Very cool and useful memory autism

FossilOrigin-Name: 190c1b16d26a67e361d2666e795734667ce9bb12ba4c234af0a1c1b70d06b040

src/memory.c

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+/*
+ * Treebird - Lightweight frontend for Pleroma
+ * Copyright (C) 2022 Nekobit
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <malloc.h>
+#include "memory.h"
+
+#ifdef __GLIBC__
+#include <malloc.h>
+#endif 
+
+int tb_memory_allocated_est;
+int tb_memory_allocated;
+int tb_memory_free;
+
+int tb_memory_times_allocated;
+int tb_memory_times_freed;
+
+#ifdef __GLIBC__
+void propagate_memory()
+{
+    struct mallinfo2 inf = mallinfo2();
+
+    tb_memory_free = inf.fordblks;
+    tb_memory_allocated = inf.uordblks;
+}
+#endif // __GLIBC__
+
+void* tb_malloc(size_t size)
+{
+    tb_memory_allocated_est += size;
+    ++tb_memory_times_allocated;
+    return malloc(size);
+}
+
+// Nothing....
+void* tb_calloc(size_t nmemb, size_t size)
+{
+    tb_memory_allocated_est += size * nmemb;
+    return calloc(nmemb, size);
+}
+
+void* tb_realloc(void* ptr, size_t size)
+{
+    tb_memory_allocated_est += size;
+    return realloc(ptr, size);
+}
+
+void tb_free(void* ptr)
+{
+    ++tb_memory_times_freed;
+    free(ptr);
+}

src/memory.h

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+/*
+ * Treebird - Lightweight frontend for Pleroma
+ * Copyright (C) 2022 Nekobit
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/* Everything seen here is info for the super curious, and does not really
+   have anything to do with Treebird :-) */
+
+#ifndef TREEBIRD_MEMSTUF_H
+#define TREEBIRD_MEMSTUF_H
+#include <stdlib.h>
+
+extern int tb_memory_allocated_est;
+extern int tb_memory_allocated;
+extern int tb_memory_free;
+
+extern int tb_memory_times_allocated;
+extern int tb_memory_times_freed;
+
+#if 0
+#define tb_malloc malloc
+#define tb_calloc calloc
+#define tb_realloc realloc
+#define tb_free free
+#endif // Nothing
+
+void* tb_malloc(size_t size);
+void* tb_calloc(size_t nmemb, size_t size);
+void* tb_realloc(void* ptr, size_t size);
+void tb_free(void* ptr);
+
+#ifdef __GLIBC__
+void propagate_memory();
+#else
+#define propagate_memory() ;
+#endif
+
+#endif // TREEBIRD_MEMSTUF_H