diff options
| author | Alejandro Colomar <alx@kernel.org> | 2024-11-16 16:51:31 +0100 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-11-25 16:45:59 -0300 |
| commit | 53fcdf5f743aa9b02972eec658e66f96d6a63386 (patch) | |
| tree | e1bd3ed90d89027abe4b8ba6f0dbffd833f08a9b /malloc/obstack.c | |
| parent | 83d4b42ded712bbbc22ceeefe886b8315190da5b (diff) | |
| download | glibc-53fcdf5f743aa9b02972eec658e66f96d6a63386.tar.xz glibc-53fcdf5f743aa9b02972eec658e66f96d6a63386.zip | |
Silence most -Wzero-as-null-pointer-constant diagnostics
Replace 0 by NULL and {0} by {}.
Omit a few cases that aren't so trivial to fix.
Link: <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117059>
Link: <https://software.codidact.com/posts/292718/292759#answer-292759>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
Diffstat (limited to 'malloc/obstack.c')
| -rw-r--r-- | malloc/obstack.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/malloc/obstack.c b/malloc/obstack.c index 579c693939..6e8299a73c 100644 --- a/malloc/obstack.c +++ b/malloc/obstack.c @@ -107,7 +107,7 @@ int obstack_exit_failure = EXIT_FAILURE; /* A looong time ago (before 1994, anyway; we're not sure) this global variable was used by non-GNU-C macros to avoid multiple evaluation. The GNU C library still exports it because somebody might use it. */ -struct obstack *_obstack_compat = 0; +struct obstack *_obstack_compat = NULL; compat_symbol (libc, _obstack_compat, _obstack, GLIBC_2_0); # endif # endif @@ -180,7 +180,7 @@ _obstack_begin (struct obstack *h, alignment - 1); h->chunk_limit = chunk->limit = (char *) chunk + h->chunk_size; - chunk->prev = 0; + chunk->prev = NULL; /* The initial chunk now contains no empty object. */ h->maybe_empty_object = 0; h->alloc_failed = 0; @@ -228,7 +228,7 @@ _obstack_begin_1 (struct obstack *h, int size, int alignment, alignment - 1); h->chunk_limit = chunk->limit = (char *) chunk + h->chunk_size; - chunk->prev = 0; + chunk->prev = NULL; /* The initial chunk now contains no empty object. */ h->maybe_empty_object = 0; h->alloc_failed = 0; @@ -328,12 +328,12 @@ _obstack_allocated_p (struct obstack *h, void *obj) /* We use >= rather than > since the object cannot be exactly at the beginning of the chunk but might be an empty object exactly at the end of an adjacent chunk. */ - while (lp != 0 && ((void *) lp >= obj || (void *) (lp)->limit < obj)) + while (lp != NULL && ((void *) lp >= obj || (void *) (lp)->limit < obj)) { plp = lp->prev; lp = plp; } - return lp != 0; + return lp != NULL; } /* Free objects in obstack H, including OBJ and everything allocate @@ -351,7 +351,7 @@ __obstack_free (struct obstack *h, void *obj) /* We use >= because there cannot be an object at the beginning of a chunk. But there can be an empty object at that address at the end of another chunk. */ - while (lp != 0 && ((void *) lp >= obj || (void *) (lp)->limit < obj)) + while (lp != NULL && ((void *) lp >= obj || (void *) (lp)->limit < obj)) { plp = lp->prev; CALL_FREEFUN (h, lp); @@ -366,7 +366,7 @@ __obstack_free (struct obstack *h, void *obj) h->chunk_limit = lp->limit; h->chunk = lp; } - else if (obj != 0) + else if (obj != NULL) /* obj is not in any of the chunks! */ abort (); } @@ -383,7 +383,7 @@ _obstack_memory_used (struct obstack *h) struct _obstack_chunk *lp; int nbytes = 0; - for (lp = h->chunk; lp != 0; lp = lp->prev) + for (lp = h->chunk; lp != NULL; lp = lp->prev) { nbytes += lp->limit - (char *) lp; } |