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-rw-r--r--usr.bin/ssh/misc.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/usr.bin/ssh/misc.c b/usr.bin/ssh/misc.c
new file mode 100644
index 00000000000..e4e1fc76c17
--- /dev/null
+++ b/usr.bin/ssh/misc.c
@@ -0,0 +1,97 @@
+/* $OpenBSD: misc.c,v 1.1 2001/01/21 19:05:52 markus Exp $ */
+
+/*
+ * Copyright (c) 2000 Markus Friedl. 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 AUTHOR ``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 AUTHOR 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 "includes.h"
+RCSID("$OpenBSD: misc.c,v 1.1 2001/01/21 19:05:52 markus Exp $");
+
+#include "misc.h"
+#include "log.h"
+
+char *
+chop(char *s)
+{
+ char *t = s;
+ while (*t) {
+ if(*t == '\n' || *t == '\r') {
+ *t = '\0';
+ return s;
+ }
+ t++;
+ }
+ return s;
+
+}
+
+void
+set_nonblock(int fd)
+{
+ int val;
+ val = fcntl(fd, F_GETFL, 0);
+ if (val < 0) {
+ error("fcntl(%d, F_GETFL, 0): %s", fd, strerror(errno));
+ return;
+ }
+ if (val & O_NONBLOCK) {
+ debug("fd %d IS O_NONBLOCK", fd);
+ return;
+ }
+ debug("fd %d setting O_NONBLOCK", fd);
+ val |= O_NONBLOCK;
+ if (fcntl(fd, F_SETFL, val) == -1)
+ if (errno != ENODEV)
+ error("fcntl(%d, F_SETFL, O_NONBLOCK): %s",
+ fd, strerror(errno));
+}
+
+/* Characters considered whitespace in strsep calls. */
+#define WHITESPACE " \t\r\n"
+
+char *
+strdelim(char **s)
+{
+ char *old;
+ int wspace = 0;
+
+ if (*s == NULL)
+ return NULL;
+
+ old = *s;
+
+ *s = strpbrk(*s, WHITESPACE "=");
+ if (*s == NULL)
+ return (old);
+
+ /* Allow only one '=' to be skipped */
+ if (*s[0] == '=')
+ wspace = 1;
+ *s[0] = '\0';
+
+ *s += strspn(*s + 1, WHITESPACE) + 1;
+ if (*s[0] == '=' && !wspace)
+ *s += strspn(*s + 1, WHITESPACE) + 1;
+
+ return (old);
+}