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authorAlistair Delva <adelva@google.com>2020-08-20 16:14:23 -0700
committerAlistair Delva <adelva@google.com>2020-08-20 16:53:18 -0700
commitd9da10d147d633fdb6ec65e17ff4b8447419d83e (patch)
tree8f93e8fdc2907f141e0924910bfec26669819f0b /openbsd-compat/bsd-getpagesize.c
parent22246b08952d746a7cc5a292570636cf4277598f (diff)
parentecb2c02d994b3e21994f31a70ff911667c262f1f (diff)
Merge upstream-master into master
Commit ecb2c02d994b3e21994f31a70ff911667c262f1f upstream This nearly (but not quite) corresponds to V_8_3_P1; subsequent cherry-picks will correct this. Bug: 162492243 Change-Id: I3c079d86435b7c25aefff4538dc89a3002b1e25b
Diffstat (limited to 'openbsd-compat/bsd-getpagesize.c')
-rw-r--r--openbsd-compat/bsd-getpagesize.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/openbsd-compat/bsd-getpagesize.c b/openbsd-compat/bsd-getpagesize.c
new file mode 100644
index 00000000..416a8d4c
--- /dev/null
+++ b/openbsd-compat/bsd-getpagesize.c
@@ -0,0 +1,25 @@
+/* Placed in the public domain */
+
+#include "includes.h"
+
+#ifndef HAVE_GETPAGESIZE
+
+#include <unistd.h>
+#include <limits.h>
+
+int
+getpagesize(void)
+{
+#if defined(HAVE_SYSCONF) && defined(_SC_PAGESIZE)
+ long r = sysconf(_SC_PAGESIZE);
+ if (r > 0 && r < INT_MAX)
+ return (int)r;
+#endif
+ /*
+ * This is at the lower end of common values and appropriate for
+ * our current use of getpagesize() in recallocarray().
+ */
+ return 4096;
+}
+
+#endif /* HAVE_GETPAGESIZE */