diff options
Diffstat (limited to 'src/array.h')
| -rw-r--r-- | src/array.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/src/array.h b/src/array.h index 2d77c71a0..1d4e1c224 100644 --- a/src/array.h +++ b/src/array.h @@ -30,37 +30,45 @@ #define git_array_init(a) \ do { (a).size = (a).asize = 0; (a).ptr = NULL; } while (0) +#define git_array_init_to_size(a, desired) \ + do { (a).size = 0; (a).asize = desired; (a).ptr = git__calloc(desired, sizeof(*(a).ptr)); } while (0) + #define git_array_clear(a) \ do { git__free((a).ptr); git_array_init(a); } while (0) #define GITERR_CHECK_ARRAY(a) GITERR_CHECK_ALLOC((a).ptr) -typedef git_array_t(void) git_array_generic_t; +typedef git_array_t(char) git_array_generic_t; /* use a generic array for growth so this can return the new item */ -GIT_INLINE(void *) git_array_grow(git_array_generic_t *a, size_t item_size) +GIT_INLINE(void *) git_array_grow(void *_a, size_t item_size) { + git_array_generic_t *a = _a; uint32_t new_size = (a->size < 8) ? 8 : a->asize * 3 / 2; - void *new_array = git__realloc(a->ptr, new_size * item_size); + char *new_array = git__realloc(a->ptr, new_size * item_size); if (!new_array) { git_array_clear(*a); return NULL; } else { a->ptr = new_array; a->asize = new_size; a->size++; - return (((char *)a->ptr) + (a->size - 1) * item_size); + return a->ptr + (a->size - 1) * item_size; } } #define git_array_alloc(a) \ - ((a).size >= (a).asize) ? \ - git_array_grow((git_array_generic_t *)&(a), sizeof(*(a).ptr)) : \ - (a).ptr ? &(a).ptr[(a).size++] : NULL + (((a).size >= (a).asize) ? \ + git_array_grow(&(a), sizeof(*(a).ptr)) : \ + ((a).ptr ? &(a).ptr[(a).size++] : NULL)) #define git_array_last(a) ((a).size ? &(a).ptr[(a).size - 1] : NULL) +#define git_array_pop(a) ((a).size ? &(a).ptr[--(a).size] : NULL) + #define git_array_get(a, i) (((i) < (a).size) ? &(a).ptr[(i)] : NULL) #define git_array_size(a) (a).size +#define git_array_valid_index(a, i) ((i) < (a).size) + #endif |