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socket: stop strlen() twice 

Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Julien Danjou 2008-07-10 15:15:16 +02:00
parent dbaa343c97
commit 0e06789714
1 changed files with 6 additions and 5 deletions
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11
common/socket.c
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@ -40,12 +40,13 @@ socket_getaddr(const char *display)
{
char *homedir, *tmp;
const char *real_display = NULL;
ssize_t path_len;
ssize_t path_len, display_len;
struct sockaddr_un *addr;
addr = p_new(struct sockaddr_un, 1);
homedir = getenv("HOME");
if(a_strlen(display))
display_len = a_strlen(display);
if(display_len)
{
if((tmp = strchr(display, ':')))
real_display = tmp + 1;
@ -57,8 +58,8 @@ socket_getaddr(const char *display)
/* a_strlen(display) because we strcat on display and
* + 2 for / and \0 */
path_len = a_strlen(homedir) + a_strlen(CONTROL_UNIX_SOCKET_PATH)
+ (a_strlen(display) ? (a_strlen(real_display)) : 1) + 2;
path_len = a_strlen(homedir) + sizeof(CONTROL_UNIX_SOCKET_PATH)
+ (display_len ? (a_strlen(real_display)) : 1) + 2;
if(path_len >= ssizeof(addr->sun_path))
{
@ -68,7 +69,7 @@ socket_getaddr(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(a_strlen(display))
if(display_len)
a_strcat(addr->sun_path, path_len, real_display);
else
a_strcat(addr->sun_path, path_len, "0");