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* [PATCH] gcc/file-prefix-map: Fix NULL filename handling
@ 2022-11-04 17:25 Richard Purdie
  2022-11-05 11:06 ` Richard Biener
  0 siblings, 1 reply; 2+ messages in thread
From: Richard Purdie @ 2022-11-04 17:25 UTC (permalink / raw)
  To: gcc-patches

e5c15eb183f17e806ad6b58c9497321ded87866f introduced a regression as
some ada tests end up passing NULL as the filename to remap_filename().
Handle this as before to fix the tests.

gcc/ChangeLog:

* file-prefix-map.cc (remap_filename): Handle NULL filenames.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 gcc/file-prefix-map.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/file-prefix-map.cc b/gcc/file-prefix-map.cc
index 439586bd2b5..40b10edcf92 100644
--- a/gcc/file-prefix-map.cc
+++ b/gcc/file-prefix-map.cc
@@ -73,7 +73,7 @@ remap_filename (file_prefix_map *maps, const char *filename)
   char *realname;
   size_t name_len;
 
-  if (lbasename (filename) == filename)
+  if (!filename || lbasename (filename) == filename)
     return filename;
 
   realname = lrealpath (filename);
-- 
2.34.1


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] gcc/file-prefix-map: Fix NULL filename handling
  2022-11-04 17:25 [PATCH] gcc/file-prefix-map: Fix NULL filename handling Richard Purdie
@ 2022-11-05 11:06 ` Richard Biener
  0 siblings, 0 replies; 2+ messages in thread
From: Richard Biener @ 2022-11-05 11:06 UTC (permalink / raw)
  To: Richard Purdie; +Cc: gcc-patches

On Fri, Nov 4, 2022 at 6:26 PM Richard Purdie via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> e5c15eb183f17e806ad6b58c9497321ded87866f introduced a regression as
> some ada tests end up passing NULL as the filename to remap_filename().
> Handle this as before to fix the tests.

OK.

> gcc/ChangeLog:
>
> * file-prefix-map.cc (remap_filename): Handle NULL filenames.
>
> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
> ---
>  gcc/file-prefix-map.cc | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/gcc/file-prefix-map.cc b/gcc/file-prefix-map.cc
> index 439586bd2b5..40b10edcf92 100644
> --- a/gcc/file-prefix-map.cc
> +++ b/gcc/file-prefix-map.cc
> @@ -73,7 +73,7 @@ remap_filename (file_prefix_map *maps, const char *filename)
>    char *realname;
>    size_t name_len;
>
> -  if (lbasename (filename) == filename)
> +  if (!filename || lbasename (filename) == filename)
>      return filename;
>
>    realname = lrealpath (filename);
> --
> 2.34.1
>

^ permalink raw reply	[flat|nested] 2+ messages in thread

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