Make the existence of gz_intmax() unconditional.
gz_intmax() is noted in zlib.map. This assures it's always there.
diff --git a/gzguts.h b/gzguts.h
index f937504..adc2b34 100644
--- a/gzguts.h
+++ b/gzguts.h
@@ -210,9 +210,5 @@
/* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t
value -- needed when comparing unsigned to z_off64_t, which is signed
(possible z_off64_t types off_t, off64_t, and long are all signed) */
-#ifdef INT_MAX
-# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > INT_MAX)
-#else
unsigned ZLIB_INTERNAL gz_intmax(void);
-# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax())
-#endif
+#define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax())
diff --git a/gzlib.c b/gzlib.c
index 29fc448..9c103db 100644
--- a/gzlib.c
+++ b/gzlib.c
@@ -563,20 +563,20 @@
#endif
}
-#ifndef INT_MAX
/* portably return maximum value for an int (when limits.h presumed not
available) -- we need to do this to cover cases where 2's complement not
used, since C standard permits 1's complement and sign-bit representations,
otherwise we could just use ((unsigned)-1) >> 1 */
unsigned ZLIB_INTERNAL gz_intmax(void) {
- unsigned p, q;
-
- p = 1;
+#ifdef INT_MAX
+ return INT_MAX;
+#else
+ unsigned p = 1, q;
do {
q = p;
p <<= 1;
p++;
} while (p > q);
return q >> 1;
-}
#endif
+}
