* This file contains some common code for the uci library
*/
+#define _GNU_SOURCE
#include <sys/types.h>
#include <stdbool.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "uci.h"
-#include "err.h"
+
+static const char *uci_confdir = UCI_CONFDIR;
+static const char *uci_savedir = UCI_SAVEDIR;
static const char *uci_errstr[] = {
[UCI_OK] = "Success",
[UCI_ERR_UNKNOWN] = "Unknown error",
};
+static void uci_cleanup(struct uci_context *ctx);
+
+#include "uci_internal.h"
#include "util.c"
#include "list.c"
+#include "history.c"
#include "file.c"
/* exported functions */
ctx = (struct uci_context *) malloc(sizeof(struct uci_context));
memset(ctx, 0, sizeof(struct uci_context));
uci_list_init(&ctx->root);
- ctx->flags = UCI_FLAG_STRICT;
+ uci_list_init(&ctx->history_path);
+ uci_list_init(&ctx->backends);
+ ctx->flags = UCI_FLAG_STRICT | UCI_FLAG_SAVED_HISTORY;
+
+ ctx->confdir = (char *) uci_confdir;
+ ctx->savedir = (char *) uci_savedir;
+
+ uci_list_add(&ctx->backends, &uci_file_backend.e.list);
+ ctx->backend = &uci_file_backend;
return ctx;
}
{
struct uci_element *e, *tmp;
- UCI_TRAP_SAVE(ctx, ignore);
+ if (ctx->confdir != uci_confdir)
+ free(ctx->confdir);
+ if (ctx->savedir != uci_savedir)
+ free(ctx->savedir);
+
uci_cleanup(ctx);
+ UCI_TRAP_SAVE(ctx, ignore);
uci_foreach_element_safe(&ctx->root, tmp, e) {
- uci_free_package(uci_to_package(e));
+ struct uci_package *p = uci_to_package(e);
+ uci_free_package(&p);
+ }
+ uci_foreach_element_safe(&ctx->history_path, tmp, e) {
+ uci_free_element(e);
}
free(ctx);
UCI_TRAP_RESTORE(ctx);
return;
}
-int uci_cleanup(struct uci_context *ctx)
+int uci_set_confdir(struct uci_context *ctx, const char *dir)
{
+ char *cdir;
+
UCI_HANDLE_ERR(ctx);
- uci_file_cleanup(ctx);
+ UCI_ASSERT(ctx, dir != NULL);
+
+ cdir = uci_strdup(ctx, dir);
+ if (ctx->confdir != uci_confdir)
+ free(ctx->confdir);
+ ctx->confdir = cdir;
return 0;
}
+static void uci_cleanup(struct uci_context *ctx)
+{
+ struct uci_parse_context *pctx;
+
+ if (ctx->buf) {
+ free(ctx->buf);
+ ctx->buf = NULL;
+ ctx->bufsz = 0;
+ }
+
+ pctx = ctx->pctx;
+ if (!pctx)
+ return;
+
+ ctx->pctx = NULL;
+ if (pctx->package)
+ uci_free_package(&pctx->package);
+
+ if (pctx->buf)
+ free(pctx->buf);
+
+ free(pctx);
+}
+
void uci_perror(struct uci_context *ctx, const char *prefix)
{
int err;
if (!ctx)
err = UCI_ERR_INVAL;
else
- err = ctx->errno;
+ err = ctx->err;
if ((err < 0) || (err >= UCI_ERR_LAST))
err = UCI_ERR_UNKNOWN;
}
}
+int uci_list_configs(struct uci_context *ctx, char ***list)
+{
+ UCI_HANDLE_ERR(ctx);
+ UCI_ASSERT(ctx, list != NULL);
+ UCI_ASSERT(ctx, ctx->backend && ctx->backend->list_configs);
+ *list = ctx->backend->list_configs(ctx);
+ return 0;
+}
+
+int uci_commit(struct uci_context *ctx, struct uci_package **package, bool overwrite)
+{
+ struct uci_package *p;
+ UCI_HANDLE_ERR(ctx);
+ UCI_ASSERT(ctx, package != NULL);
+ p = *package;
+ UCI_ASSERT(ctx, p != NULL);
+ UCI_ASSERT(ctx, p->backend && p->backend->commit);
+ p->backend->commit(ctx, package, overwrite);
+ return 0;
+}
+
+int uci_load(struct uci_context *ctx, const char *name, struct uci_package **package)
+{
+ struct uci_package *p;
+ UCI_HANDLE_ERR(ctx);
+ UCI_ASSERT(ctx, ctx->backend && ctx->backend->load);
+ p = ctx->backend->load(ctx, name);
+ if (package)
+ *package = p;
+ return 0;
+}
+
+#ifdef UCI_PLUGIN_SUPPORT
+
+__plugin int uci_add_backend(struct uci_context *ctx, struct uci_backend *b)
+{
+ struct uci_element *e;
+ UCI_HANDLE_ERR(ctx);
+
+ e = uci_lookup_list(&ctx->backends, b->e.name);
+ if (e)
+ UCI_THROW(ctx, UCI_ERR_DUPLICATE);
+
+ e = uci_malloc(ctx, sizeof(struct uci_backend));
+ memcpy(e, b, sizeof(struct uci_backend));
+
+ uci_list_add(&ctx->backends, &e->list);
+ return 0;
+}
+
+__plugin int uci_del_backend(struct uci_context *ctx, struct uci_backend *b)
+{
+ struct uci_element *e, *tmp;
+
+ UCI_HANDLE_ERR(ctx);
+
+ e = uci_lookup_list(&ctx->backends, b->e.name);
+ if (!e || uci_to_backend(e)->ptr != b->ptr)
+ UCI_THROW(ctx, UCI_ERR_NOTFOUND);
+ b = uci_to_backend(e);
+
+ if (ctx->backend && ctx->backend->ptr == b->ptr)
+ ctx->backend = &uci_file_backend;
+
+ uci_foreach_element_safe(&ctx->root, tmp, e) {
+ struct uci_package *p = uci_to_package(e);
+
+ if (!p->backend)
+ continue;
+
+ if (p->backend->ptr == b->ptr)
+ UCI_INTERNAL(uci_unload, ctx, p);
+ }
+
+ uci_list_del(&b->e.list);
+ free(b);
+
+ return 0;
+}
+
+#endif
+
+int uci_set_backend(struct uci_context *ctx, const char *name)
+{
+ struct uci_element *e;
+
+ UCI_HANDLE_ERR(ctx);
+ UCI_ASSERT(ctx, name != NULL);
+ e = uci_lookup_list(&ctx->backends, name);
+ if (!e)
+ UCI_THROW(ctx, UCI_ERR_NOTFOUND);
+ ctx->backend = uci_to_backend(e);
+ return 0;
+}
projects / project / uci.git / blobdiff