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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - libclang/Windows: preamble file is not deleted on clang_disposeTranslationUnit()"
href="https://llvm.org/bugs/show_bug.cgi?id=25741">25741</a>
</td>
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<th>Summary</th>
<td>libclang/Windows: preamble file is not deleted on clang_disposeTranslationUnit()
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Windows 2000
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>libclang
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>nikolai.kosjar@theqtcompany.com
</td>
</tr>
<tr>
<th>CC</th>
<td>klimek@google.com, llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Generated preamble files are deleted on Linux, but not on Windows. As a result,
the preamble files accumulate in %TEMP% until the disk is full. Preamble files
up to 20MB are not unusual for some *.cpp files.
Reproducible with libclang 3.6.2 and libclang from trunk (3.8, r253269).
Used test code (pass in a suitable file):
#include <clang-c/Index.h>
#include <cstdlib>
#include <cstdio>
#include <vector>
int main(int argc, char *argv[])
{
if (argc != 2) {
fprintf(stderr, "Usage: $0 <file>\n");
return 0;
}
const char *filePath = argv[1];
// Construct parse arguments
std::vector<const char *> arguments;
arguments.push_back(filePath);
// Parse
CXIndex index = clang_createIndex(0, /*displayDiagnostics*/ 1);
const unsigned tuOptions = CXTranslationUnit_PrecompiledPreamble;
CXTranslationUnit tu = clang_parseTranslationUnit(index,
NULL,
arguments.data(),
arguments.size(),
NULL,
0,
tuOptions);
// Re-parse in order to create the preamble file
clang_reparseTranslationUnit(tu, NULL, 0, 0);
// Dispose the TU + index
clang_disposeTranslationUnit(tu);
clang_disposeIndex(index);
return 0;
}</pre>
</div>
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