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-rw-r--r--sys/libkern/gets.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/sys/libkern/gets.c b/sys/libkern/gets.c
new file mode 100644
index 0000000..4efc280
--- /dev/null
+++ b/sys/libkern/gets.c
@@ -0,0 +1,67 @@
+/*-
+ * Copyright (c) 1999 Michael Smith
+ * Copyright (c) 2005 Pawel Jakub Dawidek <pjd@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/cons.h>
+#include <sys/libkern.h>
+
+void
+gets(char *cp, size_t size, int visible)
+{
+ char *lp, *end;
+ int c;
+
+ lp = cp;
+ end = cp + size - 1;
+ for (;;) {
+ c = cngetc() & 0177;
+ switch (c) {
+ case -1:
+ case '\n':
+ case '\r':
+ *lp = '\0';
+ return;
+ case '\b':
+ case '\177':
+ if (lp > cp) {
+ if (visible)
+ printf("%c \b", c);
+ lp--;
+ }
+ continue;
+ default:
+ if (lp < end) {
+ if (visible)
+ printf("%c", c);
+ *lp++ = c;
+ }
+ }
+ }
+}
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