[Git][ghc/ghc][master] osReserveHeapMemory: handle signed rlim_t

[Marge Bot]

 Marge Bot pushed to branch master at Glasgow Haskell Compiler / GHC


Commits:
6a491726 by Fraser Tweedale at 2019-04-23T13:27:30Z
osReserveHeapMemory: handle signed rlim_t

rlim_t is a signed type on FreeBSD, and the build fails with a
sign-compare error.  Add explicit (unsigned) cast to handle this
case.

- - - - -


1 changed file:

- rts/posix/OSMem.c


Changes:

=====================================
rts/posix/OSMem.c
=====================================
@@ -546,10 +546,12 @@ void *osReserveHeapMemory(void *startAddressPtr, W_ *len)
 
 #if defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_SYS_TIME_H)
     struct rlimit limit;
+    /* rlim_t is signed on some platforms, including FreeBSD;
+     * explicitly cast to avoid sign compare error */
     if (!getrlimit(RLIMIT_AS, &limit)
         && limit.rlim_cur > 0
-        && *len > limit.rlim_cur) {
-        *len = limit.rlim_cur;
+        && *len > (unsigned) limit.rlim_cur) {
+        *len = (unsigned) limit.rlim_cur;
     }
 #endif
 



View it on GitLab: https://gitlab.haskell.org/ghc/ghc/commit/6a491726bbe000c4b0effc4175caaaabc7416f1e

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/commit/6a491726bbe000c4b0effc4175caaaabc7416f1e
You're receiving this email because of your account on gitlab.haskell.org.


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.haskell.org/pipermail/ghc-commits/attachments/20190423/046a84cc/attachment.html>