[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#44724: Uninitialised variables in syntax.c cause trouble.
From: |
martin rudalics |
Subject: |
bug#44724: Uninitialised variables in syntax.c cause trouble. |
Date: |
Wed, 18 Nov 2020 18:57:37 +0100 |
> In src/syntax.c, there are several uninitialised static variables, one of
> which is find_start_value.
>
> It is used in function find_defun_start before being initialised. The
> first use is at L.14 of the function, this:
>
> && pos >= find_start_value
>
> . This has the effect of causing a certain (forward-comment -1) (which
> calls back_comment, which calls find_defun_start) to fail.
>
> In my test setup (I am writing tests for syntax.c), find_start_value's
> value at loading time was randomly 1270, which was spuriously inside the
> comment I was trying to scan backwards over. back_comment thus failed to
> recognise the comment, and returned failed.
Just curious: Did current_buffer == find_start_buffer really succeed
in your scenario?
martin