nethack-gwaa-kiwi/nethack
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part2: remediate some nonnull-related compiler warnings

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do.c:296:16: warning: nonnull parameter 'obj' will evaluate to 'true' on first encounter [-Wpointer-bool-conversion]
  296 |         while (obj && (otmp = obj_nexto_xy(obj, x, y, TRUE)) != 0) {
      |                ^~~ ~~
../include/extern.h:538:43: note: declared 'nonnull' here
  538 |                             const char *) NONNULLPTRS;
      |                                           ^
../include/tradstdc.h:378:36: note: expanded from macro 'NONNULLPTRS'
  378 | #define NONNULLPTRS __attribute__((nonnull))
      |                                    ^
1 warning generated.

invent.c:807:12: warning: nonnull parameter 'objlist' will evaluate to 'true' on first encounter [-Wpointer-bool-conversion]
  807 |     while (objlist) {
      |     ~~~~~  ^~~~~~~
../include/extern.h:1230:61: note: declared 'nonnull' here
 1230 | extern struct obj *merge_choice(struct obj *, struct obj *) NONNULLPTRS;
      |                                                             ^
../include/tradstdc.h:378:36: note: expanded from macro 'NONNULLPTRS'
  378 | #define NONNULLPTRS __attribute__((nonnull))
      |                                    ^
1 warning generated.

monmove.c:2091:23: warning: nonnull parameter 'mtmp' will evaluate to 'true' on first encounter [-Wpointer-bool-conversion]
 2091 |     boolean is_pet = (mtmp && mtmp->mtame && !mtmp->isminion);
      |                       ^~~~ ~~
../include/extern.h:1844:67: note: declared 'nonnull' here
 1844 | extern boolean undesirable_disp(struct monst *, coordxy, coordxy) NONNULLARG1;
      |                                                                   ^
../include/tradstdc.h:379:36: note: expanded from macro 'NONNULLARG1'
  379 | #define NONNULLARG1 __attribute__((nonnull (1)))
      |                                    ^
1 warning generated.

nhlua.c:2095:9: warning: nonnull parameter 'L' will evaluate to 'true' on first encounter [-Wpointer-bool-conversion]
 2095 |     if (L)
      |     ~~  ^
../include/extern.h:1985:35: note: declared 'nonnull' here
 1985 | extern void nhl_done(lua_State *) NONNULLARG1;
      |                                   ^
../include/tradstdc.h:379:36: note: expanded from macro 'NONNULLARG1'
  379 | #define NONNULLARG1 __attribute__((nonnull (1)))
      |                                    ^
1 warning generated.

steal.c:59:12: warning: nonnull parameter 'chain' will evaluate to 'true' on first encounter [-Wpointer-bool-conversion]
   59 |     while (chain && chain->otyp != GOLD_PIECE)
      |            ^~~~~ ~~
../include/extern.h:2910:43: note: declared 'nonnull' here
 2910 | extern struct obj *findgold(struct obj *) NONNULLARG1;
      |                                           ^
../include/tradstdc.h:379:36: note: expanded from macro 'NONNULLARG1'
  379 | #define NONNULLARG1 __attribute__((nonnull (1)))
      |                                    ^
1 warning generated.

utf8map.c:232:9: warning: nonnull parameter 'gmap' will evaluate to 'true' on first encounter [-Wpointer-bool-conversion]
  232 |     if (gmap) {
      |     ~~  ^~~~
../include/extern.h:3318:28: note: declared 'nonnull' here
 3318 |               long ucolor) NONNULLPTRS;
      |                            ^
../include/tradstdc.h:378:36: note: expanded from macro 'NONNULLPTRS'
  378 | #define NONNULLPTRS __attribute__((nonnull))
      |                                    ^
1 warning generated.

worn.c:895:15: warning: nonnull parameter 'objchain' will evaluate to 'true' on first encounter [-Wpointer-bool-conversion]
  895 |     if (on && objchain)
      |            ~~ ^~~~~~~~
../include/extern.h:3664:51: note: declared 'nonnull' here
 3664 | extern void bypass_objlist(struct obj *, boolean) NONNULLARG1;
      |                                                   ^
../include/tradstdc.h:379:36: note: expanded from macro 'NONNULLARG1'
  379 | #define NONNULLARG1 __attribute__((nonnull (1)))
      |                                    ^
worn.c:897:12: warning: nonnull parameter 'objchain' will evaluate to 'true' on first encounter [-Wpointer-bool-conversion]
  897 |     while (objchain) {
      |     ~~~~~  ^~~~~~~~
../include/extern.h:3664:51: note: declared 'nonnull' here
 3664 | extern void bypass_objlist(struct obj *, boolean) NONNULLARG1;
      |                                                   ^
../include/tradstdc.h:379:36: note: expanded from macro 'NONNULLARG1'
  379 | #define NONNULLARG1 __attribute__((nonnull (1)))
      |                                    ^
worn.c:908:12: warning: nonnull parameter 'objchain' will evaluate to 'true' on first encounter [-Wpointer-bool-conversion]
  908 |     while (objchain) {
      |     ~~~~~  ^~~~~~~~
../include/extern.h:3665:53: note: declared 'nonnull' here
 3665 | extern struct obj *nxt_unbypassed_obj(struct obj *) NONNULLARG1;
      |                                                     ^
../include/tradstdc.h:379:36: note: expanded from macro 'NONNULLARG1'
  379 | #define NONNULLARG1 __attribute__((nonnull (1)))
      |                                    ^
3 warnings generated.
This commit is contained in:
nhmall
2023-12-14 20:06:57 -05:00
parent 978ec6a3a7
commit 6467b983eb
7 changed files with 53 additions and 39 deletions
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6
src/nhlua.c
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@@ -2092,8 +2092,10 @@ RESTORE_WARNING_CONDEXPR_IS_CONSTANT
void
nhl_done(lua_State *L)
{
if (L)
lua_close(L);
lua_State *L2 = L; /* allow arg to be declared nonnull */
if (L2)
lua_close(L2);
iflags.in_lua = FALSE;
}