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[tor-commits] [tor/release-0.3.3] Attempt to fix 32-bit clang builds, which broke with 31508a0abccfee1cd



commit 46795a7be63b9a1b90a59fcf9efda4f4f1eacc37
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Thu Apr 12 12:24:36 2018 -0400

    Attempt to fix 32-bit clang builds, which broke with 31508a0abccfee1cd
    
    When size_t is 32 bits, the unit tests can't fit anything more than
    4GB-1 into a size_t.
    
    Additionally, tt_int_op() uses "long" -- we need tt_u64_op() to
    safely test uint64_t values for equality.
    
    Bug caused by tests for #24782 fix; not in any released Tor.
---
 src/test/test_config.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/test/test_config.c b/src/test/test_config.c
index d82f6d21d..e214a8277 100644
--- a/src/test/test_config.c
+++ b/src/test/test_config.c
@@ -5626,10 +5626,10 @@ test_config_compute_max_mem_in_queues(void *data)
 
 #if SIZEOF_VOID_P >= 8
   /* We are on a 64-bit system. */
-  tt_int_op(compute_real_max_mem_in_queues(0, 0), OP_EQ, GIGABYTE(8));
+  tt_u64_op(compute_real_max_mem_in_queues(0, 0), OP_EQ, GIGABYTE(8));
 #else
   /* We are on a 32-bit system. */
-  tt_int_op(compute_real_max_mem_in_queues(0, 0), OP_EQ, GIGABYTE(1));
+  tt_u64_op(compute_real_max_mem_in_queues(0, 0), OP_EQ, GIGABYTE(1));
 #endif
 
   /* We are able to detect the amount of RAM on the system. */
@@ -5639,7 +5639,7 @@ test_config_compute_max_mem_in_queues(void *data)
   total_system_memory_output = GIGABYTE(1);
 
   /* We have 0.75 * RAM available. */
-  tt_int_op(compute_real_max_mem_in_queues(0, 0), OP_EQ,
+  tt_u64_op(compute_real_max_mem_in_queues(0, 0), OP_EQ,
             3 * (GIGABYTE(1) / 4));
 
   /* We are running on a tiny machine with 256 MB of RAM. */
@@ -5648,28 +5648,30 @@ test_config_compute_max_mem_in_queues(void *data)
   /* We will now enforce a minimum of 256 MB of RAM available for the
    * MaxMemInQueues here, even though we should only have had 0.75 * 256 = 192
    * MB available. */
-  tt_int_op(compute_real_max_mem_in_queues(0, 0), OP_EQ, MEGABYTE(256));
+  tt_u64_op(compute_real_max_mem_in_queues(0, 0), OP_EQ, MEGABYTE(256));
 
+#if SIZEOF_SIZE_T > 4
   /* We are running on a machine with 8 GB of RAM. */
   total_system_memory_output = GIGABYTE(8);
 
   /* We will have 0.4 * RAM available. */
-  tt_int_op(compute_real_max_mem_in_queues(0, 0), OP_EQ,
+  tt_u64_op(compute_real_max_mem_in_queues(0, 0), OP_EQ,
             2 * (GIGABYTE(8) / 5));
 
   /* We are running on a machine with 16 GB of RAM. */
   total_system_memory_output = GIGABYTE(16);
 
   /* We will have 0.4 * RAM available. */
-  tt_int_op(compute_real_max_mem_in_queues(0, 0), OP_EQ,
+  tt_u64_op(compute_real_max_mem_in_queues(0, 0), OP_EQ,
             2 * (GIGABYTE(16) / 5));
 
   /* We are running on a machine with 32 GB of RAM. */
   total_system_memory_output = GIGABYTE(32);
 
   /* We will at maximum get MAX_DEFAULT_MEMORY_QUEUE_SIZE here. */
-  tt_int_op(compute_real_max_mem_in_queues(0, 0), OP_EQ,
+  tt_u64_op(compute_real_max_mem_in_queues(0, 0), OP_EQ,
             MAX_DEFAULT_MEMORY_QUEUE_SIZE);
+#endif
 
  done:
   UNMOCK(get_total_system_memory);



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