diff options
| -rw-r--r-- | spill.c | 12 | ||||
| -rw-r--r-- | util.c | 6 |
2 files changed, 11 insertions, 7 deletions
diff --git a/spill.c b/spill.c index c1599c0..1aab8e5 100644 --- a/spill.c +++ b/spill.c @@ -173,11 +173,13 @@ limit(BSet *b, int k, BSet *f) bsclr(b, t); tarr[i++] = t; } - if (!f) - qsort(tarr, nt, sizeof tarr[0], tcmp0); - else { - fst = f; - qsort(tarr, nt, sizeof tarr[0], tcmp1); + if (nt > 1) { + if (!f) + qsort(tarr, nt, sizeof tarr[0], tcmp0); + else { + fst = f; + qsort(tarr, nt, sizeof tarr[0], tcmp1); + } } for (i=0; i<k && i<nt; i++) bsset(b, tarr[i]); diff --git a/util.c b/util.c index f1a5383..0123e27 100644 --- a/util.c +++ b/util.c @@ -246,13 +246,15 @@ void idup(Ins **pd, Ins *s, ulong n) { *pd = alloc(n * sizeof(Ins)); - memcpy(*pd, s, n * sizeof(Ins)); + if (n) + memcpy(*pd, s, n * sizeof(Ins)); } Ins * icpy(Ins *d, Ins *s, ulong n) { - memcpy(d, s, n * sizeof(Ins)); + if (n) + memcpy(d, s, n * sizeof(Ins)); return d + n; } |