Packer::canUnpack() now can return -1.

committer: mfx <mfx> 962126554 +0000
2000-06-27 17:22:34 +00:00
parent 87a1b66847
commit 51c6566092
24 changed files with 109 additions and 56 deletions
@@ -112,11 +112,17 @@ static Packer* try_unpack(Packer *p, InputFile *f)
    try {
        p->initPackHeader();
        f->seek(0,SEEK_SET);
-        if (p->canUnpack())
+        int r = p->canUnpack();
+        if (r > 0)
        {
            f->seek(0,SEEK_SET);
            return p;
        }
+        if (r < 0)
+        {
+            // FIXME - could stop testing all other unpackers at this time
+            // see canUnpack() in packer.h
+        }
    } catch (IOException&) {
    } catch (...) {
        delete p;