[Bug general/21011] New: "may be used uninitialized" error with -Werror=maybe-uninitialized

luizluca at gmail dot com sourceware-bugzilla@sourceware.org
Fri Dec 30 21:38:00 GMT 2016


            Bug ID: 21011
           Summary: "may be used uninitialized" error with
           Product: elfutils
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: general
          Assignee: unassigned at sourceware dot org
          Reporter: luizluca at gmail dot com
                CC: elfutils-devel at sourceware dot org
  Target Milestone: ---


I get this error when compiling with -Werror=maybe-uninitialized

elf_getarsym.c: In function 'elf_getarsym':
elf_getarsym.c:200:14: error: 'n' may be used uninitialized in this function
       size_t ar_sym_len = (n + 1) * sizeof (Elf_Arsym);

I know that read_number_entries define its values unconditionally but it won't
hurt to simply use:

  uint64_t n = 0;

Is it ok?

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