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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-05-25 15:07:51 +0200 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-05-25 15:07:51 +0200 |
| commit | b89570e31cfb84449241e363a595540b8810c217 (patch) | |
| tree | a2be1d5d66e0131649768a2a3448fa4a28c268c9 /embedding/components/find/nsFind.cpp | |
| parent | 915ffc660053cc48153c00dec66b913517dba794 (diff) | |
| download | UXP-b89570e31cfb84449241e363a595540b8810c217.tar UXP-b89570e31cfb84449241e363a595540b8810c217.tar.gz UXP-b89570e31cfb84449241e363a595540b8810c217.tar.lz UXP-b89570e31cfb84449241e363a595540b8810c217.tar.xz UXP-b89570e31cfb84449241e363a595540b8810c217.zip | |
Make nsFind::Find handle empty string searches.
Diffstat (limited to 'embedding/components/find/nsFind.cpp')
| -rw-r--r-- | embedding/components/find/nsFind.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/embedding/components/find/nsFind.cpp b/embedding/components/find/nsFind.cpp index 5fc1f9db6..6987c11d3 100644 --- a/embedding/components/find/nsFind.cpp +++ b/embedding/components/find/nsFind.cpp @@ -966,6 +966,11 @@ nsFind::Find(const char16_t* aPatText, nsIDOMRange* aSearchRange, const char16_t* patStr = patAutoStr.get(); int32_t patLen = patAutoStr.Length() - 1; + + // If this function is called with an empty string, we should early exit. + if (patLen < 0) { + return NS_OK; + } // current offset into the pattern -- reset to beginning/end: int32_t pindex = (mFindBackward ? patLen : 0); |