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authorUlrich Drepper <drepper@redhat.com>1999-06-13 13:36:34 +0000
committerUlrich Drepper <drepper@redhat.com>1999-06-13 13:36:34 +0000
commitec239360d13518a13f572b635d036c7d10028010 (patch)
treebdb5111363f45d2107849c2456b575d72779174c /db2/progs/db_dump/db_dump.c
parentfc3703521650a9b6db910a50c4fc0f410496e134 (diff)
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Update.
* db2/Makefile (distribute): Remove files which do not exist anymore.
Diffstat (limited to 'db2/progs/db_dump/db_dump.c')
-rw-r--r--db2/progs/db_dump/db_dump.c82
1 files changed, 53 insertions, 29 deletions
diff --git a/db2/progs/db_dump/db_dump.c b/db2/progs/db_dump/db_dump.c
index f532bc2779..0f34ddc789 100644
--- a/db2/progs/db_dump/db_dump.c
+++ b/db2/progs/db_dump/db_dump.c
@@ -11,7 +11,7 @@
static const char copyright[] =
"@(#) Copyright (c) 1996, 1997, 1998\n\
Sleepycat Software Inc. All rights reserved.\n";
-static const char sccsid[] = "@(#)db_dump.c 10.19 (Sleepycat) 5/23/98";
+static const char sccsid[] = "@(#)db_dump.c 10.24 (Sleepycat) 11/22/98";
#endif
#ifndef NO_SYSTEM_INCLUDES
@@ -25,14 +25,14 @@ static const char sccsid[] = "@(#)db_dump.c 10.19 (Sleepycat) 5/23/98";
#include <unistd.h>
#endif
+#undef stat
+
#include "db_int.h"
#include "db_page.h"
#include "btree.h"
#include "hash.h"
#include "clib_ext.h"
-#undef stat
-
void configure __P((char *));
DB_ENV *db_init __P((char *));
int main __P((int, char *[]));
@@ -58,7 +58,7 @@ main(argc, argv)
home = NULL;
checkprint = dflag = 0;
- while ((ch = getopt(argc, argv, "df:h:p")) != EOF)
+ while ((ch = getopt(argc, argv, "df:h:Np")) != EOF)
switch (ch) {
case 'd':
dflag = 1;
@@ -70,6 +70,9 @@ main(argc, argv)
case 'h':
home = optarg;
break;
+ case 'N':
+ (void)db_value_set(0, DB_MUTEXLOCKS);
+ break;
case 'p':
checkprint = 1;
break;
@@ -83,16 +86,11 @@ main(argc, argv)
if (argc != 1)
usage();
- if (dflag) {
- if (home != NULL)
- errx(1,
- "the -d and -h options may not both be specified");
- if (checkprint)
- errx(1,
- "the -d and -p options may not both be specified");
- }
+ if (dflag && checkprint)
+ errx(1, "the -d and -p options may not both be specified");
+
/* Initialize the environment. */
- dbenv = dflag ? NULL : db_init(home);
+ dbenv = db_init(home);
/* Open the DB file. */
if ((errno =
@@ -108,7 +106,7 @@ main(argc, argv)
}
/* Get a cursor and step through the database. */
- if ((errno = dbp->cursor(dbp, NULL, &dbcp)) != 0) {
+ if ((errno = dbp->cursor(dbp, NULL, &dbcp, 0)) != 0) {
(void)dbp->close(dbp, 0);
err(1, "cursor");
}
@@ -145,16 +143,35 @@ db_init(home)
{
DB_ENV *dbenv;
- if ((dbenv = (DB_ENV *)calloc(sizeof(DB_ENV), 1)) == NULL) {
+ if ((dbenv = (DB_ENV *)calloc(1, sizeof(DB_ENV))) == NULL) {
errno = ENOMEM;
err(1, NULL);
}
+
+ /*
+ * Try and use the shared mpool region so that we get pages that
+ * haven't been flushed to disk (mostly useful for debugging).
+ * If that fails, try again, without the DB_INIT_MPOOL flag.
+ *
+ * If it works, set the error output options so that future errors
+ * are correctly reported.
+ */
+ if ((errno = db_appinit(home,
+ NULL, dbenv, DB_USE_ENVIRON | DB_INIT_MPOOL)) == 0) {
+ dbenv->db_errfile = stderr;
+ dbenv->db_errpfx = progname;
+ return (dbenv);
+ }
+
+ /* Set the error output options -- this time we want a message. */
+ memset(dbenv, 0, sizeof(*dbenv));
dbenv->db_errfile = stderr;
dbenv->db_errpfx = progname;
- if ((errno =
- db_appinit(home, NULL, dbenv, DB_CREATE | DB_USE_ENVIRON)) != 0)
+ /* Try again, and it's fatal if we fail. */
+ if ((errno = db_appinit(home, NULL, dbenv, DB_USE_ENVIRON)) != 0)
err(1, "db_appinit");
+
return (dbenv);
}
@@ -167,10 +184,10 @@ pheader(dbp, pflag)
DB *dbp;
int pflag;
{
+ DBC *dbc;
DB_BTREE_STAT *btsp;
- HTAB *hashp;
- HASHHDR *hdr;
- db_pgno_t pgno;
+ HASH_CURSOR *hcp;
+ int ret;
printf("format=%s\n", pflag ? "print" : "bytevalue");
switch (dbp->type) {
@@ -187,18 +204,25 @@ pheader(dbp, pflag)
break;
case DB_HASH:
printf("type=hash\n");
- hashp = dbp->internal;
- pgno = PGNO_METADATA;
- if (memp_fget(dbp->mpf, &pgno, 0, &hdr) == 0) {
- if (hdr->ffactor != 0)
- printf("h_ffactor=%lu\n", (u_long)hdr->ffactor);
- if (hdr->nelem != 0)
- printf("h_nelem=%lu\n", (u_long)hdr->nelem);
- (void)memp_fput(dbp->mpf, hdr, 0);
+ if ((ret = dbp->cursor(dbp, NULL, &dbc, 0)) != 0)
+ break;
+ hcp = (HASH_CURSOR *)dbc->internal;
+ GET_META(dbp, hcp, ret);
+ if (ret == 0) {
+ if (hcp->hdr->ffactor != 0)
+ printf("h_ffactor=%lu\n",
+ (u_long)hcp->hdr->ffactor);
+ if (hcp->hdr->nelem != 0)
+ printf("h_nelem=%lu\n",
+ (u_long)hcp->hdr->nelem);
+ RELEASE_META(dbp, hcp);
}
+ (void)dbc->c_close(dbc);
break;
case DB_RECNO:
printf("type=recno\n");
+ if ((errno = dbp->stat(dbp, &btsp, NULL, 0)) != 0)
+ err(1, "dbp->stat");
if (F_ISSET(dbp, DB_RE_RENUMBER))
printf("renumber=1\n");
if (F_ISSET(dbp, DB_RE_FIXEDLEN))
@@ -231,6 +255,6 @@ void
usage()
{
(void)fprintf(stderr,
- "usage: db_dump [-dp] [-f file] [-h home] db_file\n");
+ "usage: db_dump [-dNp] [-f file] [-h home] db_file\n");
exit(1);
}