diff options
Diffstat (limited to 'src/shutdown/hpr_wall.c')
-rw-r--r-- | src/shutdown/hpr_wall.c | 35 |
1 files changed, 3 insertions, 32 deletions
diff --git a/src/shutdown/hpr_wall.c b/src/shutdown/hpr_wall.c index 2ce3dce..9810a94 100644 --- a/src/shutdown/hpr_wall.c +++ b/src/shutdown/hpr_wall.c @@ -1,41 +1,12 @@ /* ISC license. */ #include <string.h> -#include <utmpx.h> - -#include <skalibs/allreadwrite.h> -#include <skalibs/strerr2.h> -#include <skalibs/djbunix.h> -#include <skalibs/posixishard.h> +#include <sys/uio.h> #include "hpr.h" -#ifndef UT_LINESIZE -#define UT_LINESIZE 32 -#endif - void hpr_wall (char const *s) { - size_t n = strlen(s) ; - char tty[10 + UT_LINESIZE] = "/dev/" ; - char msg[n+1] ; - memcpy(msg, s, n) ; - msg[n++] = '\n' ; - setutxent() ; - for (;;) - { - size_t linelen ; - int fd ; - struct utmpx *utx = getutxent() ; - if (!utx) break ; - if (utx->ut_type != USER_PROCESS) continue ; - linelen = strnlen(utx->ut_line, UT_LINESIZE) ; - memcpy(tty + 5, utx->ut_line, linelen) ; - tty[5 + linelen] = 0 ; - fd = open_append(tty) ; - if (fd == -1) continue ; - allwrite(fd, msg, n) ; - fd_close(fd) ; - } - endutxent() ; + struct iovec v[2] = { { .iov_base = (char *)s, .iov_len = strlen(s) }, { .iov_base = "\n", .iov_len = 1 } } ; + hpr_wallv(v, 2) ; } |