git_treebuilder_write_with_buffer refactorings#4182
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ethomson merged 3 commits intolibgit2:masterfrom Mar 28, 2017
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While we detect errors in `git_treebuilder_write_with_buffer`, we just exit directly instead of freeing allocated memory. Fix this by remembering error codes and skipping forward to the function's cleanup code.
The `git_tree_entry *entry` variable is defined twice inside of this function. While this is not a problem currently, remove the shadowing variable to avoid future confusion.
While writing the tree inside of a buffer, we check whether the buffer runs out of memory after each tree entry. While we set the error code as soon as we detect the OOM situation, we happily proceed iterating over the entries. This is not useful at all, as we will try to write into the buffer repeatedly, which cannot work. Fix this by exiting as soon as we are OOM.
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Some small refactorings and memory leak fixes for the git_treebuilder_write_with_buffer function. This was triggered by #4181, but does not actually fix the issue.