From aff161557e8995a08147d07df7c1bbc8ae88e542 Mon Sep 17 00:00:00 2001
From: Renge <renge@renge.io>
Date: Fri, 25 Mar 2022 21:13:36 -0400
Subject: [PATCH] fix: return payload

---
 hw3/src/main.c | 25 +++++++++++++++++++++----
 hw3/src/sfmm.c |  3 ++-
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/hw3/src/main.c b/hw3/src/main.c
index 55bf4b8..3dc54e9 100644
--- a/hw3/src/main.c
+++ b/hw3/src/main.c
@@ -3,11 +3,28 @@
 
 int main(int argc, char const *argv[]) {
     sf_set_magic(0x0);
-	sf_errno = 0;
-	size_t sz = sizeof(int);
-	int *x = sf_malloc(sz);
+
+
+        size_t sz_u = 200, sz_v = 150, sz_w = 50, sz_x = 150, sz_y = 200, sz_z = 250;
+	void *u = sf_malloc(sz_u);
+        sf_show_heap();
+	/* void *v = */ sf_malloc(sz_v);
+        sf_show_heap();
+	void *w = sf_malloc(sz_w);
+        sf_show_heap();
+	/* void *x = */ sf_malloc(sz_x);
+        sf_show_heap();
     
-    *x = 4;
+	void *y = sf_malloc(sz_y);
+        sf_show_heap();
+	/* void *z = */ sf_malloc(sz_z);
+    sf_show_heap();
+
+	sf_free(u);
+    sf_show_heap();
+	sf_free(w);
+    sf_show_heap();
+	sf_free(y);
 
     return EXIT_SUCCESS;
 }
diff --git a/hw3/src/sfmm.c b/hw3/src/sfmm.c
index 387f9b8..28bf0ec 100644
--- a/hw3/src/sfmm.c
+++ b/hw3/src/sfmm.c
@@ -92,6 +92,7 @@ void *sf_malloc(sf_size_t size)
                     // sf_show_block(block);
                     return block->body.payload;
                 }
+                ptr = ptr->body.links.next;
             }
         }
     }
@@ -121,7 +122,7 @@ void *sf_malloc(sf_size_t size)
 
     // sf_show_block(ptr);
     // sf_show_block(epi);
-    return ptr;
+    return ptr->body.payload;
 }
 
 void sf_free(void *pp)