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Compile time check for being able to fit {unsigned} int inside void pointer
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@ -1588,6 +1588,7 @@ AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
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AC_CHECK_SIZEOF(char)
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AC_CHECK_SIZEOF(short)
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AC_CHECK_SIZEOF(int)
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AC_CHECK_SIZEOF(unsigned int)
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AC_CHECK_SIZEOF(long)
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AC_CHECK_SIZEOF(long long)
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AC_CHECK_SIZEOF(__int64)
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@ -11,6 +11,15 @@
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#include <stdint.h>
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#include <limits.h>
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#if SIZEOF_INT > SIZEOF_VOID_P
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#error "sizeof(int) > sizeof(void *) - Tor cannot be built on this platform!"
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#endif
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#if SIZEOF_UNSIGNED_INT > SIZEOF_VOID_P
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#error "sizeof(unsigned int) > sizeof(void *) - Tor cannot be built on this \
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platform!"
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#endif
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/** Assert that <b>a</b> can be cast to void * and back. */
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static void
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assert_int_voidptr_roundtrip(int a)
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