From: Felix Fietkau Date: Sat, 9 Feb 2008 15:48:43 +0000 (+0100) Subject: remove accidentally committed junk X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=20925c2795005338ae4de0149201f406ba7e6786;p=oweals%2Fuci.git remove accidentally committed junk --- diff --git a/; b/; deleted file mode 100644 index 5493471..0000000 --- a/; +++ /dev/null @@ -1,475 +0,0 @@ -/* - * libuci - Library for the Unified Configuration Interface - * Copyright (C) 2008 Felix Fietkau - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 2.1 - * as published by the Free Software Foundation - * - * 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. - */ - -#include - -/* initialize a list head/item */ -static inline void uci_list_init(struct uci_list *ptr) -{ - ptr->prev = ptr; - ptr->next = ptr; -} - -/* inserts a new list entry after a given entry */ -static inline void uci_list_insert(struct uci_list *list, struct uci_list *ptr) -{ - list->next->prev = ptr; - ptr->prev = list; - ptr->next = list->next; - list->next = ptr; -} - -/* inserts a new list entry at the tail of the list */ -static inline void uci_list_add(struct uci_list *head, struct uci_list *ptr) -{ - /* NB: head->prev points at the tail */ - uci_list_insert(head->prev, ptr); -} - -static inline void uci_list_del(struct uci_list *ptr) -{ - struct uci_list *next, *prev; - - next = ptr->next; - prev = ptr->prev; - - prev->next = next; - next->prev = prev; - - uci_list_init(ptr); -} - -/* - * uci_alloc_generic allocates a new uci_element with payload - * payload is appended to the struct to save memory and reduce fragmentation - */ -static struct uci_element * -uci_alloc_generic(struct uci_context *ctx, int type, const char *name, int size) -{ - struct uci_element *e; - int datalen = size; - void *ptr; - - ptr = uci_malloc(ctx, datalen); - e = (struct uci_element *) ptr; - e->type = type; - if (name) { - UCI_TRAP_SAVE(ctx, error); - e->name = uci_strdup(ctx, name); - UCI_TRAP_RESTORE(ctx); - } - uci_list_init(&e->list); - goto done; - -error: - free(ptr); - UCI_THROW(ctx, ctx->errno); - -done: - return e; -} - -static void -uci_free_element(struct uci_element *e) -{ - if (e->name) - free(e->name); - if (!uci_list_empty(&e->list)) - uci_list_del(&e->list); - free(e); -} - -static struct uci_option * -uci_alloc_option(struct uci_section *s, const char *name, const char *value) -{ - struct uci_package *p = s->package; - struct uci_context *ctx = p->ctx; - struct uci_option *o; - - o = uci_alloc_element(ctx, option, name, strlen(value) + 1); - o->value = uci_dataptr(o); - o->section = s; - strcpy(o->value, value); - uci_list_add(&s->options, &o->e.list); - - return o; -} - -static inline void -uci_free_option(struct uci_option *o) -{ - if ((o->value != uci_dataptr(o)) && - (o->value != NULL)) - free(o->value); - uci_free_element(&o->e); -} - -static struct uci_section * -uci_alloc_section(struct uci_package *p, const char *type, const char *name) -{ - struct uci_context *ctx = p->ctx; - struct uci_section *s; - - if (name && !name[0]) - name = NULL; - - s = uci_alloc_element(ctx, section, name, strlen(type) + 1); - uci_list_init(&s->options); - s->type = uci_dataptr(s); - s->package = p; - strcpy(s->type, type); - if (name == NULL) - s->anonymous = true; - - uci_list_add(&p->sections, &s->e.list); - - return s; -} - -static void -uci_free_section(struct uci_section *s) -{ - struct uci_element *o, *tmp; - - uci_foreach_element_safe(&s->options, tmp, o) { - uci_free_option(uci_to_option(o)); - } - if ((s->type != uci_dataptr(s)) && - (s->type != NULL)) - free(s->type); - uci_free_element(&s->e); -} - -static struct uci_package * -uci_alloc_package(struct uci_context *ctx, const char *name) -{ - struct uci_package *p; - - p = uci_alloc_element(ctx, package, name, 0); - p->ctx = ctx; - uci_list_init(&p->sections); - uci_list_init(&p->history); - uci_list_init(&p->saved_history); - return p; -} - -static void -uci_free_package(struct uci_package **package) -{ - struct uci_element *e, *tmp; - struct uci_package *p = *package; - - if(!p) - return; - - if (p->path) - free(p->path); - uci_foreach_element_safe(&p->sections, tmp, e) { - uci_free_section(uci_to_section(e)); - } - uci_foreach_element_safe(&p->history, tmp, e) { - uci_free_history(uci_to_history(e)); - } - uci_foreach_element_safe(&p->saved_history, tmp, e) { - uci_free_history(uci_to_history(e)); - } - uci_free_element(&p->e); - *package = NULL; -} - -static struct uci_element *uci_lookup_list(struct uci_context *ctx, struct uci_list *list, const char *name) -{ - struct uci_element *e; - - uci_foreach_element(list, e) { - if (!strcmp(e->name, name)) - return e; - } - return NULL; -} - -int uci_lookup(struct uci_context *ctx, struct uci_element **res, struct uci_package *p, char *section, char *option) -{ - struct uci_element *e; - struct uci_section *s; - - UCI_HANDLE_ERR(ctx); - UCI_ASSERT(ctx, res != NULL); - UCI_ASSERT(ctx, p != NULL); - UCI_ASSERT(ctx, uci_validate_name(section)); - if (option) - UCI_ASSERT(ctx, uci_validate_name(option)); - - e = uci_lookup_list(ctx, &p->sections, section); - if (!e) - goto notfound; - - if (option) { - s = uci_to_section(e); - e = uci_lookup_list(ctx, &s->options, option); - if (!e) - goto notfound; - } - - *res = e; - return 0; - -notfound: - UCI_THROW(ctx, UCI_ERR_NOTFOUND); - return 0; -} - -int uci_del_element(struct uci_context *ctx, struct uci_element *e) -{ - /* NB: UCI_INTERNAL use means without history tracking */ - bool internal = ctx->internal; - struct uci_package *p = NULL; - struct uci_section *s = NULL; - struct uci_option *o = NULL; - struct uci_element *i, *tmp; - char *option = NULL; - - UCI_HANDLE_ERR(ctx); - UCI_ASSERT(ctx, e != NULL); - - switch(e->type) { - case UCI_TYPE_SECTION: - s = uci_to_section(e); - uci_foreach_element_safe(&s->options, tmp, i) { - uci_del_element(ctx, i); - } - break; - case UCI_TYPE_OPTION: - o = uci_to_option(e); - s = o->section; - p = s->package; - option = e->name; - break; - default: - UCI_THROW(ctx, UCI_ERR_INVAL); - break; - } - - p = s->package; - if (!internal && p->confdir) - uci_add_history(ctx, &p->history, UCI_CMD_REMOVE, s->e.name, option, NULL); - - switch(e->type) { - case UCI_TYPE_SECTION: - uci_free_section(s); - break; - case UCI_TYPE_OPTION: - uci_free_option(o); - break; - default: - break; - } - return 0; -} - -int uci_set_element_value(struct uci_context *ctx, struct uci_element **element, char *value) -{ - /* NB: UCI_INTERNAL use means without history tracking */ - bool internal = ctx->internal; - struct uci_list *list; - struct uci_element *e; - struct uci_package *p; - struct uci_section *s; - char *section; - char *option; - char *str; - int size; - - UCI_HANDLE_ERR(ctx); - UCI_ASSERT(ctx, (element != NULL) && (*element != NULL)); - - /* what the 'value' of an element means depends on the type - * for a section, the 'value' means its type - * for an option, the 'value' means its value string - * when changing the value, shrink the element to its actual size - * (it may have been allocated with a bigger size, to include - * its buffer) - * then duplicate the string passed on the command line and - * insert it into the structure. - */ - e = *element; - list = e->list.prev; - switch(e->type) { - case UCI_TYPE_SECTION: - UCI_ASSERT(ctx, uci_validate_str(value, false)); - size = sizeof(struct uci_section); - s = uci_to_section(e); - section = e->name; - option = NULL; - break; - case UCI_TYPE_OPTION: - UCI_ASSERT(ctx, value != NULL); - size = sizeof(struct uci_option); - s = uci_to_option(e)->section; - section = s->e.name; - option = e->name; - break; - default: - UCI_THROW(ctx, UCI_ERR_INVAL); - return 0; - } - p = s->package; - if (!internal && p->confdir) - uci_add_history(ctx, &p->history, UCI_CMD_CHANGE, section, option, value); - - uci_list_del(&e->list); - e = uci_realloc(ctx, e, size); - str = uci_strdup(ctx, value); - uci_list_insert(list, &e->list); - *element = e; - - switch(e->type) { - case UCI_TYPE_SECTION: - uci_to_section(e)->type = str; - break; - case UCI_TYPE_OPTION: - uci_to_option(e)->value = str; - break; - default: - break; - } - - return 0; -} - -int uci_rename(struct uci_context *ctx, struct uci_package *p, char *section, char *option, char *name) -{ - /* NB: UCI_INTERNAL use means without history tracking */ - bool internal = ctx->internal; - struct uci_element *e; - - UCI_HANDLE_ERR(ctx); - - /* NB: p, section, option validated by uci_lookup */ - UCI_INTERNAL(uci_lookup, ctx, &e, p, section, option); - - if (!internal && p->confdir) - uci_add_history(ctx, &p->history, UCI_CMD_RENAME, section, option, name); - - name = uci_strdup(ctx, name); - if (e->name) - free(e->name); - e->name = name; - - return 0; -} - - -int uci_delete(struct uci_context *ctx, struct uci_package *p, char *section, char *option) -{ - /* NB: pass on internal flag to uci_del_element */ - bool internal = ctx->internal; - struct uci_element *e; - - UCI_HANDLE_ERR(ctx); - - /* NB: p, section, option validated by uci_lookup */ - UCI_INTERNAL(uci_lookup, ctx, &e, p, section, option); - - ctx->internal = internal; - return uci_del_element(ctx, e); -} - -int uci_set(struct uci_context *ctx, struct uci_package *p, char *section, char *option, char *value, struct uci_element *res) -{ - /* NB: UCI_INTERNAL use means without history tracking */ - bool internal = ctx->internal; - struct uci_element *e = NULL; - struct uci_section *s = NULL; - struct uci_option *o = NULL; - - UCI_HANDLE_ERR(ctx); - UCI_ASSERT(ctx, p != NULL); - UCI_ASSERT(ctx, uci_validate_name(section)); - if (option) { - UCI_ASSERT(ctx, uci_validate_name(option)); - UCI_ASSERT(ctx, value != NULL); - } else { - UCI_ASSERT(ctx, uci_validate_str(value, false)); - } - - /* - * look up the package, section and option (if set) - * if the section/option is to be modified and it is not found - * create a new element in the appropriate list - */ - e = uci_lookup_list(ctx, &p->sections, section); - if (!e) - goto notfound; - - s = uci_to_section(e); - if (ctx->pctx && ctx->pctx->merge) - ctx->pctx->section = s; - - if (option) { - e = uci_lookup_list(ctx, &s->options, option); - if (!e) - goto notfound; - o = uci_to_option(e); - } - - /* - * no unknown element was supplied, assume that we can just update - * an existing entry - */ - if (o) - e = &o->e; - else - e = &s->e; - if (res) - *res = e; - else - res = &e; - - ctx->internal = internal; - return uci_set_element_value(ctx, res, value); - -notfound: - /* - * the entry that we need to update was not found, - * check if the search failed prematurely. - * this can happen if the package was not found, or if - * an option was supplied, but the section wasn't found - */ - if (!p || (!s && option)) - UCI_THROW(ctx, UCI_ERR_NOTFOUND); - - /* now add the missing entry */ - if (!internal && p->confdir) - uci_add_history(ctx, &p->history, UCI_CMD_ADD, section, option, value); - if (s) - uci_alloc_option(s, option, value); - else { - s = uci_alloc_section(p, value, section); - if (ctx->pctx && ctx->pctx->merge) - ctx->pctx->section = s; - } - - return 0; -} - -int uci_unload(struct uci_context *ctx, struct uci_package *p) -{ - UCI_HANDLE_ERR(ctx); - UCI_ASSERT(ctx, p != NULL); - - uci_free_package(&p); - return 0; -} -