user: implement mlibc as the libc, finally.

It's finally done.. Signed-off-by: kaguya <vpshinomiya@protonmail.com>
2026-05-02 03:31:49 -04:00
parent 2fa39ad85a
commit 9a9b91c940
2387 changed files with 152741 additions and 315 deletions
@@ -0,0 +1,78 @@
+#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
+
+#define _PATH_RESCONF "/etc/resolv.conf"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int dn_expand(const unsigned char *__msg, const unsigned char *__eomorig,
+		const unsigned char *__comp_dn, char *__exp_dn, int __size);
+
+int res_query(const char *__dname, int __class, int __type,
+		unsigned char *__answer, int __anslen);
+
+int res_init(void);
+
+int dn_comp(const char *, unsigned char *, int, unsigned char **, unsigned char **);
+
+#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 __state);
+void res_nclose(res_state __state);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RESOLV_H */