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Diffstat (limited to 'sys/cddl/compat/opensolaris/kern/opensolaris_string.c')
-rw-r--r--sys/cddl/compat/opensolaris/kern/opensolaris_string.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/sys/cddl/compat/opensolaris/kern/opensolaris_string.c b/sys/cddl/compat/opensolaris/kern/opensolaris_string.c
new file mode 100644
index 0000000..cae984f
--- /dev/null
+++ b/sys/cddl/compat/opensolaris/kern/opensolaris_string.c
@@ -0,0 +1,102 @@
+/*
+ * 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 2007 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <sys/param.h>
+#include <sys/string.h>
+
+#define IS_DIGIT(c) ((c) >= '0' && (c) <= '9')
+
+#define IS_ALPHA(c) \
+ (((c) >= 'a' && (c) <= 'z') || ((c) >= 'A' && (c) <= 'Z'))
+
+char *
+strchr(const char *s, int c)
+{
+ char ch;
+
+ ch = c;
+ for (;; ++s) {
+ if (*s == ch)
+ return ((char *)s);
+ if (*s == '\0')
+ return (NULL);
+ }
+ /* NOTREACHED */
+}
+
+char *
+strrchr(const char *s, int c)
+{
+ char *save;
+ char ch;
+
+ ch = c;
+ for (save = NULL;; ++s) {
+ if (*s == ch)
+ save = (char *)s;
+ if (*s == '\0')
+ return (save);
+ }
+ /* NOTREACHED */
+}
+
+char *
+strpbrk(const char *s, const char *b)
+{
+ const char *p;
+
+ do {
+ for (p = b; *p != '\0' && *p != *s; ++p)
+ ;
+ if (*p != '\0')
+ return ((char *)s);
+ } while (*s++);
+
+ return (NULL);
+}
+
+/*
+ * Convert a string into a valid C identifier by replacing invalid
+ * characters with '_'. Also makes sure the string is nul-terminated
+ * and takes up at most n bytes.
+ */
+void
+strident_canon(char *s, size_t n)
+{
+ char c;
+ char *end = s + n - 1;
+
+ if ((c = *s) == 0)
+ return;
+
+ if (!IS_ALPHA(c) && c != '_')
+ *s = '_';
+
+ while (s < end && ((c = *(++s)) != 0)) {
+ if (!IS_ALPHA(c) && !IS_DIGIT(c) && c != '_')
+ *s = '_';
+ }
+ *s = 0;
+}
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