diff options
Diffstat (limited to 'lib/item.c')
-rw-r--r-- | lib/item.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/lib/item.c b/lib/item.c new file mode 100644 index 0000000..f2a879a --- /dev/null +++ b/lib/item.c @@ -0,0 +1,96 @@ +#include "internal.h" +#include <stdlib.h> +#include <assert.h> +#include <string.h> + +/** + * Allocate a new item. + * + * @param text Pointer to null terminated C "string", can be **NULL** for empty text. + * @return bmItem for new item instance, **NULL** if creation failed. + */ +bmItem* bmItemNew(const char *text) +{ + bmItem *item = calloc(1, sizeof(bmItem)); + + if (!item) + return NULL; + + bmItemSetText(item, text); + return item; +} + +/** + * Release bmItem instance. + * + * @param item bmItem instance to be freed from memory. + */ +void bmItemFree(bmItem *item) +{ + assert(item); + + if (item->text) + free(item->text); + + free(item); +} + +/** + * Set userdata pointer to bmItem instance. + * Userdata will be carried unmodified by the instance. + * + * @param item bmItem instance where to set userdata pointer. + * @param userdata Pointer to userdata. + */ +void bmItemSetUserdata(bmItem *item, void *userdata) +{ + assert(item); + item->userdata = userdata; +} + +/** + * Get userdata pointer from bmItem instance. + * + * @param item bmItem instance which userdata pointer to get. + * @return Pointer for unmodified userdata. + */ +void* bmItemGetUserdata(bmItem *item) +{ + assert(item); + return item->userdata; +} + +/** + * Set text to bmItem instance. + * + * @param item bmItem instance where to set text. + * @param text C "string" to set as text, can be **NULL** for empty text. + */ +int bmItemSetText(bmItem *item, const char *text) +{ + assert(item); + + char *copy = NULL; + if (text && !(copy = _bmStrdup(text))) + return 0; + + if (item->text) + free(item->text); + + item->text = copy; + return 1; +} + +/** + * Get text from bmItem instance. + * + * @param item bmItem instance where to get text from. + * @return Pointer to null terminated C "string", can be **NULL** for empty text. + */ +const char* bmItemGetText(const bmItem *item) +{ + assert(item); + return item->text; +} + +/* vim: set ts=8 sw=4 tw=0 :*/ |