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-rw-r--r--ChangeLog3
-rw-r--r--posix/regcomp.c8
2 files changed, 9 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index a31fa486b4..3f7759e10c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
2012-08-15 Roland McGrath <roland@hack.frob.com>
+ * posix/regcomp.c (init_word_char): Use temporaries to hold the 64-bit
+ constants, which avoids warnings in 32-bit builds.
+
* bits/fcntl.h [__USE_POSIX199309 || __USE_UNIX98]:
(O_DSYNC, O_RSYNC): New macros (with NetBSD values).
diff --git a/posix/regcomp.c b/posix/regcomp.c
index 373a52ecff..e85b235145 100644
--- a/posix/regcomp.c
+++ b/posix/regcomp.c
@@ -932,8 +932,12 @@ init_word_char (re_dfa_t *dfa)
{
if (sizeof (dfa->word_char[0]) == 8)
{
- dfa->word_char[0] = UINT64_C (0x03ff000000000000);
- dfa->word_char[1] = UINT64_C (0x07fffffe87fffffe);
+ /* The extra temporaries here avoid "implicitly truncated"
+ warnings in the case when this is dead code, i.e. 32-bit. */
+ const uint64_t wc0 = UINT64_C (0x03ff000000000000);
+ const uint64_t wc1 = UINT64_C (0x07fffffe87fffffe);
+ dfa->word_char[0] = wc0;
+ dfa->word_char[1] = wc1;
i = 2;
}
else if (sizeof (dfa->word_char[0]) == 4)