Adds color output support for tmux terminals

[platform/upstream/glog.git] / src / logging.cc

diff --git a/src/logging.cc b/src/logging.cc
index e5eae45..5543e3a 100644 (file)
--- a/src/logging.cc
+++ b/src/logging.cc
@@ -31,6 +31,7 @@
 
 #include "utilities.h"
 
+#include <algorithm>
 #include <assert.h>
 #include <iomanip>
 #include <string>
@@ -180,6 +181,10 @@ GLOG_DEFINE_string(log_backtrace_at, "",
 #define PATH_SEPARATOR '/'
 
 #ifndef HAVE_PREAD
+#if defined(OS_WINDOWS)
+#include <BaseTsd.h>
+#define ssize_t SSIZE_T
+#endif
 static ssize_t pread(int fd, void* buf, size_t count, off_t offset) {
   off_t orig_offset = lseek(fd, 0, SEEK_CUR);
   if (orig_offset == (off_t)-1)
@@ -248,6 +253,7 @@ static bool TerminalSupportsColor() {
       !strcmp(term, "xterm") ||
       !strcmp(term, "xterm-color") ||
       !strcmp(term, "xterm-256color") ||
+      !strcmp(term, "screen-256color") ||
       !strcmp(term, "screen") ||
       !strcmp(term, "linux") ||
       !strcmp(term, "cygwin");
@@ -1454,7 +1460,7 @@ static void logging_fail() {
 #if defined(_DEBUG) && defined(_MSC_VER)
   // When debugging on windows, avoid the obnoxious dialog and make
   // it possible to continue past a LOG(FATAL) in the debugger
-  _asm int 3
+  __debugbreak();
 #else
   abort();
 #endif
@@ -1580,9 +1586,8 @@ ErrnoLogMessage::ErrnoLogMessage(const char* file, int line,
 ErrnoLogMessage::~ErrnoLogMessage() {
   // Don't access errno directly because it may have been altered
   // while streaming the message.
-  char buf[100];
-  posix_strerror_r(preserved_errno(), buf, sizeof(buf));
-  stream() << ": " << buf << " [" << preserved_errno() << "]";
+  stream() << ": " << StrError(preserved_errno()) << " ["
+           << preserved_errno() << "]";
 }
 
 void FlushLogFiles(LogSeverity min_severity) {
@@ -1711,13 +1716,11 @@ static bool SendEmailInternal(const char*dest, const char *subject,
       bool ok = pclose(pipe) != -1;
       if ( !ok ) {
         if ( use_logging ) {
-          char buf[100];
-          posix_strerror_r(errno, buf, sizeof(buf));
-          LOG(ERROR) << "Problems sending mail to " << dest << ": " << buf;
+          LOG(ERROR) << "Problems sending mail to " << dest << ": "
+                     << StrError(errno);
         } else {
-          char buf[100];
-          posix_strerror_r(errno, buf, sizeof(buf));
-          fprintf(stderr, "Problems sending mail to %s: %s\n", dest, buf);
+          fprintf(stderr, "Problems sending mail to %s: %s\n",
+                  dest, StrError(errno).c_str());
         }
       }
       return ok;
@@ -1991,6 +1994,15 @@ int posix_strerror_r(int err, char *buf, size_t len) {
   }
 }
 
+string StrError(int err) {
+  char buf[100];
+  int rc = posix_strerror_r(err, buf, sizeof(buf));
+  if ((rc < 0) || (buf[0] == '\000')) {
+    snprintf(buf, sizeof(buf), "Error number %d", err);
+  }
+  return buf;
+}
+
 LogMessageFatal::LogMessageFatal(const char* file, int line) :
     LogMessage(file, line, GLOG_FATAL) {}