Snippets for nvi 1.81.6 from Nix x86_64-linux

Sourced from https://hydra.nixos.org/log/q1lfv2y5yr4wacbpmgckagc1c54rp4wb-nvi-1.81.6.drv.

../dist/../ex/ex_cscope.c:500:45: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
  500 |                 (void)fprintf(csc->to_fp, "%d%s\n", search, tqp->tag + 2);
      |                                            ~^       ~~~~~~
      |                                             |       |
      |                                             int     size_t {aka long unsigned int}
      |                                            %ld

../dist/../ex/ex_script.c:786:1: warning: old-style function definition [-Wold-style-definition]
  786 | sscr_pty(amaster, aslave, name, termp, winp)
      | ^~~~~~~~

../dist/../ex/ex_script.c:812:40: warning: ignoring return value of 'chown' declared with attribute 'warn_unused_result' [-Wunused-result]
  812 |                                 (void) chown(line, getuid(), ttygid);
      |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

../dist/../ex/ex_visual.c:84:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'db_recno_t' {aka 'unsigned int'} [-Wformat=]
   84 |                      "%luz%c%lu", sp->lno, pos, cmdp->count);
      |                       ~~^         ~~~~~~~
      |                         |           |
      |                         |           db_recno_t {aka unsigned int}
      |                         long unsigned int
      |                       %u

../dist/../ex/ex_visual.c:86:53: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'db_recno_t' {aka 'unsigned int'} [-Wformat=]
   86 |                 len = snprintf(buf, sizeof(buf), "%luz%c", sp->lno, pos);
      |                                                   ~~^      ~~~~~~~
      |                                                     |        |
      |                                                     |        db_recno_t {aka unsigned int}
      |                                                     long unsigned int
      |                                                   %u

../dist/../common/key.c:298:42: warning: iteration 3 invokes undefined behavior [-Waggressive-loop-optimizations]
  298 |                         sp->cname[len++] = octdigit[(ch & mask) >> shift];
      |                         ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

../dist/../common/main.c:389:23: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  389 |                 (void)write(STDOUT_FILENO, p, len);
      |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

../dist/../common/recover.c:849:23: warning: ignoring return value of 'system' declared with attribute 'warn_unused_result' [-Wunused-result]
  849 |                 (void)system(buf);
      |                       ^~~~~~~~~~~

../dist/../vi/vi.h:320:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'db_recno_t' {aka 'unsigned int'} [-Wformat=]
  320 | #define O_NUMBER_FMT    "%7lu "                 /* O_NUMBER format, length. */
      |                         ^~~~~~~

../dist/../vi/vs_refresh.c:825:51: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'db_recno_t' {aka 'unsigned int'} [-Wformat=]
  825 |                     snprintf(buf, sizeof(buf), "%lu,%lu", sp->lno, curcol + 1);
      |                                                 ~~^       ~~~~~~~
      |                                                   |         |
      |                                                   |         db_recno_t {aka unsigned int}
      |                                                   long unsigned int
      |                                                 %u

../dist/../regex/engine.c:48:17: warning: old-style function definition [-Wold-style-definition]
   48 | #define matcher smatcher
      |                 ^~~~~~~~

../dist/../regex/engine.c:51:17: warning: old-style function definition [-Wold-style-definition]
   51 | #define dissect sdissect
      |                 ^~~~~~~~

../dist/../regex/engine.c:52:17: warning: old-style function definition [-Wold-style-definition]
   52 | #define backref sbackref
      |                 ^~~~~~~~

../dist/../regex/engine.c:49:17: warning: old-style function definition [-Wold-style-definition]
   49 | #define fast    sfast
      |                 ^~~~~

../dist/../regex/engine.c:50:17: warning: old-style function definition [-Wold-style-definition]
   50 | #define slow    sslow
      |                 ^~~~~

../dist/../regex/engine.c:53:17: warning: old-style function definition [-Wold-style-definition]
   53 | #define step    sstep
      |                 ^~~~~

../dist/../regex/engine.c:59:17: warning: old-style function definition [-Wold-style-definition]
   59 | #define matcher lmatcher
      |                 ^~~~~~~~

../dist/../regex/engine.c:62:17: warning: old-style function definition [-Wold-style-definition]
   62 | #define dissect ldissect
      |                 ^~~~~~~~

../dist/../regex/engine.c:63:17: warning: old-style function definition [-Wold-style-definition]
   63 | #define backref lbackref
      |                 ^~~~~~~~

../dist/../regex/engine.c:60:17: warning: old-style function definition [-Wold-style-definition]
   60 | #define fast    lfast
      |                 ^~~~~

../dist/../regex/engine.c:61:17: warning: old-style function definition [-Wold-style-definition]
   61 | #define slow    lslow
      |                 ^~~~~

../dist/../regex/engine.c:64:17: warning: old-style function definition [-Wold-style-definition]
   64 | #define step    lstep
      |                 ^~~~~

../dist/../cl/cl_funcs.c:242:23: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  242 |                 (void)write(STDOUT_FILENO, "\07", 1);           /* \a */
      |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~