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| author | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
|---|---|---|
| committer | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
| commit | f154da9e12608589e8d5f0508f908a0c3e88a1bb (patch) | |
| tree | f8255d51e10c6f1e0ed69702200b966c9556a431 /src/cmd/gc/bv.c | |
| parent | 8d8329ed5dfb9622c82a9fbec6fd99a580f9c9f6 (diff) | |
| download | golang-upstream/1.4.tar.gz | |
Imported Upstream version 1.4upstream/1.4
Diffstat (limited to 'src/cmd/gc/bv.c')
| -rw-r--r-- | src/cmd/gc/bv.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/cmd/gc/bv.c b/src/cmd/gc/bv.c index 0e8f8d473..cfd1cd281 100644 --- a/src/cmd/gc/bv.c +++ b/src/cmd/gc/bv.c @@ -108,6 +108,9 @@ bvnext(Bvec *bv, int32 i) { uint32 w; + if(i >= bv->n) + return -1; + // Jump i ahead to next word with bits. if((bv->b[i>>WORDSHIFT]>>(i&WORDMASK)) == 0) { i &= ~WORDMASK; @@ -117,7 +120,7 @@ bvnext(Bvec *bv, int32 i) } if(i >= bv->n) return -1; - + // Find 1 bit. w = bv->b[i>>WORDSHIFT]>>(i&WORDMASK); while((w&1) == 0) { |