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C90 compatibility cleanup in mdb.

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Fix void* pointer arithmetic in cintcmp().
Fix invalid ';'s in declarations after possibly-empty macros.
This commit is contained in:
Hallvard Furuseth 2011-09-10 10:11:55 +02:00
parent 3dc8fa491a
commit c5dad7a6d0
1 changed files with 5 additions and 5 deletions
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10
libraries/libmdb/mdb.c
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@ -243,7 +243,7 @@ typedef ULONG pgno_t;
*/
#define DKEY(x) mdb_dkey(x, kbuf)
#else
#define DKBUF
#define DKBUF typedef int dummy_kbuf /* so we can put ';' after */
#define DKEY(x)
#endif
@ -268,7 +268,7 @@ typedef ULONG pgno_t;
#define LAZY_RWLOCK_WRLOCK(x)
/** Grab the DB table read lock */
#define LAZY_RWLOCK_RDLOCK(x)
/** Declare the DB table rwlock */
/** Declare the DB table rwlock. Should not be followed by ';'. */
#define LAZY_RWLOCK_DEF(x)
/** Initialize the DB table rwlock */
#define LAZY_RWLOCK_INIT(x,y)
@ -781,7 +781,7 @@ struct MDB_env {
/** ID2L of pages that were written during a write txn */
ID2 me_dirty_list[MDB_IDL_UM_SIZE];
/** rwlock for the DB tables, if #LAZY_LOCKS is false */
LAZY_RWLOCK_DEF(me_dblock);
LAZY_RWLOCK_DEF(me_dblock)
#ifdef _WIN32
HANDLE me_rmutex; /* Windows mutexes don't reside in shared mem */
HANDLE me_wmutex;
@ -2316,8 +2316,8 @@ cintcmp(const MDB_val *a, const MDB_val *b)
unsigned short *u, *c;
int x;
u = a->mv_data + a->mv_size;
c = b->mv_data + a->mv_size;
u = (unsigned short *) ((char *) a->mv_data + a->mv_size);
c = (unsigned short *) ((char *) b->mv_data + a->mv_size);
do {
x = *--u - *--c;
} while(!x && u > (unsigned short *)a->mv_data);