split off and compile util.c separately

[project/uci.git] / history.c

diff --git a/history.c b/history.c
index ae66f66..649ead1 100644 (file)
--- a/history.c
+++ b/history.c
@@ -93,6 +93,9 @@ static inline int uci_parse_history_tuple(struct uci_context *ctx, char **buf, s
        int c = UCI_CMD_CHANGE;
 
        switch(**buf) {
+       case '^':
+               c = UCI_CMD_REORDER;
+               break;
        case '-':
                c = UCI_CMD_REMOVE;
                break;
@@ -119,6 +122,10 @@ static inline int uci_parse_history_tuple(struct uci_context *ctx, char **buf, s
                goto error;
 
        switch(c) {
+       case UCI_CMD_REORDER:
+               if (!ptr->value || ptr->option)
+                       goto error;
+               break;
        case UCI_CMD_RENAME:
                if (!ptr->value || !uci_validate_name(ptr->value))
                        goto error;
@@ -149,6 +156,12 @@ static void uci_parse_history_line(struct uci_context *ctx, struct uci_package *
                uci_add_history(ctx, &p->saved_history, cmd, ptr.section, ptr.option, ptr.value);
 
        switch(cmd) {
+       case UCI_CMD_REORDER:
+               expand_ptr(ctx, &ptr, true);
+               if (!ptr.s)
+                       UCI_THROW(ctx, UCI_ERR_NOTFOUND);
+               UCI_INTERNAL(uci_reorder_section, ctx, ptr.s, strtoul(ptr.value, NULL, 10));
+               break;
        case UCI_CMD_RENAME:
                UCI_INTERNAL(uci_rename, ctx, &ptr);
                break;
@@ -160,7 +173,8 @@ static void uci_parse_history_line(struct uci_context *ctx, struct uci_package *
                break;
        case UCI_CMD_ADD:
        case UCI_CMD_CHANGE:
-               UCI_INTERNAL(uci_set, ctx, p, ptr.section, ptr.option, ptr.value, &e);
+               UCI_INTERNAL(uci_set, ctx, &ptr);
+               e = ptr.last;
                if (!ptr.option && e && (cmd == UCI_CMD_ADD))
                        uci_to_section(e)->anonymous = true;
                break;
@@ -225,7 +239,7 @@ done:
 }
 
 /* returns the number of changes that were successfully parsed */
-static int uci_load_history(struct uci_context *ctx, struct uci_package *p, bool flush)
+__private int uci_load_history(struct uci_context *ctx, struct uci_package *p, bool flush)
 {
        struct uci_element *e;
        char *filename = NULL;
@@ -249,7 +263,10 @@ static int uci_load_history(struct uci_context *ctx, struct uci_package *p, bool
        changes = uci_load_history_file(ctx, p, filename, &f, flush);
        if (flush && f && (changes > 0)) {
                rewind(f);
-               ftruncate(fileno(f), 0);
+               if (ftruncate(fileno(f), 0) < 0) {
+                       uci_close_stream(f);
+                       UCI_THROW(ctx, UCI_ERR_IO);
+               }
        }
        if (filename)
                free(filename);
@@ -307,7 +324,8 @@ static void uci_filter_history(struct uci_context *ctx, const char *name, const
 
        /* rebuild the history file */
        rewind(f);
-       ftruncate(fileno(f), 0);
+       if (ftruncate(fileno(f), 0) < 0)
+               UCI_THROW(ctx, UCI_ERR_IO);
        uci_foreach_element_safe(&list, tmp, e) {
                fprintf(f, "%s\n", e->name);
                uci_free_element(e);
@@ -317,7 +335,7 @@ static void uci_filter_history(struct uci_context *ctx, const char *name, const
 done:
        if (filename)
                free(filename);
-       uci_close_stream(f);
+       uci_close_stream(pctx->file);
        uci_foreach_element_safe(&list, tmp, e) {
                uci_free_element(e);
        }
@@ -331,7 +349,7 @@ int uci_revert(struct uci_context *ctx, struct uci_ptr *ptr)
        char *option = NULL;
 
        UCI_HANDLE_ERR(ctx);
-       expand_ptr(ctx, ptr, true);
+       expand_ptr(ctx, ptr, false);
        UCI_ASSERT(ctx, ptr->p->has_history);
 
        /* 
@@ -347,8 +365,10 @@ int uci_revert(struct uci_context *ctx, struct uci_ptr *ptr)
        /* NB: need to clone package, section and option names, 
         * as they may get freed on uci_free_package() */
        package = uci_strdup(ctx, ptr->p->e.name);
-       section = uci_strdup(ctx, ptr->section);
-       option = uci_strdup(ctx, ptr->option);
+       if (ptr->section)
+               section = uci_strdup(ctx, ptr->section);
+       if (ptr->option)
+               option = uci_strdup(ctx, ptr->option);
 
        uci_free_package(&ptr->p);
        uci_filter_history(ctx, package, section, option);
@@ -399,6 +419,17 @@ int uci_save(struct uci_context *ctx, struct uci_package *p)
        if ((asprintf(&filename, "%s/%s", ctx->savedir, p->e.name) < 0) || !filename)
                UCI_THROW(ctx, UCI_ERR_MEM);
 
+       uci_foreach_element(&ctx->hooks, tmp) {
+               struct uci_hook *hook = uci_to_hook(tmp);
+
+               if (!hook->ops->set)
+                       continue;
+
+               uci_foreach_element(&p->history, e) {
+                       hook->ops->set(hook->ops, p, uci_to_history(e));
+               }
+       }
+
        ctx->err = 0;
        UCI_TRAP_SAVE(ctx, done);
        f = uci_open_stream(ctx, filename, SEEK_END, true, true);
@@ -418,6 +449,9 @@ int uci_save(struct uci_context *ctx, struct uci_package *p)
                case UCI_CMD_ADD:
                        prefix = "+";
                        break;
+               case UCI_CMD_REORDER:
+                       prefix = "^";
+                       break;
                case UCI_CMD_LIST_ADD:
                        prefix = "|";
                        break;