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Current Path: /usr/src/contrib/dialog

📁 ..
📄 CHANGES(108.53 KB)
📄 COPYING(25.81 KB)
📄 README(2.78 KB)
📄 VERSION(20 B)
📄 aclocal.m4(195.3 KB)
📄 argv.c(3.54 KB)
📄 arrows.c(6.8 KB)
📄 buildlist.c(31.36 KB)
📄 buttons.c(16.19 KB)
📄 calendar.c(24.45 KB)
📄 checklist.c(17.98 KB)
📄 columns.c(4.17 KB)
📄 config.guess(43.14 KB)
📄 config.hin(75 B)
📄 config.sub(34.92 KB)
📄 configure(666.11 KB)
📄 configure.in(7.57 KB)
📄 demo.pl(11.44 KB)
📄 dialog-config.in(4.31 KB)
📄 dialog.1(60.51 KB)
📄 dialog.3(124.54 KB)
📄 dialog.c(52.45 KB)
📄 dialog.h(37.7 KB)
📄 dialog.lsm(1.1 KB)
📄 dialog.pl(15.08 KB)
📄 dlg_colors.h(6.87 KB)
📄 dlg_keys.c(20.68 KB)
📄 dlg_keys.h(5.23 KB)
📄 editbox.c(16.81 KB)
📄 formbox.c(23.3 KB)
📄 fselect.c(22.06 KB)
📄 guage.c(10.26 KB)
📄 headers-sh.in(5.35 KB)
📄 headers.sh(3.6 KB)
📄 help.c(1.4 KB)
📄 inputbox.c(7.04 KB)
📄 inputstr.c(17.73 KB)
📄 install-sh(6.96 KB)
📄 makefile.in(10.07 KB)
📄 menubox.c(20.26 KB)
📄 mixedform.c(3.39 KB)
📄 mixedgauge.c(9.6 KB)
📄 mouse.c(3.5 KB)
📄 mousewget.c(2.19 KB)
📄 msgbox.c(4.99 KB)
📁 package
📄 pause.c(6.53 KB)
📁 po
📄 prgbox.c(2.73 KB)
📄 progressbox.c(9.88 KB)
📄 rangebox.c(10.54 KB)
📄 rc.c(15 KB)
📄 rename.sh(3.04 KB)
📁 samples
📄 tailbox.c(9.53 KB)
📄 textbox.c(24.86 KB)
📄 timebox.c(10.27 KB)
📄 trace.c(5.72 KB)
📄 treeview.c(16.55 KB)
📄 ttysize.c(2.28 KB)
📄 ui_getc.c(14.03 KB)
📄 util.c(64.44 KB)
📄 version.c(1.01 KB)
📄 yesno.c(4.28 KB)

Editing: prgbox.c

/*
 *  $Id: prgbox.c,v 1.13 2016/01/27 01:37:26 tom Exp $
 *
 *  prgbox.c -- implements the prg box
 *
 *  Copyright 2011-2014,2016	Thomas E. Dickey
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License, version 2.1
 *  as published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this program; if not, write to
 *	Free Software Foundation, Inc.
 *	51 Franklin St., Fifth Floor
 *	Boston, MA 02110, USA.
 */

#include <dialog.h>

static void
reapchild(int sig)
{
    (void) sig;
}

/*
 * Open a pipe which ties stderr and stdout together.
 */
FILE *
dlg_popen(const char *command, const char *type)
{
    FILE *result = 0;
    int fd[2];
    char *blob;
    char **argv;

if ((*type == 'r' || *type != 'w') && pipe(fd) == 0) {
	switch (fork()) {
	case -1:		/* Error. */
	    (void) close(fd[0]);
	    (void) close(fd[1]);
	    break;
	case 0:		/* child. */
	    if (*type == 'r') {
		if (fd[1] != STDOUT_FILENO) {
		    (void) dup2(fd[1], STDOUT_FILENO);
		    (void) close(fd[1]);
		}
		(void) dup2(STDOUT_FILENO, STDERR_FILENO);
		(void) close(fd[0]);
	    } else {
		if (fd[0] != STDIN_FILENO) {
		    (void) dup2(fd[0], STDIN_FILENO);
		    (void) close(fd[0]);
		}
		(void) close(fd[1]);
		(void) close(STDERR_FILENO);
	    }
	    /*
	     * Bourne shell needs "-c" option to force it to use only the
	     * given command.  Also, it needs the command to be parsed into
	     * tokens.
	     */
	    if ((blob = malloc(10 + strlen(command))) != 0) {
		sprintf(blob, "sh -c \"%s\"", command);
		argv = dlg_string_to_argv(blob);
		execvp("sh", argv);
	    }
	    _exit(127);
	    /* NOTREACHED */
	default:		/* parent */
	    if (*type == 'r') {
		result = fdopen(fd[0], type);
		(void) close(fd[1]);
	    } else {
		result = fdopen(fd[1], type);
		(void) close(fd[0]);
	    }
	    break;
	}
    }

return result;
}

/*
 * Display text from a pipe in a scrolling window.
 */
int
dialog_prgbox(const char *title,
	      const char *cprompt,
	      const char *command,
	      int height,
	      int width,
	      int pauseopt)
{
    int code;
    FILE *fp;
    void (*oldreaper) (int) = signal(SIGCHLD, reapchild);

fp = dlg_popen(command, "r");
    if (fp == NULL)
	dlg_exiterr("pipe open failed: %s", command);

code = dlg_progressbox(title, cprompt, height, width, pauseopt, fp);

pclose(fp);
    signal(SIGCHLD, oldreaper);

return code;
}

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Editing: prgbox.c

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