File: UnixSock.c

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#include "platform.h"

#define UNIX_PATH_MAX 108

void UnixSock_toAddr (Char* path, Int pathlen, Char* addr, Int *addrlen) {
	int i;
	struct sockaddr_un *sa = (struct sockaddr_un*)addr;

	sa->sun_family = AF_UNIX;
	i = 0;
	if (pathlen <= UNIX_PATH_MAX) {
		for (i = 0; i < pathlen; i++) {
			sa->sun_path[i] = path[i];
		}
	} else {
		for (i = 0; i < UNIX_PATH_MAX-1; i++) {
			sa->sun_path[i] = path[i];
		}
		sa->sun_path[UNIX_PATH_MAX-1] = '\000';
	}
	*addrlen = sizeof(struct sockaddr_un);
}

Int UnixSock_pathLen (Char* addr) {
	int i;
	struct sockaddr_un *sa = (struct sockaddr_un*)addr;

	i = 0;
	if (sa->sun_path[i] == '\000') {
		return UNIX_PATH_MAX;
	} else {
		while (i < UNIX_PATH_MAX && sa->sun_path[i] != '\000') i++;
		return i;
	}
}

void UnixSock_fromAddr (Char* addr, Char* path, Int pathlen) {
	int i;
	struct sockaddr_un *sa = (struct sockaddr_un*)addr;

	assert (sa->sun_family == AF_UNIX);
	for (i = 0; i < pathlen; i++) {
		path[i] = sa->sun_path[i];
	}
}