From 3ed17b079250962762f4c4baa3639ab884205471 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Sat, 22 Jun 2019 16:30:32 +0200
Subject: [PATCH] printf: Support %zu (the 'z' is really just ignored.)

---
 AK/PrintfImplementation.h | 7 +++++++
 LibC/malloc.cpp           | 2 +-
 Userland/tc.cpp           | 2 +-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/AK/PrintfImplementation.h b/AK/PrintfImplementation.h
index e6a9495a3d..c9bde97056 100644
--- a/AK/PrintfImplementation.h
+++ b/AK/PrintfImplementation.h
@@ -200,6 +200,8 @@ template<typename PutChFunc>
         bool zeroPad = false;
         unsigned fieldWidth = 0;
         unsigned long_qualifiers = 0;
+        bool size_qualifier = false;
+        (void)size_qualifier;
         bool alternate_form = 0;
         if (*p == '%' && *(p + 1)) {
         one_more:
@@ -225,6 +227,11 @@ template<typename PutChFunc>
                 if (*(p + 1))
                     goto one_more;
             }
+            if (*p == 'z') {
+                size_qualifier = true;
+                if (*(p + 1))
+                    goto one_more;
+            }
             if (*p == '#') {
                 alternate_form = true;
                 if (*(p + 1))
diff --git a/LibC/malloc.cpp b/LibC/malloc.cpp
index c089a3fd20..6d717deade 100644
--- a/LibC/malloc.cpp
+++ b/LibC/malloc.cpp
@@ -168,7 +168,7 @@ void* malloc(size_t size)
 
     if (!block) {
         char buffer[64];
-        snprintf(buffer, sizeof(buffer), "malloc: ChunkedBlock(%u)", good_size);
+        snprintf(buffer, sizeof(buffer), "malloc: ChunkedBlock(%zu)", good_size);
         block = (ChunkedBlock*)os_alloc(PAGE_SIZE, buffer);
         new (block) ChunkedBlock(good_size);
         allocator->usable_blocks.append(block);
diff --git a/Userland/tc.cpp b/Userland/tc.cpp
index 7abf31c9af..857d861e65 100644
--- a/Userland/tc.cpp
+++ b/Userland/tc.cpp
@@ -80,7 +80,7 @@ int main(int argc, char** argv)
         printf("\033[36;1m%s\033[0m", buffer);
     }
 
-    printf("(%u bytes received)\n", total_recv);
+    printf("(%zu bytes received)\n", total_recv);
     rc = close(fd);
     if (rc < 0) {
         perror("close");