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authorMichael Vogt <mvo@debian.org>2014-01-26 08:15:29 +0100
committerMichael Vogt <mvo@debian.org>2014-01-26 08:15:29 +0100
commit796673c38509300c988fbba2f2679ba3c76916db (patch)
tree403055b486d0a1d65561528582d4b0bdc66e53a0 /apt-pkg/contrib/mmap.cc
parent9aef3908c892f9d9349d8bf8a5ceaeea313ba0fe (diff)
parent2f958de6e883ba7b0c9895750d4dde35047f1e82 (diff)
Merge remote-tracking branch 'donkult/debian/sid' into debian/sid
Conflicts: apt-private/private-list.cc doc/po/de.po test/integration/framework
Diffstat (limited to 'apt-pkg/contrib/mmap.cc')
-rw-r--r--apt-pkg/contrib/mmap.cc8
1 files changed, 7 insertions, 1 deletions
diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc
index a176da636..51e8eb30f 100644
--- a/apt-pkg/contrib/mmap.cc
+++ b/apt-pkg/contrib/mmap.cc
@@ -352,6 +352,12 @@ unsigned long DynamicMMap::RawAllocate(unsigned long long Size,unsigned long Aln
size in the file. */
unsigned long DynamicMMap::Allocate(unsigned long ItemSize)
{
+ if (unlikely(ItemSize == 0))
+ {
+ _error->Fatal("Can't allocate an item of size zero");
+ return 0;
+ }
+
// Look for a matching pool entry
Pool *I;
Pool *Empty = 0;
@@ -412,7 +418,7 @@ unsigned long DynamicMMap::WriteString(const char *String,
unsigned long const Result = RawAllocate(Len+1,0);
- if (Result == 0 && _error->PendingError())
+ if (Base == NULL || (Result == 0 && _error->PendingError()))
return 0;
memcpy((char *)Base + Result,String,Len);