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25 lines
896 B
25 lines
896 B
diff -up diffutils-3.7/lib/c-stack.c.sigstksz diffutils-3.7/lib/c-stack.c |
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--- diffutils-3.7/lib/c-stack.c.sigstksz 2021-04-12 10:58:48.892279388 +0100 |
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+++ diffutils-3.7/lib/c-stack.c 2021-04-12 11:04:59.488695551 +0100 |
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@@ -52,12 +52,18 @@ typedef struct sigaltstack stack_t; |
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#endif |
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#ifndef SIGSTKSZ |
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# define SIGSTKSZ 16384 |
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-#elif HAVE_LIBSIGSEGV && SIGSTKSZ < 16384 |
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+#elif HAVE_LIBSIGSEGV |
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/* libsigsegv 2.6 through 2.8 have a bug where some architectures use |
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more than the Linux default of an 8k alternate stack when deciding |
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if a fault was caused by stack overflow. */ |
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-# undef SIGSTKSZ |
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-# define SIGSTKSZ 16384 |
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+# if defined _SC_SIGSTKSZ && _SC_SIGSTKSZ < 16384 |
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+ /* glibc 2.34 defines SIGSTKSZ to sysconf (_SC_SIGSTKSZ) */ |
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+# undef SIGSTKSZ |
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+# define SIGSTKSZ 16384 |
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+# elif SIGSTKSZ < 16384 |
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+# undef SIGSTKSZ |
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+# define SIGSTKSZ 16384 |
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+# endif |
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#endif |
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#include <stdlib.h>
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