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* [scudo][standalone] Get statistics in a char bufferKostya Kortchinsky2019-10-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: Following up on D68471, this CL introduces some `getStats` APIs to gather statistics in char buffers (`ScopedString` really) instead of printing them out right away. Ultimately `printStats` will just output the buffer, but that allows us to potentially do some work on the intermediate buffer, and can be used for a `mallocz` type of functionality. This allows us to pretty much get rid of all the `Printf` calls around, but I am keeping the function in for debugging purposes. This changes the existing tests to use the new APIs when required. I will add new tests as suggested in D68471 in another CL. Reviewers: morehouse, hctim, vitalybuka, eugenis, cferris Reviewed By: morehouse Subscribers: delcypher, #sanitizers, llvm-commits Tags: #llvm, #sanitizers Differential Revision: https://reviews.llvm.org/D68653 llvm-svn: 374173
* [scudo][standalone] Add string utility functionsKostya Kortchinsky2019-03-191-0/+42
Summary: Add some string utility functions, notably to format strings, get lengths, convert a string to a number. Those functions will be used in reports and flags (coming up next). They were mostly borrowed from sanitizer_common. Make use of the string length function in a couple places in the platform code that was checked in with inlined version of it. Add some tests. Reviewers: morehouse, eugenis, vitalybuka, hctim Reviewed By: morehouse, vitalybuka Subscribers: mgorny, delcypher, jdoerfert, #sanitizers, llvm-commits Tags: #llvm, #sanitizers Differential Revision: https://reviews.llvm.org/D59262 llvm-svn: 356457
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