public inbox for glibc-cvs@sourceware.org
help / color / mirror / Atom feed
From: Adhemerval Zanella <azanella@sourceware.org>
To: glibc-cvs@sourceware.org
Subject: [glibc/azanella/clang] iconvdata: Suppress clang warning on locale definitions
Date: Thu,  9 Feb 2023 19:47:28 +0000 (GMT)	[thread overview]
Message-ID: <20230209194728.3A94A3858423@sourceware.org> (raw)

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8ca0b2b709e64f1f519fd526c7c95108b8d6873a

commit 8ca0b2b709e64f1f519fd526c7c95108b8d6873a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Thu Mar 10 10:01:09 2022 -0300

    iconvdata: Suppress clang warning on locale definitions

Diff:
---
 iconvdata/gbk.c             |  5 +++++
 iconvdata/iso-2022-cn-ext.c | 16 +++++-----------
 iconvdata/iso-2022-cn.c     |  5 +++++
 3 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/iconvdata/gbk.c b/iconvdata/gbk.c
index 6a0ba3388a..40d582f5fb 100644
--- a/iconvdata/gbk.c
+++ b/iconvdata/gbk.c
@@ -13212,6 +13212,10 @@ static const char __gbk_from_ucs4_tab12[][2] =
   }
 #include <iconv/loop.c>
 
+/* clang issues an warning adding 'unsigned int' to a string does not append
+   to the string, however it is exactly what code means here.  */
+DIAG_PUSH_NEEDS_COMMENT_CLANG;
+DIAG_IGNORE_NEEDS_COMMENT_CLANG (13, "-Wstring-plus-int");
 
 /* Next, define the other direction.  */
 #define MIN_NEEDED_INPUT	MIN_NEEDED_TO
@@ -13493,6 +13497,7 @@ static const char __gbk_from_ucs4_tab12[][2] =
 #define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
+DIAG_POP_NEEDS_COMMENT_CLANG;
 
 /* Now define the toplevel functions.  */
 #include <iconv/skeleton.c>
diff --git a/iconvdata/iso-2022-cn-ext.c b/iconvdata/iso-2022-cn-ext.c
index d0c3ca4f03..10fcecebba 100644
--- a/iconvdata/iso-2022-cn-ext.c
+++ b/iconvdata/iso-2022-cn-ext.c
@@ -387,6 +387,10 @@ enum
 #define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
+/* clang issues an warning adding 'int' to a string does not append
+   to the string, however it is exactly what code means here.  */
+DIAG_PUSH_NEEDS_COMMENT_CLANG;
+DIAG_IGNORE_NEEDS_COMMENT_CLANG (13, "-Wstring-plus-int");
 
 /* Next, define the other direction.  */
 #define MIN_NEEDED_INPUT	TO_LOOP_MIN_NEEDED_FROM
@@ -394,16 +398,6 @@ enum
 #define MIN_NEEDED_OUTPUT	TO_LOOP_MIN_NEEDED_TO
 #define MAX_NEEDED_OUTPUT	TO_LOOP_MAX_NEEDED_TO
 #define LOOPFCT			TO_LOOP
-/* With GCC 5.3 when compiling with -Os the compiler emits a warning
-   that buf[0] and buf[1] may be used uninitialized.  This can only
-   happen in the case where tmpbuf[3] is used, and in that case the
-   write to the tmpbuf[1] and tmpbuf[2] was assured because
-   ucs4_to_cns11643 would have filled in those entries.  The difficulty
-   is in getting the compiler to see this logic because tmpbuf[0] is
-   involved in determining the code page and is the indicator that
-   tmpbuf[2] is initialized.  */
-DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
 #define BODY \
   {									      \
     uint32_t ch;							      \
@@ -655,7 +649,6 @@ DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
     /* Now that we wrote the output increment the input pointer.  */	      \
     inptr += 4;								      \
   }
-DIAG_POP_NEEDS_COMMENT;
 #define EXTRA_LOOP_DECLS	, int *setp
 #define INIT_PARAMS		int set = (*setp >> 3) & CURRENT_MASK; \
 				int ann = (*setp >> 3) & ~CURRENT_MASK
@@ -669,6 +662,7 @@ DIAG_POP_NEEDS_COMMENT;
 #define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
+DIAG_POP_NEEDS_COMMENT_CLANG;
 
 /* Now define the toplevel functions.  */
 #include <iconv/skeleton.c>
diff --git a/iconvdata/iso-2022-cn.c b/iconvdata/iso-2022-cn.c
index 73eb5e77c6..828d4dbab5 100644
--- a/iconvdata/iso-2022-cn.c
+++ b/iconvdata/iso-2022-cn.c
@@ -227,6 +227,10 @@ enum
 #define UPDATE_PARAMS		*setp = set | ann
 #include <iconv/loop.c>
 
+/* clang issues an warning adding 'int' to a string does not append
+   to the string, however it is exactly what code means here.  */
+DIAG_PUSH_NEEDS_COMMENT_CLANG;
+DIAG_IGNORE_NEEDS_COMMENT_CLANG (13, "-Wstring-plus-int");
 
 /* Next, define the other direction.  */
 #define MIN_NEEDED_INPUT	TO_LOOP_MIN_NEEDED_FROM
@@ -401,6 +405,7 @@ enum
 #define UPDATE_PARAMS		*setp = set | ann
 #include <iconv/loop.c>
 
+DIAG_POP_NEEDS_COMMENT_CLANG;
 
 /* Now define the toplevel functions.  */
 #include <iconv/skeleton.c>

             reply	other threads:[~2023-02-09 19:47 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-09 19:47 Adhemerval Zanella [this message]
  -- strict thread matches above, loose matches on Subject: below --
2024-04-17 20:06 Adhemerval Zanella
2024-04-02 15:52 Adhemerval Zanella
2024-02-09 17:30 Adhemerval Zanella
2024-02-07 14:05 Adhemerval Zanella
2024-01-29 17:55 Adhemerval Zanella
2023-12-21 18:52 Adhemerval Zanella
2023-09-28 17:50 Adhemerval Zanella
2023-08-30 12:35 Adhemerval Zanella
2022-10-28 17:40 Adhemerval Zanella
2022-10-04 12:58 Adhemerval Zanella

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20230209194728.3A94A3858423@sourceware.org \
    --to=azanella@sourceware.org \
    --cc=glibc-cvs@sourceware.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).