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[PATCH v3] MSVC: fix t0040-parse-options crash

From
Marat Radchenko <marat@slonopotamus.org>
Date
Mar 29, 2014, 20:09 UTC
Message-ID
<1396123762-28673-1-git-send-email-marat@slonopotamus.org>
In-Reply-To
<1396008298-1434-1-git-send-email-marat@slonopotamus.org>

On 64-bit MSVC, pointers are 64 bit but `long` is only 32. Thus, casting string to `unsigned long`, which is redundand on other platforms, throws away important bits and when later cast to `intptr_t` results in corrupt pointer.

This patch fixes test-parse-options by replacing harming cast with correct one.

Signed-off-by: Marat Radchenko <marat@slonopotamus.org>
---
Aargh! Didn't notice that V2 introduced compilation warning. Take three.
 test-parse-options.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/test-parse-options.c b/test-parse-options.c
index 434e8b8..6f6c656 100644
--- a/test-parse-options.c
+++ b/test-parse-options.c
@@ -60,7 +60,7 @@ int main(int argc, char **argv)
 		OPT_STRING('o', NULL, &string, "str", "get another string"),
 		OPT_NOOP_NOARG(0, "obsolete"),
 		OPT_SET_PTR(0, "default-string", &string,
-			"set string to default", (unsigned long)"default"),
+			"set string to default", (intptr_t)"default"),
 		OPT_STRING_LIST(0, "list", &list, "str", "add str to list"),
 		OPT_GROUP("Magic arguments"),
 		OPT_ARGUMENT("quux", "means --quux"),
-- 
1.9.0
Previous: Marat RadchenkoNext: Andreas Schwab
Message 4 of 17 in “MSVC: fix t0040-parse-options”
  1. MSVC: fix t0040-parse-optionsMarat Radchenko, Mar 28, 2014
  2. Junio C HamanoMar 28, 2014
  3. MSVC: fix t0040-parse-options crashMarat Radchenko, Mar 29, 2014
  4. MSVC: fix t0040-parse-options crashMarat Radchenko, Mar 29, 2014
  5. Andreas SchwabMar 29, 2014
  6. René ScharfeMar 29, 2014
  7. Junio C HamanoMar 30, 2014
  8. Andreas SchwabMar 30, 2014
  9. Jeff KingMar 31, 2014
  10. 0/3 Take four on fixing OPT_SET_PTR issuesMarat Radchenko, Mar 30, 2014
  11. 1/3 MSVC: fix t0040-parse-options crashMarat Radchenko, Mar 30, 2014
  12. 2/3 parse-options: add cast to correct pointer type to OPT_SET_PTRMarat Radchenko, Mar 30, 2014
  13. Junio C HamanoMar 31, 2014
  14. 3/3 parse-options: remove unused OPT_SET_PTRMarat Radchenko, Mar 30, 2014
  15. Junio C HamanoMar 31, 2014
  16. Jeff KingMar 31, 2014
  17. Junio C HamanoMar 31, 2014

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