/* $Id$ * $URL$ * * new framework for display drivers * * Copyright (C) 2003 Michael Reinelt * Copyright (C) 2004 The LCD4Linux Team * * This file is part of LCD4Linux. * * LCD4Linux is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * LCD4Linux 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /* * exported functions: * * drv_list (void) * lists all available drivers to stdout * * drv_init (char *driver) * initializes the named driver * * int drv_quit (void) * de-initializes the driver */ #include "config.h" #include #include #include #include "debug.h" #include "cfg.h" #include "drv.h" extern DRIVER drv_BeckmannEgle; extern DRIVER drv_BWCT; extern DRIVER drv_Crystalfontz; extern DRIVER drv_Curses; extern DRIVER drv_Cwlinux; extern DRIVER drv_D4D; extern DRIVER drv_EA232graphic; extern DRIVER drv_G15; extern DRIVER drv_HD44780; extern DRIVER drv_Image; extern DRIVER drv_IRLCD; extern DRIVER drv_LCD2USB; extern DRIVER drv_LCDLinux; extern DRIVER drv_LCDTerm; extern DRIVER drv_LEDMatrix; extern DRIVER drv_LPH7508; extern DRIVER drv_LUIse; extern DRIVER drv_M50530; extern DRIVER drv_MatrixOrbital; extern DRIVER drv_MilfordInstruments; extern DRIVER drv_Noritake; extern DRIVER drv_NULL; extern DRIVER drv_Pertelian; extern DRIVER drv_PHAnderson; extern DRIVER drv_picoLCD; extern DRIVER drv_picoLCDGraphic; extern DRIVER drv_RouterBoard; extern DRIVER drv_Sample; extern DRIVER drv_st2205; extern DRIVER drv_serdisplib; extern DRIVER drv_SimpleLCD; extern DRIVER drv_T6963; extern DRIVER drv_Trefon; extern DRIVER drv_ula200; extern DRIVER drv_USBHUB; extern DRIVER drv_USBLCD; extern DRIVER drv_WincorNixdorf; extern DRIVER drv_X11; /* output file for Image driver * has to be defined here because it's referenced * even if the raster driver is not included! */ char *output = NULL; DRIVER *Driver[] = { #ifdef WITH_BECKMANNEGLE &drv_BeckmannEgle, #endif #ifdef WITH_BWCT &drv_BWCT, #endif #ifdef WITH_CRYSTALFONTZ &drv_Crystalfontz, #endif #ifdef WITH_CURSES &drv_Curses, #endif #ifdef WITH_CWLINUX &drv_Cwlinux, #endif #ifdef WITH_D4D &drv_D4D, #endif #ifdef WITH_EA232graphic &drv_EA232graphic, #endif #ifdef WITH_G15 &drv_G15, #endif #ifdef WITH_HD44780 &drv_HD44780, #endif #if (defined(WITH_PNG) && defined(WITH_GD)) || defined(WITH_PPM) &drv_Image, #endif #ifdef WITH_IRLCD &drv_IRLCD, #endif #ifdef WITH_LCD2USB &drv_LCD2USB, #endif #ifdef WITH_LCDLINUX &drv_LCDLinux, #endif #ifdef WITH_LCDTERM &drv_LCDTerm, #endif #ifdef WITH_LEDMATRIX &drv_LEDMatrix, #endif #ifdef WITH_LPH7508 &drv_LPH7508, #endif #ifdef WITH_LUISE &drv_LUIse, #endif #ifdef WITH_M50530 &drv_M50530, #endif #ifdef WITH_MATRIXORBITAL &drv_MatrixOrbital, #endif #ifdef WITH_MILINST &drv_MilfordInstruments, #endif #ifdef WITH_NORITAKE &drv_Noritake, #endif #ifdef WITH_NULL &drv_NULL, #endif #ifdef WITH_PERTELIAN &drv_Pertelian, #endif #ifdef WITH_PHANDERSON &drv_PHAnderson, #endif #ifdef WITH_PICOLCD &drv_picoLCD, #endif #ifdef WITH_PICOLCDGRAPHIC &drv_picoLCDGraphic, #endif #ifdef WITH_ROUTERBOARD &drv_RouterBoard, #endif #ifdef WITH_SAMPLE &drv_Sample, #endif #ifdef WITH_ST2205 &drv_st2205, #endif #ifdef WITH_SERDISPLIB &drv_serdisplib, #endif #ifdef WITH_SIMPLELCD &drv_SimpleLCD, #endif #ifdef WITH_T6963 &drv_T6963, #endif #ifdef WITH_TREFON &drv_Trefon, #endif #ifdef WITH_ULA200 &drv_ula200, #endif #ifdef WITH_USBHUB &drv_USBHUB, #endif #ifdef WITH_USBLCD &drv_USBLCD, #endif #ifdef WITH_WINCORNIXDORF &drv_WincorNixdorf, #endif #ifdef WITH_X11 &drv_X11, #endif NULL, }; static DRIVER *Drv = NULL; int drv_list(void) { int i; printf("available display drivers:"); for (i = 0; Driver[i]; i++) { printf("\n %-20s: ", Driver[i]->name); if (Driver[i]->list) Driver[i]->list(); } printf("\n"); return 0; } int drv_init(const char *section, const char *driver, const int quiet) { int i; for (i = 0; Driver[i]; i++) { if (strcmp(Driver[i]->name, driver) == 0) { Drv = Driver[i]; if (Drv->init == NULL) return 0; return Drv->init(section, quiet); } } error("drv_init(%s) failed: no such driver", driver); return -1; } int drv_quit(const int quiet) { if (Drv->quit == NULL) return 0; return Drv->quit(quiet); } ' href='#n75'>75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 
/* $Id$
 * $URL$
 *
 * time plugin
 *
 * Copyright (C) 2003, 2004 Michael Reinelt <michael@reinelt.co.at>
 * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * This file is part of LCD4Linux.
 *
 * LCD4Linux is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * LCD4Linux 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

/* 
 * exported functions:
 *
 * int plugin_init_time (void)
 *  adds some handy time functions
 *
 */


#include "config.h"

#include <time.h>
#include <stdlib.h>
#include <string.h>

#include "debug.h"
#include "plugin.h"


static void my_time(RESULT * result)
{
    double value = time(NULL);
    SetResult(&result, R_NUMBER, &value);
}


static void my_strftime(RESULT * result, RESULT * arg1, RESULT * arg2)
{
    char value[256];
    time_t t = R2N(arg2);

    value[0] = '\0';
    strftime(value, sizeof(value), R2S(arg1), localtime(&t));

    SetResult(&result, R_STRING, value);
}

static void my_stftime_tz(RESULT * result, RESULT * arg1, RESULT * arg2, RESULT * arg3)
{
    char value[256] = "";
    time_t t = R2N(arg2);
    char *tz = R2S(arg3);
    char *old_tz;

    old_tz = getenv("TZ");

    /*
     * because the next setenv() call may overwrite that string, we
     * duplicate it here
     */
    if (old_tz) {
	old_tz = strdup(old_tz);
    }

    setenv("TZ", tz, 1);
    tzset();

    strftime(value, sizeof(value), R2S(arg1), localtime(&t));

    if (old_tz) {
	setenv("TZ", old_tz, 1);
    } else {
	unsetenv("TZ");
    }
    tzset();

    free(old_tz);

    SetResult(&result, R_STRING, value);
}


int plugin_init_time(void)
{

    /* register some basic time functions */
    AddFunction("time", 0, my_time);
    AddFunction("strftime", 2, my_strftime);
    AddFunction("strftime_tz", 3, my_stftime_tz);

    return 0;
}

void plugin_exit_time(void)
{
    /* empty */
}
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