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Suppress the "unused function" warning for select_strerror_r

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We only ever use one of the two overloads, so to avoid breaking -Werror
builds, supress the warning.

gdb/ChangeLog:

2019-12-10  Christian Biesinger  <cbiesinger@google.com>

	* gdbsupport/safe-strerror.c: Supress the unused function warning
	for select_strerror_r.

Change-Id: I344869a382bb36fe181b5b2a31838d1d20f58169
This commit is contained in:
Christian Biesinger
2019-12-10 13:42:40 -06:00
parent ab7d13f070
commit cb51113052
2 changed files with 13 additions and 0 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2019-12-10 Christian Biesinger <cbiesinger@google.com>
* gdbsupport/safe-strerror.c: Supress the unused function warning
for select_strerror_r.
2019-12-10 Christian Biesinger <cbiesinger@google.com> 2019-12-10 Christian Biesinger <cbiesinger@google.com>
* config.in: Regenerate. * config.in: Regenerate.

8
gdb/gdbsupport/safe-strerror.c
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@ -18,6 +18,7 @@
along with this program. If not, see <http://www.gnu.org/licenses/>. */ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "common-defs.h" #include "common-defs.h"
#include "diagnostics.h"
#include <string.h> #include <string.h>
/* There are two different versions of strerror_r; one is GNU-specific, the /* There are two different versions of strerror_r; one is GNU-specific, the
@ -26,6 +27,11 @@
to solve this for us because IPA does not use Gnulib but uses this to solve this for us because IPA does not use Gnulib but uses this
function. */ function. */
/* We only ever use one of the two overloads, so suppress the warning for
an unused function. */
DIAGNOSTIC_PUSH
DIAGNOSTIC_IGNORE_UNUSED_FUNCTION
/* Called if we have a XSI-compliant strerror_r. */ /* Called if we have a XSI-compliant strerror_r. */
static char * static char *
select_strerror_r (int res, char *buf) select_strerror_r (int res, char *buf)
@ -40,6 +46,8 @@ select_strerror_r (char *res, char *)
return res; return res;
} }
DIAGNOSTIC_POP
/* Implementation of safe_strerror as defined in common-utils.h. */ /* Implementation of safe_strerror as defined in common-utils.h. */
const char * const char *