improve logic on variants of ZLIB_H

zlib-ng · Nov 1, 2024 · 42bf357 · 42bf357
1 parent bcf2c77
commit 42bf357
Show file tree

Hide file tree

Showing 2 changed files with 10 additions and 12 deletions.
diff --git a/compat/crypt.h b/compat/crypt.h
@@ -25,17 +25,15 @@
    Encryption is not supported.
 */
 
-#ifndef _ZLIB_H
-#  ifndef ZLIB_VERNUM
-    /* No zlib */
-    typedef uint32_t z_crc_t;
-#  elif (ZLIB_VERNUM & 0xf != 0xf) && (ZLIB_VERNUM < 0x1270)
-    /* Define z_crc_t in zlib 1.2.6 and less */
-    typedef unsigned long z_crc_t;
-#  elif (ZLIB_VERNUM & 0xf == 0xf) && (ZLIB_VERNUM < 0x12df)
-    /* Define z_crc_t in zlib-ng 2.0.7 and less */
-    typedef unsigned int z_crc_t;
-#  endif
+#ifndef ZLIB_VERNUM
+  /* No zlib */
+  typedef uint32_t z_crc_t;
+#elif (ZLIB_VERNUM & 0xf != 0xf) && (ZLIB_VERNUM < 0x1270)
+  /* Define z_crc_t in zlib 1.2.6 and less */
+  typedef unsigned long z_crc_t;
+#elif (ZLIB_VERNUM & 0xf == 0xf) && (ZLIB_VERNUM < 0x12df)
+  /* Define z_crc_t in zlib-ng 2.0.7 and less */
+  typedef unsigned int z_crc_t;
 #endif
 
 #define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8))

diff --git a/compat/ioapi.h b/compat/ioapi.h
@@ -4,7 +4,7 @@
 
 #include <stdint.h>
 
-#ifndef _ZLIB_H
+#if !defined(_ZLIB_H) && !defined(ZLIB_H) && !defined(ZLIB_H_)
 #  if __has_include(<zlib.h>)
 #    include <zlib.h>
 #  elif __has_include(<zlib-ng.h>)