circlecloud/tmux
1
0
Fork 0
mirror of https://github.com/tmux/tmux.git synced 2026-04-16 03:56:28 +00:00
Code Issues Projects Releases Wiki Activity

Cache user from getpwuid because it can be very expensive on some

Browse Source 
platforms. From Ben Maurer in GitHub issue 4973.
This commit is contained in:
nicm
2026-04-04 17:13:07 +00:00
parent 7f2ac9c871
commit cad282ebb7
3 changed files with 13 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
format.c
View File

@@ -1616,9 +1616,13 @@ format_cb_client_user(struct format_tree *ft)
struct passwd *pw;
if (ft->c != NULL) {
if (ft->c->user != NULL)
return (xstrdup(ft->c->user));
uid = proc_get_peer_uid(ft->c->peer);
if (uid != (uid_t)-1 && (pw = getpwuid(uid)) != NULL)
return (xstrdup(pw->pw_name));
if (uid != (uid_t)-1 && (pw = getpwuid(uid)) != NULL) {
ft->c->user = xstrdup(pw->pw_name);
return (xstrdup(ft->c->user));
}
}
return (NULL);
}
@@ -3076,10 +3080,13 @@ format_cb_uid(__unused struct format_tree *ft)
static void *
format_cb_user(__unused struct format_tree *ft)
{
static char *cached;
struct passwd *pw;
if ((pw = getpwuid(getuid())) != NULL)
return (xstrdup(pw->pw_name));
if (cached == NULL && (pw = getpwuid(getuid())) != NULL)
cached = xstrdup(pw->pw_name);
if (cached != NULL)
return (xstrdup(cached));
return (NULL);
}