linux-ext4 - Re: [PATCH] libext2fs: remove c99 idiom to fix build

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Date:   Sat, 23 Jun 2018 14:52:07 -0500
From:   Eric Sandeen <sandeen@...hat.com>
To:     "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH] libext2fs: remove c99 idiom to fix build

On 6/23/18 2:51 PM, Eric Sandeen wrote:
> hashmap.c: In function ‘ext2fs_hashmap_free’:
> hashmap.c:72:2: error: ‘for’ loop initial declarations are only allowed in C99 mode
>   for (size_t i = 0; i < h->size; ++i) {
>   ^
> hashmap.c:72:2: note: use option -std=c99 or -std=gnu99 to compile your code
> make[2]: *** [hashmap.o] Error 1

Might add:

Fixes: 555a0fc ("AOSP: e2fsdroid/libext2fs: move hashmap into libext2fs")

> Signed-off-by: Eric Sandeen <sandeen@...hat.com>
> ---
> 
> diff --git a/lib/ext2fs/hashmap.c b/lib/ext2fs/hashmap.c
> index ade5d89..3d8ee81 100644
> --- a/lib/ext2fs/hashmap.c
> +++ b/lib/ext2fs/hashmap.c
> @@ -69,7 +69,9 @@ void *ext2fs_hashmap_iter_in_order(struct ext2fs_hashmap *h,
>  
>  void ext2fs_hashmap_free(struct ext2fs_hashmap *h)
>  {
> -	for (size_t i = 0; i < h->size; ++i) {
> +	size_t	i;
> +
> +	for (i = 0; i < h->size; ++i) {
>  		struct ext2fs_hashmap_entry *it = h->entries[i];
>  		while (it) {
>  			struct ext2fs_hashmap_entry *tmp = it->next;
>