1 files changed, 186 insertions, 0 deletions
diff --git a/Podium/p_log.h b/Podium/p_log.h
new file mode 100644
index 0000000..0f6ce6c
--- /dev/null
+++ b/Podium/p_log.h
@@ -0,0 +1,186 @@
+/*
+ * Logging!
+ */
+
+#include <stdlib.h>
+
+#ifdef DEBUG
+#define LOG_DEBUG(...) PRINTF(__VA_ARGS__)
+#else
+#define LOG_DEBUG(...) ((void)0)
+#endif
+
+/* fatal and error always enabled */
+#define PFATAL(message, ...) p_log_printf(P_LOG_LEVEL_FATAL, message, ##__VA_ARGS__)
+#define PERROR(message, ...) p_log_printf(P_LOG_LEVEL_ERROR, message, ##__VA_ARGS__)
+
+/* warn and info enabled by default but can be disabled */
+#define P_LOG_WARN_ENABLED 1
+#define P_LOG_INFO_ENABLED 1
+
+#if P_LOG_WARN_ENABLED == 1
+#define PWARN(message, ...) p_log_printf(P_LOG_LEVEL_WARN, message, ##__VA_ARGS__)
+#else
+#define PWARN(message, ...)
+#endif
+
+#if P_LOG_INFO_ENABLED == 1
+#define PINFO(message, ...) p_log_printf(P_LOG_LEVEL_INFO, message, ##__VA_ARGS__)
+#else 
+#define PINFO(message, ...)
+#endif
+
+#if P_LOG_DEBUG_ENABLED == 1
+#define PDEBUG(message, ...) p_log_printf(P_LOG_LEVEL_DEBUG, message, ##__VA_ARGS__)
+#else 
+#define PDEBUG(message, ...)
+#endif
+
+#if P_LOG_TRACE_ENABLED == 1
+#define PTRACE(message, ...) p_log_printf(P_LOG_LEVEL_TRACE, message, ##__VA_ARGS__)
+#else 
+#define PTRACE(message, ...)
+#endif
+
+typedef enum P_Log_Level {
+    P_LOG_LEVEL_FATAL = 0,
+    P_LOG_LEVEL_ERROR,
+    P_LOG_LEVEL_WARN,
+    P_LOG_LEVEL_INFO,
+    P_LOG_LEVEL_DEBUG,
+    P_LOG_LEVEL_TRACE,
+    P_COUNT_LOG_LEVEL
+} P_Log_Level;
+
+#define P_PREFIX_LEN 7
+static const char *p_prefix[P_COUNT_LOG_LEVEL] = {
+    [P_LOG_LEVEL_FATAL] = "[FATAL]",
+    [P_LOG_LEVEL_ERROR] = "[ERROR]",
+    [P_LOG_LEVEL_WARN]  = "[WARNI]",
+    [P_LOG_LEVEL_INFO]  = "[INFOR]",
+    [P_LOG_LEVEL_DEBUG] = "[DEBUG]",
+    [P_LOG_LEVEL_TRACE] = "[TRACE]",
+}; 
+
+#define P_MAX_ALLOCS 512
+
+typedef struct P_DebugMemoryInfo {
+    void *ptr;
+    size_t size;
+    const char *file;
+    const char *func;
+    int line;
+} P_DebugMemoryInfo;
+
+static uint64_t p_alloc_count = 0;
+static P_DebugMemoryInfo p_ptr_array[P_MAX_ALLOCS];
+
+static inline void *
+p_debug_malloc_impl(size_t size, const char *file, int line, const char *func)
+{
+    void *ptr = malloc(size);
+    printf("[ALLOC] %p (%zu bytes) -> %s:%d %s()\n", ptr, size, file, line, func);
+
+    if (ptr) {
+        if (p_alloc_count < P_MAX_ALLOCS) {
+            p_ptr_array[p_alloc_count++] = (P_DebugMemoryInfo){
+                .ptr = ptr,
+                .size = size,
+                .file = file,
+                .func = func,
+                .line = line
+            };
+        } else {
+            fprintf(stderr, "[ERROR] Debug allocator tracking capacity (%d) exceeded!\n", P_MAX_ALLOCS);
+        }
+    }
+    return ptr;
+}
+
+static inline void
+p_debug_free_impl(void *ptr, const char *file, int line, const char *func)
+{
+    printf("[FREE]  %p -> %s:%d %s()\n", ptr, file, line, func);
+
+    if (!ptr) return; // Standard C allows free(NULL)
+
+    bool found = false;
+    uint64_t index = 0;
+
+    /* Find allocation metadata */
+    for (index = 0; index < p_alloc_count; ++index) {
+        if (p_ptr_array[index].ptr == ptr) {
+            found = true;
+            break;
+        }
+    }
+
+    if (found) {
+        /* Shift array left to remove tracked struct */
+        for (uint64_t j = index; j < p_alloc_count - 1; ++j) {
+            p_ptr_array[j] = p_ptr_array[j + 1];
+        }
+        p_alloc_count--;
+    } else {
+        fprintf(stderr, "[WARNING] Attempted to free untracked/double-freed pointer %p at %s:%d %s()\n", 
+                ptr, file, line, func);
+    }
+
+    free(ptr);
+}
+
+static inline void *
+p_debug_realloc_impl(void *ptr, size_t size, const char *file, int line, const char *func)
+{
+    if (!ptr) {
+        return p_debug_malloc_impl(size, file, line, func);
+    }
+    if (size == 0) {
+        p_debug_free_impl(ptr, file, line, func);
+        return NULL;
+    }
+
+    void *new_ptr = realloc(ptr, size);
+    printf("[REALLOC] %p -> %p (%zu bytes) -> %s:%d %s()\n", ptr, new_ptr, size, file, line, func);
+
+    if (new_ptr) {
+        bool found = false;
+        for (uint64_t i = 0; i < p_alloc_count; ++i) {
+            if (p_ptr_array[i].ptr == ptr) {
+                p_ptr_array[i].ptr = new_ptr;
+                p_ptr_array[i].size = size;
+                p_ptr_array[i].file = file;
+                p_ptr_array[i].line = line;
+                p_ptr_array[i].func = func;
+                found = true;
+                break;
+            }
+        }
+        if (!found) {
+            if (p_alloc_count < P_MAX_ALLOCS) {
+                p_ptr_array[p_alloc_count++] = (P_DebugMemoryInfo){
+                    .ptr = new_ptr,
+                    .size = size,
+                    .file = file,
+                    .func = func,
+                    .line = line
+                };
+            }
+        }
+    }
+    return new_ptr;
+}
+
+static void
+p_debug_memory_report(void) 
+{
+    printf("\n==================== MEMORY REPORT ====================\n");
+    printf("Remaining unfreed allocations: %lu\n", (unsigned long)p_alloc_count);
+    
+    for (uint64_t i = 0; i < p_alloc_count; ++i) {
+        P_DebugMemoryInfo *info = &p_ptr_array[i];
+        printf("[LEAK] %p (%zu bytes) allocated at %s:%d in %s()\n", 
+               info->ptr, info->size, info->file, info->line, info->func);
+    }
+    printf("=======================================================\n");
+}