len);
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current = current->next)
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{
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gboolean ok;
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@ -782,7 +781,6 @@ tree_store_mark_checked (const char *subname)
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break;
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current->mark = FALSE;
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current = current->next;
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}
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}
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}
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@ -804,14 +802,11 @@ tree_store_start_check (const vfs_path_t * vpath)
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/* Search for the start of subdirectories */
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current = tree_store_whereis (vpath);
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if (!current)
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if (current == NULL)
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{
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struct stat s;
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if (mc_stat (vpath, &s) == -1)
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return NULL;
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if (!S_ISDIR (s.st_mode))
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if (mc_stat (vpath, &s) == -1 || !S_ISDIR (s.st_mode))
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return NULL;
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current = tree_store_add_entry (vpath);
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@ -828,8 +823,9 @@ tree_store_start_check (const vfs_path_t * vpath)
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ts.check_start = current->next;
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len = vfs_path_len (ts.check_name);
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current = ts.check_start;
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while (current != NULL && vfs_path_equal_len (current->name, ts.check_name, len))
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for (current = ts.check_start;
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current != NULL && vfs_path_equal_len (current->name, ts.check_name, len);
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current = current->next)
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{
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gboolean ok;
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const char *cname;
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@ -840,7 +836,6 @@ tree_store_start_check (const vfs_path_t * vpath)
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break;
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current->mark = TRUE;
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current = current->next;
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}
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return retval;
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@ -912,22 +907,21 @@ tree_store_rescan (const vfs_path_t * vpath)
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return NULL;
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dirp = mc_opendir (vpath);
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if (dirp)
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if (dirp != NULL)
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{
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struct dirent *dp;
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for (dp = mc_readdir (dirp); dp; dp = mc_readdir (dirp))
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for (dp = mc_readdir (dirp); dp != NULL; dp = mc_readdir (dirp))
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if (!DIR_IS_DOT (dp->d_name) && !DIR_IS_DOTDOT (dp->d_name))
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{
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vfs_path_t *tmp_vpath;
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if (DIR_IS_DOT (dp->d_name) || DIR_IS_DOTDOT (dp->d_name))
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continue;
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tmp_vpath = vfs_path_append_new (vpath, dp->d_name, (char *) NULL);
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if (mc_lstat (tmp_vpath, &buf) != -1 && S_ISDIR (buf.st_mode))
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tree_store_mark_checked (dp->d_name);
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vfs_path_free (tmp_vpath);
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}
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mc_closedir (dirp);
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}
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tree_store_end_check ();
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