WDL/swell/swell-appstub-generic.cpp

   1 /* Cockos SWELL (Simple/Small Win32 Emulation Layer for Linux/OSX)
   2    Copyright (C) 2006 and later, Cockos, Inc.
   3
   4     This software is provided 'as-is', without any express or implied
   5     warranty.  In no event will the authors be held liable for any damages
   6     arising from the use of this software.
   7
   8     Permission is granted to anyone to use this software for any purpose,
   9     including commercial applications, and to alter it and redistribute it
  10     freely, subject to the following restrictions:
  11
  12     1. The origin of this software must not be misrepresented; you must not
  13        claim that you wrote the original software. If you use this software
  14        in a product, an acknowledgment in the product documentation would be
  15        appreciated but is not required.
  16     2. Altered source versions must be plainly marked as such, and must not be
  17        misrepresented as being the original software.
  18     3. This notice may not be removed or altered from any source distribution.
  19 */
  20
  21 #include "swell.h"
  22
  23
  24 #ifndef SWELL_PROVIDED_BY_APP
  25
  26 // only add this file to your project if you are an application that wishes to publish the SWELL API to its modules/plugins
  27 // the modules should be compiled using SWELL_PROVIDED_BY_APP and include swell-modstub.mm
  28
  29 #undef _WDL_SWELL_H_API_DEFINED_
  30 #undef SWELL_API_DEFINE
  31 #define SWELL_API_DEFINE(ret, func, parms) {#func, (void *)func },
  32 static struct api_ent
  33 {
  34   const char *name;
  35   void *func;
  36 }
  37 api_table[]=
  38 {
  39 #include "swell.h"
  40 };
  41
  42 static int compfunc(const void *a, const void *b)
  43 {
  44   return strcmp(((struct api_ent*)a)->name,((struct api_ent*)b)->name);
  45 }
  46
  47 extern "C" {
  48 __attribute__ ((visibility ("default"))) void *SWELLAPI_GetFunc(const char *name)
  49 {
  50   if (!name) return (void *)0x100; // version
  51   static int a;
  52   if (!a)
  53   {
  54     a=1;
  55     qsort(api_table,sizeof(api_table)/sizeof(api_table[0]),sizeof(api_table[0]),compfunc);
  56   }
  57   struct api_ent find={name,NULL};
  58   struct api_ent *res=(struct api_ent *)bsearch(&find,api_table,sizeof(api_table)/sizeof(api_table[0]),sizeof(api_table[0]),compfunc);
  59   if (res) return res->func;
  60   return NULL;
  61 }
  62 };
  63
  64 #endif