* 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.
*/
/*
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
+#include <dlfcn.h>
+#include <glob.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",
};
-#include "util.c"
+#include "uci_internal.h"
#include "list.c"
-#include "file.c"
+
+__private const char *uci_confdir = UCI_CONFDIR;
+__private const char *uci_savedir = UCI_SAVEDIR;
/* exported functions */
struct uci_context *uci_alloc_context(void)
struct uci_context *ctx;
ctx = (struct uci_context *) malloc(sizeof(struct uci_context));
+ if (!ctx)
+ return NULL;
+
memset(ctx, 0, sizeof(struct uci_context));
uci_list_init(&ctx->root);
- ctx->flags = UCI_FLAG_STRICT;
+ uci_list_init(&ctx->delta_path);
+ uci_list_init(&ctx->backends);
+ ctx->flags = UCI_FLAG_STRICT | UCI_FLAG_SAVED_DELTA;
ctx->confdir = (char *) uci_confdir;
ctx->savedir = (char *) uci_savedir;
+ uci_add_delta_path(ctx, 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);
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);
}
- free(ctx);
+ uci_foreach_element_safe(&ctx->delta_path, tmp, e) {
+ uci_free_element(e);
+ }
UCI_TRAP_RESTORE(ctx);
+ free(ctx);
ignore:
return;
}
-int uci_set_confdir(struct uci_context *ctx, char *dir)
+int uci_set_confdir(struct uci_context *ctx, const char *dir)
{
- dir = uci_strdup(ctx, dir);
+ char *cdir;
+
+ UCI_HANDLE_ERR(ctx);
+ UCI_ASSERT(ctx, dir != NULL);
+
+ cdir = uci_strdup(ctx, dir);
if (ctx->confdir != uci_confdir)
free(ctx->confdir);
- ctx->confdir = dir;
+ ctx->confdir = cdir;
return 0;
}
-int uci_set_savedir(struct uci_context *ctx, char *dir)
+__private void uci_cleanup(struct uci_context *ctx)
{
- dir = uci_strdup(ctx, dir);
- if (ctx->savedir != uci_savedir)
- free(ctx->savedir);
- ctx->savedir = dir;
- 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);
}
-int uci_cleanup(struct uci_context *ctx)
+void
+uci_perror(struct uci_context *ctx, const char *str)
{
- UCI_HANDLE_ERR(ctx);
- uci_file_cleanup(ctx);
- return 0;
+ 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) {
+ err = asprintf(dest, format,
+ (prefix ? prefix : ""), (prefix ? ": " : ""),
+ (ctx && ctx->func ? ctx->func : ""), (ctx && ctx->func ? ": " : ""),
+ uci_errstr[err],
+ error_info);
+ if (err < 0)
+ *dest = NULL;
+ } else {
+ strcat(error_info, "\n");
+ fprintf(stderr, format,
+ (prefix ? prefix : ""), (prefix ? ": " : ""),
+ (ctx && ctx->func ? ctx->func : ""), (ctx && 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;
}
+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;
+}
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