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| author | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2021-07-22 18:38:16 +0530 |
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| committer | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2021-07-22 18:38:16 +0530 |
| commit | 6856975ed4ce79355752d08938f066f2ed9fcfb5 (patch) | |
| tree | 0ef325b468fc9dcc399a854b17433fb7969fa79d /malloc/mcheck-impl.c | |
| parent | 1e5a5866cb9541b5231dba3d86c8a1a35d516de9 (diff) | |
| download | glibc-6856975ed4ce79355752d08938f066f2ed9fcfb5.tar.gz glibc-6856975ed4ce79355752d08938f066f2ed9fcfb5.tar.xz glibc-6856975ed4ce79355752d08938f066f2ed9fcfb5.zip | |
mcheck Fix malloc_usable_size [BZ #22057]
Interpose malloc_usable_size to return the correct mcheck value for malloc_usable_size. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'malloc/mcheck-impl.c')
| -rw-r--r-- | malloc/mcheck-impl.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/malloc/mcheck-impl.c b/malloc/mcheck-impl.c index 8857e6b179..6597a290a6 100644 --- a/malloc/mcheck-impl.c +++ b/malloc/mcheck-impl.c @@ -404,3 +404,9 @@ __mcheck_initialize (void (*func) (enum mcheck_status), bool in_pedantic) pedantic = in_pedantic; return 0; } + +static int +mcheck_usable_size (struct hdr *h) +{ + return (h - 1)->size; +} |