uci_alloc_generic(struct uci_context *ctx, int type, const char *name, int size)
{
struct uci_element *e;
+ int datalen = size;
void *ptr;
- ptr = uci_malloc(ctx, size + strlen(name) + 1);
+ if (name)
+ datalen += strlen(name) + 1;
+ ptr = uci_malloc(ctx, datalen);
e = (struct uci_element *) ptr;
e->type = type;
- e->name = (char *) ptr + size;
- strcpy(e->name, name);
+ if (name) {
+ e->name = (char *) ptr + size;
+ strcpy(e->name, name);
+ }
uci_list_init(&e->list);
return e;
static inline void
uci_add_history(struct uci_context *ctx, struct uci_package *p, int cmd, char *section, char *option, char *value)
{
- struct uci_history *h = (struct uci_history *) uci_malloc(ctx, sizeof(struct uci_history));
+ struct uci_history *h;
+ int size = strlen(section) + 1;
+ char *ptr;
+
+ if (value)
+ size += strlen(section) + 1;
- uci_list_init(&h->list);
+ h = uci_alloc_element(ctx, history, option, size);
+ ptr = uci_dataptr(h);
h->cmd = cmd;
- h->section = section;
- h->option = option;
- h->value = value;
- uci_list_add(&p->history, &h->list);
+ h->section = strcpy(ptr, section);
+ if (value) {
+ ptr += strlen(ptr) + 1;
+ h->value = strcpy(ptr, value);
+ }
+ uci_list_add(&p->history, &h->e.list);
}
-
static struct uci_element *uci_lookup_list(struct uci_context *ctx, struct uci_list *list, const char *name)
{
struct uci_element *e;
if (!strcmp(e->name, name))
return e;
}
- UCI_THROW(ctx, UCI_ERR_NOTFOUND);
+ return NULL;
}
int uci_lookup(struct uci_context *ctx, struct uci_element **res, struct uci_package *p, char *section, char *option)
UCI_HANDLE_ERR(ctx);
UCI_ASSERT(ctx, res != NULL);
UCI_ASSERT(ctx, p != NULL);
+ UCI_ASSERT(ctx, section != NULL);
e = uci_lookup_list(ctx, &p->sections, section);
- if (!option)
- goto found;
+ if (!e)
+ goto notfound;
- s = uci_to_section(e);
- e = uci_lookup_list(ctx, &s->options, option);
+ if (option) {
+ s = uci_to_section(e);
+ e = uci_lookup_list(ctx, &s->options, option);
+ }
-found:
*res = e;
return 0;
+
+notfound:
+ UCI_THROW(ctx, UCI_ERR_NOTFOUND);
+ return 0;
+}
+
+int uci_del_element(struct uci_context *ctx, struct uci_element *e)
+{
+ bool internal = ctx->internal;
+ struct uci_package *p = NULL;
+ struct uci_section *s = NULL;
+ struct uci_option *o = NULL;
+ struct uci_element *i, *tmp;
+ char *option = NULL;
+
+ UCI_HANDLE_ERR(ctx);
+ UCI_ASSERT(ctx, e != NULL);
+
+ switch(e->type) {
+ case UCI_TYPE_SECTION:
+ s = uci_to_section(e);
+ uci_foreach_element_safe(&s->options, tmp, i) {
+ uci_del_element(ctx, i);
+ }
+ break;
+ case UCI_TYPE_OPTION:
+ o = uci_to_option(e);
+ s = o->section;
+ p = s->package;
+ option = e->name;
+ break;
+ default:
+ UCI_THROW(ctx, UCI_ERR_INVAL);
+ break;
+ }
+
+ p = s->package;
+ if (!internal)
+ uci_add_history(ctx, p, UCI_CMD_REMOVE, s->e.name, option, NULL);
+
+ switch(e->type) {
+ case UCI_TYPE_SECTION:
+ uci_free_section(s);
+ break;
+ case UCI_TYPE_OPTION:
+ uci_free_option(o);
+ break;
+ default:
+ break;
+ }
+ return 0;
}
int uci_set_element_value(struct uci_context *ctx, struct uci_element **element, char *value)
{
- int size;
- char *str;
+ bool internal = ctx->internal;
struct uci_list *list;
struct uci_element *e;
+ struct uci_package *p;
+ struct uci_section *s;
+ char *section;
+ char *option;
+ char *str;
+ int size;
UCI_HANDLE_ERR(ctx);
UCI_ASSERT(ctx, value != NULL);
switch(e->type) {
case UCI_TYPE_SECTION:
size = sizeof(struct uci_section);
+ s = uci_to_section(e);
+ section = e->name;
+ option = NULL;
break;
case UCI_TYPE_OPTION:
size = sizeof(struct uci_option);
+ s = uci_to_option(e)->section;
+ section = s->e.name;
+ option = e->name;
break;
default:
UCI_THROW(ctx, UCI_ERR_INVAL);
- break;
+ return 0;
}
+ p = s->package;
+ if (!internal)
+ uci_add_history(ctx, p, UCI_CMD_CHANGE, section, option, value);
uci_list_del(&e->list);
e = uci_realloc(ctx, e, size);
switch(e->type) {
case UCI_TYPE_SECTION:
- uci_to_section(e)->type = value;
+ uci_to_section(e)->type = str;
break;
case UCI_TYPE_OPTION:
- uci_to_option(e)->value = value;
+ uci_to_option(e)->value = str;
break;
default:
break;
return 0;
}
-int uci_set(struct uci_context *ctx, char *package, char *section, char *option, char *value)
+int uci_del(struct uci_context *ctx, struct uci_package *p, char *section, char *option)
{
+ bool internal = ctx->internal;
struct uci_element *e;
- struct uci_package *p = NULL;
+ struct uci_section *s = NULL;
+ struct uci_option *o = NULL;
+
+ UCI_HANDLE_ERR(ctx);
+ UCI_ASSERT(ctx, p != NULL);
+ UCI_ASSERT(ctx, section != NULL);
+
+ UCI_INTERNAL(uci_lookup, ctx, &e, p, section, option);
+
+ if (!internal)
+ return uci_del_element(ctx, e);
+ UCI_INTERNAL(uci_del_element, ctx, e);
+
+ return 0;
+}
+
+int uci_set(struct uci_context *ctx, struct uci_package *p, char *section, char *option, char *value)
+{
+ bool internal = ctx->internal;
+ struct uci_element *e = NULL;
struct uci_section *s = NULL;
struct uci_option *o = NULL;
struct uci_history *h;
UCI_HANDLE_ERR(ctx);
- UCI_ASSERT(ctx, package != NULL);
+ UCI_ASSERT(ctx, p != NULL);
UCI_ASSERT(ctx, section != NULL);
+ UCI_ASSERT(ctx, value != NULL);
/*
* look up the package, section and option (if set)
* if the section/option is to be modified and it is not found
* create a new element in the appropriate list
*/
- UCI_TRAP_SAVE(ctx, notfound);
- e = uci_lookup_list(ctx, &ctx->root, package);
- if (!e)
- goto notfound;
-
- p = uci_to_package(e);
- e = uci_lookup_list(ctx, &p->sections, section);
- if (!e)
- goto notfound;
+ UCI_INTERNAL(uci_lookup, ctx, &e, p, section, NULL);
s = uci_to_section(e);
-
if (option) {
e = uci_lookup_list(ctx, &s->options, option);
if (!e)
goto notfound;
o = uci_to_option(e);
}
- UCI_TRAP_RESTORE(ctx);
/*
* no unknown element was supplied, assume that we can just update
else
e = &s->e;
- uci_add_history(ctx, p, UCI_CMD_CHANGE, section, option, value);
- return uci_set_element_value(ctx, &e, value);
+ if (!internal)
+ return uci_set_element_value(ctx, &e, value);
+
+ UCI_INTERNAL(uci_set_element_value, ctx, &e, value);
+ return 0;
notfound:
/*
* an option was supplied, but the section wasn't found
*/
if (!p || (!s && option))
- UCI_THROW(ctx, ctx->errno);
+ UCI_THROW(ctx, UCI_ERR_NOTFOUND);
/* now add the missing entry */
- uci_add_history(ctx, p, UCI_CMD_ADD, section, option, value);
+ if (!internal)
+ uci_add_history(ctx, p, UCI_CMD_ADD, section, option, value);
if (s)
uci_alloc_option(s, option, value);
else
- uci_alloc_section(p, section, value);
+ uci_alloc_section(p, value, section);
return 0;
}