Define MAP_FAILED where relevant if undefined

On systems such as HP-UX 10.20, MAP_FAILED is not defined.
2021-10-21 19:15:15 -04:00
parent cccefb962b
commit 07bdfeedb8
3 changed files with 12 additions and 0 deletions
--- a/lib/util/getentropy.c
+++ b/lib/util/getentropy.c
@@ -76,6 +76,10 @@
 # define MAP_ANON MAP_ANONYMOUS
 #endif

+#ifndef MAP_FAILED
+# define MAP_FAILED ((void *) -1)
+#endif
+
 #define REPEAT 5
 #define min(a, b) (((a) < (b)) ? (a) : (b))