From: Carlos O'Donell <codonell@redhat.com>
To: Florian Weimer <fweimer@redhat.com>, libc-alpha@sourceware.org
Subject: Re: [PATCH 3/4] Remove weak declaration of free from <inline-hashtab.h>
Date: Fri, 14 Feb 2020 17:36:36 -0500 [thread overview]
Message-ID: <ac7164e7-ada5-2194-5c60-d19087d14b88@redhat.com> (raw)
In-Reply-To: <c1cfeffdf9edaf3ffd8259aa43de17b75737984c.1581182210.git.fweimer@redhat.com>
On 2/8/20 2:01 PM, Florian Weimer wrote:
> elf/dl-minimal.c provides a definition of free, so the function
> pointer is always non-null, even before the final relocation
> of the loader.
Agreed.
OK for master.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
> ---
> include/inline-hashtab.h | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/include/inline-hashtab.h b/include/inline-hashtab.h
> index d25bb95083..3c09978199 100644
> --- a/include/inline-hashtab.h
> +++ b/include/inline-hashtab.h
> @@ -25,8 +25,6 @@
> #ifndef INLINE_HASHTAB_H
> # define INLINE_HASHTAB_H 1
>
> -extern void weak_function free (void *ptr);
> -
OK.
> struct hashtab
> {
> /* Table itself. */
> @@ -56,8 +54,7 @@ htab_create (void)
> ht->free = free;
> if (! ht->entries)
> {
> - if (ht->free)
> - ht->free (ht);
> + free (ht);
OK.
> return NULL;
> }
>
> @@ -78,8 +75,7 @@ htab_delete (struct hashtab *htab)
> for (i = htab->size - 1; i >= 0; i--)
> free (htab->entries[i]);
>
> - if (htab->free)
> - htab->free (htab->entries);
> + htab->free (htab->entries);
OK.
> free (htab);
> }
>
> @@ -167,8 +163,7 @@ htab_expand (struct hashtab *htab, int (*hash_fn) (void *))
> allocated early as long as there's no corresponding free(), but
> this isn't so much memory as to be significant. */
>
> - if (htab->free)
> - htab->free (oentries);
> + htab->free (oentries);
OK.
>
> /* Use the free() corresponding to the malloc() above to free this
> up. */
>
--
Cheers,
Carlos.
next prev parent reply other threads:[~2020-02-14 22:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-08 19:00 [PATCH 0/4] Avoid malloc symbol interposition in the dynamic loader [BZ #25486] Florian Weimer
2020-02-08 19:00 ` [PATCH 1/4] elf: Introduce the rtld-stubbed-symbols makefile variable Florian Weimer
2020-02-14 22:36 ` Carlos O'Donell
2020-02-08 19:01 ` [PATCH 2/4] elf: Extract _dl_sym_post, _dl_sym_find_caller_map from elf/dl-sym.c Florian Weimer
2020-02-14 22:36 ` Carlos O'Donell
2020-02-08 19:01 ` [PATCH 3/4] Remove weak declaration of free from <inline-hashtab.h> Florian Weimer
2020-02-14 22:36 ` Carlos O'Donell [this message]
2020-02-08 19:01 ` [PATCH 4/4] ld.so: Do not export free/calloc/malloc/realloc functions [BZ #25486] Florian Weimer
2020-02-14 22:36 ` Carlos O'Donell
2020-02-24 11:53 ` Florian Weimer
2020-02-14 22:36 ` [PATCH 0/4] Avoid malloc symbol interposition in the dynamic loader " Carlos O'Donell
2020-02-17 12:25 ` Lucas A. M. Magalhaes
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