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stdlib: Improve tst-realpath compatibility with source fortification
On GCC before 11, IPA can make the fortified realpath aware that the buffer size is not large enough (8 bytes instead of PATH_MAX bytes). Fix this by using a buffer that is large enough.
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@ -24,6 +24,7 @@
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <malloc.h>
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@ -50,7 +51,11 @@ void dealloc (void *p)
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char* alloc (void)
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{
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return (char *)malloc (8);
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#ifdef PATH_MAX
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return (char *)malloc (PATH_MAX);
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#else
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return (char *)malloc (4096);
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#endif
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}
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static int
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