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      1 /* gzclose.c -- zlib gzclose() function
      2  * Copyright (C) 2004, 2010 Mark Adler
      3  * For conditions of distribution and use, see copyright notice in zlib.h
      4  */
      5 
      6 #include "gzguts.h"
      7 
      8 /* gzclose() is in a separate file so that it is linked in only if it is used.
      9    That way the other gzclose functions can be used instead to avoid linking in
     10    unneeded compression or decompression routines. */
     11 int ZEXPORT gzclose(file)
     12     gzFile file;
     13 {
     14 #ifndef NO_GZCOMPRESS
     15     gz_statep state;
     16 
     17     if (file == NULL)
     18         return Z_STREAM_ERROR;
     19     state = (gz_statep)file;
     20 
     21     return state->mode == GZ_READ ? gzclose_r(file) : gzclose_w(file);
     22 #else
     23     return gzclose_r(file);
     24 #endif
     25 }
     26