From d5a727a062e4d727491f4e7f047269d60a93a8cf Mon Sep 17 00:00:00 2001
From: Mitya Selivanov <automainint@guattari.tech>
Date: Sun, 17 Nov 2024 05:24:04 +0100
Subject: Remove lots of dependencies

---
 kit/allocator.c | 199 --------------------------------------------------------
 1 file changed, 199 deletions(-)
 delete mode 100644 kit/allocator.c

(limited to 'kit/allocator.c')

diff --git a/kit/allocator.c b/kit/allocator.c
deleted file mode 100644
index 9fd7bad..0000000
--- a/kit/allocator.c
+++ /dev/null
@@ -1,199 +0,0 @@
-#include "allocator.h"
-
-#include <assert.h>
-#include <string.h>
-
-#ifndef KIT_DISABLE_SYSTEM_MALLOC
-#  include <stdlib.h>
-#endif
-
-static void *kit_allocate_default_(i32 request, i64 size,
-                                   i64 previous_size, void *pointer) {
-#ifndef KIT_DISABLE_SYSTEM_MALLOC
-  switch (request) {
-    case KIT_ALLOCATE:
-    case KIT_ALLOCATE_ZERO: {
-      assert(size >= 0);
-      assert(previous_size == 0);
-      assert(pointer == NULL);
-
-      if (size <= 0)
-        return NULL;
-
-      void *p = malloc(size);
-
-      if (p != NULL && request == KIT_ALLOCATE_ZERO)
-        memset(p, 0, size);
-
-      return p;
-    }
-
-    case KIT_REALLOCATE:
-    case KIT_REALLOCATE_ZERO: {
-      assert(size >= 0);
-      assert(previous_size != 0 || pointer == NULL);
-      assert(previous_size == 0 || pointer != NULL);
-
-      if (previous_size == 0 && pointer != NULL)
-        return NULL;
-      if (previous_size != 0 && pointer == NULL)
-        return NULL;
-      if (size == previous_size)
-        return pointer;
-
-      u8 *p = NULL;
-
-      if (size > 0) {
-        p = (u8 *) malloc(size);
-
-        if (p != NULL) {
-          if (size > 0 && previous_size > 0)
-            memcpy(p, pointer,
-                   size < previous_size ? size : previous_size);
-          if (request == KIT_REALLOCATE_ZERO && size > previous_size)
-            memset(p + previous_size, 0, size - previous_size);
-        }
-      }
-
-      free(pointer);
-
-      return p;
-    }
-
-    case KIT_DEALLOCATE:
-      assert(size == 0);
-      assert(pointer != NULL);
-      if (pointer != NULL)
-        free(pointer);
-      return NULL;
-
-    case KIT_DEALLOCATE_ALL:
-      //  Do nothing.
-      //
-      return NULL;
-
-    default:;
-  }
-#endif
-
-  assert(0);
-  return NULL;
-}
-
-static void *kit_allocate_from_buffer_(kit_allocator_t *alloc,
-                                       i32 request, i64 size,
-                                       i64   previous_size,
-                                       void *pointer) {
-  assert(alloc != NULL);
-  assert(pointer == NULL || pointer < alloc->data);
-
-  if (alloc == NULL)
-    return NULL;
-
-  switch (request) {
-    case KIT_ALLOCATE:
-    case KIT_ALLOCATE_ZERO: {
-      assert(size >= 0);
-      assert(previous_size == 0);
-      assert(pointer == NULL);
-
-      if (size <= 0)
-        return NULL;
-
-      if (alloc->size < size)
-        return NULL;
-
-      void *p = alloc->data;
-      alloc->bytes += size;
-      alloc->size -= size;
-
-      if (request == KIT_ALLOCATE_ZERO)
-        memset(p, 0, size);
-
-      return p;
-    }
-
-    case KIT_REALLOCATE:
-    case KIT_REALLOCATE_ZERO: {
-      assert(size >= 0);
-      assert(previous_size != 0 || pointer == NULL);
-      assert(previous_size == 0 || pointer != NULL);
-
-      if (size <= 0)
-        return NULL;
-      if (size <= previous_size)
-        return pointer;
-      if (previous_size == 0 && pointer != NULL)
-        return NULL;
-      if (previous_size != 0 && pointer == NULL)
-        return NULL;
-
-      if ((u8 *) pointer + previous_size == alloc->data) {
-        if (alloc->size < size - previous_size)
-          return NULL;
-        alloc->bytes += size - previous_size;
-        alloc->size -= size - previous_size;
-        return pointer;
-      }
-
-      if (alloc->size < size)
-        return NULL;
-
-      u8 *p = alloc->bytes;
-      alloc->bytes += size;
-      alloc->size -= size;
-
-      if (previous_size > 0)
-        memcpy(p, pointer, previous_size);
-      if (request == KIT_REALLOCATE_ZERO)
-        memset(p + previous_size, 0, size - previous_size);
-
-      return p;
-    }
-
-    case KIT_DEALLOCATE:
-    case KIT_DEALLOCATE_ALL: return NULL;
-
-    default:;
-  }
-
-  assert(0);
-  return NULL;
-}
-
-#ifndef KIT_ENABLE_CUSTOM_ALLOC_DISPATCH
-void *kit_alloc_dispatch(kit_allocator_t *alloc, i32 request,
-                         i64 size, i64 previous_size, void *pointer) {
-  if (alloc == NULL)
-    return kit_allocate_default_(request, size, previous_size,
-                                 pointer);
-
-  switch (alloc->type) {
-    case KIT_ALLOC_TYPE_DEFAULT:
-      return kit_allocate_default_(request, size, previous_size,
-                                   pointer);
-
-    case KIT_ALLOC_TYPE_BUFFER:
-      return kit_allocate_from_buffer_(alloc, request,
-                                       //  alignment
-                                       ((size + 7) / 8) * 8,
-                                       previous_size, pointer);
-
-    default:;
-  }
-
-  return NULL;
-}
-#endif
-
-kit_allocator_t kit_alloc_default(void) {
-  return (kit_allocator_t) { .type = KIT_ALLOC_TYPE_DEFAULT,
-                             .size = 0,
-                             .data = NULL };
-}
-
-kit_allocator_t kit_alloc_buffer(i64 size, void *buffer) {
-  return (kit_allocator_t) { .type = KIT_ALLOC_TYPE_BUFFER,
-                             .size = size,
-                             .data = buffer };
-}
-- 
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