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Handle error returns from lstat.

This commit is contained in:
Jeff Young 2020-01-13 20:03:53 +00:00
parent 9df2cfb328
commit 1bdcb33f75
1 changed files with 29 additions and 14 deletions
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21
common/common.cpp
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@ -865,8 +865,8 @@ long long TimestampDir( const wxString& aDirPath, const wxString& aFilespec )
std::string entry_path = dir_path + '/' + dir_entry->d_name;
struct stat entry_stat;
wxCRT_Lstat( entry_path.c_str(), &entry_stat );
if( wxCRT_Lstat( entry_path.c_str(), &entry_stat ) == 0 )
{
// Timestamp the source file, not the symlink
if( S_ISLNK( entry_stat.st_mode ) ) // wxFILE_EXISTS_SYMLINK
{
@ -875,16 +875,31 @@ long long TimestampDir( const wxString& aDirPath, const wxString& aFilespec )
if( pathLen > 0 )
{
struct stat linked_stat;
buffer[ pathLen ] = '\0';
entry_path = dir_path + buffer;
wxCRT_Lstat( entry_path.c_str(), &entry_stat );
if( wxCRT_Lstat( entry_path.c_str(), &linked_stat ) == 0 )
{
entry_stat = linked_stat;
}
else
{
// if we couldn't lstat the linked file we'll have to just use
// the symbolic link info
}
}
}
if( S_ISREG( entry_stat.st_mode ) ) // wxFileExists()
timestamp += entry_stat.st_mtime * 1000;
}
else
{
// if we couldn't lstat the file itself all we can do is use the name
timestamp += (signed) std::hash<std::string>{}( std::string( dir_entry->d_name ) );
}
}
closedir( dir );
}