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| author | rl1987 <rl1987@sdf.lonestar.org> | 2019-03-22 12:57:58 +0200 |
|---|---|---|
| committer | rl1987 <rl1987@sdf.lonestar.org> | 2019-03-22 12:57:58 +0200 |
| commit | 13b28063f9f2a3d2a587eabac358452a42277052 (patch) | |
| tree | 20a149f6fc566576f0a526b5e82264629de272fd | |
| parent | 72e0dc0822deb8587b3cae2edf584ece13cb6bb8 (diff) | |
| download | tor-13b28063f9f2a3d2a587eabac358452a42277052.tar.gz tor-13b28063f9f2a3d2a587eabac358452a42277052.zip | |
Compile time check for being able to fit {unsigned} int inside void pointer
| -rw-r--r-- | configure.ac | 1 | ||||
| -rw-r--r-- | src/test/test_ptr_slow.c | 9 |
2 files changed, 10 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 6036cdffe5..8ac2d71e4f 100644 --- a/configure.ac +++ b/configure.ac @@ -1588,6 +1588,7 @@ AC_CHECK_MEMBERS([struct timeval.tv_sec], , , AC_CHECK_SIZEOF(char) AC_CHECK_SIZEOF(short) AC_CHECK_SIZEOF(int) +AC_CHECK_SIZEOF(unsigned int) AC_CHECK_SIZEOF(long) AC_CHECK_SIZEOF(long long) AC_CHECK_SIZEOF(__int64) diff --git a/src/test/test_ptr_slow.c b/src/test/test_ptr_slow.c index 0142fd1c8a..37560d4359 100644 --- a/src/test/test_ptr_slow.c +++ b/src/test/test_ptr_slow.c @@ -11,6 +11,15 @@ #include <stdint.h> #include <limits.h> +#if SIZEOF_INT > SIZEOF_VOID_P +#error "sizeof(int) > sizeof(void *) - Tor cannot be built on this platform!" +#endif + +#if SIZEOF_UNSIGNED_INT > SIZEOF_VOID_P +#error "sizeof(unsigned int) > sizeof(void *) - Tor cannot be built on this \ +platform!" +#endif + /** Assert that <b>a</b> can be cast to void * and back. */ static void assert_int_voidptr_roundtrip(int a) |