[LLVMbugs] [Bug 19549] New: Leak in c-index-test.c's makeClientContainer

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Apr 24 13:36:35 PDT 2014


            Bug ID: 19549
           Summary: Leak in c-index-test.c's makeClientContainer
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: libclang
          Assignee: unassignedclangbugs at nondot.org
          Reporter: nicolasweber at gmx.de
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

>From c-index-test.c, makeClientContainer:

  /* FIXME: free these.*/
  newStr = (char *)malloc(strlen(name) +
                          digitCount(line) + digitCount(column) + 3);
  sprintf(newStr, "%s:%d:%d", name, line, column);
  return (CXIdxClientContainer)newStr;

Fixing this isn't obvious, since CXIdxClientContainer is an exposed type, so
changing it isn't abi-compatible.

This blocks enabling LSan. Giving to Argyrios since he wrote this (in r142233).

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