aboutsummaryrefslogtreecommitdiff
path: root/engines/sci/engine/kernel32.cpp
diff options
context:
space:
mode:
authorFilippos Karapetis2010-06-16 21:59:21 +0000
committerFilippos Karapetis2010-06-16 21:59:21 +0000
commitfa0011f51216d926d0922fba7bfb1ed65958dff2 (patch)
tree22a20c2e4e834ce79fef9d287737f67fd62b4ed8 /engines/sci/engine/kernel32.cpp
parent20d8de27bad1e9e8cd218c258ec863f89219b49c (diff)
downloadscummvm-rg350-fa0011f51216d926d0922fba7bfb1ed65958dff2.tar.gz
scummvm-rg350-fa0011f51216d926d0922fba7bfb1ed65958dff2.tar.bz2
scummvm-rg350-fa0011f51216d926d0922fba7bfb1ed65958dff2.zip
Added a sanity check inside kMulDiv
svn-id: r49910
Diffstat (limited to 'engines/sci/engine/kernel32.cpp')
-rw-r--r--engines/sci/engine/kernel32.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/engines/sci/engine/kernel32.cpp b/engines/sci/engine/kernel32.cpp
index d35dd38792..7067e87c60 100644
--- a/engines/sci/engine/kernel32.cpp
+++ b/engines/sci/engine/kernel32.cpp
@@ -884,6 +884,12 @@ reg_t kMulDiv(EngineState *s, int argc, reg_t *argv) {
int16 multiplier = argv[1].toSint16();
int16 denominator = argv[2].toSint16();
+ // Sanity check...
+ if (!denominator) {
+ warning("kMulDiv: attempt to divide by zero (%d * %d / %d", multiplicant, multiplier, denominator);
+ return NULL_REG;
+ }
+
return make_reg(0, multiplicant * multiplier / denominator);
}