Skip Menu |
 

This queue is for tickets about the DBI CPAN distribution.

Report information
The Basics
Id: 130190
Status: new
Priority: 0/
Queue: DBI

People
Owner: Nobody in particular
Requestors: ppisar [...] redhat.com
Cc:
AdminCc:

Bug Information
Severity: (no value)
Broken in: 1.642
Fixed in: (no value)



Subject: Cast between incompatible function types from ‘void (*)(PerlInterpreter *, CV *)’ {aka ‘void (*)(struct interpreter *, struct cv *)’} to ‘dbistate_t ** (*)(PerlInterpreter *)’ {aka ‘struct dbistate_st ** (*)(struct interpreter *)’}
GCC 8.3.1 with Perl 5.28.2 reports these warnings about mismatched pointer type to a dbi state function: gcc -c -D_REENTRANT -D_GNU_SOURCE -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -fno-strict-aliasing -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -g -DVERSION=\"1.642\" -DXS_VERSION=\"1.642\" -fPIC "-I/usr/lib64/perl5/CORE" -W -Wall -Wpointer-arith -Wbad-function-cast -Wno-comment -Wno-sign-compare -Wno-cast-qual -Wmissing-noreturn -Wno-unused-parameter Perl.c In file included from Perl.xs:7: Perl.xs: In function ‘dbi_get_state’: DBIXS.h:498:32: warning: cast between incompatible function types from ‘void (*)(PerlInterpreter *, CV *)’ {aka ‘void (*)(struct interpreter *, struct cv *)’} to ‘dbistate_t ** (*)(PerlInterpreter *)’ {aka ‘struct dbistate_st ** (*)(struct interpreter *)’} [-Wcast-function-type] dbi_state_lval_p = (_dbi_state_lval_t)CvXSUB(cv); \ ^ DBIXS.h:506:27: note: in expansion of macro ‘_DBISTATE_DECLARE_COMMON’ # define DBISTATE_DECLARE _DBISTATE_DECLARE_COMMON ^~~~~~~~~~~~~~~~~~~~~~~~ Perl.xs:13:1: note: in expansion of macro ‘DBISTATE_DECLARE’ DBISTATE_DECLARE; ^~~~~~~~~~~~~~~~ [...] gcc -c -D_REENTRANT -D_GNU_SOURCE -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -fno-strict-aliasing -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -g -DVERSION=\"1.642\" -DXS_VERSION=\"1.642\" -fPIC "-I/usr/lib64/perl5/CORE" -W -Wall -Wpointer-arith -Wbad-function-cast -Wno-comment -Wno-sign-compare -Wno-cast-qual -Wmissing-noreturn -Wno-unused-parameter DBI.c In file included from /usr/lib64/perl5/CORE/perl.h:5310, from DBIXS.h:23, from DBI.xs:13: DBI.xs: In function ‘boot_DBI’: DBI.xs:4474:42: warning: cast between incompatible function types from ‘dbistate_t ** (*)(PerlInterpreter *)’ {aka ‘struct dbistate_st ** (*)(struct interpreter *)’} to ‘void (*)(PerlInterpreter *, CV *)’ {aka ‘void (*)(struct interpreter *, struct cv *)’} [-Wcast-function-type] (void) newXS("DBI::_dbi_state_lval", (XSUBADDR_t)_dbi_state_lval, __FILE__); ^ /usr/lib64/perl5/CORE/embed.h:551:42: note: in definition of macro ‘newXS’ #define newXS(a,b,c) Perl_newXS(aTHX_ a,b,c) ^ This is probably harmless but would be great to fix it (e.g. by casting via (void (*) (void)) as documented in GCC manual).


This service is sponsored and maintained by Best Practical Solutions and runs on Perl.org infrastructure.

Please report any issues with rt.cpan.org to rt-cpan-admin@bestpractical.com.