Fix "may be used uninitialized" warnings in db2 code, even though all

such cases appear to be safe.  This will permit making
uninitialized-variable messages fatal.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25147 dc483132-0cff-0310-8789-dd5450dbe970

4 files changed, 9 insertions, 8 deletions

diff --git a/src/plugins/kdb/db2/libdb2/btree/bt_delete.c b/src/plugins/kdb/db2/libdb2/btree/bt_delete.c
index 02ae2e9be..4133aa3f0 100644
--- a/src/plugins/kdb/db2/libdb2/btree/bt_delete.c
+++ b/src/plugins/kdb/db2/libdb2/btree/bt_delete.c
@@ -150,7 +150,7 @@ __bt_stkacq(t, hp, c)
 	EPG *e;
 	EPGNO *parent;
 	PAGE *h;
-	indx_t idx;
+	indx_t idx = 0;
 	db_pgno_t pgno;
 	recno_t nextpg, prevpg;
 	int exact, level;
diff --git a/src/plugins/kdb/db2/libdb2/btree/bt_search.c b/src/plugins/kdb/db2/libdb2/btree/bt_search.c
index de7ab126f..1f4f7160d 100644
--- a/src/plugins/kdb/db2/libdb2/btree/bt_search.c
+++ b/src/plugins/kdb/db2/libdb2/btree/bt_search.c
@@ -157,7 +157,7 @@ __bt_snext(t, h, key, exactp)
 	BINTERNAL *bi;
 	EPG e;
 	EPGNO *parent;
-	indx_t idx;
+	indx_t idx = 0;
 	db_pgno_t pgno;
 	int level;
 
@@ -237,7 +237,7 @@ __bt_sprev(t, h, key, exactp)
 	BINTERNAL *bi;
 	EPG e;
 	EPGNO *parent;
-	indx_t idx;
+	indx_t idx = 0;
 	db_pgno_t pgno;
 	int level;
 
diff --git a/src/plugins/kdb/db2/libdb2/btree/bt_seq.c b/src/plugins/kdb/db2/libdb2/btree/bt_seq.c
index 6124f968b..5707cab9b 100644
--- a/src/plugins/kdb/db2/libdb2/btree/bt_seq.c
+++ b/src/plugins/kdb/db2/libdb2/btree/bt_seq.c
@@ -269,7 +269,7 @@ __bt_seqadv(t, ep, flags)
 {
 	CURSOR *c;
 	PAGE *h;
-	indx_t idx;
+	indx_t idx = 0;
 	db_pgno_t pg;
 	int exact, rval;
 
@@ -818,7 +818,7 @@ bt_rseqadv(t, ep, rc, flags)
 {
 	CURSOR *c;
 	PAGE *h;
-	indx_t idx;
+	indx_t idx = 0;
 	db_pgno_t pg;
 	int status;
 	EPGNO *e;
diff --git a/src/plugins/kdb/db2/libdb2/btree/bt_split.c b/src/plugins/kdb/db2/libdb2/btree/bt_split.c
index 9b2708e76..2460aa54f 100644
--- a/src/plugins/kdb/db2/libdb2/btree/bt_split.c
+++ b/src/plugins/kdb/db2/libdb2/btree/bt_split.c
@@ -87,14 +87,14 @@ __bt_split(t, sp, key, data, flags, ilen, argskip)
 	size_t ilen;
 	u_int32_t argskip;
 {
-	BINTERNAL *bi;
-	BLEAF *bl, *tbl;
+	BINTERNAL *bi = NULL;
+	BLEAF *bl = NULL, *tbl;
 	DBT a, b;
 	EPGNO *parent;
 	PAGE *h, *l, *r, *lchild, *rchild;
 	indx_t nxtindex;
 	u_int16_t skip;
-	u_int32_t n, nbytes, nksize;
+	u_int32_t n, nbytes, nksize = 0;
 	int parentsplit;
 	char *dest;
 
@@ -637,6 +637,7 @@ bt_psplit(t, h, l, r, pskip, ilen)
 	full = t->bt_psize - BTDATAOFF;
 	half = full / 2;
 	used = 0;
+	src = NULL;	     /* silence gcc "uninitialized" warning */
 	for (nxt = off = 0, top = NEXTINDEX(h); nxt < top; ++off) {
 		if (skip == off) {
 			nbytes = ilen;