[THRIFT-2795] thrift_binary_protocol.c: 'dereferencing type-punned pointer will break strict-aliasing rules'

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.9.1
• Fix Version/s: 0.9.3
• Component/s: Build Process, C glib - Library
• Labels: c_glib library
• Assignee: Simon South
• Reporter: Anatol Pomozov
• Created: 03/Nov/14 04:14
• Updated: 25/Aug/15 04:44
• Resolved: 04/Aug/15 13:40

Description

I am trying to compile the project on Linux Arch (gcc 4.9.1) and I see following error:

libtool: compile: gcc -DHAVE_CONFIG_H -I. -I../.. -I../../lib/cpp/src/thrift -D_FORTIFY_SOURCE=2 -O2 -g -Wall -W -Werror -Isrc -I src/thrift/c_glib -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -MT libthrift_c_glib_la-thrift_binary_protocol.lo -MD -MP -MF .deps/libthrift_c_glib_la-thrift_binary_protocol.Tpo -c src/thrift/c_glib/protocol/thrift_binary_protocol.c -fPIC -DPIC -o .libs/libthrift_c_glib_la-thrift_binary_protocol.o
src/thrift/c_glib/protocol/thrift_binary_protocol.c: In function 'thrift_binary_protocol_read_i16':
src/thrift/c_glib/protocol/thrift_binary_protocol.c:672:3: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
*value = *(gint16 *) b;
^
src/thrift/c_glib/protocol/thrift_binary_protocol.c: In function 'thrift_binary_protocol_read_i32':
src/thrift/c_glib/protocol/thrift_binary_protocol.c:691:3: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
*value = *(gint32 *) b;
^
src/thrift/c_glib/protocol/thrift_binary_protocol.c: In function 'thrift_binary_protocol_read_i64':
src/thrift/c_glib/protocol/thrift_binary_protocol.c:710:3: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
*value = *(gint64 *) b;
^
src/thrift/c_glib/protocol/thrift_binary_protocol.c: In function 'thrift_binary_protocol_read_double':
src/thrift/c_glib/protocol/thrift_binary_protocol.c:729:3: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
guint64 bits = *(guint64 *) b;
^
cc1: all warnings being treated as errors

Issue Links

• is part of: THRIFT-3285 c_glib: Build library with all warnings enabled, no warnings generated