/
legacy_module.c
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/
legacy_module.c
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/*
legacy_module.c: dummy interface to modular code loader for legacy build system
copyright 2008 by the mpg123 project - free software under the terms of the LGPL 2.1
see COPYING and AUTHORS files in distribution or http://mpg123.org
initially written by Nicholas J Humfrey
*/
#include "out123_int.h"
#include "debug.h"
/* A single module is staticly compiled in for each type */
extern mpg123_module_t mpg123_output_module_info;
/* extern mpg123_module_t mpg123_input_module_info; */
/* Open a module */
mpg123_module_t*
open_module(const char* type, const char* name, int verbose, const char *bindir)
{
mpg123_module_t *mod = NULL;
/* Select the module info structure, based on the desired type */
if (strcmp(type, "output")==0) {
mod = &mpg123_output_module_info;
/*
} else if (strcmp(type, "input")==0) {
mod = &mpg123_input_module_info;
*/
} else {
if(verbose >= 0)
error1("Unable to open module type '%s'.", type);
return NULL;
}
/* Check the module compiled in is the module requested */
if (strcmp(name, mod->name)!=0) {
if(verbose >= 0)
{
error1("Unable to open requested module '%s'.", name);
error1("The only available statically compiled module is '%s'."
, mod->name);
}
return NULL;
}
/* Debugging info */
debug1("Details of static module type '%s':", type);
debug1(" api_version=%d", mod->api_version);
debug1(" name=%s", mod->name);
debug1(" description=%s", mod->description);
debug1(" revision=%s", mod->revision);
debug1(" handle=%p", (void*)mod->handle);
return mod;
}
void close_module(mpg123_module_t* module, int verbose)
{
debug("close_module()");
/* Module was never really 'loaded', so nothing to do here. */
}
int list_modules(const char *type, char ***names, char ***descr, int verbose
, const char *bindir)
{
debug("list_modules()" );
*names = NULL;
*descr = NULL;
if(
(*names=malloc(sizeof(char*)))
&& !((*names)[0]=NULL) /* for safe cleanup */
&& ((*names)[0]=compat_strdup(mpg123_output_module_info.name))
&& (*descr=malloc(sizeof(char*)))
&& !((*descr)[0]=NULL) /* for safe cleanup */
&& ((*descr)[0]=compat_strdup(mpg123_output_module_info.description))
)
return 1;
else
{
if(*names)
free((*names)[0]);
free(*names);
if(*descr)
free((*descr)[0]);
free(*descr);
return -1;
}
}