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* Get rid of unnecessary c++ aliasing violation (csilvers)

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* Better error message on parse failure (tstromberg)


git-svn-id: https://gflags.googlecode.com/svn/trunk@37 6586e3c6-dcc4-952a-343f-ff74eb82781d
This commit is contained in:
Craig Silverstein 2010-03-10 00:37:33 +00:00
parent 31c8edc53e
commit 31226b61f2
2 changed files with 22 additions and 22 deletions
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22
src/gflags/gflags.h.in
View file

@ -520,17 +520,17 @@ bool IsBoolFlag(bool from);
// The weird 'using' + 'extern' inside the fLS namespace is to work around
// an unknown compiler bug/issue with the gcc 4.2.1 on SUSE 10. See
// http://code.google.com/p/google-gflags/issues/detail?id=20
#define DEFINE_string(name, val, txt) \
namespace fLS { \
static union { void* align; char s[sizeof(std::string)]; } s_##name[2]; \
const std::string* const FLAGS_no##name = new (s_##name[0].s) std::string(val); \
static @ac_google_namespace@::FlagRegisterer o_##name( \
#name, "string", MAYBE_STRIPPED_HELP(txt), __FILE__, \
s_##name[0].s, new (s_##name[1].s) std::string(*FLAGS_no##name)); \
extern std::string& FLAGS_##name; \
using fLS::FLAGS_##name; \
std::string& FLAGS_##name = *(reinterpret_cast<std::string*>(s_##name[0].s)); \
} \
#define DEFINE_string(name, val, txt) \
namespace fLS { \
static union { void* align; char s[sizeof(std::string)]; } s_##name[2]; \
std::string* const FLAGS_no##name = new (s_##name[0].s) std::string(val); \
static @ac_google_namespace@::FlagRegisterer o_##name( \
#name, "string", MAYBE_STRIPPED_HELP(txt), __FILE__, \
s_##name[0].s, new (s_##name[1].s) std::string(*FLAGS_no##name)); \
extern std::string& FLAGS_##name; \
using fLS::FLAGS_##name; \
std::string& FLAGS_##name = *FLAGS_no##name; \
} \
using fLS::FLAGS_##name
#endif // SWIG

22
src/windows/gflags/gflags.h
View file

@ -531,17 +531,17 @@ GFLAGS_DLL_DECL bool IsBoolFlag(bool from);
// The weird 'using' + 'extern' inside the fLS namespace is to work around
// an unknown compiler bug/issue with the gcc 4.2.1 on SUSE 10. See
// http://code.google.com/p/google-gflags/issues/detail?id=20
#define DEFINE_string(name, val, txt) \
namespace fLS { \
static union { void* align; char s[sizeof(std::string)]; } s_##name[2]; \
const std::string* const FLAGS_no##name = new (s_##name[0].s) std::string(val); \
static ::google::FlagRegisterer o_##name( \
#name, "string", MAYBE_STRIPPED_HELP(txt), __FILE__, \
s_##name[0].s, new (s_##name[1].s) std::string(*FLAGS_no##name)); \
extern __declspec(dllexport) std::string& FLAGS_##name; \
using fLS::FLAGS_##name; \
std::string& FLAGS_##name = *(reinterpret_cast<std::string*>(s_##name[0].s)); \
} \
#define DEFINE_string(name, val, txt) \
namespace fLS { \
static union { void* align; char s[sizeof(std::string)]; } s_##name[2]; \
std::string* const FLAGS_no##name = new (s_##name[0].s) std::string(val); \
static ::google::FlagRegisterer o_##name( \
#name, "string", MAYBE_STRIPPED_HELP(txt), __FILE__, \
s_##name[0].s, new (s_##name[1].s) std::string(*FLAGS_no##name)); \
extern __declspec(dllexport) std::string& FLAGS_##name; \
using fLS::FLAGS_##name; \
std::string& FLAGS_##name = *FLAGS_no##name; \
} \
using fLS::FLAGS_##name
#endif // SWIG