Fix unknown type name ‘z_crc_t’ when compiling with old versions of zlib

smihica · May 5, 2018 · fd4b165 · fd4b165
1 parent 7738145
commit fd4b165
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/crypt.h b/src/crypt.h
@@ -29,6 +29,10 @@
 
 #define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8))
 
+/* the following typedef fixes compile error "unknown type name ‘z_crc_t’" on 
+   old versions of zlib */
+typedef unsigned long z_crc_t;
+
 /***********************************************************************
  * Return the next byte in the pseudo-random sequence
  */