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authorMattias Andrée <m@maandree.se>2026-05-08 22:29:35 +0200
committerMattias Andrée <m@maandree.se>2026-05-08 22:29:35 +0200
commit2d3a573977417d917c16742d8d9d8ead047d0ebc (patch)
treecaeac52856a9df0478e2bee53e5dda1f84422461 /libtest/libtest_get_pagesize.c
parentAdd DEFAULT_SUPPORT option and improve DEPENDENCIES (diff)
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Signed-off-by: Mattias Andrée <m@maandree.se>
Diffstat (limited to 'libtest/libtest_get_pagesize.c')
-rw-r--r--libtest/libtest_get_pagesize.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/libtest/libtest_get_pagesize.c b/libtest/libtest_get_pagesize.c
new file mode 100644
index 0000000..52adbdc
--- /dev/null
+++ b/libtest/libtest_get_pagesize.c
@@ -0,0 +1,37 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+
+size_t
+libtest_get_pagesize(void)
+{
+ long int r;
+ int saved_errno = errno;
+ if ((r = sysconf(_SC_PAGESIZE)) <= 0)
+ if ((r = sysconf(_SC_PAGE_SIZE)) <= 0)
+ r = 4096L;
+ errno = saved_errno;
+ return (size_t)r;
+}
+
+
+#else
+
+
+int
+main(void)
+{
+ SET_UP_ALARM();
+
+#ifdef __linux__
+ errno = 0;
+ EXPECT(libtest_get_pagesize() == 4096u);
+ EXPECT(!errno);
+#endif
+
+ return 0;
+}
+
+
+#endif