aboutsummaryrefslogtreecommitdiff
path: root/src/libexpr
diff options
context:
space:
mode:
authorEelco Dolstra <e.dolstra@tudelft.nl>2011-10-27 19:06:23 +0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2011-10-27 19:06:23 +0000
commita12095d3be095ba9d88631e21ef6d43f1ddb5cee (patch)
tree73be6d44845928a062f62d3219a3aa5da44bb6cf /src/libexpr
parent00b41e46ed02d16aeea1375c14a84df02a91efba (diff)
* In printValueAsXML, handle the case where a "type" attribute is not
a string. This happens in the NixOS option system. * Remove a bogus comparison of a unsigned integer with -1.
Diffstat (limited to 'src/libexpr')
-rw-r--r--src/libexpr/eval.cc9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc
index d0bdaf238..2b97b76fb 100644
--- a/src/libexpr/eval.cc
+++ b/src/libexpr/eval.cc
@@ -170,8 +170,8 @@ EvalState::EvalState()
size_t size = 32 * 1024 * 1024;
#if HAVE_SYSCONF && defined(_SC_PAGESIZE) && defined(_SC_PHYS_PAGES)
long pageSize = sysconf(_SC_PAGESIZE);
- long pages = sysconf (_SC_PHYS_PAGES);
- if (pageSize != -1 && size != -1)
+ long pages = sysconf(_SC_PHYS_PAGES);
+ if (pageSize != -1)
size = (pageSize * pages) / 4; // 25% of RAM
if (size > maxSize) size = maxSize;
#endif
@@ -1108,7 +1108,10 @@ bool EvalState::isDerivation(Value & v)
{
if (v.type != tAttrs) return false;
Bindings::iterator i = v.attrs->find(sType);
- return i != v.attrs->end() && forceStringNoCtx(*i->value) == "derivation";
+ if (i == v.attrs->end()) return false;
+ forceValue(*i->value);
+ if (i->value->type != tString) return false;
+ return forceStringNoCtx(*i->value) == "derivation";
}