From 0e430f3dd52e57d19ac6defa823d0a2f4dd86270 Mon Sep 17 00:00:00 2001
From: Mineplay <tristanfranssen@strawhats.nl>
Date: Wed, 23 Apr 2025 05:33:10 -0500
Subject: [PATCH] feat(stack): added push function to stack

---
 Include/Fledasty/Core/Stack.h |  2 ++
 Src/Core/Stack.c              | 20 ++++++++++++++++++++
 Tests/Main.c                  |  4 ++++
 3 files changed, 26 insertions(+)

diff --git a/Include/Fledasty/Core/Stack.h b/Include/Fledasty/Core/Stack.h
index c3977a6..d117836 100644
--- a/Include/Fledasty/Core/Stack.h
+++ b/Include/Fledasty/Core/Stack.h
@@ -37,6 +37,8 @@ typedef struct {
 FledastyError fledasty_stack_initialize(FledastyStack *new_stack, const size_t element_byte_size);
 FledastyError fledasty_stack_destroy(FledastyStack *current_stack);
 
+FledastyError fledasty_stack_push(FledastyStack *current_stack, void *value);
+
 static inline size_t fledasty_stack_is_empty(const FledastyStack *current_stack) { return current_stack->size == 0; }
 
 #endif
\ No newline at end of file
diff --git a/Src/Core/Stack.c b/Src/Core/Stack.c
index 1938d7a..6c6090c 100644
--- a/Src/Core/Stack.c
+++ b/Src/Core/Stack.c
@@ -54,5 +54,25 @@ FledastyError fledasty_stack_destroy(FledastyStack *current_stack) {
     }
 
     current_stack->buffer = NULL;
+    return FLEDASTY_ERROR_NONE;
+}
+
+FledastyError fledasty_stack_push(FledastyStack *current_stack, void *value) {
+    if (current_stack == NULL || value == NULL) {
+        return FLEDASTY_ERROR_INVALID_POINTER;
+    }
+
+    if (current_stack->size == current_stack->capacity) {
+        current_stack->capacity = current_stack->capacity + (current_stack->capacity / 2);
+        current_stack->buffer = (unsigned char*)hallocy_realloc(current_stack->buffer, current_stack->capacity);
+
+        if (current_stack->buffer == NULL) {
+            return FLEDASTY_ERROR_FAILED_ALLOCATION;
+        }
+    }
+
+    hallocy_copy_memory(current_stack->buffer + (current_stack->size * current_stack->element_byte_size), value, current_stack->element_byte_size);
+    current_stack->size += 1;
+    
     return FLEDASTY_ERROR_NONE;
 }
\ No newline at end of file
diff --git a/Tests/Main.c b/Tests/Main.c
index 7a53313..b31e9fa 100644
--- a/Tests/Main.c
+++ b/Tests/Main.c
@@ -48,6 +48,10 @@ int main() {
     FledastyStack test_stack;
     fledasty_stack_initialize(&test_stack, sizeof(int));
 
+    for (int i = 0; i < 10; i += 1) {
+        fledasty_stack_push(&test_stack, &i);
+    }
+
     if (fledasty_stack_is_empty(&test_stack)) {
         printf("Stack is empty\n");
     }