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Merge pull request #431 from romkatv/disallow_prefix

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Protect macros from user code to the left of them
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Shinichiro Hamaji 2019-02-18 11:49:24 +09:00 committed by GitHub
commit 5c576f78c4
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4 changed files with 27 additions and 7 deletions
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1
AUTHORS
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@ -18,6 +18,7 @@ Guillaume Dumont <dumont.guillaume@gmail.com>
Michael Tanner <michael@tannertaxpro.com>
MiniLight <MiniLightAR@Gmail.com>
romange <romange@users.noreply.github.com>
Roman Perepelitsa <roman.perepelitsa@gmail.com>
Sergiu Deitsch <sergiu.deitsch@gmail.com>
tbennun <tbennun@gmail.com>
Teddy Reed <teddy@prosauce.org>

1
CONTRIBUTORS
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@ -37,6 +37,7 @@ MiniLight <MiniLightAR@Gmail.com>
Peter Collingbourne <pcc@google.com>
Rodrigo Queiro <rodrigoq@google.com>
romange <romange@users.noreply.github.com>
Roman Perepelitsa <roman.perepelitsa@gmail.com>
Sergiu Deitsch <sergiu.deitsch@gmail.com>
Shinichiro Hamaji <hamaji@google.com>
tbennun <tbennun@gmail.com>

17
src/glog/logging.h.in
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@ -568,8 +568,10 @@ class LogSink; // defined below
LOG_TO_STRING_##severity(static_cast<std::vector<std::string>*>(outvec)).stream()
#define LOG_IF(severity, condition) \
static_cast<void>(0), \
!(condition) ? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(severity)
#define SYSLOG_IF(severity, condition) \
static_cast<void>(0), \
!(condition) ? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & SYSLOG(severity)
#define LOG_ASSERT(condition) \
@ -859,6 +861,7 @@ DECLARE_CHECK_STROP_IMPL(strcasecmp, false)
&@ac_google_namespace@::LogMessage::SendToLog)
#define PLOG_IF(severity, condition) \
static_cast<void>(0), \
!(condition) ? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & PLOG(severity)
// A CHECK() macro that postpends errno if the condition is false. E.g.
@ -1003,23 +1006,29 @@ const LogSeverity GLOG_0 = GLOG_ERROR;
#else // !DCHECK_IS_ON()
#define DLOG(severity) \
#define DLOG(severity) \
static_cast<void>(0), \
true ? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(severity)
#define DVLOG(verboselevel) \
(true || !VLOG_IS_ON(verboselevel)) ?\
(void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(INFO)
#define DVLOG(verboselevel) \
static_cast<void>(0), \
(true || !VLOG_IS_ON(verboselevel)) ? \
(void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(INFO)
#define DLOG_IF(severity, condition) \
static_cast<void>(0), \
(true || !(condition)) ? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(severity)
#define DLOG_EVERY_N(severity, n) \
static_cast<void>(0), \
true ? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(severity)
#define DLOG_IF_EVERY_N(severity, condition, n) \
static_cast<void>(0), \
(true || !(condition))? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(severity)
#define DLOG_ASSERT(condition) \
static_cast<void>(0), \
true ? (void) 0 : LOG_ASSERT(condition)
// MSVC warning C4127: conditional expression is constant

15
src/windows/glog/logging.h
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@ -572,8 +572,10 @@ class LogSink; // defined below
LOG_TO_STRING_##severity(static_cast<std::vector<std::string>*>(outvec)).stream()
#define LOG_IF(severity, condition) \
static_cast<void>(0), \
!(condition) ? (void) 0 : google::LogMessageVoidify() & LOG(severity)
#define SYSLOG_IF(severity, condition) \
static_cast<void>(0), \
!(condition) ? (void) 0 : google::LogMessageVoidify() & SYSLOG(severity)
#define LOG_ASSERT(condition) \
@ -863,6 +865,7 @@ DECLARE_CHECK_STROP_IMPL(strcasecmp, false)
&google::LogMessage::SendToLog)
#define PLOG_IF(severity, condition) \
static_cast<void>(0), \
!(condition) ? (void) 0 : google::LogMessageVoidify() & PLOG(severity)
// A CHECK() macro that postpends errno if the condition is false. E.g.
@ -1006,23 +1009,29 @@ const LogSeverity GLOG_0 = GLOG_ERROR;
#else // !DCHECK_IS_ON()
#define DLOG(severity) \
#define DLOG(severity) \
static_cast<void>(0), \
true ? (void) 0 : google::LogMessageVoidify() & LOG(severity)
#define DVLOG(verboselevel) \
(true || !VLOG_IS_ON(verboselevel)) ?\
#define DVLOG(verboselevel) \
static_cast<void>(0), \
(true || !VLOG_IS_ON(verboselevel)) ? \
(void) 0 : google::LogMessageVoidify() & LOG(INFO)
#define DLOG_IF(severity, condition) \
static_cast<void>(0), \
(true || !(condition)) ? (void) 0 : google::LogMessageVoidify() & LOG(severity)
#define DLOG_EVERY_N(severity, n) \
static_cast<void>(0), \
true ? (void) 0 : google::LogMessageVoidify() & LOG(severity)
#define DLOG_IF_EVERY_N(severity, condition, n) \
static_cast<void>(0), \
(true || !(condition))? (void) 0 : google::LogMessageVoidify() & LOG(severity)
#define DLOG_ASSERT(condition) \
static_cast<void>(0), \
true ? (void) 0 : LOG_ASSERT(condition)
// MSVC warning C4127: conditional expression is constant