add statvfs regression test

diff --git a/src/regression/statvfs.c b/src/regression/statvfs.c
new file mode 100644 (file)
index 0000000..6c8f187
--- /dev/null
+++ b/src/regression/statvfs.c
@@ -0,0 +1,37 @@
+// commit 7673acd31503016f2af93e187aac98da07af42b4 2014-03-12
+// internal statfs struct was wrong on mips
+// this test does various sanity checks to catch such bugs
+#include <string.h>
+#include <errno.h>
+#include <sys/statvfs.h>
+#include "test.h"
+
+int main(void)
+{
+       struct statvfs f;
+
+       if (statvfs("/", &f))
+               t_error("statvfs(\"/\") failed: %s\n", strerror(errno));
+       if (f.f_bsize == 0 || f.f_bsize > 1<<28)
+               t_error("/ has bogus f_bsize: %lu\n", (unsigned long)f.f_bsize);
+       if (f.f_blocks == 0)
+               t_error("/ has 0 blocks\n");
+       if (f.f_blocks < f.f_bfree)
+               t_error("/ has more free blocks (%llu) than total blocks (%llu)\n",
+                       (unsigned long long)f.f_bfree, (unsigned long long)f.f_blocks);
+       if (f.f_blocks < f.f_bavail)
+               t_error("/ has more avail blocks (%llu) than total blocks (%llu)\n",
+                       (unsigned long long)f.f_bavail, (unsigned long long)f.f_blocks);
+       if (f.f_files == 0)
+               t_error("/ has 0 file nodes\n");
+       if (f.f_files < f.f_ffree)
+               t_error("/ has more free file nodes (%llu) than total file nodes (%llu)\n",
+                       (unsigned long long)f.f_ffree, (unsigned long long)f.f_files);
+       if (f.f_files < f.f_favail)
+               t_error("/ has more avail file nodes (%llu) than total file nodes (%llu)\n",
+                       (unsigned long long)f.f_favail, (unsigned long long)f.f_files);
+       if (f.f_namemax > 1<<16 || f.f_namemax < 8)
+               t_error("/ has bogus f_namemax: %lu\n", (unsigned long)f.f_namemax);
+
+       return t_status;
+}