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Accepting request 895511 from home:Andreas_Schwab:Factory

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- rawmemchr-warning.patch: string: Work around GCC PR 98512 in rawmemchr

OBS-URL: https://build.opensuse.org/request/show/895511
OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=594
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Andreas Schwab 2021-05-26 10:27:44 +00:00 committed by Git OBS Bridge
parent 99c39a9631
commit c82c4041fc
3 changed files with 64 additions and 0 deletions
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5
glibc.changes
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@ -1,3 +1,8 @@
-------------------------------------------------------------------
Wed May 26 09:55:50 UTC 2021 - Andreas Schwab <schwab@suse.de>
- rawmemchr-warning.patch: string: Work around GCC PR 98512 in rawmemchr
-------------------------------------------------------------------
Tue May 4 12:19:24 UTC 2021 - Andreas Schwab <schwab@suse.de>

3
glibc.spec
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@ -259,6 +259,8 @@ Patch1004: nss-database-lookup.patch
Patch1005: select-modify-timeout.patch
# PATCH-FIX-UPSTREAM: nptl_db: Support different libpthread/ld.so load orders (BZ #27744)
Patch1006: nptl-db-libpthread-load-order.patch
# PATCH-FIX-UPSTREAM: string: Work around GCC PR 98512 in rawmemchr
Patch1007: rawmemchr-warning.patch
###
# Patches awaiting upstream approval
@ -483,6 +485,7 @@ Internal usrmerge bootstrap helper
%patch1004 -p1
%patch1005 -p1
%patch1006 -p1
%patch1007 -p1
%patch2000 -p1
%patch2001 -p1

56
rawmemchr-warning.patch Normal file
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@ -0,0 +1,56 @@
From 044e603b698093cf48f6e6229e0b66acf05227e4 Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Fri, 19 Feb 2021 13:29:00 +0100
Subject: [PATCH] string: Work around GCC PR 98512 in rawmemchr
---
string/rawmemchr.c | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)
diff --git a/string/rawmemchr.c b/string/rawmemchr.c
index 59bbeeaa42..b8523118e5 100644
--- a/string/rawmemchr.c
+++ b/string/rawmemchr.c
@@ -22,24 +22,28 @@
# define RAWMEMCHR __rawmemchr
#endif
-/* Find the first occurrence of C in S. */
-void *
-RAWMEMCHR (const void *s, int c)
-{
- DIAG_PUSH_NEEDS_COMMENT;
+/* The pragmata should be nested inside RAWMEMCHR below, but that
+ triggers GCC PR 98512. */
+DIAG_PUSH_NEEDS_COMMENT;
#if __GNUC_PREREQ (7, 0)
- /* GCC 8 warns about the size passed to memchr being larger than
- PTRDIFF_MAX; the use of SIZE_MAX is deliberate here. */
- DIAG_IGNORE_NEEDS_COMMENT (8, "-Wstringop-overflow=");
+/* GCC 8 warns about the size passed to memchr being larger than
+ PTRDIFF_MAX; the use of SIZE_MAX is deliberate here. */
+DIAG_IGNORE_NEEDS_COMMENT (8, "-Wstringop-overflow=");
#endif
#if __GNUC_PREREQ (11, 0)
- /* Likewise GCC 11, with a different warning option. */
- DIAG_IGNORE_NEEDS_COMMENT (11, "-Wstringop-overread");
+/* Likewise GCC 11, with a different warning option. */
+DIAG_IGNORE_NEEDS_COMMENT (11, "-Wstringop-overread");
#endif
+
+/* Find the first occurrence of C in S. */
+void *
+RAWMEMCHR (const void *s, int c)
+{
if (c != '\0')
return memchr (s, c, (size_t)-1);
- DIAG_POP_NEEDS_COMMENT;
return (char *)s + strlen (s);
}
libc_hidden_def (__rawmemchr)
weak_alias (__rawmemchr, rawmemchr)
+
+DIAG_POP_NEEDS_COMMENT;
--
2.31.1