torrentd

commit 52dae2da3ecb182a26eafc1e5178ae974e00859d
parent 99008b92ed997638d977f7cc024ecb3e4d186ecc
Author: sin <sin@2f30.org>
Date:   Thu, 17 Dec 2015 13:19:28 +0000

Add newbit()

Diffstat:
M
sbtd.h
 | 
2
++
M
util.c
 | 
19
+++++++++++++++++++

2 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/sbtd.h b/sbtd.h
@@ -36,6 +36,8 @@ void bfree(struct ben *);
 
 /* util.c */
 void *emalloc(size_t);
+void *ecalloc(size_t, size_t);
+uint32_t *newbit(int);
 void setbit(uint32_t *, int);
 void clrbit(uint32_t *, int);
 int tstbit(uint32_t *, int);
diff --git a/util.c b/util.c
@@ -39,6 +39,25 @@ emalloc(size_t size)
 	return p;
 }
 
+void *
+ecalloc(size_t n, size_t size)
+{
+	void *p;
+
+	p = calloc(n, size);
+	if (!p)
+		err(1, "calloc");
+	return p;
+}
+
+uint32_t *
+newbit(int n)
+{
+	n += 31;
+	n /= 32;
+	return ecalloc(n, 4);
+}
+
 void
 setbit(uint32_t *b, int n)
 {