/*
* UCW Library -- A simple growing array of an arbitrary type
*
- * (c) 2010 Martin Mares <mj@ucw.cz>
+ * (c) 2010--2012 Martin Mares <mj@ucw.cz>
*/
#ifndef _UCW_GARY_H
size_t num_elts;
size_t have_space;
size_t elt_size;
+ int zeroed;
};
#define GARY_HDR_SIZE ALIGN_TO(sizeof(struct gary_hdr), CPU_STRUCT_ALIGN)
#define GARY_HDR(ptr) ((struct gary_hdr *)((byte*)(ptr) - GARY_HDR_SIZE))
#define GARY_BODY(ptr) ((byte *)(ptr) + GARY_HDR_SIZE)
-#define GARY_INIT(ptr, n) (ptr) = gary_init(sizeof(*(ptr)), (n))
+#define GARY_INIT(ptr, n) (ptr) = gary_init(sizeof(*(ptr)), (n), 0)
+#define GARY_INIT_ZERO(ptr, n) (ptr) = gary_init(sizeof(*(ptr)), (n), 1)
#define GARY_FREE(ptr) do { if (ptr) xfree(GARY_HDR(ptr)); } while (0)
#define GARY_SIZE(ptr) (GARY_HDR(ptr)->num_elts)
-#define GARY_SET_SIZE(ptr, n) (ptr) = gary_set_size((ptr), (n))
+#define GARY_RESIZE(ptr, n) ((ptr) = gary_set_size((ptr), (n)))
+#define GARY_INIT_OR_RESIZE(ptr, n) (ptr) = (ptr) ? gary_set_size((ptr), (n)) : gary_init(sizeof(*(ptr)), (n), 0)
#define GARY_PUSH(ptr, n) ({ \
struct gary_hdr *_h = GARY_HDR(ptr); \
#define GARY_FIX(ptr) (ptr) = gary_fix((ptr))
/* Internal functions */
-void *gary_init(size_t elt_size, size_t num_elts);
+void *gary_init(size_t elt_size, size_t num_elts, int zeroed);
void gary_free(void *array);
void *gary_set_size(void *array, size_t n);
void *gary_push_helper(void *array, size_t n, byte **cptr);