tremoved -t, now using isatty() instead of select() to prevent execution from an interactive shell - dmenu - Dmenu fork with xft fonts.
 (HTM) git clone git://r-36.net/dmenu
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       ---
 (DIR) commit 66b2e8379f0b851d0535a50321e22b58fdaa247d
 (DIR) parent 665488a6eedeecf743e44bd9624105c8b47c4f97
 (HTM) Author: Anselm R. Garbe <arg@suckless.org>
       Date:   Mon, 19 Feb 2007 21:18:36 +0100
       
       removed -t, now using isatty() instead of select() to prevent execution from an interactive shell
       Diffstat:
         dmenu.1                             |       4 ----
         main.c                              |      42 +++++++++++--------------------
       
       2 files changed, 15 insertions(+), 31 deletions(-)
       ---
 (DIR) diff --git a/dmenu.1 b/dmenu.1
       t@@ -10,7 +10,6 @@ dmenu \- dynamic menu
        .RB [ \-p " <prompt>"]
        .RB [ \-sb " <color>"]
        .RB [ \-sf " <color>"]
       -.RB [ \-t " <seconds>"]
        .RB [ \-v ]
        .SH DESCRIPTION
        .SS Overview
       t@@ -41,9 +40,6 @@ defines the selected background color (#RGB, #RRGGBB, and color names are suppor
        .B \-sf <color>
        defines the selected foreground color (#RGB, #RRGGBB, and color names are supported).
        .TP
       -.B \-t <seconds>
       -defines the seconds to wait for standard input, before exiting (default is 3).
       -.TP
        .B \-v
        prints version information to standard output, then exits.
        .SH USAGE
 (DIR) diff --git a/main.c b/main.c
       t@@ -10,8 +10,6 @@
        #include <stdio.h>
        #include <string.h>
        #include <unistd.h>
       -#include <sys/select.h>
       -#include <sys/time.h>
        #include <X11/Xutil.h>
        #include <X11/keysym.h>
        
       t@@ -457,6 +455,12 @@ readstdin(void) {
                return maxname;
        }
        
       +static void
       +usage(void) {
       +        eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
       +                "             [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
       +}
       +
        /* extern */
        
        int screen;
       t@@ -472,16 +476,16 @@ main(int argc, char *argv[]) {
                char *normfg = NORMFGCOLOR;
                char *selbg = SELBGCOLOR;
                char *selfg = SELFGCOLOR;
       -        fd_set rd;
                int i, j;
       -        struct timeval timeout;
                Item *itm;
                XEvent ev;
                XModifierKeymap *modmap;
                XSetWindowAttributes wa;
        
       -        timeout.tv_usec = 0;
       -        timeout.tv_sec = 3;
       +        if(isatty(STDIN_FILENO)) {
       +                fputs("error: dmenu can't run in an interactive shell\n", stdout);
       +                usage();
       +        }
                /* command line args */
                for(i = 1; i < argc; i++)
                        if(!strncmp(argv[i], "-b", 3)) {
       t@@ -505,41 +509,26 @@ main(int argc, char *argv[]) {
                        else if(!strncmp(argv[i], "-sf", 4)) {
                                if(++i < argc) selfg = argv[i];
                        }
       -                else if(!strncmp(argv[i], "-t", 3)) {
       -                        if(++i < argc) timeout.tv_sec = atoi(argv[i]);
       -                }
       -                else if(!strncmp(argv[i], "-v", 3)) {
       -                        fputs("dmenu-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n", stdout);
       -                        exit(EXIT_SUCCESS);
       -                }
       +                else if(!strncmp(argv[i], "-v", 3))
       +                        eprint("dmenu-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n");
                        else
       -                        eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>] [-p <prompt>]\n"
       -                                "             [-sb <color>] [-sf <color>] [-t <seconds>] [-v]\n", stdout);
       +                        usage();
                setlocale(LC_CTYPE, "");
                dpy = XOpenDisplay(0);
                if(!dpy)
                        eprint("dmenu: cannot open display\n");
                screen = DefaultScreen(dpy);
                root = RootWindow(dpy, screen);
       -
       -        /* Note, the select() construction allows to grab all keypresses as
       -         * early as possible, to not loose them. But if there is no standard
       -         * input supplied, we will make sure to exit after MAX_WAIT_STDIN
       -         * seconds. This is convenience behavior for rapid typers.
       -         */ 
                while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
                                 GrabModeAsync, CurrentTime) != GrabSuccess)
                        usleep(1000);
       -        FD_ZERO(&rd);
       -        FD_SET(STDIN_FILENO, &rd);
       -        if(select(ConnectionNumber(dpy) + 1, &rd, NULL, NULL, &timeout) < 1)
       -                goto UninitializedEnd;
                maxname = readstdin();
                /* init modifier map */
                modmap = XGetModifierMapping(dpy);
                for (i = 0; i < 8; i++) {
                        for (j = 0; j < modmap->max_keypermod; j++) {
       -                        if(modmap->modifiermap[i * modmap->max_keypermod + j] == XKeysymToKeycode(dpy, XK_Num_Lock))
       +                        if(modmap->modifiermap[i * modmap->max_keypermod + j]
       +                        == XKeysymToKeycode(dpy, XK_Num_Lock))
                                        numlockmask = (1 << i);
                        }
                }
       t@@ -607,7 +596,6 @@ main(int argc, char *argv[]) {
                XFreePixmap(dpy, dc.drawable);
                XFreeGC(dpy, dc.gc);
                XDestroyWindow(dpy, win);
       -UninitializedEnd:
                XUngrabKeyboard(dpy, CurrentTime);
                XCloseDisplay(dpy);
                return ret;