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authorSteve Ellcey <sellcey@caviumnetworks.com>2016-11-02 16:00:39 -0700
committerSteve Ellcey <sellcey@caviumnetworks.com>2016-11-02 16:00:39 -0700
commit26d7185d6f0a79188fdf02c5eec6e52bb29112f8 (patch)
tree066622cce8504b58c4e52128ecd2542e66687e8e /time
parent0cb9dcc8f226ab5116df42e0e1fff06e10a85b45 (diff)
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Fix -Wformat-length warning in time/tst-strptime2.c
* time/tst-strptime2.c: Ignore -Wformat-length warning.
Diffstat (limited to 'time')
-rw-r--r--time/tst-strptime2.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/time/tst-strptime2.c b/time/tst-strptime2.c
index 7fe7350..04f7cff 100644
--- a/time/tst-strptime2.c
+++ b/time/tst-strptime2.c
@@ -4,6 +4,7 @@
#include <stdbool.h>
#include <stdio.h>
#include <time.h>
+#include <libc-internal.h>
/* Dummy string is used to match strptime's %s specifier. */
@@ -67,10 +68,20 @@ mkbuf (char *buf, bool neg, bool colon, unsigned int hhmm, size_t ndigits)
long int expect = LONG_MAX;
i = sprintf (buf, "%s %c", dummy_string, sign);
+#if __GNUC_PREREQ (7, 0)
+ /* GCC issues a warning when it thinks the snprintf buffer may be too short.
+ This test is explicitly using short buffers to force snprintf to truncate
+ the output so we ignore the warnings. */
+ DIAG_PUSH_NEEDS_COMMENT;
+ DIAG_IGNORE_NEEDS_COMMENT (7.0, "-Wformat-length");
+#endif
if (colon)
snprintf (buf + i, ndigits + 2, "%02u:%02u", hh, mm);
else
snprintf (buf + i, ndigits + 1, "%04u", hhmm);
+#if __GNUC_PREREQ (7, 0)
+ DIAG_POP_NEEDS_COMMENT;
+#endif
if (mm <= mm_max && (ndigits == 2 || ndigits == 4))
{