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support for more complete $DISPLAY variable

This commit is contained in:
Julien Danjou 2007-12-16 21:01:38 +01:00
parent 9c83ebfb80
commit 2990514863
1 changed files with 17 additions and 8 deletions
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25
awesome-client-common.c
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@ -31,18 +31,27 @@
struct sockaddr_un *
get_client_addr(const char *display)
{
char *homedir, *tmp;
char *homedir, *tmp, *real_display = NULL;
ssize_t path_len;
struct sockaddr_un *addr;
addr = p_new(struct sockaddr_un, 1);
homedir = getenv("HOME");
/* (a_strlen(display) - 1) because we strcat on display + 1 and
* + 3 for /, \0 and possibly 0 if display is NULL */
if(display && (tmp = strrchr(display, '.')))
*tmp = '\0';
if(a_strlen(display))
{
if((tmp = strchr(display, ':')))
real_display = tmp + 1;
else
real_display = (char *) display;
if((tmp = strrchr(display, '.')))
*tmp = '\0';
}
/* a_strlen(display) because we strcat on display and
* + 2 for / and \0 */
path_len = a_strlen(homedir) + a_strlen(CONTROL_UNIX_SOCKET_PATH)
+ (display ? (a_strlen(display) - 1) : 1) + 3;
+ (a_strlen(display) ? (a_strlen(real_display)) : 1) + 2;
if(path_len >= ssizeof(addr->sun_path))
{
fprintf(stderr, "error: path of control UNIX domain socket is too long");
@ -51,8 +60,8 @@ get_client_addr(const char *display)
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);
if(display)
a_strcat(addr->sun_path, path_len, display + 1);
if(a_strlen(display))
a_strcat(addr->sun_path, path_len, real_display);
else
a_strcat(addr->sun_path, path_len, "0");