1 files changed, 87 insertions, 0 deletions
diff --git a/misc.c b/misc.c
new file mode 100644
index 0000000..87a7653
--- /dev/null
+++ b/misc.c
@@ -0,0 +1,87 @@
+ /*
+  * Misc routines that are used by tcpd and by tcpdchk.
+  * 
+  * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
+  */
+
+#ifndef lint
+static char sccsic[] = "@(#) misc.c 1.2 96/02/11 17:01:29";
+#endif
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "tcpd.h"
+
+extern char *fgets();
+
+#ifndef	INADDR_NONE
+#define	INADDR_NONE	(-1)		/* XXX should be 0xffffffff */
+#endif
+
+/* xgets - fgets() with backslash-newline stripping */
+
+char   *xgets(ptr, len, fp)
+char   *ptr;
+int     len;
+FILE   *fp;
+{
+    int     got;
+    char   *start = ptr;
+
+    while (fgets(ptr, len, fp)) {
+	got = strlen(ptr);
+	if (got >= 1 && ptr[got - 1] == '\n') {
+	    tcpd_context.line++;
+	    if (got >= 2 && ptr[got - 2] == '\\') {
+		got -= 2;
+	    } else {
+		return (start);
+	    }
+	}
+	ptr += got;
+	len -= got;
+	ptr[0] = 0;
+    }
+    return (ptr > start ? start : 0);
+}
+
+/* split_at - break string at delimiter or return NULL */
+
+char   *split_at(string, delimiter)
+char   *string;
+int     delimiter;
+{
+    char   *cp;
+
+    if ((cp = strchr(string, delimiter)) != 0)
+	*cp++ = 0;
+    return (cp);
+}
+
+/* dot_quad_addr - convert dotted quad to internal form */
+
+unsigned long dot_quad_addr(str)
+char   *str;
+{
+    int     in_run = 0;
+    int     runs = 0;
+    char   *cp = str;
+
+    /* Count the number of runs of non-dot characters. */
+
+    while (*cp) {
+	if (*cp == '.') {
+	    in_run = 0;
+	} else if (in_run == 0) {
+	    in_run = 1;
+	    runs++;
+	}
+	cp++;
+    }
+    return (runs == 4 ? inet_addr(str) : INADDR_NONE);
+}