QProcess: remove a use of QString::sprintf()

Instead of using QString::sprintf() (and converting the result back to QByteArray),
simply do the conversion from uchar to octal digits ourselves, using QtMiscTools.

Change-Id: I452c085b717c71609cd1a9465e31d90e6a0ba54b
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 11 insertions, 6 deletions

diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp
index 83e76edc86..fcebc08d7f 100644
--- a/src/corelib/io/qprocess_unix.cpp
+++ b/src/corelib/io/qprocess_unix.cpp
@@ -37,10 +37,9 @@
 #ifndef QT_NO_PROCESS
 
 #if defined QPROCESS_DEBUG
-#include "qstring.h"
+#include "private/qtools_p.h"
 #include <ctype.h>
 
-
 /*
     Returns a human readable representation of the first \a len
     characters in \a data.
@@ -58,10 +57,16 @@ static QByteArray qt_prettyDebug(const char *data, int len, int maxSize)
         case '\n': out += "\\n"; break;
         case '\r': out += "\\r"; break;
         case '\t': out += "\\t"; break;
-        default:
-            QString tmp;
-            tmp.sprintf("\\%o", c);
-            out += tmp.toLatin1();
+        default: {
+            const char buf[] =  {
+                '\\',
+                QtMiscUtils::toOct(uchar(c) / 64),
+                QtMiscUtils::toOct(uchar(c) % 64 / 8),
+                QtMiscUtils::toOct(uchar(c) % 8),
+                0
+            };
+            out += buf;
+            }
         }
     }