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authorThomas Voss <mail@thomasvoss.com> 2024-05-11 01:58:35 +0200
committerThomas Voss <mail@thomasvoss.com> 2024-05-11 01:58:35 +0200
commit587ccc983cf36fb9e00aa10ac32b58d0205aa96a (patch)
tree2e570c81e6160c2c7be46b720b4deeb1e853087f /include/dynarr.h
parent7d9c8cb5956cab41492c7b70011d7d637d4d2a4c (diff)
Go back to macros only, but they work now!
Diffstat (limited to 'include/dynarr.h')
-rw-r--r--include/dynarr.h47
1 files changed, 26 insertions, 21 deletions
diff --git a/include/dynarr.h b/include/dynarr.h
index 31d1e10..09dd41b 100644
--- a/include/dynarr.h
+++ b/include/dynarr.h
@@ -1,6 +1,7 @@
#ifndef MLIB_DYNARR_H
#define MLIB_DYNARR_H
+#include <stdbit.h>
#include <string.h>
#include "_alloc_fn.h"
@@ -14,31 +15,35 @@
void *ctx; \
}
-void *daextend(void *, void *, size_t, size_t, size_t);
-void *dagrow(void *, size_t, size_t, size_t);
-
-#define dapush(da, x) \
- ((typeof((da)->buf))(daextend)((da), (typeof(x)[1]){(x)}, 1, sizeof(x), \
- alignof(x)))
-
-#define daextend(da, xs, n) \
- ((typeof((da)->buf))daextend((da), (xs), (n), sizeof(*(xs)), \
- alignof(*(xs))))
-
-#define dagrow(da, n) \
- ((typeof((da)->buf))dagrow((da), (n), sizeof(*(da)->buf), \
- alignof(*(da)->buf)))
+#define DAPUSH(da, x) \
+ do { \
+ if (++(da)->len > (da)->cap) { \
+ size_t ncap = stdc_bit_ceil((da)->len); \
+ (da)->buf = (da)->alloc((da)->ctx, (da)->buf, (da)->cap, ncap, \
+ sizeof(*(da)->buf), alignof(*(da)->buf)); \
+ (da)->cap = ncap; \
+ } \
+ (da)->buf[(da)->len - 1] = (x); \
+ } while (false)
#define DAEXTEND(da, xs, n) \
do { \
- if ((da)->len + (n) >= (da)->cap) { \
- do \
- (da)->cap = (da)->cap ? (da)->cap * 2 : 1; \
- while ((da)->len + (n) >= (da)->cap); \
- (da)->buf = bufalloc((da)->buf, (da)->cap, sizeof(*(da)->buf)); \
+ if (((da)->len += (n)) > (da)->cap) { \
+ size_t ncap = stdc_bit_ceil((da)->len); \
+ (da)->buf = (da)->alloc((da)->ctx, (da)->buf, (da)->cap, ncap, \
+ sizeof(*(da)->buf), alignof(*(da)->buf)); \
+ (da)->cap = ncap; \
+ } \
+ memcpy((da)->buf + (da)->len - (n), (xs), (n) * sizeof(*(da)->buf)); \
+ } while (false)
+
+#define DAGROW(da, n) \
+ do { \
+ if ((n) > (da)->cap) { \
+ (da)->buf = (da)->alloc((da)->ctx, (da)->buf, (da)->cap, (n), \
+ sizeof(*(da)->buf), alignof(*(da)->buf)); \
+ (da)->cap = (n); \
} \
- memcpy((da)->buf + (da)->len, (xs), (n)); \
- (da)->len += (n); \
} while (false)
#define DAPOP(da) ((da)->buf[--(da)->len])