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New method.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19765 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-01-23 03:11:38 +00:00
parent 304d0f3076
commit fc54a35956
1 changed files with 13 additions and 0 deletions
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13
include/llvm/Support/FileUtilities.h
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@ -28,6 +28,19 @@ namespace llvm {
bool DiffFiles(const std::string &FileA, const std::string &FileB,
std::string *Error = 0);
/// DiffFilesWithTolerance - Compare the two files specified, returning 0 if the
/// files match, 1 if they are different, and 2 if there is a file error. This
/// function differs from DiffFiles in that you can specify an absolete and
/// relative FP error that is allowed to exist. If you specify a string to fill
/// in for the error option, it will set the string to an error message if an
/// error occurs, allowing the caller to distinguish between a failed diff and a
/// file system error.
///
int DiffFilesWithTolerance(const std::string &FileA, const std::string &FileB,
double AbsTol, double RelTol,
std::string *Error = 0);
/// MoveFileOverIfUpdated - If the file specified by New is different than Old,
/// or if Old does not exist, move the New file over the Old file. Otherwise,
/// remove the New file.