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authorBrian Behlendorf <[email protected]>2008-12-11 11:08:09 -0800
committerBrian Behlendorf <[email protected]>2008-12-11 11:08:09 -0800
commit172bb4bd5e4afef721dd4d2972d8680d983f144b (patch)
tree18ab1e97e5e409150066c529b5a981ecf600ef80 /lib/libuutil/uu_alloc.c
parent9e8b1e836caa454586797f771a7ad1817ebae315 (diff)
Move the world out of /zfs/ and seperate out module build tree
Diffstat (limited to 'lib/libuutil/uu_alloc.c')
-rw-r--r--lib/libuutil/uu_alloc.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/lib/libuutil/uu_alloc.c b/lib/libuutil/uu_alloc.c
new file mode 100644
index 000000000..05d862287
--- /dev/null
+++ b/lib/libuutil/uu_alloc.c
@@ -0,0 +1,98 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include "libuutil_common.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void *
+uu_zalloc(size_t n)
+{
+ void *p = malloc(n);
+
+ if (p == NULL) {
+ uu_set_error(UU_ERROR_SYSTEM);
+ return (NULL);
+ }
+
+ (void) memset(p, 0, n);
+
+ return (p);
+}
+
+void
+uu_free(void *p)
+{
+ free(p);
+}
+
+char *
+uu_strdup(const char *str)
+{
+ char *buf = NULL;
+
+ if (str != NULL) {
+ size_t sz;
+
+ sz = strlen(str) + 1;
+ buf = uu_zalloc(sz);
+ if (buf != NULL)
+ (void) memcpy(buf, str, sz);
+ }
+ return (buf);
+}
+
+char *
+uu_msprintf(const char *format, ...)
+{
+ va_list args;
+ char attic[1];
+ uint_t M, m;
+ char *b;
+
+ va_start(args, format);
+ M = vsnprintf(attic, 1, format, args);
+ va_end(args);
+
+ for (;;) {
+ m = M;
+ if ((b = uu_zalloc(m + 1)) == NULL)
+ return (NULL);
+
+ va_start(args, format);
+ M = vsnprintf(b, m + 1, format, args);
+ va_end(args);
+
+ if (M == m)
+ break; /* sizes match */
+
+ uu_free(b);
+ }
+
+ return (b);
+}