* bug#41131: Bug in hash-table-merge! (and patch)
@ 2020-05-07 23:50 Ricardo G. Herdt
2021-03-12 21:32 ` Andy Wingo
0 siblings, 1 reply; 2+ messages in thread
From: Ricardo G. Herdt @ 2020-05-07 23:50 UTC (permalink / raw)
To: 41131
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Hi,
I just found this bug in the hash-table-merge! function
(modul/srfi/srfi-69.scm). Instead of merging both hash tables, it was
ignoring one of them (other-ht). Attached is the fix, where it now folds
over other-ht and store its data in ht.
Cheers,
Ricardo G. Herdt
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[-- Attachment #2: 0001-Fix-hash-table-merge-bug.patch --]
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From 180a9e14b807295aa31966a52bfd732647458ef9 Mon Sep 17 00:00:00 2001
From: "Ricardo G. Herdt" <r.herdt@posteo.de>
Date: Fri, 8 May 2020 01:37:24 +0200
Subject: [PATCH] Fix hash-table-merge! bug.
* module/srfi/srfi-69.scm : fold over second hash table.
---
module/srfi/srfi-69.scm | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/module/srfi/srfi-69.scm b/module/srfi/srfi-69.scm
index b9486c465..91bcc77db 100644
--- a/module/srfi/srfi-69.scm
+++ b/module/srfi/srfi-69.scm
@@ -330,7 +330,7 @@ Answer the final F result."
"Add all key/value pairs from OTHER-HT to HT, overriding HT's
mappings where present. Return HT."
(hash-table-fold
- ht (lambda (k v ign) (hash-table-set! ht k v)) #f)
+ other-ht (lambda (k v ign) (hash-table-set! ht k v)) #f)
ht)
;;; srfi-69.scm ends here
--
2.20.1
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2020-05-08 Ricardo G. Herdt <r.herdt@posteo.de>
* srfi-69.scm: hash-table-merge! was ignoring the second hash table.
Fold over other-ht, and store its key-values in ht.
^ permalink raw reply related [flat|nested] 2+ messages in thread
* bug#41131: Bug in hash-table-merge! (and patch)
2020-05-07 23:50 bug#41131: Bug in hash-table-merge! (and patch) Ricardo G. Herdt
@ 2021-03-12 21:32 ` Andy Wingo
0 siblings, 0 replies; 2+ messages in thread
From: Andy Wingo @ 2021-03-12 21:32 UTC (permalink / raw)
To: Ricardo G. Herdt; +Cc: 41131-done
Applied, thanks!
On Fri 08 May 2020 01:50, "Ricardo G. Herdt" <r.herdt@posteo.de> writes:
> Hi,
>
> I just found this bug in the hash-table-merge! function
> (modul/srfi/srfi-69.scm). Instead of merging both hash tables, it was
> ignoring one of them (other-ht). Attached is the fix, where it now folds
> over other-ht and store its data in ht.
>
> Cheers,
>
> Ricardo G. Herdt
>
> From 180a9e14b807295aa31966a52bfd732647458ef9 Mon Sep 17 00:00:00 2001
> From: "Ricardo G. Herdt" <r.herdt@posteo.de>
> Date: Fri, 8 May 2020 01:37:24 +0200
> Subject: [PATCH] Fix hash-table-merge! bug.
>
> * module/srfi/srfi-69.scm : fold over second hash table.
> ---
> module/srfi/srfi-69.scm | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/module/srfi/srfi-69.scm b/module/srfi/srfi-69.scm
> index b9486c465..91bcc77db 100644
> --- a/module/srfi/srfi-69.scm
> +++ b/module/srfi/srfi-69.scm
> @@ -330,7 +330,7 @@ Answer the final F result."
> "Add all key/value pairs from OTHER-HT to HT, overriding HT's
> mappings where present. Return HT."
> (hash-table-fold
> - ht (lambda (k v ign) (hash-table-set! ht k v)) #f)
> + other-ht (lambda (k v ign) (hash-table-set! ht k v)) #f)
> ht)
>
> ;;; srfi-69.scm ends here
^ permalink raw reply [flat|nested] 2+ messages in thread
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2020-05-07 23:50 bug#41131: Bug in hash-table-merge! (and patch) Ricardo G. Herdt
2021-03-12 21:32 ` Andy Wingo
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