From Philippe: This patch insures that TString.cxx's Format always work (assuming enough memory) without affecting its performance. The cases where the result was __not__ truncated are totally  unaffected.  The cases where the result was truncated go through one (or more) call to SlowFormat which might allocate more memory (as needed).
From Philippe:
This patch insures that TString.cxx's Format always work (assuming enough memory) without affecting its performance.
The cases where the result was __not__ truncated are totally  unaffected.  The cases where the result was truncated go
through one (or more) call to SlowFormat which might allocate more memory (as needed).


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@7684 27541ba8-7e3a-0410-8455-c3a389f83636

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