[bug #64488] pic/troff.cpp: filename reported as being a "nullptr" [-Wformat-overflow=]

[Bjarni Ingi Gislason]

URL:
  <https://savannah.gnu.org/bugs/?64488>

                 Summary: pic/troff.cpp: filename reported as being a
"nullptr"   [-Wformat-overflow=]
                   Group: GNU roff
               Submitter: bjarniig
               Submitted: Fri 28 Jul 2023 10:50:36 PM UTC
                Category: Core
                Severity: 3 - Normal
              Item Group: Warning/Suspicious behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None


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Follow-up Comments:


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Date: Fri 28 Jul 2023 10:50:36 PM UTC By: Bjarni Ingi Gislason <bjarniig>
Subject: pic/troff.cpp: filename reported as being a "nullptr"
  [-Wformat-overflow=]

  Filename: src/preproc/pic/troff.cpp.

  With g++ (Debian trixie, (Debian 13.1.0-9) 13.1.0):


  CXX      src/preproc/pic/pic-troff.o
../src/preproc/pic/troff.cpp: In member function 'virtual void
troff_output::set_location(const char*, int)':
../src/preproc/pic/troff.cpp:567:20: warning: '%s' directive argument is null
[-Wformat-overflow=]
  567 |     printf(".lf %d %s\n", n, s);
      |                    ^~
  CXX      src/preproc/pic/pic-tex.o









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