ahatanak updated this revision to Diff 58740.
ahatanak added a comment.
Remove unused variable and add test case.
http://reviews.llvm.org/D20334
Files:
src/strstream.cpp
test/std/depr/depr.str.strstreams/depr.strstreambuf/depr.strstreambuf.members/overflow.pass.cpp
Index:
test/std/depr/depr.str.strstreams/depr.strstreambuf/depr.strstreambuf.members/overflow.pass.cpp
===================================================================
--- /dev/null
+++
test/std/depr/depr.str.strstreams/depr.strstreambuf/depr.strstreambuf.members/overflow.pass.cpp
@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <strstream>
+
+// class strstreambuf
+
+// int overflow(int c);
+
+#include <iostream>
+#include <string>
+#include <strstream>
+
+int main(int, char const **argv) {
+ std::ostrstream oss;
+ std::string s;
+
+ for (int i = 0; i < 4096; ++i)
+ s.push_back((i % 16) + 'a');
+
+ oss << s << std::ends;
+ std::cout << oss.str();
+ oss.freeze(false);
+
+ return 0;
+}
Index: src/strstream.cpp
===================================================================
--- src/strstream.cpp
+++ src/strstream.cpp
@@ -171,16 +171,15 @@
ptrdiff_t ninp = gptr() - eback();
ptrdiff_t einp = egptr() - eback();
ptrdiff_t nout = pptr() - pbase();
- ptrdiff_t eout = epptr() - pbase();
if (__strmode_ & __allocated)
{
if (__pfree_)
__pfree_(eback());
else
delete [] eback();
}
setg(buf, buf + ninp, buf + einp);
- setp(buf + einp, buf + einp + eout);
+ setp(buf + einp, buf + new_size);
pbump(static_cast<int>(nout));
__strmode_ |= __allocated;
}
Index: test/std/depr/depr.str.strstreams/depr.strstreambuf/depr.strstreambuf.members/overflow.pass.cpp
===================================================================
--- /dev/null
+++ test/std/depr/depr.str.strstreams/depr.strstreambuf/depr.strstreambuf.members/overflow.pass.cpp
@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <strstream>
+
+// class strstreambuf
+
+// int overflow(int c);
+
+#include <iostream>
+#include <string>
+#include <strstream>
+
+int main(int, char const **argv) {
+ std::ostrstream oss;
+ std::string s;
+
+ for (int i = 0; i < 4096; ++i)
+ s.push_back((i % 16) + 'a');
+
+ oss << s << std::ends;
+ std::cout << oss.str();
+ oss.freeze(false);
+
+ return 0;
+}
Index: src/strstream.cpp
===================================================================
--- src/strstream.cpp
+++ src/strstream.cpp
@@ -171,16 +171,15 @@
ptrdiff_t ninp = gptr() - eback();
ptrdiff_t einp = egptr() - eback();
ptrdiff_t nout = pptr() - pbase();
- ptrdiff_t eout = epptr() - pbase();
if (__strmode_ & __allocated)
{
if (__pfree_)
__pfree_(eback());
else
delete [] eback();
}
setg(buf, buf + ninp, buf + einp);
- setp(buf + einp, buf + einp + eout);
+ setp(buf + einp, buf + new_size);
pbump(static_cast<int>(nout));
__strmode_ |= __allocated;
}
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