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authorSiddhesh Poyarekar <siddhesh@redhat.com>2014-12-16 19:40:47 +0530
committerSiddhesh Poyarekar <siddhesh@redhat.com>2014-12-16 19:40:47 +0530
commit0cd8552045aeb0537b4f1ab5d1b30ada8ae50076 (patch)
treec466784133086fcb0337f10e95a56cba41d86eec /resolv
parenta0d424ef9d7fc34f7d1a516f38c8efb1e8692a03 (diff)
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Fix the 'array subscript is above array bounds' warning correctly
Use DIAG_IGNORE_NEEDS_COMMENT instead since the compiler should have seen that NS never goes beyond MAXNS.
Diffstat (limited to 'resolv')
-rw-r--r--resolv/res_send.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/resolv/res_send.c b/resolv/res_send.c
index 5a9882c..c35fb66 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -429,9 +429,15 @@ __libc_res_nsend(res_state statp, const u_char *buf, int buflen,
while (ns < MAXNS
&& EXT(statp).nsmap[ns] != MAXNS)
ns++;
- if (ns >= MAXNS)
+ if (ns == MAXNS)
break;
+ /* NS never exceeds MAXNS, but gcc 4.9 somehow
+ does not see this. */
+ DIAG_PUSH_NEEDS_COMMENT;
+ DIAG_IGNORE_NEEDS_COMMENT (4.9,
+ "-Warray-bounds");
EXT(statp).nsmap[ns] = n;
+ DIAG_POP_NEEDS_COMMENT;
map[n] = ns++;
}
EXT(statp).nscount = n;