summaryrefslogtreecommitdiffstats
path: root/embedding/components/find
diff options
context:
space:
mode:
authorwolfbeast <mcwerewolf@wolfbeast.com>2019-05-25 15:07:51 +0200
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-05-25 22:15:02 +0200
commit1692f52a5337c21c276ac1e54bbacc2b35ac4bbc (patch)
tree4aeb0db850dce0c8dbbb8487abed8ffd87745c72 /embedding/components/find
parent7258eeb1f5c1fdc43e6351cead4a039343c47f1a (diff)
downloadUXP-1692f52a5337c21c276ac1e54bbacc2b35ac4bbc.tar
UXP-1692f52a5337c21c276ac1e54bbacc2b35ac4bbc.tar.gz
UXP-1692f52a5337c21c276ac1e54bbacc2b35ac4bbc.tar.lz
UXP-1692f52a5337c21c276ac1e54bbacc2b35ac4bbc.tar.xz
UXP-1692f52a5337c21c276ac1e54bbacc2b35ac4bbc.zip
Make nsFind::Find handle empty string searches.
Diffstat (limited to 'embedding/components/find')
-rw-r--r--embedding/components/find/nsFind.cpp5
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);