Use shifts rather than multiplies to scale up size requests.

diff --git a/vbig.cc b/vbig.cc
index 338052e6c1c56c28b578038b505911d8b37e15ab..86e24bf45d26d2f35689733ffdf3d9095fcd7e14 100644 (file)
--- a/vbig.cc
+++ b/vbig.cc
@@ -215,11 +215,11 @@ int main(int argc, char **argv) {
     if(end == argv[1])
       fatal(0, "invalid size");
     if(!strcmp(end, "K"))
     if(end == argv[1])
       fatal(0, "invalid size");
     if(!strcmp(end, "K"))

-      size *= 1024;
+      size <<= 10;

     else if(!strcmp(end, "M"))
     else if(!strcmp(end, "M"))

-      size *= 1024 * 1024;
+      size <<= 20;

     else if(!strcmp(end, "G"))
     else if(!strcmp(end, "G"))

-      size *= 1024 * 1024 * 1024;
+      size <<= 30;

     else if(*end)
       fatal(0, "invalid size");
   } else if(entireopt) {
     else if(*end)
       fatal(0, "invalid size");
   } else if(entireopt) {