Merge branch 'fk/use-kwset-pickaxe-grep-f'

* fk/use-kwset-pickaxe-grep-f:
  obstack.c: Fix some sparse warnings
  sparse: Fix an "Using plain integer as NULL pointer" warning
This commit is contained in:
Junio C Hamano 2011-10-05 12:36:22 -07:00
commit 6cf5b81f32
2 changed files with 8 additions and 9 deletions

View File

@ -173,7 +173,7 @@ _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;
@ -221,7 +221,7 @@ _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;
@ -321,12 +321,12 @@ _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
@ -344,7 +344,7 @@ 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);
@ -359,7 +359,7 @@ 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 ();
}
@ -376,7 +376,7 @@ _obstack_memory_used (struct obstack *h)
register struct _obstack_chunk* lp;
register 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;
}
@ -395,7 +395,6 @@ _obstack_memory_used (struct obstack *h)
# endif
static void
__attribute__ ((noreturn))
print_and_abort (void)
{
/* Don't change any of these strings. Yes, it would be possible to add

View File

@ -674,7 +674,7 @@ cwexec (kwset_t kws, char const *text, size_t len, struct kwsmatch *kwsmatch)
copy of the preceding main search loops. */
if (lim - mch > kwset->maxd)
lim = mch + kwset->maxd;
lmch = 0;
lmch = NULL;
d = 1;
while (lim - end >= d)
{