summaryrefslogtreecommitdiffstats
path: root/debian/htdig/htdig-3.2.0b6/db/os_finit.c
diff options
context:
space:
mode:
authorSlávek Banko <slavek.banko@axis.cz>2021-11-05 13:28:23 +0100
committerSlávek Banko <slavek.banko@axis.cz>2021-11-05 13:28:23 +0100
commit8c787c3591c1c885b91a54128835b400858c5cca (patch)
treeeca1b776912a305c4d45b3964038278a2fae1ead /debian/htdig/htdig-3.2.0b6/db/os_finit.c
parentfe188b907cdf30dfdfe0eba9412e7f8749fec158 (diff)
downloadextra-dependencies-8c787c3591c1c885b91a54128835b400858c5cca.tar.gz
extra-dependencies-8c787c3591c1c885b91a54128835b400858c5cca.zip
DEB htdig: Added to repository.
Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
Diffstat (limited to 'debian/htdig/htdig-3.2.0b6/db/os_finit.c')
-rw-r--r--debian/htdig/htdig-3.2.0b6/db/os_finit.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/debian/htdig/htdig-3.2.0b6/db/os_finit.c b/debian/htdig/htdig-3.2.0b6/db/os_finit.c
new file mode 100644
index 00000000..85372e16
--- /dev/null
+++ b/debian/htdig/htdig-3.2.0b6/db/os_finit.c
@@ -0,0 +1,109 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1998, 1999
+ * Sleepycat Software. All rights reserved.
+ */
+
+#include "db_config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)os_finit.c 11.3 (Sleepycat) 9/22/99";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <errno.h>
+#include <string.h>
+#endif
+
+#include "db_int.h"
+
+/*
+ * CDB___os_finit --
+ * Initialize a regular file, optionally zero-filling it as well.
+ *
+ * PUBLIC: int CDB___os_finit __P((DB_FH *, size_t, int));
+ */
+int
+CDB___os_finit(fhp, size, zerofill)
+ DB_FH *fhp;
+ size_t size;
+ int zerofill;
+{
+ db_pgno_t pages;
+ size_t i;
+ ssize_t nw;
+ u_int32_t relative;
+ int ret;
+ char buf[OS_VMPAGESIZE];
+
+ /* Write nuls to the new bytes. */
+ memset(buf, 0, sizeof(buf));
+
+ /*
+ * Extend the region by writing the last page. If the region is >4Gb,
+ * increment may be larger than the maximum possible seek "relative"
+ * argument, as it's an unsigned 32-bit value. Break the offset into
+ * pages of 1MB each so that we don't overflow (2^20 + 2^32 is bigger
+ * than any memory I expect to see for awhile).
+ */
+ if ((ret = CDB___os_seek(fhp, 0, 0, 0, 0, DB_OS_SEEK_END)) != 0)
+ return (ret);
+ pages = (size - OS_VMPAGESIZE) / MEGABYTE;
+ relative = (size - OS_VMPAGESIZE) % MEGABYTE;
+ if ((ret =
+ CDB___os_seek(fhp, MEGABYTE, pages, relative, 0, DB_OS_SEEK_CUR)) != 0)
+ return (ret);
+ if ((ret = CDB___os_write(fhp, buf, sizeof(buf), &nw)) != 0)
+ return (ret);
+ if (nw != sizeof(buf))
+ return (EIO);
+
+ /*
+ * We may want to guarantee that there is enough disk space for the
+ * file, so we also write a byte to each page. We write the byte
+ * because reading it is insufficient on systems smart enough not to
+ * instantiate disk pages to satisfy a read (e.g., Solaris).
+ */
+ if (zerofill) {
+ pages = size / MEGABYTE;
+ relative = size % MEGABYTE;
+ if ((ret = CDB___os_seek(fhp,
+ MEGABYTE, pages, relative, 1, DB_OS_SEEK_END)) != 0)
+ return (ret);
+
+ /* Write a byte to each page. */
+ for (i = 0; i < size; i += OS_VMPAGESIZE) {
+ if ((ret = CDB___os_write(fhp, buf, 1, &nw)) != 0)
+ return (ret);
+ if (nw != 1)
+ return (EIO);
+ if ((ret = CDB___os_seek(fhp,
+ 0, 0, OS_VMPAGESIZE - 1, 0, DB_OS_SEEK_CUR)) != 0)
+ return (ret);
+ }
+ }
+ return (0);
+}
+
+/*
+ * CDB___os_fpinit --
+ * Initialize a page in a regular file.
+ *
+ * PUBLIC: int CDB___os_fpinit __P((DB_FH *, db_pgno_t, int, int));
+ */
+int
+CDB___os_fpinit(fhp, pgno, pagecount, pagesize)
+ DB_FH *fhp;
+ db_pgno_t pgno;
+ int pagecount, pagesize;
+{
+ COMPQUIET(fhp, NULL);
+ COMPQUIET(pgno, 0);
+ COMPQUIET(pagecount, 0);
+ COMPQUIET(pagesize, 0);
+
+ return (0);
+}