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mariadb: fix compilation with newer fmt 

Upstream backport.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
This commit is contained in:
Rosen Penev 2024-02-18 14:59:02 -08:00
parent b111a290d8
commit 79ef554d7f
2 changed files with 117 additions and 1 deletions
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2
utils/mariadb/Makefile
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@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=mariadb
PKG_VERSION:=10.9.8
PKG_RELEASE:=2
PKG_RELEASE:=3
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL := https://archive.mariadb.org/$(PKG_NAME)-$(PKG_VERSION)/source

116
utils/mariadb/patches/110-fmt.patch Normal file
View File

@ -0,0 +1,116 @@
From c657a1973e274b16db0631dc3862e276ab354564 Mon Sep 17 00:00:00 2001
From: Ruoyu Zhong <zhongruoyu@outlook.com>
Date: Sat, 19 Aug 2023 22:48:16 +0800
Subject: [PATCH 1/2] MDEV-31963 cmake: fix libfmt usage
`fmt::detail::make_arg` does not accept temporaries, so the code snippet
checking system libfmt needs to be adjusted.
Signed-off-by: Ruoyu Zhong <zhongruoyu@outlook.com>
---
cmake/libfmt.cmake | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/cmake/libfmt.cmake
+++ b/cmake/libfmt.cmake
@@ -33,8 +33,9 @@ MACRO (CHECK_LIBFMT)
#include <fmt/format-inl.h>
#include <iostream>
int main() {
+ int answer= 42;
fmt::format_args::format_arg arg=
- fmt::detail::make_arg<fmt::format_context>(42);
+ fmt::detail::make_arg<fmt::format_context>(answer);
std::cout << fmt::vformat(\"The answer is {}.\",
fmt::format_args(&arg, 1));
}" HAVE_SYSTEM_LIBFMT)
--- a/sql/item_strfunc.cc
+++ b/sql/item_strfunc.cc
@@ -1382,11 +1382,24 @@ namespace fmt {
*/
String *Item_func_sformat::val_str(String *res)
{
+ /*
+ A union that stores a numeric format arg value.
+ fmt::detail::make_arg does not accept temporaries, so all of its numeric
+ args are temporarily stored in the fmt_args array.
+ See: https://github.com/fmtlib/fmt/issues/3596
+ */
+ union Format_arg_store {
+ longlong val_int;
+ float val_float;
+ double val_double;
+ };
+
DBUG_ASSERT(fixed());
- using ctx= fmt::format_context;
- String *fmt_arg= NULL;
- String *parg= NULL;
- fmt::format_args::format_arg *vargs= NULL;
+ using ctx= fmt::format_context;
+ String *fmt_arg= NULL;
+ String *parg= NULL;
+ fmt::format_args::format_arg *vargs= NULL;
+ Format_arg_store *fmt_args= NULL;
null_value= true;
if (!(fmt_arg= args[0]->val_str(res)))
@@ -1395,25 +1408,39 @@ String *Item_func_sformat::val_str(Strin
if (!(vargs= new fmt::format_args::format_arg[arg_count - 1]))
return NULL;
+ if (!(fmt_args= new Format_arg_store[arg_count - 1]))
+ {
+ delete [] vargs;
+ return NULL;
+ }
+
/* Creates the array of arguments for vformat */
for (uint carg= 1; carg < arg_count; carg++)
{
switch (args[carg]->result_type())
{
case INT_RESULT:
- vargs[carg-1]= fmt::detail::make_arg<ctx>(args[carg]->val_int());
+ fmt_args[carg-1].val_int= args[carg]->val_int();
+ vargs[carg-1]= fmt::detail::make_arg<ctx>(fmt_args[carg-1].val_int);
break;
case DECIMAL_RESULT: // TODO
case REAL_RESULT:
if (args[carg]->field_type() == MYSQL_TYPE_FLOAT)
- vargs[carg-1]= fmt::detail::make_arg<ctx>((float)args[carg]->val_real());
+ {
+ fmt_args[carg-1].val_float= (float)args[carg]->val_real();
+ vargs[carg-1]= fmt::detail::make_arg<ctx>(fmt_args[carg-1].val_float);
+ }
else
- vargs[carg-1]= fmt::detail::make_arg<ctx>(args[carg]->val_real());
+ {
+ fmt_args[carg-1].val_double= args[carg]->val_real();
+ vargs[carg-1]= fmt::detail::make_arg<ctx>(fmt_args[carg-1].val_double);
+ }
break;
case STRING_RESULT:
if (!(parg= args[carg]->val_str(&val_arg[carg-1])))
{
delete [] vargs;
+ delete [] fmt_args;
return NULL;
}
vargs[carg-1]= fmt::detail::make_arg<ctx>(*parg);
@@ -1423,6 +1450,7 @@ String *Item_func_sformat::val_str(Strin
default:
DBUG_ASSERT(0);
delete [] vargs;
+ delete [] fmt_args;
return NULL;
}
}
@@ -1446,6 +1474,7 @@ String *Item_func_sformat::val_str(Strin
null_value= true;
}
delete [] vargs;
+ delete [] fmt_args;
return null_value ? NULL : res;
}