From e28af67506e933956426ed99f4b8017f68ae3557 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Wed, 27 Aug 2008 22:27:30 +0000 Subject: merged in relevant changes from the v0-40 pd-extended release branch svn path=/trunk/externals/hcs/; revision=10266 --- setenv.c | 135 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 135 insertions(+) create mode 100644 setenv.c (limited to 'setenv.c') diff --git a/setenv.c b/setenv.c new file mode 100644 index 0000000..877c062 --- /dev/null +++ b/setenv.c @@ -0,0 +1,135 @@ +/* sets an environment variable */ +/* */ +/* Copyright (c) 2008 Hans-Christoph Steiner */ +/* */ +/* This program 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 */ +/* of the License, or (at your option) any later version. */ +/* */ +/* See file LICENSE for further informations on licensing terms. */ +/* */ +/* 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +/* */ +/* --------------------------------------------------------------------------*/ + +#include "m_pd.h" +#include "s_stuff.h" + +#include + +#ifdef _WIN32 +#define _WIN32_WINNT 0x0400 +#include +#include +#else +#include +#endif + +#define DEBUG(x) +//#define DEBUG(x) x + +/*------------------------------------------------------------------------------ + * CLASS DEF + */ +static t_class *setenv_class; + +typedef struct _setenv { + t_object x_obj; + t_symbol* x_variable_name; + t_int x_overwrite; + t_outlet* x_data_outlet; +} t_setenv; + +/*------------------------------------------------------------------------------ + * IMPLEMENTATION + */ + +static void setenv_output(t_setenv* x) +{ + DEBUG(post("setenv_output");); + char *envvar_value; + if(x->x_variable_name != &s_) + { + envvar_value = getenv(x->x_variable_name->s_name); + if(envvar_value) + outlet_symbol(x->x_data_outlet, gensym(envvar_value)); + else + pd_error(x, "[setenv]: The environment variable %s is not defined.", x->x_variable_name->s_name); + } + else + pd_error(x, "[setenv]: no environment variable name is set."); +} + + +static void setenv_symbol(t_setenv* x, t_symbol *s) +{ + DEBUG(post("setenv_output");); +#ifdef _WIN32 + SetEnvironmentVariable(x->x_variable_name->s_name, s->s_name); +#else + if(x->x_overwrite == 0) + post("[setenv]: not in overwrite mode."); + setenv(x->x_variable_name->s_name, s->s_name, x->x_overwrite); +#endif + setenv_output(x); +} + +static void setenv_anything(t_setenv* x, t_symbol* s, int argc, t_atom* argv) +{ + t_binbuf *argument_binbuf = binbuf_new(); + char *argument_buffer; + int buffer_length; + if(s != &s_list) + { + t_atom selector; + SETSYMBOL(&selector, s); + binbuf_add(argument_binbuf, 1, &selector); + } + binbuf_add(argument_binbuf, argc, argv); + binbuf_gettext(argument_binbuf, &argument_buffer, &buffer_length); + binbuf_free(argument_binbuf); + argument_buffer[buffer_length] = 0; + setenv_symbol(x, gensym(argument_buffer)); +} + + +static void *setenv_new(t_symbol* s, t_float f) +{ + DEBUG(post("setenv_new");); + t_setenv *x = (t_setenv *)pd_new(setenv_class); + + symbolinlet_new(&x->x_obj, &x->x_variable_name); + x->x_data_outlet = outlet_new(&x->x_obj, &s_symbol); + + x->x_overwrite = (t_int) f; + x->x_variable_name = s; + + return (x); +} + + +void setenv_setup(void) +{ + DEBUG(post("setenv_setup");); + setenv_class = class_new(gensym("setenv"), + (t_newmethod)setenv_new, + 0, + sizeof(t_setenv), + 0, + A_DEFSYMBOL, + A_DEFFLOAT, + 0); + /* add inlet datatype methods */ + class_addbang(setenv_class, (t_method)setenv_output); + class_addsymbol(setenv_class, (t_method)setenv_symbol); + class_addanything(setenv_class, (t_method)setenv_anything); +} + -- cgit v1.2.1