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-rw-r--r--src/build/vec.h95
1 files changed, 0 insertions, 95 deletions
diff --git a/src/build/vec.h b/src/build/vec.h
deleted file mode 100644
index 6dfa645..0000000
--- a/src/build/vec.h
+++ /dev/null
@@ -1,95 +0,0 @@
-/* This file is dedicated to the public domain. */
-
-#ifndef INC_VEC_H
-#define INC_VEC_H
-
-#include <errno.h>
-#include <stdlib.h>
-
-#include "../intdefs.h"
-
-struct _vec {
- uint sz;
- uint max;
- void *data;
-};
-
-/*
- * A dynamic array with push, pop and concatenate operations.
- *
- * Usage: struct VEC(my_type) myvec = {0};
- * Or: struct myvec VEC(my_type);
- * Or: typedef struct VEC(my_type) myvec;
- */
-#define VEC(type) { \
- uint sz; \
- uint max; \
- type *data; \
-}
-
-#if defined(__GNUC__) || defined(__clang__)
-__attribute__((unused)) // heck off gcc
-#endif
-static bool _vec_ensure(struct _vec *v, uint tsize, uint newmax) {
- // FIXME: potential overflow at least on 32-bit hosts (if any!?).
- // should use reallocarray or something but didn't feel like porting right
- // now. consider doing later.
- void *new = realloc(v->data, tsize * newmax);
- if (new) { v->data = new; v->max = newmax; }
- return !!new;
-}
-
-#if defined(__GNUC__) || defined(__clang__)
-__attribute__((unused)) // heck off gcc 2
-#endif
-static bool _vec_make_room(struct _vec *v, uint tsize, uint addcnt) {
- // this overflow check is probably unnecessary, but just in case
- u64 chk = v->max + addcnt;
- if (chk > 1u << 30) { errno = ENOMEM; return false; }
- u32 x = chk;
- if (x < 16) {
- x = 16;
- }
- else {
- // round up to next 2*n
- --x;
- x |= x >> 1; x |= x >> 2; x |= x >> 4; x |= x >> 8; x |= x >> 16;
- x++;
- }
- return _vec_ensure(v, tsize, x);
-}
-
-// internal: for reuse by vec0
-#define _vec_push(v, val, slack) ( \
- ((v)->sz + (slack) < (v)->max || \
- _vec_make_room((struct _vec *)(v), sizeof(val), 1)) && /*NOLINT*/ \
- ((v)->data[(v)->sz++ - slack] = (val), true) \
-)
-
-#define _vec_pushall(v, vals, n, slack) ( \
- ((v)->sz + (n) + (slack) <= (v)->max || \
- _vec_make_room((struct _vec *)(v), sizeof(*(vals)), (n))) && \
- (memcpy((v)->data + (v)->sz - (slack), (vals), (n) * sizeof(*(vals))), \
- (v)->sz += (n), true) \
-)
-
-/*
- * Appends an item to the end of a vector. Gives true on success and false if
- * memory allocation fails.
- */
-#define vec_push(v, val) _vec_push(v, val, 0)
-
-/*
- * Appends n items from an array to the end of a vector. Gives true on success
- * and false if memory allocation fails.
- */
-#define vec_pushall(v, vals, n) _vec_pushall(v, vals, n, 0)
-
-/*
- * Removes an item from the end of a vector and gives that item.
- */
-#define vec_pop(v) ((v)->data[--(v)->sz])
-
-#endif
-
-// vi: sw=4 ts=4 noet tw=80 cc=80