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 +1,140 @@
+#ifndef _NETINET_ICMP_H
+#define _NETINET_ICMP_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <netinet/in.h>
+#include <netinet/ip.h>
+
+struct icmphdr {
+	uint8_t type;
+	uint8_t code;
+	uint16_t checksum;
+	union {
+		struct {
+			uint16_t id;
+			uint16_t sequence;
+		} echo;
+		uint32_t gateway;
+		struct {
+			uint16_t __unused;
+			uint16_t mtu;
+		} frag;
+		uint8_t reserved[4];
+	} un;
+};
+
+#define ICMP_ECHOREPLY 0
+#define ICMP_DEST_UNREACH 3
+#define ICMP_SOURCE_QUENCH 4
+#define ICMP_REDIRECT 5
+#define ICMP_ECHO 8
+#define ICMP_TIME_EXCEEDED 11
+#define ICMP_PARAMETERPROB 12
+#define ICMP_TIMESTAMP 13
+#define ICMP_TIMESTAMPREPLY 14
+#define ICMP_INFO_REQUEST 15
+#define ICMP_INFO_REPLY 16
+#define ICMP_ADDRESS 17
+#define ICMP_ADDRESSREPLY 18
+
+#define ICMP_NET_UNREACH 0
+#define ICMP_HOST_UNREACH 1
+#define ICMP_PROT_UNREACH 2
+#define ICMP_PORT_UNREACH 3
+#define ICMP_FRAG_NEEDED 4
+#define ICMP_SR_FAILED 5
+#define ICMP_NET_UNKNOWN 6
+#define ICMP_HOST_UNKNOWN 7
+#define ICMP_HOST_ISOLATED 8
+#define ICMP_NET_ANO 9
+#define ICMP_HOST_ANO 10
+#define ICMP_NET_UNR_TOS 11
+#define ICMP_HOST_UNR_TOS 12
+#define ICMP_PKT_FILTERED 13
+#define ICMP_PREC_VIOLATION 14
+#define ICMP_PREC_CUTOFF 15
+#define NR_ICMP_UNREACH 15
+
+#define ICMP_REDIR_NET 0
+#define ICMP_REDIR_HOST 1
+#define ICMP_REDIR_NETTOS 2
+#define ICMP_REDIR_HOSTTOS 3
+
+#define ICMP_EXC_TTL 0
+#define ICMP_EXC_FRAGTIME 1
+
+#define ICMP_ADVLENMIN (8 + sizeof(struct ip) + 8)
+
+struct icmp_ra_addr {
+	uint32_t ira_addr;
+	uint32_t ira_preference;
+};
+
+struct icmp {
+	uint8_t icmp_type;
+	uint8_t icmp_code;
+	uint16_t icmp_cksum;
+	union {
+		unsigned char ih_pptr;
+		struct in_addr ih_gwaddr;
+		struct ih_idseq {
+			uint16_t icd_id;
+			uint16_t icd_seq;
+		} ih_idseq;
+		uint32_t ih_void;
+		
+		struct ih_pmtu {
+			uint16_t ipm_void;
+			uint16_t ipm_nextmtu;
+		} ih_pmtu;
+		
+		struct ih_rtradv {
+			uint8_t irt_num_addrs;
+			uint8_t irt_wpa;
+			uint16_t irt_lifetime;
+		} ih_rtradv;
+	} icmp_hun;
+	union {
+		struct {
+			uint32_t its_otime;
+			uint32_t its_rtime;
+			uint32_t its_ttime;
+		} id_ts;
+		struct {
+			struct ip idi_ip;
+		} id_ip;
+		struct icmp_ra_addr id_radv;
+		uint32_t id_mask;
+		uint8_t id_data[1];
+	} icmp_dun;
+};
+
+#define	icmp_pptr icmp_hun.ih_pptr
+#define	icmp_gwaddr	icmp_hun.ih_gwaddr
+#define	icmp_id	icmp_hun.ih_idseq.icd_id
+#define	icmp_seq icmp_hun.ih_idseq.icd_seq
+#define	icmp_void icmp_hun.ih_void
+#define	icmp_pmvoid	icmp_hun.ih_pmtu.ipm_void
+#define	icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu
+#define	icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs
+#define	icmp_wpa icmp_hun.ih_rtradv.irt_wpa
+#define	icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime
+
+#define	icmp_otime icmp_dun.id_ts.its_otime
+#define	icmp_rtime icmp_dun.id_ts.its_rtime
+#define	icmp_ttime icmp_dun.id_ts.its_ttime
+#define	icmp_ip	icmp_dun.id_ip.idi_ip
+#define	icmp_radv icmp_dun.id_radv
+#define	icmp_mask icmp_dun.id_mask
+#define	icmp_data icmp_dun.id_data
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _NETINET_ICMP_H */