From 961d12d9471f0178441e67e073ba2f3085cf20f1 Mon Sep 17 00:00:00 2001 From: liqingqing Date: Thu, 22 Oct 2020 17:11:44 +0800 Subject: [PATCH] malloc debug: fix compile error when enable macro MALLOC_DEBUG > 1 malloc debug: fix compile error when enable macro MALLOC_DEBUG > 1. this is because commit e9c4fe93b3855239752819303ca377dff0ed0553 has change the struct malloc_chunk's member "size" to "mchunk_size". the reproduction is like that: setp1: modify related Makefile. vim ../glibc/malloc/Makefile CPPFLAGS-malloc.o += -DMALLOC_DEBUG=2 step2: ../configure --prefix=/usr make -j32 this will cause the compile error: /home/liqingqing/glibc_upstream/buildglibc/malloc/malloc.o In file included from malloc.c:1899:0: arena.c: In function 'dump_heap': arena.c:422:58: error: 'struct malloc_chunk' has no member named 'size' fprintf (stderr, "chunk %p size %10lx", p, (long) p->size); ^~ arena.c:428:17: error: 'struct malloc_chunk' has no member named 'size' else if (p->size == (0 | PREV_INUSE)) Reviewed-by: DJ Delorie --- malloc/arena.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/malloc/arena.c b/malloc/arena.c index cecdb7f4c4..202daf15b0 100644 --- a/malloc/arena.c +++ b/malloc/arena.c @@ -419,13 +419,13 @@ dump_heap (heap_info *heap) ~MALLOC_ALIGN_MASK); for (;; ) { - fprintf (stderr, "chunk %p size %10lx", p, (long) p->size); + fprintf (stderr, "chunk %p size %10lx", p, (long) chunksize_nomask(p)); if (p == top (heap->ar_ptr)) { fprintf (stderr, " (top)\n"); break; } - else if (p->size == (0 | PREV_INUSE)) + else if (chunksize_nomask(p) == (0 | PREV_INUSE)) { fprintf (stderr, " (fence)\n"); break;