From bd5969fc876a10b18613302db7087ef3c40f18e1 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 7 Mar 2024 17:28:00 -0500
Subject: lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 lib/mlibc/options/glibc/include/resolv.h | 73 ++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 lib/mlibc/options/glibc/include/resolv.h

(limited to 'lib/mlibc/options/glibc/include/resolv.h')

diff --git a/lib/mlibc/options/glibc/include/resolv.h b/lib/mlibc/options/glibc/include/resolv.h
new file mode 100644
index 0000000..71b4fe5
--- /dev/null
+++ b/lib/mlibc/options/glibc/include/resolv.h
@@ -0,0 +1,73 @@
+#ifndef _RESOLV_H
+#define _RESOLV_H
+
+#include <netinet/in.h>
+
+#define RES_INIT     0x00000001
+#define RES_DEBUG    0x00000002
+#define RES_USEVC    0x00000008
+#define RES_IGNTC    0x00000020
+#define RES_RECURSE  0x00000040
+#define RES_DEFNAMES 0x00000080
+#define RES_STAYOPEN 0x00000100
+#define RES_DNSRCH   0x00000200
+
+#define MAXNS     3
+#define MAXDNSRCH 6
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int dn_expand(const unsigned char *, const unsigned char *,
+		const unsigned char *, char *, int);
+
+int res_query(const char *, int, int, unsigned char *, int);
+
+int res_init(void);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+/* From musl: Unused; purely for broken apps
+ * To avoid an massive struct, only add the items requested. */
+typedef struct __res_state {
+	int retrans;
+	int retry;
+	unsigned long options;
+	int nscount;
+	struct sockaddr_in nsaddr_list[MAXNS];
+	char *dnsrch[MAXDNSRCH + 1];
+	char defdname[256];
+	unsigned ndots:4;
+	unsigned nsort:4;
+	union {
+		char pad[52];
+		struct {
+			uint16_t nscount;
+			uint16_t nsmap[MAXNS];
+			int nssocks[MAXNS];
+			uint16_t nscount6;
+			uint16_t nsinit;
+			struct sockaddr_in6	*nsaddrs[MAXNS];
+			unsigned int _initstamp[2];
+		} _ext;
+	} _u;
+} *res_state;
+
+#ifndef __MLIBC_ABI_ONLY
+
+struct __res_state *__res_state(void);
+#define _res (*__res_state())
+
+int res_ninit(res_state);
+void res_nclose(res_state);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _RESOLV_H
-- 
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