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(sos_alloc): Do type-punning through a union to be ANSI-9x compliant

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and avoid a warning from gcc.

(Logical change 1.104)
This commit is contained in:
hp.com!davidm 2003-09-25 05:29:14 +00:00
parent 29f2f89a8f
commit 522e2ccbe0
1 changed files with 6 additions and 1 deletions

7
src/mempool.c
View file

@ -46,6 +46,10 @@ sos_alloc (size_t size)
char *mem; char *mem;
#ifdef HAVE_CMPXCHG #ifdef HAVE_CMPXCHG
union {
long *lp;
char *cp;
} u;
char *old_mem; char *old_mem;
size = (size + MAX_ALIGN - 1) & -MAX_ALIGN; size = (size + MAX_ALIGN - 1) & -MAX_ALIGN;
@ -57,8 +61,9 @@ sos_alloc (size_t size)
mem += size; mem += size;
if (mem >= sos_memory + sizeof (sos_memory)) if (mem >= sos_memory + sizeof (sos_memory))
abort (); abort ();
u.cp = sos_memp;
} }
while (cmpxchg_ptr (&sos_memp, old_mem, mem) != old_mem); while (cmpxchg_ptr (&u.lp, old_mem, mem) != old_mem);
#else #else
static pthread_mutex_t sos_lock = PTHREAD_MUTEX_INITIALIZER; static pthread_mutex_t sos_lock = PTHREAD_MUTEX_INITIALIZER;
sigset_t saved_sigmask; sigset_t saved_sigmask;