1 files changed, 143 insertions, 0 deletions
diff --git a/rfc1035/rfc1035str.c b/rfc1035/rfc1035str.c
new file mode 100644
index 0000000..4335369
--- /dev/null
+++ b/rfc1035/rfc1035str.c
@@ -0,0 +1,143 @@
+/*
+** Copyright 1998 - 1999 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+#include	"rfc1035.h"
+#include	<string.h>
+
+
+static struct { const char *name; int num; } typetab[]={
+	{"A",		1},
+	{"NS",		2},
+	{"MD",		3},
+	{"MF",		4},
+	{"CNAME",	5},
+	{"SOA",		6},
+	{"MB",		7},
+	{"MG",		8},
+	{"MR",		9},
+	{"NULL",	10},
+	{"WKS",		11},
+	{"PTR",		12},
+	{"HINFO",	13},
+	{"MINFO",	14},
+	{"MX",		15},
+	{"TXT",		16},
+	{"AAAA",	28},
+	{"RRSIG",	46},
+	{"AXFR",	252},
+	{"MAILB",	253},
+	{"MAILA",	254},
+	{"ANY",		255}},
+
+	classtab[]={
+
+	{"IN",		1},
+	{"CSNET",	2},
+	{"CHAOS",	3},
+	{"HESIOD",	4},
+	{"ANY",		255}},
+
+	opcodetab[]={
+	{"QUERY",	0},
+	{"IQUERY",	1},
+	{"STATUS",	2}},
+
+	rcodetab[]={
+	{"NOERROR",	0},
+	{"FORMAT",	1},
+	{"SERVFAIL",	2},
+	{"NXDOMAIN",	3},
+	{"UNIMPLEMENTED", 4},
+	{"REFUSED",	5}};
+
+#if HAVE_STRCASECMP
+#define	COMPARE(a,b)	strcasecmp((a), (b))
+#else
+#define	COMPARE(a,b)	stricmp((a), (b))
+#endif
+
+void rfc1035_type_itostr(int n, void (*func)(const char *, void *), void *arg)
+{
+	unsigned i;
+	char buf[30];
+
+	for (i=0; i<sizeof(typetab)/sizeof(typetab[0]); i++)
+		if (typetab[i].num == n)
+		{
+			(*func)(typetab[i].name, arg);
+			return;
+		}
+
+	snprintf(buf, sizeof(buf), "TYPE%d", n);
+
+	buf[sizeof(buf)-1]=0;
+
+	(*func)(buf, arg);
+}
+
+int rfc1035_type_strtoi(const char *n)
+{
+unsigned i;
+
+	for (i=0; i<sizeof(typetab)/sizeof(typetab[0]); i++)
+		if (COMPARE(typetab[i].name, n) == 0) return (typetab[i].num);
+	return (-1);
+}
+
+const char *rfc1035_class_itostr(int n)
+{
+unsigned i;
+
+	for (i=0; i<sizeof(classtab)/sizeof(classtab[0]); i++)
+		if (classtab[i].num == n) return (classtab[i].name);
+	return ("unknown");
+}
+
+int rfc1035_class_strtoi(const char *n)
+{
+unsigned i;
+
+	for (i=0; i<sizeof(classtab)/sizeof(classtab[0]); i++)
+		if (COMPARE(classtab[i].name, n) == 0) return (classtab[i].num);
+	return (-1);
+}
+
+const char *rfc1035_opcode_itostr(int n)
+{
+unsigned i;
+
+	for (i=0; i<sizeof(opcodetab)/sizeof(opcodetab[0]); i++)
+		if (opcodetab[i].num == n) return (opcodetab[i].name);
+	return ("unknown");
+}
+
+int rfc1035_opcode_strtoi(const char *n)
+{
+unsigned i;
+
+	for (i=0; i<sizeof(opcodetab)/sizeof(opcodetab[0]); i++)
+		if (COMPARE(opcodetab[i].name, n) == 0)
+				return (opcodetab[i].num);
+	return (-1);
+}
+
+const char *rfc1035_rcode_itostr(int n)
+{
+unsigned i;
+
+	for (i=0; i<sizeof(rcodetab)/sizeof(rcodetab[0]); i++)
+		if (rcodetab[i].num == n) return (rcodetab[i].name);
+	return ("unknown");
+}
+
+int rfc1035_rcode_strtoi(const char *n)
+{
+unsigned i;
+
+	for (i=0; i<sizeof(rcodetab)/sizeof(rcodetab[0]); i++)
+		if (COMPARE(rcodetab[i].name, n) == 0)
+				return (rcodetab[i].num);
+	return (-1);
+}