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Use FileName::lastModified() intead of stat() in DepTable
This patch removes explicit calls to stat() in the DepTable code. The original motivation was to get read of a stat() invokation where the error condition was not checked (spotted by coverity).
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@ -19,8 +19,6 @@
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#include "support/lstrings.h"
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#include "support/lyxtime.h"
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#include <sys/stat.h>
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#include <fstream>
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using namespace std;
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@ -41,13 +39,11 @@ void DepTable::insert(FileName const & f, bool upd)
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if (deplist.find(f) == deplist.end()) {
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dep_info di;
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di.crc_prev = 0;
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if (upd) {
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if (upd && f.exists()) {
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LYXERR(Debug::DEPEND, " CRC...");
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di.crc_cur = f.checksum();
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LYXERR(Debug::DEPEND, "done.");
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struct stat f_info;
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stat(f.toFilesystemEncoding().c_str(), &f_info);
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di.mtime_cur = long(f_info.st_mtime);
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di.mtime_cur = f.lastModified();
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} else {
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di.crc_cur = 0;
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di.mtime_cur = 0;
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@ -66,25 +62,24 @@ void DepTable::update()
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DepList::iterator itr = deplist.begin();
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while (itr != deplist.end()) {
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FileName const & fn = itr->first;
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dep_info &di = itr->second;
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struct stat f_info;
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if (stat(itr->first.toFilesystemEncoding().c_str(), &f_info) == 0) {
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if (di.mtime_cur == f_info.st_mtime) {
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if (fn.exists()) {
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if (di.mtime_cur == fn.lastModified()) {
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di.crc_prev = di.crc_cur;
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LYXERR(Debug::DEPEND, itr->first << " same mtime");
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} else {
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di.crc_prev = di.crc_cur;
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LYXERR(Debug::DEPEND, itr->first << " CRC... ");
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di.crc_cur = itr->first.checksum();
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di.crc_cur = fn.checksum();
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LYXERR(Debug::DEPEND, "done");
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}
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} else {
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// file doesn't exist
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// remove stale files - if it's re-created, it
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// will be re-inserted by deplog.
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LYXERR(Debug::DEPEND, itr->first
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<< " doesn't exist. removing from DepTable.");
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LYXERR(Debug::DEPEND, fn << " doesn't exist. removing from DepTable.");
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DepList::iterator doomed = itr++;
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deplist.erase(doomed);
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continue;
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