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Fix warning caused by unused-result in bug-atexit3-lib.cc

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The test case dlfcn/bug-atexit3-lib.cc calls write and doesn't check the
result.  When building with GCC 6.2, this generates a warning in 'make
check', which is treated as an error.  This patch replaces the call to
write with a call to write_message.

Tested for powerpc64le.
This commit is contained in:
Gabriel F T Gomes 2016-10-28 15:57:15 -02:00 committed by Gabriel F. T. Gomes
parent f82a4bdb73
commit 1b16ff0b1e
2 changed files with 16 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2016-10-28 Gabriel F. T. Gomes <gftg@linux.vnet.ibm.com>
* dlfcn/bug-atexit3-lib.cc (write_message): New function, copied
from test-skeleton.c.
(statclass): Replace calls to write with calls to write_message.
2016-10-28 Joseph Myers <joseph@codesourcery.com>
* math/math.h

12
dlfcn/bug-atexit3-lib.cc
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@ -1,14 +1,22 @@
#include <unistd.h>
#include <string.h>
static void
write_message (const char *message)
{
ssize_t unused __attribute__ ((unused));
unused = write (STDOUT_FILENO, message, strlen (message));
}
struct statclass
{
statclass()
{
write (1, "statclass\n", 10);
write_message ("statclass\n");
}
~statclass()
{
write (1, "~statclass\n", 11);
write_message ("~statclass\n");
}
};