/* $Id$ * $URL$ * * plugin template * * Copyright (C) 2003 Michael Reinelt * Copyright (C) 2004, 2005, 2006, 2007, 2008 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: * * int plugin_init_sample (void) * adds various functions * */ /* define the include files you need */ #include "config.h" #include #include #include /* these should always be included */ #include "debug.h" #include "plugin.h" #ifdef WITH_DMALLOC #include #endif /* sample function 'mul2' */ /* takes one argument, a number */ /* multiplies the number by 2.0 */ /* Note: all local functions should be declared 'static' */ static void my_mul2(RESULT * result, RESULT * arg1) { double param; double value; /* Get Parameter */ /* R2N stands for 'Result to Number' */ param = R2N(arg1); /* calculate value */ value = param * 2.0; /* store result */ /* when called with R_NUMBER, it assumes the */ /* next parameter to be a pointer to double */ SetResult(&result, R_NUMBER, &value); } /* sample function 'mul3' */ /* takes one argument, a number */ /* multiplies the number by 3.0 */ /* same as 'mul2', but shorter */ static void my_mul3(RESULT * result, RESULT * arg1) { /* do it all in one line */ double value = R2N(arg1) * 3.0; /* store result */ SetResult(&result, R_NUMBER, &value); } /* sample function 'diff' */ /* takes two arguments, both numbers */ /* returns |a-b| */ static void my_diff(RESULT * result, RESULT * arg1, RESULT * arg2) { /* do it all in one line */ double value = R2N(arg1) - R2N(arg2); /* some more calculations... */ if (value < 0) value = -value; /* store result */ SetResult(&result, R_NUMBER, &value); } /* sample function 'answer' */ /* takes no argument! */ /* returns the answer to all questions */ static void my_answer(RESULT * result) { /* we have to declare a variable because */ /* SetResult needs a pointer */ double value = 42; /* store result */ SetResult(&result, R_NUMBER, &value); } /* sample function 'length' */ /* takes one argument, a string */ /* returns the string length */ static void my_length(RESULT * result, RESULT * arg1) { /* Note #1: value *must* be double! */ /* Note #2: R2S stands for 'Result to String' */ double value = strlen(R2S(arg1)); /* store result */ SetResult(&result, R_NUMBER, &value); } /* sample function 'upcase' */ /* takes one argument, a string */ /* returns the string in upper case letters */ static void my_upcase(RESULT * result, RESULT * arg1) { char *value, *p; /* create a local copy of the argument */ /* Do *NOT* try to modify the original string! */ value = strdup(R2S(arg1)); /* process the string */ for (p = value; *p != '\0'; p++) *p = toupper(*p); /* store result */ /* when called with R_STRING, it assumes the */ /* next parameter to be a pointer to a string */ /* 'value' is already a char*, so use 'value', not '&value' */ SetResult(&result, R_STRING, value); /* free local copy again */ /* Note that SetResult() makes its own string copy */ free(value); } /* sample function 'cat' */ /* takes variable number of arguments, all strings */ /* returns all prameters concatenated */ static void my_concat(RESULT * result, int argc, RESULT * argv[]) { int i, len; char *value, *part; /* start with a empty string */ value = strdup(""); /* process all arguments */ for (i = 0; i < argc; i++) { part = R2S(argv[i]); len = strlen(value) + strlen(part); value = realloc(value, len + 1); strcat(value, part); } /* store result */ SetResult(&result, R_STRING, value); /* free local string */ free(value); } /* plugin initialization */ /* MUST NOT be declared 'static'! */ int plugin_init_sample(void) { /* register all our cool functions */ /* the second parameter is the number of arguments */ /* -1 stands for variable argument list */ AddFunction("sample::mul2", 1, my_mul2); AddFunction("sample::mul3", 1, my_mul3); AddFunction("sample::answer", 0, my_answer); AddFunction("sample::diff", 2, my_diff); AddFunction("sample::length", 1, my_length); AddFunction("sample::upcase", 1, my_upcase); AddFunction("sample::concat", -1, my_concat); return 0; } void plugin_exit_sample(void) { /* free any allocated memory */ /* close filedescriptors */ } >2016-01-18Release 0+git20151202.3864e0a-1debian/0+git20151202.3864e0a-1Jonathan McCrohan1-2/+3 2016-01-18Imported Upstream version 0+git20151202.3864e0aJonathan McCrohan840-4057/+18230 2016-01-18Update get-vcs-snapshot.sh to reflect gbp changesJonathan McCrohan2-1/+2 2016-01-18Imported Upstream version 0+git20151202.3864e0aupstream/0+git20151202.3864e0aJonathan McCrohan840-4057/+18230 2015-05-05d/control: various fixes found by libconfig-model-dpkg-perlJonathan McCrohan2-5/+13 2015-04-01Release 0+git20150208.f2053b3-1Jonathan McCrohan1-2/+2 2015-04-01Describe changes made in snapshotJonathan McCrohan1-0/+3 2015-04-01New Upstream Snapshot (commit f2053b3)Jonathan McCrohan1-0/+6 2015-04-01Imported Upstream version 0+git20150208.f2053b3upstream/0+git20150208.f2053b3Jonathan McCrohan32-333/+483 2014-12-28Release 0+git20141218.b46a22c-1debian/0+git20141218.b46a22c-1Jonathan McCrohan1-2/+2 2014-12-28Updated AU DVB-T files; Thanks Brian Burch! (Closes LP: #1393280)Jonathan McCrohan1-0/+1 2014-12-28New Upstream Snapshot (commit b46a22c)Jonathan McCrohan1-0/+6 2014-12-28Imported Upstream version 0+git20141218.b46a22cupstream/0+git20141218.b46a22cJonathan McCrohan535-639/+317 2014-10-20Release 0+git20141009.d26b627-1debian/0+git20141009.d26b627-1Jonathan McCrohan1-2/+2 2014-10-20Fix up packaging to account for move to DVBv5Jonathan McCrohan2-2/+6 2014-10-20delete d/dtv-scan-files.install; Upstream now supplies a MakefileJonathan McCrohan2-4/+1 2014-10-15d/control: update Standards Version to 3.9.6Jonathan McCrohan2-1/+3 2014-10-15d/control: add Build-Depends on dvb-toolsJonathan McCrohan2-1/+2 2014-10-15New Upstream Snapshot (commit d26b627)Jonathan McCrohan1-0/+10 2014-10-15Imported Upstream version 0+git20141009.d26b627upstream/0+git20141009.d26b627Jonathan McCrohan2010-11120/+159271 2014-07-23Release 0+git20140611.14bd6c7-1debian/0+git20140611.14bd6c7-1Jonathan McCrohan1-2/+2 2014-07-23New Upstream Snapshot (commit 14bd6c7)Jonathan McCrohan1-2/+3 2014-07-23Imported Upstream version 0+git20140611.14bd6c7upstream/0+git20140611.14bd6c7Jonathan McCrohan7-11/+60 2014-05-13New Upstream Snapshot (commit 1246b27)Jonathan McCrohan1-0/+6 2014-05-13Imported Upstream version 0+git20140512.1246b27upstream/0+git20140512.1246b27Jonathan McCrohan391-301/+3983 2014-04-05Release 0+git20140326.cfc2975-1debian/0+git20140326.cfc2975-1Jonathan McCrohan1-2/+2 2014-04-05d/control: update Homepage (upstream has moved from Gitweb to cgit)Jonathan McCrohan2-1/+2 2014-04-05New Upstream Snapshot (commit cfc2975)Jonathan McCrohan1-0/+6 2014-04-05Imported Upstream version 0+git20140326.cfc2975upstream/0+git20140326.cfc2975Jonathan McCrohan118-656/+877 2014-01-16Release 0+git20140107.1850cf8-1debian/0+git20140107.1850cf8-1Jonathan McCrohan1-2/+2 2014-01-16Update Standards Version to 3.9.5Jonathan McCrohan2-1/+9