Changeset: 565b4100683b for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=565b4100683b
Modified Files:
gdk/gdk_atoms.c
gdk/gdk_bat.c
gdk/gdk_bbp.c
gdk/gdk_logger.c
Branch: Jul2015
Log Message:
Coverity-inspired fixes.
diffs (248 lines):
diff --git a/gdk/gdk_atoms.c b/gdk/gdk_atoms.c
--- a/gdk/gdk_atoms.c
+++ b/gdk/gdk_atoms.c
@@ -1277,20 +1277,26 @@ strPut(Heap *h, var_t *dst, const char *
/* 110bbbba 10aaaaaa
* one of the b's must be set*/
assert(v[i] & 0x4D);
- assert((v[++i] & 0xC0) == 0x80);
+ i++;
+ assert((v[i] & 0xC0) == 0x80);
} else if ((v[i] & 0xF0) == 0xE0) {
/* 1110cccc 10cbbbba 10aaaaaa
* one of the c's must be set*/
assert(v[i] & 0x0F || v[i + 1] & 0x20);
- assert((v[++i] & 0xC0) == 0x80);
- assert((v[++i] & 0xC0) == 0x80);
+ i++;
+ assert((v[i] & 0xC0) == 0x80);
+ i++;
+ assert((v[i] & 0xC0) == 0x80);
} else if ((v[i] & 0xF8) == 0xF0) {
/* 11110ddd 10ddcccc 10cbbbba 10aaaaaa
* one of the d's must be set */
assert(v[i] & 0x07 || v[i + 1] & 0x30);
- assert((v[++i] & 0xC0) == 0x80);
- assert((v[++i] & 0xC0) == 0x80);
- assert((v[++i] & 0xC0) == 0x80);
+ i++;
+ assert((v[i] & 0xC0) == 0x80);
+ i++;
+ assert((v[i] & 0xC0) == 0x80);
+ i++;
+ assert((v[i] & 0xC0) == 0x80);
} else {
/* this will fail */
assert((v[i] & 0x80) == 0);
diff --git a/gdk/gdk_bat.c b/gdk/gdk_bat.c
--- a/gdk/gdk_bat.c
+++ b/gdk/gdk_bat.c
@@ -1203,13 +1203,25 @@ BUNins(BAT *b, const void *h, const void
if (b->H->hash) {
HASHins(bm, p, h);
- if (hsize && hsize != b->H->vheap->size)
+#ifndef STATIC_CODE_ANALYSIS
+ if (hsize && hsize != b->H->vheap->size) {
+ /* Coverity: "Useless call: calling
+ * HEAPwarm is only useful for its
+ * return value, which is ignored" */
HEAPwarm(b->H->vheap);
+ }
+#endif
}
if (b->T->hash) {
HASHins(b, p, t);
- if (tsize && tsize != b->T->vheap->size)
+#ifndef STATIC_CODE_ANALYSIS
+ if (tsize && tsize != b->T->vheap->size) {
+ /* Coverity: "Useless call: calling
+ * HEAPwarm is only useful for its
+ * return value, which is ignored" */
HEAPwarm(b->T->vheap);
+ }
+#endif
}
}
IMPSdestroy(b); /* no support for inserts in imprints yet */
diff --git a/gdk/gdk_bbp.c b/gdk/gdk_bbp.c
--- a/gdk/gdk_bbp.c
+++ b/gdk/gdk_bbp.c
@@ -1375,9 +1375,12 @@ BBPdir_subcommit(int cnt, bat *subcommit
obbpf = NULL;
} else if (sscanf(buf, "%d", &n) != 1 || n <= 0)
GDKfatal("BBPdir: subcommit attempted with
invalid backup BBP.dir.");
+ /* at this point, obbpf == NULL, or n > 0 */
}
- if (j == cnt && n == 0)
+ if (j == cnt && n == 0) {
+ assert(obbpf == NULL);
break;
+ }
if (j < cnt && (n == 0 || subcommit[j] <= n || obbpf == NULL)) {
bat i = subcommit[j];
/* BBP.dir consists of all persistent bats only */
@@ -1425,8 +1428,6 @@ BBPdir_subcommit(int cnt, bat *subcommit
GDKsyserror("BBPdir_subcommit: Closing BBP.dir file failed\n");
goto bailout;
}
- if (obbpf != NULL)
- fclose(obbpf);
IODEBUG fprintf(stderr, "#BBPdir end\n");
@@ -3592,8 +3593,7 @@ force_move(int farmid, const char *srcdi
ret = GDK_FAIL;
IODEBUG fprintf(stderr, "#unlink %s = %d\n", dstpath, (int)
ret);
- if (GDKcreatedir(dstdir) == GDK_SUCCEED)
- ret = GDK_SUCCEED;
+ (void) GDKcreatedir(dstdir); /* if fails, move will fail */
ret = GDKmove(farmid, srcdir, name, NULL, dstdir, name, NULL);
if (ret != GDK_SUCCEED)
GDKsyserror("force_move: link(%s,%s)=%d\n", srcpath,
dstpath, (int) ret);
diff --git a/gdk/gdk_logger.c b/gdk/gdk_logger.c
--- a/gdk/gdk_logger.c
+++ b/gdk/gdk_logger.c
@@ -1248,11 +1248,15 @@ logger_new(int debug, const char *fn, co
#endif
snprintf(filename, sizeof(filename), "%s%c%s%c", logdir, DIR_SEP, fn,
DIR_SEP);
- if ((lg->fn = GDKstrdup(fn)) == NULL ||
- (lg->dir = GDKstrdup(filename)) == NULL) {
+ lg->fn = GDKstrdup(fn);
+ lg->dir = GDKstrdup(filename);
+ lg->bufsize = 64*1024;
+ lg->buf = GDKmalloc(lg->bufsize);
+ if (lg->fn == NULL || lg->dir == NULL || lg->buf == NULL) {
fprintf(stderr, "!ERROR: logger_new: strdup failed\n");
GDKfree(lg->fn);
GDKfree(lg->dir);
+ GDKfree(lg->buf);
GDKfree(lg);
return NULL;
}
@@ -1269,7 +1273,6 @@ logger_new(int debug, const char *fn, co
lg->seqs_id = NULL;
lg->seqs_val = NULL;
lg->dseqs = NULL;
- lg->buf = GDKmalloc(lg->bufsize = 64*1024);
snprintf(filename, sizeof(filename), "%s%s", lg->dir, LOGFILE);
snprintf(bak, sizeof(bak), "%s.bak", filename);
@@ -1309,7 +1312,6 @@ logger_new(int debug, const char *fn, co
"(--dbpath) and log directory "
"(--set %s_logdir)?\n",
fn, 0, 0);
- goto error;
}
lg->catalog_bid = logbat_new(TYPE_int, BATSIZE, PERSISTENT);
@@ -1321,7 +1323,8 @@ logger_new(int debug, const char *fn, co
if (debug & 1)
fprintf(stderr, "#create %s catalog\n", fn);
- /* Make persistent */
+ /* give the catalog bats names so we can find them
+ * next time */
bid = lg->catalog_bid->batCacheid;
BBPincref(bid, TRUE);
snprintf(bak, sizeof(bak), "%s_catalog_bid", fn);
@@ -1329,7 +1332,6 @@ logger_new(int debug, const char *fn, co
logger_fatal("Logger_new: BBPrename to %s failed",
bak, 0, 0);
- /* Make persistent */
bid = lg->catalog_nme->batCacheid;
BBPincref(bid, TRUE);
snprintf(bak, sizeof(bak), "%s_catalog_nme", fn);
@@ -1393,10 +1395,17 @@ logger_new(int debug, const char *fn, co
dcatalog = BBPindex(bak);
d = BATdescriptor(dcatalog);
if (d == 0) {
+ /* older database: create dcatalog and convert
+ * catalog_bid and catalog_nme to
+ * dense-headed */
d = logbat_new(TYPE_oid, BATSIZE, PERSISTENT);
+ if (d == NULL)
+ logger_fatal("Logger_new: cannot create "
+ "dcatalog bat", 0, 0, 0);
BBPincref(d->batCacheid, TRUE);
if (BBPrename(d->batCacheid, bak) < 0)
- logger_fatal("Logger_new: BBPrename to %s
failed", bak, 0, 0);
+ logger_fatal("Logger_new: BBPrename to %s "
+ "failed", bak, 0, 0);
if (!BAThdense(b) || !BAThdense(n)) {
/* we need to convert catalog_bid and
* catalog_nme to be dense-headed; we
@@ -1463,7 +1472,6 @@ logger_new(int debug, const char *fn, co
"--set %s_logdir=<path to old log
directory> or move the old log\n"
"directory to the new location (%s).\n",
fn, fn, lg->dir);
- goto error;
}
lg->catalog_bid = b;
lg->catalog_nme = n;
@@ -1481,6 +1489,11 @@ logger_new(int debug, const char *fn, co
lg->seqs_id = BATnew(TYPE_void, TYPE_int, 1, TRANSIENT);
lg->seqs_val = BATnew(TYPE_void, TYPE_lng, 1, TRANSIENT);
lg->dseqs = BATnew(TYPE_void, TYPE_oid, 1, TRANSIENT);
+ if (lg->seqs_id == NULL ||
+ lg->seqs_val == NULL ||
+ lg->dseqs == NULL)
+ logger_fatal("Logger_new: cannot create seqs bats",
+ 0, 0, 0);
/* create LOG_SID sequence number */
if (BUNappend(lg->seqs_id, &id, FALSE) != GDK_SUCCEED ||
@@ -1489,20 +1502,26 @@ logger_new(int debug, const char *fn, co
"sequences bat", 0, 0, 0);
lg->snapshots_bid = logbat_new(TYPE_int, 1, PERSISTENT);
+ lg->snapshots_tid = logbat_new(TYPE_int, 1, PERSISTENT);
+ lg->dsnapshots = logbat_new(TYPE_oid, 1, PERSISTENT);
+ if (lg->snapshots_bid == NULL ||
+ lg->snapshots_tid == NULL ||
+ lg->dsnapshots == NULL)
+ logger_fatal("Logger_new: failed to create snapshots "
+ "bats", 0, 0, 0);
+
snprintf(bak, sizeof(bak), "%s_snapshots_bid", fn);
if (BBPrename(lg->snapshots_bid->batCacheid, bak) < 0)
logger_fatal("Logger_new: BBPrename to %s failed",
bak, 0, 0);
logger_add_bat(lg, lg->snapshots_bid, "snapshots_bid");
- lg->snapshots_tid = logbat_new(TYPE_int, 1, PERSISTENT);
snprintf(bak, sizeof(bak), "%s_snapshots_tid", fn);
if (BBPrename(lg->snapshots_tid->batCacheid, bak) < 0)
logger_fatal("Logger_new: BBPrename to %s failed",
bak, 0, 0);
logger_add_bat(lg, lg->snapshots_tid, "snapshots_tid");
- lg->dsnapshots = logbat_new(TYPE_oid, 1, PERSISTENT);
snprintf(bak, sizeof(bak), "%s_dsnapshots", fn);
if (BBPrename(lg->dsnapshots->batCacheid, bak) < 0)
logger_fatal("Logger_new: BBPrename to %s failed",
@@ -1521,6 +1540,9 @@ logger_new(int debug, const char *fn, co
BAT *o_id = BATdescriptor(seqs_id);
BAT *o_val = BATdescriptor(seqs_val);
+ if (o_id == NULL || o_val == NULL)
+ logger_fatal("Logger_new: inconsistent
database: cannot find seqs bats", 0, 0, 0);
+
lg->seqs_id = BATcopy(o_id, TYPE_void, TYPE_int, 1,
TRANSIENT);
lg->seqs_val = BATcopy(o_val, TYPE_void, TYPE_lng, 1,
TRANSIENT);
BBPunfix(o_id->batCacheid);
@@ -1530,6 +1552,11 @@ logger_new(int debug, const char *fn, co
lg->seqs_val = BATnew(TYPE_void, TYPE_lng, 1,
TRANSIENT);
}
lg->dseqs = BATnew(TYPE_void, TYPE_oid, 1, TRANSIENT);
+ if (lg->seqs_id == NULL ||
+ lg->seqs_val == NULL ||
+ lg->dseqs == NULL)
+ logger_fatal("Logger_new: cannot create seqs bats",
+ 0, 0, 0);
lg->snapshots_bid = BATdescriptor(snapshots_bid);
if (lg->snapshots_bid == 0)
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