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  1. /*
  2.  * This file is part of FFmpeg.
  3.  *
  4.  * FFmpeg is free software; you can redistribute it and/or
  5.  * modify it under the terms of the GNU Lesser General Public
  6.  * License as published by the Free Software Foundation; either
  7.  * version 2.1 of the License, or (at your option) any later version.
  8.  *
  9.  * FFmpeg is distributed in the hope that it will be useful,
  10.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12.  * Lesser General Public License for more details.
  13.  *
  14.  * You should have received a copy of the GNU Lesser General Public
  15.  * License along with FFmpeg; if not, write to the Free Software
  16.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17.  */
  18.  
  19. /**
  20.  * @file
  21.  * @ingroup lavu
  22.  * Utility Preprocessor macros
  23.  */
  24.  
  25. #ifndef AVUTIL_MACROS_H
  26. #define AVUTIL_MACROS_H
  27.  
  28. /**
  29.  * @addtogroup preproc_misc Preprocessor String Macros
  30.  *
  31.  * String manipulation macros
  32.  *
  33.  * @{
  34.  */
  35.  
  36. #define AV_STRINGIFY(s)         AV_TOSTRING(s)
  37. #define AV_TOSTRING(s) #s
  38.  
  39. #define AV_GLUE(a, b) a ## b
  40. #define AV_JOIN(a, b) AV_GLUE(a, b)
  41.  
  42. /**
  43.  * @}
  44.  */
  45.  
  46. #define AV_PRAGMA(s) _Pragma(#s)
  47.  
  48. #endif /* AVUTIL_MACROS_H */
  49.