[TS-2959] Compiler warnings from gcc 4.9.1

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.2.3, 5.2.0
• Component/s: Core, DNS
• Assignee: Phil Sorber
• Reporter: Leif Hedstrom
• Created: 25/Jul/14 21:29
• Updated: 21/Dec/14 17:30
• Resolved: 20/Nov/14 21:23

Description

We get:

In file included from ../../iocore/hostdb/P_HostDB.h:47:0,
                 from ../../proxy/Main.cc:63:
../../iocore/hostdb/P_MultiCache.h: In member function ‘void MultiCache<C>::rebuild_element(int, char*, RebuildMC&) [with C = HostDBInfo]’:
../../iocore/hostdb/P_MultiCache.h:468:23: error: array subscript is above array bounds [-Werror=array-bounds]
   char *offset = data + level_offset[level] + bucketsize[level] * bucket;
                       ^
../../iocore/hostdb/P_MultiCache.h:468:65: error: array subscript is above array bounds [-Werror=array-bounds]
   char *offset = data + level_offset[level] + bucketsize[level] * bucket;
                                                                 ^
../../iocore/hostdb/P_MultiCache.h:487:29: error: array subscript is above array bounds [-Werror=array-bounds]
   for (block = b; block < b + elements[level]; block++) {
                             ^
../../iocore/hostdb/P_MultiCache.h:509:39: error: array subscript is above array bounds [-Werror=array-bounds]
       if (hits > ((max_hits / 2) + 1) * elements[level])
                                       ^
../../iocore/hostdb/P_MultiCache.h:511:33: error: array subscript is above array bounds [-Werror=array-bounds]
       for (block = b; block < b + elements[level]; block++) {
                                 ^
../../iocore/hostdb/P_MultiCache.h:468:23: error: array subscript is above array bounds [-Werror=array-bounds]
   char *offset = data + level_offset[level] + bucketsize[level] * bucket;
                       ^
../../iocore/hostdb/P_MultiCache.h:468:65: error: array subscript is above array bounds [-Werror=array-bounds]
   char *offset = data + level_offset[level] + bucketsize[level] * bucket;
                                                                 ^
../../iocore/hostdb/P_MultiCache.h:487:29: error: array subscript is above array bounds [-Werror=array-bounds]
   for (block = b; block < b + elements[level]; block++) {
                             ^
../../iocore/hostdb/P_MultiCache.h:509:39: error: array subscript is above array bounds [-Werror=array-bounds]
       if (hits > ((max_hits / 2) + 1) * elements[level])
                                       ^
../../iocore/hostdb/P_MultiCache.h:511:33: error: array subscript is above array bounds [-Werror=array-bounds]
       for (block = b; block < b + elements[level]; block++) {
                                 ^
../../iocore/hostdb/P_MultiCache.h:552:31: error: array subscript is above array bounds [-Werror=array-bounds]
     for (block = b; block < b + elements[level]; block++) {
                               ^
../../iocore/hostdb/P_MultiCache.h:558:31: error: array subscript is above array bounds [-Werror=array-bounds]
     for (block = b; block < b + elements[level]; block++)
                               ^
../../iocore/hostdb/P_MultiCache.h:552:31: error: array subscript is above array bounds [-Werror=array-bounds]
     for (block = b; block < b + elements[level]; block++) {
                               ^
../../iocore/hostdb/P_MultiCache.h:558:31: error: array subscript is above array bounds [-Werror=array-bounds]
     for (block = b; block < b + elements[level]; block++)
                               ^

Issue Links

• relates to: TS-3177 Compiling with G++ 4.9.2 has compile warnings in CK