get screen width ioctl added and hold passwd file open

[unix-history] / usr / src / bin / ps / ps.c

diff --git a/usr/src/bin/ps/ps.c b/usr/src/bin/ps/ps.c
index 7deeb05..3f17c09 100644 (file)
--- a/usr/src/bin/ps/ps.c
+++ b/usr/src/bin/ps/ps.c
@@ -1,5 +1,5 @@
 #ifndef lint
 #ifndef lint

-static char *sccsid = "@(#)ps.c        4.29 (Berkeley) %G%";
+static char *sccsid = "@(#)ps.c        4.30 (Berkeley) %G%";

 #endif
 
 /*
 #endif
 
 /*


@@ -10,6 +10,7 @@ static        char *sccsid = "@(#)ps.c        4.29 (Berkeley) %G%";
 #include <nlist.h>
 #include <pwd.h>
 #include <sys/param.h>
 #include <nlist.h>
 #include <pwd.h>
 #include <sys/param.h>

+#include <sys/ioctl.h>

 #include <sys/tty.h>
 #include <sys/dir.h>
 #include <sys/user.h>
 #include <sys/tty.h>
 #include <sys/dir.h>
 #include <sys/user.h>


@@ -149,6 +150,7 @@ int npr;
 
 int    cmdstart;
 int    twidth;
 
 int    cmdstart;
 int    twidth;

+struct winsize win;

 char   *kmemf, *memf, *swapf, *nlistf;
 int    kmem, mem, swap = -1;
 int    rawcpu, sumcpu;
 char   *kmemf, *memf, *swapf, *nlistf;
 int    kmem, mem, swap = -1;
 int    rawcpu, sumcpu;


@@ -166,8 +168,12 @@ main(argc, argv)
        register char *ap;
        int uid;
        off_t procp;
        register char *ap;
        int uid;
        off_t procp;

+       int width;

 
 

-       twidth = 80;
+       if (ioctl(0, TIOCGWINSZ, &win) == -1)
+               twidth = 80;
+       else
+               twidth = (win.ws_col == 0 ? 80 : win.ws_col);

        argc--, argv++;
        if (argc > 0) {
                ap = argv[0];
        argc--, argv++;
        if (argc > 0) {
                ap = argv[0];


@@ -228,7 +234,7 @@ main(argc, argv)
                        vflg++;
                        break;
                case 'w':
                        vflg++;
                        break;
                case 'w':

-                       if (twidth == 80)
+                       if (twidth < 132)

                                twidth = 132;
                        else
                                twidth = BUFSIZ;
                                twidth = 132;
                        else
                                twidth = BUFSIZ;


@@ -288,6 +294,9 @@ main(argc, argv)
                        save();
                }
        }
                        save();
                }
        }

+       width = twidth - cmdstart - 2;
+       if (width < 0)
+               width = 0;

        qsort((char *) savcom, npr, sizeof(savcom[0]), pscomp);
        for (i=0; i<npr; i++) {
                register struct savcom *sp = &savcom[i];
        qsort((char *) savcom, npr, sizeof(savcom[0]), pscomp);
        for (i=0; i<npr; i++) {
                register struct savcom *sp = &savcom[i];


@@ -1207,6 +1216,7 @@ getname(uid)
        static                          init = 0;
        struct passwd                   *getpwent();
        register struct nametable       *n;
        static                          init = 0;
        struct passwd                   *getpwent();
        register struct nametable       *n;

+       extern int                      _pw_stayopen;

 
        /*
         * find uid in hashed table; add it if not found.
 
        /*
         * find uid in hashed table; add it if not found.


@@ -1222,6 +1232,7 @@ getname(uid)
        switch (init) {
                case 0:
                        setpwent();
        switch (init) {
                case 0:
                        setpwent();

+                       _pw_stayopen = 1;

                        init = 1;
                        /* intentional fall-thru */
                case 1:
                        init = 1;
                        /* intentional fall-thru */
                case 1: