diff options
| author | Thomas Voss <mail@thomasvoss.com> | 2022-12-31 02:31:24 +0100 |
|---|---|---|
| committer | Thomas Voss <mail@thomasvoss.com> | 2022-12-31 02:31:24 +0100 |
| commit | ded2768def4108e78eeb9f9bbefe5ea8dfa3a170 (patch) | |
| tree | 112bc7527b76609c210724d7d094fedf4776cf8d | |
| parent | 09925a143f29c390e0c539006b38bdca4955643a (diff) | |
Make vector lengths “public”
| -rw-r--r-- | examples/gevector.c | 11 | ||||
| -rw-r--r-- | src/gevector.h | 73 |
2 files changed, 48 insertions, 36 deletions
diff --git a/examples/gevector.c b/examples/gevector.c index df6212e..93a1960 100644 --- a/examples/gevector.c +++ b/examples/gevector.c @@ -9,19 +9,16 @@ int main(void) { ivec_t *vec = malloc(sizeof(ivec_t)); - ivec_new(vec, 2, 0); + ivec_new(vec, 3, 0); ivec_push(vec, 42); ivec_push(vec, 69); ivec_push(vec, 420); ivec_insert(vec, 1337, 2); - GEVECTOR_FOREACH(int, num, *vec) - printf("%d\n", num); + for (size_t i = 0; i < vec->len; i++) + printf("%d\n", ivec_get(vec, i)); - GEVECTOR_ENUMERATE(int, i, num, *vec) - printf("vec->data[%zu] == %d\n", i, num); - - free(vec->data); + ivec_free(vec); free(vec); } diff --git a/src/gevector.h b/src/gevector.h index 67f1aed..e36cf09 100644 --- a/src/gevector.h +++ b/src/gevector.h @@ -11,17 +11,21 @@ #define GEVECTOR_DEF_API(t, n) GEVECTOR_DEF_API_HELPER(t, n, n##_t) #define GEVECTOR_DEF_API_HELPER(t, n, n_t) \ typedef struct { \ - double gfac; \ - size_t cap; \ size_t len; \ - t *data; \ + double __gfac; \ + size_t __cap; \ + t *__data; \ } n_t; \ \ - int n##_new(n_t *, size_t, double); \ - int n##_push(n_t *, t); \ - int n##_insert(n_t *, t, size_t); \ - void n##_remove(n_t *, size_t); \ - int n##_resize(n_t *, size_t); + int n##_new(n_t *, size_t, double); \ + t n##_get(n_t *, size_t); \ + int n##_insert(n_t *, t, size_t); \ + int n##_push(n_t *, t); \ + t n##_pop(n_t *); \ + void n##_remove(n_t *, size_t); \ + int n##_resize(n_t *, size_t); \ + size_t n##_len(n_t *); \ + void n##_free(n_t *); #define GEVECTOR_DEF_IMPL(t, n) GEVECTOR_DEF_IMPL_HELPER(t, n, n##_t) #define GEVECTOR_DEF_IMPL_HELPER(t, n, n_t) \ @@ -29,12 +33,18 @@ n##_new(n_t *vec, size_t cap, double gfac) \ { \ *vec = (n_t) { \ - .gfac = gfac == 0 ? 1.5f : gfac, \ - .cap = cap == 0 ? 16 : cap, \ - .len = 0, \ - .data = calloc(cap == 0 ? 16 : cap, sizeof(t)) \ + .len = 0, \ + .__gfac = gfac == 0 ? 1.5f : gfac, \ + .__cap = cap == 0 ? 16 : cap, \ }; \ - return vec->data == NULL ? -1 : 0; \ + vec->__data = malloc(vec->__cap * sizeof(t)); \ + return vec->__data == NULL ? -1 : 0; \ + } \ + \ + t \ + n##_get(n_t *vec, size_t i) \ + { \ + return vec->__data[i]; \ } \ \ int \ @@ -42,20 +52,26 @@ { \ return n##_insert(vec, elem, vec->len); \ } \ + \ + t \ + n##_pop(n_t *vec) \ + { \ + return vec->__data[--vec->len]; \ + } \ \ int \ n##_insert(n_t *vec, t elem, size_t i) \ { \ - if (vec->len == vec->cap) { \ - size_t ncap = (size_t) (vec->cap * vec->gfac); \ - if (ncap == vec->cap) \ + if (vec->len == vec->__cap) { \ + size_t ncap = (size_t) (vec->__cap * vec->__gfac); \ + if (ncap == vec->__cap) \ ncap++; \ if (n##_resize(vec, ncap) == -1) \ return -1; \ } \ for (size_t j = vec->len; j > i; j--) \ - vec->data[j] = vec->data[j - 1]; \ - vec->data[i] = elem; \ + vec->__data[j] = vec->__data[j - 1]; \ + vec->__data[i] = elem; \ vec->len++; \ return 0; \ } \ @@ -64,25 +80,24 @@ n##_remove(n_t *vec, size_t i) \ { \ for (size_t j = i; j < vec->len - 1; j++) \ - vec->data[j] = vec->data[j + 1]; \ + vec->__data[j] = vec->__data[j + 1]; \ vec->len--; \ } \ \ int \ n##_resize(n_t *vec, size_t ncap) \ { \ - vec->data = realloc(vec->data, sizeof(t) * ncap); \ - if (vec->data == NULL) \ + vec->__data = realloc(vec->__data, sizeof(t) * ncap); \ + if (vec->__data == NULL) \ return -1; \ - vec->cap = ncap; \ + vec->__cap = ncap; \ return 0; \ + } \ + \ + void \ + n##_free(n_t *vec) \ + { \ + free(vec->__data); \ } -#define GEVECTOR_ENUMERATE(t, i, e, v) \ - for (bool __ge_c = true; __ge_c; __ge_c = false) \ - for (t e = (v).data[0]; __ge_c; __ge_c = false) \ - for (size_t i = 0; i < (v).len; e = (v).data[++i]) - -#define GEVECTOR_FOREACH(t, e, v) GEVECTOR_ENUMERATE(t, __ge_i, e, v) - #endif /* !LIBGE_GEVECTOR_H */ |