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Ensure static oom error message not detached

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Error messages that are detached are assumed to be dynamically
allocated.  Passing a pointer to the static oom error message
can cause an attempt to free the static buffer later.  This change
checks if the oom error message is about to be detached and detaches
a copy instead.
This commit is contained in:
Michael Procter 2015-07-23 13:17:08 +01:00
parent 5ef4b86015
commit c2f17bda07
1 changed files with 6 additions and 2 deletions
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8
src/errors.c
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@ -125,10 +125,14 @@ int giterr_detach(git_error *cpy)
if (!error)
return -1;
cpy->message = error->message;
if (error == &g_git_oom_error) {
cpy->message = git__strdup(error->message);
} else {
cpy->message = error->message;
error->message = NULL;
}
cpy->klass = error->klass;
error->message = NULL;
giterr_clear();
return 0;