* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * GNU Lesser General Public License for more details.
*/
#ifndef __UCI_INTERNAL_H
#define __UCI_INTERNAL_H
+#define __private __attribute__((visibility("hidden")))
#define __public
-#ifdef UCI_PLUGIN_SUPPORT
-#define __plugin extern
-#else
-#define __plugin static
-#endif
struct uci_parse_context
{
/* error context */
const char *reason;
int line;
- int byte;
+ size_t byte;
/* private: */
struct uci_package *package;
FILE *file;
const char *name;
char *buf;
- int bufsz;
+ size_t bufsz;
+ size_t buf_filled;
+ size_t pos;
};
+#define pctx_pos(pctx) ((pctx)->pos)
+#define pctx_str(pctx, i) (&(pctx)->buf[(i)])
+#define pctx_cur_str(pctx) pctx_str(pctx, pctx_pos(pctx))
+#define pctx_char(pctx, i) ((pctx)->buf[(i)])
+#define pctx_cur_char(pctx) pctx_char(pctx, pctx_pos(pctx))
+
+#define uci_alloc_element(ctx, type, name, datasize) \
+ uci_to_ ## type (uci_alloc_generic(ctx, uci_type_ ## type, name, sizeof(struct uci_ ## type) + datasize))
+
+extern const char *uci_confdir;
+extern const char *uci_savedir;
+
+__private void *uci_malloc(struct uci_context *ctx, size_t size);
+__private void *uci_realloc(struct uci_context *ctx, void *ptr, size_t size);
+__private char *uci_strdup(struct uci_context *ctx, const char *str);
+__private bool uci_validate_str(const char *str, bool name, bool package);
+__private void uci_add_delta(struct uci_context *ctx, struct uci_list *list, int cmd, const char *section, const char *option, const char *value);
+__private void uci_free_delta(struct uci_delta *h);
+__private struct uci_package *uci_alloc_package(struct uci_context *ctx, const char *name);
+
+__private FILE *uci_open_stream(struct uci_context *ctx, const char *filename, const char *origfilename, int pos, bool write, bool create);
+__private void uci_close_stream(FILE *stream);
+__private void uci_getln(struct uci_context *ctx, size_t offset);
+
+__private void uci_parse_error(struct uci_context *ctx, char *reason);
+__private void uci_alloc_parse_context(struct uci_context *ctx);
+
+__private void uci_cleanup(struct uci_context *ctx);
+__private struct uci_element *uci_lookup_list(struct uci_list *list, const char *name);
+__private void uci_free_package(struct uci_package **package);
+__private struct uci_element *uci_alloc_generic(struct uci_context *ctx, int type, const char *name, int size);
+__private void uci_free_element(struct uci_element *e);
+__private struct uci_element *uci_expand_ptr(struct uci_context *ctx, struct uci_ptr *ptr, bool complete);
+
+__private int uci_load_delta(struct uci_context *ctx, struct uci_package *p, bool flush);
+
+static inline bool uci_validate_package(const char *str)
+{
+ return uci_validate_str(str, false, true);
+}
+
+static inline bool uci_validate_type(const char *str)
+{
+ return uci_validate_str(str, false, false);
+}
+
+static inline bool uci_validate_name(const char *str)
+{
+ return uci_validate_str(str, true, false);
+}
+
+/* initialize a list head/item */
+static inline void uci_list_init(struct uci_list *ptr)
+{
+ ptr->prev = ptr;
+ ptr->next = ptr;
+}
+
+/* inserts a new list entry after a given entry */
+static inline void uci_list_insert(struct uci_list *list, struct uci_list *ptr)
+{
+ list->next->prev = ptr;
+ ptr->prev = list;
+ ptr->next = list->next;
+ list->next = ptr;
+}
+
+/* inserts a new list entry at the tail of the list */
+static inline void uci_list_add(struct uci_list *head, struct uci_list *ptr)
+{
+ /* NB: head->prev points at the tail */
+ uci_list_insert(head->prev, ptr);
+}
+
+static inline void uci_list_del(struct uci_list *ptr)
+{
+ struct uci_list *next, *prev;
-__plugin void *uci_malloc(struct uci_context *ctx, size_t size);
-__plugin void *uci_realloc(struct uci_context *ctx, void *ptr, size_t size);
-__plugin char *uci_strdup(struct uci_context *ctx, const char *str);
-__plugin bool uci_validate_str(const char *str, bool name);
-__plugin void uci_add_history(struct uci_context *ctx, struct uci_list *list, int cmd, const char *section, const char *option, const char *value);
-__plugin void uci_free_history(struct uci_history *h);
-__plugin struct uci_package *uci_alloc_package(struct uci_context *ctx, const char *name);
+ next = ptr->next;
+ prev = ptr->prev;
+
+ prev->next = next;
+ next->prev = prev;
+
+ uci_list_init(ptr);
+}
+
+
+extern struct uci_backend uci_file_backend;
#ifdef UCI_PLUGIN_SUPPORT
/**
*
* The default backend is "file", which uses /etc/config for config storage
*/
-__plugin int uci_add_backend(struct uci_context *ctx, struct uci_backend *b);
+__private int uci_add_backend(struct uci_context *ctx, struct uci_backend *b);
/**
* uci_add_backend: add an extra backend
*
* The default backend is "file", which uses /etc/config for config storage
*/
-__plugin int uci_del_backend(struct uci_context *ctx, struct uci_backend *b);
+__private int uci_del_backend(struct uci_context *ctx, struct uci_backend *b);
#endif
#define UCI_BACKEND(_var, _name, ...) \
#define DPRINTF(...)
#endif
-/*
+/*
* throw an uci exception and store the error number
* in the context.
*/
#define UCI_HANDLE_ERR(ctx) do { \
DPRINTF("ENTER: %s\n", __func__); \
int __val = 0; \
- ctx->err = 0; \
if (!ctx) \
return UCI_ERR_INVAL; \
+ ctx->err = 0; \
if (!ctx->internal && !ctx->nested) \
__val = setjmp(ctx->trap); \
ctx->internal = false; \
ctx->err = __val; \
memcpy(ctx->trap, __old_trap, sizeof(ctx->trap)); \
goto handler; \
- }
+ } while(0)
#define UCI_TRAP_RESTORE(ctx) \
memcpy(ctx->trap, __old_trap, sizeof(ctx->trap)); \
} while(0)
/**
* UCI_INTERNAL: Do an internal call of a public API function
- *
+ *
* Sets Exception handling to passthrough mode.
* Allows API functions to change behavior compared to public use
*/
/**
* UCI_NESTED: Do an normal nested call of a public API function
- *
+ *
* Sets Exception handling to passthrough mode.
* Allows API functions to change behavior compared to public use
*/
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