From 2ae5e5b31a943719083dd64ee24c4200220f7ff0 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Thu, 18 Feb 2021 21:04:50 +0100
Subject: Switched to default lodepng version

This should be a bit faster and less buggy
---
 libc/inc/def.h |  3 +++
 libc/inc/mem.h |  1 +
 libc/mem.c     | 20 ++++++++++++++++++++
 3 files changed, 24 insertions(+)

(limited to 'libc')

diff --git a/libc/inc/def.h b/libc/inc/def.h
index a6e3210..02a2990 100644
--- a/libc/inc/def.h
+++ b/libc/inc/def.h
@@ -36,6 +36,9 @@ typedef unsigned long long u64;
 #define S32_MAX 2147483647
 #define S32_MIN -2147483648
 
+#define LONG_MAX S32_MAX
+#define LONG_MIN S32_MIN
+
 #define MILLION 1000000
 #define BILLION 1000000000
 #define TRILLION 1000000000000
diff --git a/libc/inc/mem.h b/libc/inc/mem.h
index 216b939..0498d8c 100644
--- a/libc/inc/mem.h
+++ b/libc/inc/mem.h
@@ -11,6 +11,7 @@ void *malloc_debug(u32 size, const char *file, int line, const char *func, const
 void free_debug(void *ptr, const char *file, int line, const char *func, const char *inp);
 #define malloc(size) malloc_debug(size, __FILE__, __LINE__, __func__, #size)
 #define free(ptr) free_debug(ptr, __FILE__, __LINE__, __func__, #ptr)
+void *realloc(void *ptr, u32 size);
 void *zalloc(u32 size);
 
 #ifdef kernel
diff --git a/libc/mem.c b/libc/mem.c
index e9c6b8e..d7ce3dc 100644
--- a/libc/mem.c
+++ b/libc/mem.c
@@ -376,6 +376,26 @@ void *zalloc(u32 size)
 	return ret;
 }
 
+// Naive realloc implementation - TODO!
+void *realloc(void *ptr, u32 size)
+{
+	if (!ptr)
+		return malloc(size);
+
+	FUNC("Realloc not implemented!\n");
+	return NULL;
+	/* // This could work; untested
+	struct h_node *node = (struct h_node *)((char *)ptr - 12);
+	u32 old_size = node->size;
+
+	void *new = malloc(size);
+	memcpy(new, ptr, old_size);
+
+	free(ptr);
+	return new;
+	*/
+}
+
 void *malloc_debug(u32 size, const char *file, int line, const char *func, const char *inp)
 {
 	assert(size < (100 << 20)); // Don't brag with memory pls
-- 
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