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87 lines
3.2 KiB
87 lines
3.2 KiB
commit 6ff61a51459d141782fbcc32ae81c0ef1954dad6
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Author: Joseph Myers <joseph@codesourcery.com>
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Date: Mon Oct 4 19:10:43 2021 +0000
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Fix stdio-common tests for GCC 12 -Waddress
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My glibc bot shows failures building the testsuite with GCC mainline
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across all architectures:
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tst-vfprintf-width-prec.c: In function 'do_test':
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tst-vfprintf-width-prec.c:90:16: error: the comparison will always evaluate as 'false' for the address of 'result' will never be NULL [-Werror=address]
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90 | if (result == NULL)
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| ^~
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tst-vfprintf-width-prec.c:89:13: note: 'result' declared here
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89 | wchar_t result[100];
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| ^~~~~~
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This is clearly a correct warning; the comparison against NULL is
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clearly a cut-and-paste mistake from an earlier case in the test that
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does use calloc. Thus, remove the unnecessary check for NULL shown up
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by the warning.
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Similarly, two other tests have bogus comparisons against NULL; remove
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those as well:
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scanf14a.c:95:13: error: the comparison will always evaluate as 'false' for the address of 'fname' will never be NULL [-Werror=address]
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95 | if (fname == NULL)
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| ^~
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scanf14a.c:93:8: note: 'fname' declared here
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93 | char fname[strlen (tmpdir) + sizeof "/tst-scanf14.XXXXXX"];
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| ^~~~~
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scanf16a.c:125:13: error: the comparison will always evaluate as 'false' for the address of 'fname' will never be NULL [-Werror=address]
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125 | if (fname == NULL)
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| ^~
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scanf16a.c:123:8: note: 'fname' declared here
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123 | char fname[strlen (tmpdir) + sizeof "/tst-scanf16.XXXXXX"];
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| ^~~~~
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Tested with build-many-glibcs.py (GCC mainline) for aarch64-linux-gnu.
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(cherry picked from commit a312e8fe6d89f5eae6a4583d5db577121e61c0b5)
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diff --git a/stdio-common/scanf14a.c b/stdio-common/scanf14a.c
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index 12adcff5a4970da1..b37712d1c673fa3a 100644
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--- a/stdio-common/scanf14a.c
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+++ b/stdio-common/scanf14a.c
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@@ -92,8 +92,6 @@ main (void)
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char fname[strlen (tmpdir) + sizeof "/tst-scanf14.XXXXXX"];
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sprintf (fname, "%s/tst-scanf14.XXXXXX", tmpdir);
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- if (fname == NULL)
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- FAIL ();
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/* Create a temporary file. */
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int fd = mkstemp (fname);
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diff --git a/stdio-common/scanf16a.c b/stdio-common/scanf16a.c
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index 400d85a54e81c3cb..74d0295c97f73b14 100644
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--- a/stdio-common/scanf16a.c
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+++ b/stdio-common/scanf16a.c
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@@ -122,8 +122,6 @@ main (void)
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char fname[strlen (tmpdir) + sizeof "/tst-scanf16.XXXXXX"];
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sprintf (fname, "%s/tst-scanf16.XXXXXX", tmpdir);
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- if (fname == NULL)
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- FAIL ();
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/* Create a temporary file. */
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int fd = mkstemp (fname);
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diff --git a/stdio-common/tst-vfprintf-width-prec.c b/stdio-common/tst-vfprintf-width-prec.c
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index 3192fd797ad4ea90..278d57f739f576e9 100644
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--- a/stdio-common/tst-vfprintf-width-prec.c
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+++ b/stdio-common/tst-vfprintf-width-prec.c
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@@ -87,12 +87,6 @@ do_test (void)
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}
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{
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wchar_t result[100];
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- if (result == NULL)
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- {
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- printf ("error: calloc (%d, %zu): %m", ret + 1, sizeof (wchar_t));
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- return 1;
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- }
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-
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ret = swprintf (result, 100, L"%133000.999999999x", 17);
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if (ret >= 0)
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{
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