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