linux-kernel - Re: [PATCH 1/2] kconfig: Refactor sym_escape_string

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 27 Sep 2021 21:36:43 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Richard Weinberger <richard@....at>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Subject: Re: [PATCH 1/2] kconfig: Refactor sym_escape_string_value

On Tue, Sep 21, 2021 at 6:42 AM Richard Weinberger <richard@....at> wrote:
>
> sym_escape_string_value() can take a struct symbol directly
> and use sym_get_string_value() itself to obtain the string value.
> We will need struct symbol later for error reporting.
>
> Signed-off-by: Richard Weinberger <richard@....at>
> ---

I think this is a nice clean-up regardless of 2/2.
Applied to linux-kbuild. Thanks.



>  scripts/kconfig/conf.c      | 3 +--
>  scripts/kconfig/confdata.c  | 3 +--
>  scripts/kconfig/lkc_proto.h | 2 +-
>  scripts/kconfig/symbol.c    | 6 ++++--
>  4 files changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
> index 5d84b44a2a2a..a6dad4a2e7a2 100644
> --- a/scripts/kconfig/conf.c
> +++ b/scripts/kconfig/conf.c
> @@ -650,8 +650,7 @@ static void check_conf(struct menu *menu)
>                                 const char *str;
>
>                                 if (sym->type == S_STRING) {
> -                                       str = sym_get_string_value(sym);
> -                                       str = sym_escape_string_value(str);
> +                                       str = sym_escape_string(sym);
>                                         printf("%s%s=%s\n", CONFIG_, sym->name, str);
>                                         free((void *)str);
>                                 } else {
> diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
> index cf72680cd769..4e053f2477f9 100644
> --- a/scripts/kconfig/confdata.c
> +++ b/scripts/kconfig/confdata.c
> @@ -734,8 +734,7 @@ static void conf_write_symbol(FILE *fp, struct symbol *sym,
>         case S_UNKNOWN:
>                 break;
>         case S_STRING:
> -               str = sym_get_string_value(sym);
> -               str = sym_escape_string_value(str);
> +               str = sym_escape_string(sym);
>                 printer->print_symbol(fp, sym, str, printer_arg);
>                 free((void *)str);
>                 break;
> diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
> index a11626bdc421..035cc522808b 100644
> --- a/scripts/kconfig/lkc_proto.h
> +++ b/scripts/kconfig/lkc_proto.h
> @@ -18,7 +18,7 @@ extern struct symbol * symbol_hash[SYMBOL_HASHSIZE];
>
>  struct symbol * sym_lookup(const char *name, int flags);
>  struct symbol * sym_find(const char *name);
> -const char * sym_escape_string_value(const char *in);
> +const char * sym_escape_string(struct symbol *sym);
>  struct symbol ** sym_re_search(const char *pattern);
>  const char * sym_type_name(enum symbol_type type);
>  void sym_calc_value(struct symbol *sym);
> diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
> index 5844d636d38f..4a31bb943f79 100644
> --- a/scripts/kconfig/symbol.c
> +++ b/scripts/kconfig/symbol.c
> @@ -871,13 +871,15 @@ struct symbol *sym_find(const char *name)
>         return symbol;
>  }
>
> -const char *sym_escape_string_value(const char *in)
> +const char *sym_escape_string(struct symbol *sym)
>  {
> -       const char *p;
> +       const char *in, *p;
>         size_t reslen;
>         char *res;
>         size_t l;
>
> +       in = sym_get_string_value(sym);
> +
>         reslen = strlen(in) + strlen("\"\"") + 1;
>
>         p = in;
> --
> 2.26.2
>


-- 
Best Regards
Masahiro Yamada