#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;
[UCI_ERR_UNKNOWN] = "Unknown error",
};
+static void uci_cleanup(struct uci_context *ctx);
+
#include "uci_internal.h"
#include "util.c"
#include "list.c"
memset(ctx, 0, sizeof(struct uci_context));
uci_list_init(&ctx->root);
uci_list_init(&ctx->history_path);
- ctx->flags = UCI_FLAG_STRICT;
+ 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;
}
if (ctx->savedir != uci_savedir)
free(ctx->savedir);
- UCI_TRAP_SAVE(ctx, ignore);
- ctx->internal = true;
uci_cleanup(ctx);
+ UCI_TRAP_SAVE(ctx, ignore);
uci_foreach_element_safe(&ctx->root, tmp, 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);
+ free(ctx);
ignore:
return;
return 0;
}
-int uci_cleanup(struct uci_context *ctx)
+static void uci_cleanup(struct uci_context *ctx)
{
- UCI_HANDLE_ERR(ctx);
- uci_file_cleanup(ctx);
- return 0;
+ 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 *str)
+{
+ uci_get_errorstr(ctx, NULL, str);
}
-void uci_perror(struct uci_context *ctx, const char *prefix)
+void
+uci_get_errorstr(struct uci_context *ctx, char **dest, const char *prefix)
{
+ static char error_info[128];
int err;
+ const char *format =
+ "%s%s" /* prefix */
+ "%s%s" /* function */
+ "%s" /* error */
+ "%s"; /* details */
+
+ error_info[0] = 0;
if (!ctx)
err = UCI_ERR_INVAL;
else
- err = ctx->errno;
+ err = ctx->err;
if ((err < 0) || (err >= UCI_ERR_LAST))
err = UCI_ERR_UNKNOWN;
- if (prefix)
- fprintf(stderr, "%s: ", prefix);
- if (ctx->func)
- fprintf(stderr, "%s: ", ctx->func);
-
switch (err) {
case UCI_ERR_PARSE:
if (ctx->pctx) {
- fprintf(stderr, "%s (%s) at line %d, byte %d\n", uci_errstr[err], (ctx->pctx->reason ? ctx->pctx->reason : "unknown"), ctx->pctx->line, ctx->pctx->byte);
+ snprintf(error_info, sizeof(error_info) - 1, " (%s) at line %d, byte %d", (ctx->pctx->reason ? ctx->pctx->reason : "unknown"), ctx->pctx->line, ctx->pctx->byte);
break;
}
- /* fall through */
+ break;
default:
- fprintf(stderr, "%s\n", uci_errstr[err]);
break;
}
+ if (dest)
+ asprintf(dest, format,
+ (prefix ? prefix : ""), (prefix ? ": " : ""),
+ (ctx->func ? ctx->func : ""), (ctx->func ? ": " : ""),
+ uci_errstr[err],
+ error_info);
+ else {
+ strcat(error_info, "\n");
+ fprintf(stderr, format,
+ (prefix ? prefix : ""), (prefix ? ": " : ""),
+ (ctx->func ? ctx->func : ""), (ctx->func ? ": " : ""),
+ uci_errstr[err],
+ error_info);
+ }
+}
+
+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;
+}