/* mdb_stat.c - memory-mapped database status tool */
/*
- * Copyright 2011-2013 Howard Chu, Symas Corp.
+ * Copyright 2011-2016 Howard Chu, Symas Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <unistd.h>
#include "lmdb.h"
-#ifdef _WIN32
-#define Z "I"
-#else
-#define Z "z"
-#endif
+#define Z MDB_FMT_Z
+#define Yu MDB_PRIy(u)
static void prstat(MDB_stat *ms)
{
printf(" Page size: %u\n", ms->ms_psize);
#endif
printf(" Tree depth: %u\n", ms->ms_depth);
- printf(" Branch pages: %"Z"u\n", ms->ms_branch_pages);
- printf(" Leaf pages: %"Z"u\n", ms->ms_leaf_pages);
- printf(" Overflow pages: %"Z"u\n", ms->ms_overflow_pages);
- printf(" Entries: %"Z"u\n", ms->ms_entries);
+ printf(" Branch pages: %"Yu"\n", ms->ms_branch_pages);
+ printf(" Leaf pages: %"Yu"\n", ms->ms_leaf_pages);
+ printf(" Overflow pages: %"Yu"\n", ms->ms_overflow_pages);
+ printf(" Entries: %"Yu"\n", ms->ms_entries);
}
static void usage(char *prog)
{
- fprintf(stderr, "usage: %s dbpath [-n] [-e] [-r[r]] [-f[f[f]]] [-a|-s subdb]\n", prog);
+ fprintf(stderr, "usage: %s [-V] [-n] [-e] [-r[r]] [-f[f[f]]] [-a|-s subdb] dbpath\n", prog);
exit(EXIT_FAILURE);
}
* -f: print freelist info
* -r: print reader info
* -n: use NOSUBDIR flag on env_open
+ * -V: print version and exit
* (default) print stat of only the main DB
*/
- while ((i = getopt(argc, argv, "aefnrs:")) != EOF) {
+ while ((i = getopt(argc, argv, "Vaefnrs:")) != EOF) {
switch(i) {
+ case 'V':
+ printf("%s\n", MDB_VERSION_STRING);
+ exit(0);
+ break;
case 'a':
if (subname)
usage(prog);
envname = argv[optind];
rc = mdb_env_create(&env);
+ if (rc) {
+ fprintf(stderr, "mdb_env_create failed, error %d %s\n", rc, mdb_strerror(rc));
+ return EXIT_FAILURE;
+ }
if (alldbs || subname) {
mdb_env_set_maxdbs(env, 4);
rc = mdb_env_open(env, envname, envflags | MDB_RDONLY, 0664);
if (rc) {
- printf("mdb_env_open failed, error %d %s\n", rc, mdb_strerror(rc));
+ fprintf(stderr, "mdb_env_open failed, error %d %s\n", rc, mdb_strerror(rc));
goto env_close;
}
if (envinfo) {
- rc = mdb_env_stat(env, &mst);
- rc = mdb_env_info(env, &mei);
+ (void)mdb_env_stat(env, &mst);
+ (void)mdb_env_info(env, &mei);
printf("Environment Info\n");
printf(" Map address: %p\n", mei.me_mapaddr);
- printf(" Map size: %"Z"u\n", mei.me_mapsize);
+ printf(" Map size: %"Yu"\n", mei.me_mapsize);
printf(" Page size: %u\n", mst.ms_psize);
- printf(" Max pages: %"Z"u\n", mei.me_mapsize / mst.ms_psize);
- printf(" Number of pages used: %"Z"u\n", mei.me_last_pgno+1);
- printf(" Last transaction ID: %"Z"u\n", mei.me_last_txnid);
+ printf(" Max pages: %"Yu"\n", mei.me_mapsize / mst.ms_psize);
+ printf(" Number of pages used: %"Yu"\n", mei.me_last_pgno+1);
+ printf(" Last transaction ID: %"Yu"\n", mei.me_last_txnid);
printf(" Max readers: %u\n", mei.me_maxreaders);
printf(" Number of readers used: %u\n", mei.me_numreaders);
}
rc = mdb_txn_begin(env, NULL, MDB_RDONLY, &txn);
if (rc) {
- printf("mdb_txn_begin failed, error %d %s\n", rc, mdb_strerror(rc));
+ fprintf(stderr, "mdb_txn_begin failed, error %d %s\n", rc, mdb_strerror(rc));
goto env_close;
}
if (freinfo) {
MDB_cursor *cursor;
MDB_val key, data;
- size_t pages = 0, *iptr;
+ mdb_size_t pages = 0, *iptr;
printf("Freelist Status\n");
dbi = 0;
rc = mdb_cursor_open(txn, dbi, &cursor);
if (rc) {
- printf("mdb_cursor_open failed, error %d %s\n", rc, mdb_strerror(rc));
+ fprintf(stderr, "mdb_cursor_open failed, error %d %s\n", rc, mdb_strerror(rc));
goto txn_abort;
}
rc = mdb_stat(txn, dbi, &mst);
if (rc) {
- printf("mdb_stat failed, error %d %s\n", rc, mdb_strerror(rc));
+ fprintf(stderr, "mdb_stat failed, error %d %s\n", rc, mdb_strerror(rc));
goto txn_abort;
}
prstat(&mst);
pages += *iptr;
if (freinfo > 1) {
char *bad = "";
- size_t pg, prev;
+ mdb_size_t pg, prev;
ssize_t i, j, span = 0;
j = *iptr++;
for (i = j, prev = 1; --i >= 0; ) {
pg += span;
for (; i >= span && iptr[i-span] == pg; span++, pg++) ;
}
- printf(" Transaction %"Z"u, %"Z"d pages, maxspan %"Z"d%s\n",
- *(size_t *)key.mv_data, j, span, bad);
+ printf(" Transaction %"Yu", %"Z"d pages, maxspan %"Z"d%s\n",
+ *(mdb_size_t *)key.mv_data, j, span, bad);
if (freinfo > 2) {
for (--j; j >= 0; ) {
pg = iptr[j];
for (span=1; --j >= 0 && iptr[j] == pg+span; span++) ;
- printf(span>1 ? " %9"Z"u[%"Z"d]\n" : " %9"Z"u\n",
+ printf(span>1 ? " %9"Yu"[%"Z"d]\n" : " %9"Yu"\n",
pg, span);
}
}
}
}
mdb_cursor_close(cursor);
- printf(" Free pages: %"Z"u\n", pages);
+ printf(" Free pages: %"Yu"\n", pages);
}
rc = mdb_open(txn, subname, 0, &dbi);
if (rc) {
- printf("mdb_open failed, error %d %s\n", rc, mdb_strerror(rc));
+ fprintf(stderr, "mdb_open failed, error %d %s\n", rc, mdb_strerror(rc));
goto txn_abort;
}
-
+
rc = mdb_stat(txn, dbi, &mst);
if (rc) {
- printf("mdb_stat failed, error %d %s\n", rc, mdb_strerror(rc));
+ fprintf(stderr, "mdb_stat failed, error %d %s\n", rc, mdb_strerror(rc));
goto txn_abort;
}
printf("Status of %s\n", subname ? subname : "Main DB");
rc = mdb_cursor_open(txn, dbi, &cursor);
if (rc) {
- printf("mdb_cursor_open failed, error %d %s\n", rc, mdb_strerror(rc));
+ fprintf(stderr, "mdb_cursor_open failed, error %d %s\n", rc, mdb_strerror(rc));
goto txn_abort;
}
while ((rc = mdb_cursor_get(cursor, &key, NULL, MDB_NEXT_NODUP)) == 0) {
if (rc) continue;
rc = mdb_stat(txn, db2, &mst);
if (rc) {
- printf("mdb_stat failed, error %d %s\n", rc, mdb_strerror(rc));
+ fprintf(stderr, "mdb_stat failed, error %d %s\n", rc, mdb_strerror(rc));
goto txn_abort;
}
prstat(&mst);
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