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commit 12da14a59135fe331f294b91488c1bdf55b35b4e
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Author: Joseph Myers <joseph@codesourcery.com>
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Date: Wed Nov 26 12:54:39 2014 +0000
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Fix warnings in fwscanf / rewind tests.
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This patch fixes "set but not used" warnings in the tests
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libio/bug-rewind.c and libio/bug-rewind2.c by checking the return
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values from fwscanf and making the tests fail if those values aren't
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as expected.
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Tested for x86_64.
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* libio/bug-rewind.c (do_test): Check fwscanf return values.
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* libio/bug-rewind2.c (do_test): Likewise.
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diff --git a/libio/bug-rewind.c b/libio/bug-rewind.c
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index 4f8242df3d6d1f75..1734de285f30fff4 100644
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--- a/libio/bug-rewind.c
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+++ b/libio/bug-rewind.c
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@@ -52,9 +52,19 @@ do_test (void)
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rewind (fptr);
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ret1 = fwscanf (fptr, L"%c%c", &arg1, &arg2);
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+ if (ret1 != 2)
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+ {
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+ printf ("first fwscanf returned %d, expected 2\n", ret1);
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+ return 3;
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+ }
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rewind (fptr);
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ret2 = fwscanf (fptr, L"%c%n%c", &arg1, &num, &arg2);
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+ if (ret2 != 2)
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+ {
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+ printf ("second fwscanf returned %d, expected 2\n", ret2);
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+ return 4;
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+ }
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if (arg2 != 'd')
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{
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diff --git a/libio/bug-rewind2.c b/libio/bug-rewind2.c
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index 51b574433029f835..496f628675b36fcc 100644
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--- a/libio/bug-rewind2.c
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+++ b/libio/bug-rewind2.c
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@@ -45,6 +45,11 @@ do_test (void)
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rewind (fp);
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ret = fwscanf (fp, L"%c", dummy);
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+ if (ret != 1)
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+ {
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+ printf ("fwscanf returned %d, expected 1\n", ret);
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+ result = 1;
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+ }
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printf ("current pos = %ld\n", ftell (fp));
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if (ftell (fp) != 1)
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