add list support

[project/uci.git] / uci_internal.h

diff --git a/uci_internal.h b/uci_internal.h
index 5b5a50d..eba0143 100644 (file)
--- a/uci_internal.h
+++ b/uci_internal.h
@@ -15,6 +15,13 @@
 #ifndef __UCI_INTERNAL_H
 #define __UCI_INTERNAL_H
 
+#define __public
+#ifdef UCI_PLUGIN_SUPPORT
+#define __plugin extern
+#else
+#define __plugin static
+#endif
+
 struct uci_parse_context
 {
        /* error context */
@@ -32,9 +39,46 @@ struct uci_parse_context
        int bufsz;
 };
 
-int uci_add_backend(struct uci_context *ctx, struct uci_backend *b);
-void uci_add_history(struct uci_context *ctx, struct uci_list *list, int cmd, char *section, char *option, char *value);
-void uci_free_history(struct uci_history *h);
+__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);
+
+#ifdef UCI_PLUGIN_SUPPORT
+/**
+ * uci_add_backend: add an extra backend
+ * @ctx: uci context
+ * @name: name of the backend
+ *
+ * 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);
+
+/**
+ * uci_add_backend: add an extra backend
+ * @ctx: uci context
+ * @name: name of the 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);
+#endif
+
+#define UCI_BACKEND(_var, _name, ...)  \
+struct uci_backend _var = {            \
+       .e.list = {                     \
+               .next = &_var.e.list,   \
+               .prev = &_var.e.list,   \
+       },                              \
+       .e.name = _name,                \
+       .e.type = UCI_TYPE_BACKEND,     \
+       .ptr = &_var,                   \
+       __VA_ARGS__                     \
+}
+
 
 /*
  * functions for debug and error handling, for internal use only
@@ -67,7 +111,7 @@ void uci_free_history(struct uci_history *h);
 #define UCI_HANDLE_ERR(ctx) do {       \
        DPRINTF("ENTER: %s\n", __func__); \
        int __val = 0;                  \
-       ctx->errno = 0;                 \
+       ctx->err = 0;                   \
        if (!ctx)                       \
                return UCI_ERR_INVAL;   \
        if (!ctx->internal)             \
@@ -75,7 +119,7 @@ void uci_free_history(struct uci_history *h);
        ctx->internal = false;          \
        if (__val) {                    \
                DPRINTF("LEAVE: %s, ret=%d\n", __func__, __val); \
-               ctx->errno = __val;     \
+               ctx->err = __val;       \
                return __val;           \
        }                               \
 } while (0)
@@ -92,7 +136,7 @@ void uci_free_history(struct uci_history *h);
        memcpy(__old_trap, ctx->trap, sizeof(ctx->trap)); \
        __val = setjmp(ctx->trap);      \
        if (__val) {                    \
-               ctx->errno = __val;     \
+               ctx->err = __val;       \
                memcpy(ctx->trap, __old_trap, sizeof(ctx->trap)); \
                goto handler;           \
        }