Added Initial Implementation of memory and allocation function

Signed-off-by: Marc Pervaz Boocha <mboocha@sudomsg.xyz>

On branch main
Your branch is up to date with 'origin/main'.

Changes to be committed:
      new file:   include/alloc.h
      new file:   include/calt.h
      new file:   include/mem.h
      new file:   include/meson.build
      new file:   meson.build
      new file:   meson_options.txt
      new file:   src/alloc/alloc.c
      new file:   src/alloc/calloc.c
      new file:   src/alloc/free.c
      new file:   src/alloc/malloc.c
      new file:   src/alloc/memdup.c
      new file:   src/alloc/meson.build
      new file:   src/alloc/realloc.c
      new file:   src/mem/memccpy.c
      new file:   src/mem/memchr.c
      new file:   src/mem/memcmp.c
      new file:   src/mem/memcpy.c
      new file:   src/mem/memhash.c
      new file:   src/mem/memlen.c
      new file:   src/mem/memmem.c
      new file:   src/mem/memmove.c
      new file:   src/mem/memrchr.c
      new file:   src/mem/memrev.c
      new file:   src/mem/memset.c
      new file:   src/mem/memswap.c
      new file:   src/mem/memzero.c
      new file:   src/mem/meson.build
      new file:   src/meson.build
      new file:   test/alloc/meson.build
      new file:   test/mem/memset.c
      new file:   test/mem/memzero.c
      new file:   test/mem/meson.build
      new file:   test/meson.build

1 files changed, 26 insertions, 0 deletions

diff --git a/src/alloc/alloc.c b/src/alloc/alloc.c
new file mode 100644
index 0000000..0ff8ff4
--- /dev/null
+++ b/src/alloc/alloc.c
@@ -0,0 +1,26 @@
+#include <alloc.h>
+#include <stdlib.h>
+
+static void* stdcalloc(size_t size){
+    return calloc(1, size);
+}
+
+static void* stdmalloc(size_t size){
+    return malloc(size);
+}
+
+static void* stdrealloc(void* ptr, size_t size){
+    return realloc(ptr, size);
+}
+
+static void stdfree(void* ptr){
+    free(ptr);
+}
+
+
+static struct calt_alloc alloc = {
+    .malloc = stdmalloc, .realloc = stdrealloc, .free = stdfree, .calloc = stdcalloc};
+
+void calt_use_custom_alloc(struct calt_alloc allocator) { alloc = allocator; }
+struct calt_alloc calt_get_alloc(void) { return alloc; }
+