awesome/awesome-client.c

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#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <sys/un.h>
#include "util.h"
#define CONTROL_UNIX_SOCKET_PATH ".awesome_so_ctl"
int
main()
{
ssize_t path_len;
struct sockaddr_un addr;
char buf[1024];
const char *homedir;
int csfd;
homedir = getenv("HOME");
path_len = a_strlen(homedir) + a_strlen(CONTROL_UNIX_SOCKET_PATH) + 2;
if(path_len >= (int)sizeof(addr.sun_path))
{
fprintf(stderr, "error: path of control UNIX domain socket is too long");
exit(1);
}
a_strcpy(addr.sun_path, path_len, homedir);
a_strcat(addr.sun_path, path_len, "/");
a_strcat(addr.sun_path, path_len, CONTROL_UNIX_SOCKET_PATH);
csfd = socket(AF_UNIX, SOCK_DGRAM, 0);
if(csfd < 0)
perror("error opening UNIX domain socket");
addr.sun_family = AF_UNIX;
while(fgets(buf, sizeof(buf), stdin))
{
if(sendto(csfd, buf, strlen(buf), MSG_NOSIGNAL, (struct sockaddr*)&addr, sizeof(addr)) == -1)
perror("error sending datagram");
}
}
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