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[SR-2666] CFStringGetCString fails with bufferSize 1 for zero length strings #3932

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johnno1962 opened this issue Sep 16, 2016 · 0 comments

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johnno1962 commented Sep 16, 2016


Previous ID	SR-2666
Radar	None
Original Reporter	@johnno1962
Type	Bug
Status	Closed
Resolution	Done

Additional Detail from JIRA


Votes	0
Component/s	Foundation
Labels	Bug
Assignee	@johnno1962
Priority	Medium

md5: e7ebf0e1d370230c4351c00395881ddc

Issue Description:

During the port to Android of Foundation #622 I was seeing a crash in CFStringGetCString when called for zero length strings (bufferSize == 1) and had to put some defensive code around it https://github.com/SwiftJava/swift-corelibs-foundation/blob/master/CoreFoundation/Base.subproj/CFUtilities.c#L790. Was crashing at line https://github.com/SwiftJava/swift-corelibs-foundation/blob/master/CoreFoundation/String.subproj/CFString.c#L2182.

swift-ci transferred this issue from apple/swift-issues

shahmishal transferred this issue from apple/swift

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