libdtsearch: Resolve uninitialized warnings

cde/lib/DtSearch/hilite.c

@@ -94,7 +94,7 @@ long	hilite_cleartext (int parse_type, char *stems, int stemcount)
     PARG		parg;
     char *		(*parser)() =	usrblk.dblk->parser;
     char *		(*stemmer)() =	usrblk.dblk->stemmer;
-    DtSrHitword		*hitwords;
+    DtSrHitword		*hitwords = NULL;
     size_t		hitwords_size =	0;
     long		hitwcount =	0;
     long		offset;
@@ -158,10 +158,10 @@ long	hilite_cleartext (int parse_type, char *stems, int stemcount)
 		hitwords = realloc (hitwords,
 		    hitwords_size * sizeof(DtSrHitword) + 16);
 	    }
-	    if (!hitwords) {
-		fputs (PROGNAME"091 Out of Memory!\n", aa_stderr);
-		DtSearchExit (91);
-	    }
+	}
+	if (!hitwords) {
+	    fputs (PROGNAME"091 Out of Memory!\n", aa_stderr);
+	    DtSearchExit (91);
 	}
 	hitwords[hitwcount].offset =	offset;
 	hitwords[hitwcount].length =	wordlen;

cde/lib/DtSearch/raima/connect.c

@@ -84,8 +84,8 @@ int dbn  /* Database number */
    char *orec;            /* ptr to current owner record contents in cache */
    char *mrec;            /* ptr to current member record contents in cache */
    char *nrec;            /* ptr to next member record contents in cache */
-   DB_ADDR mdba;          /* db address of current member record */
-   DB_ADDR ndba;          /* db address of next member record */
+   DB_ADDR mdba = NULL;   /* db address of current member record */
+   DB_ADDR ndba = NULL;   /* db address of next member record */
    INT ordering;          /* set order control variable */
    int stat, compare;     /* status code & sort comparison result */
    SET_ENTRY *set_ptr;

cde/lib/DtSearch/raima/dio.c

@@ -811,10 +811,10 @@ LOOKUP_ENTRY * *xlu_ptr /* pointer to lookup table slot for found page*/
 {
    LOOKUP_ENTRY *lookup;  /* = db_lookup or ix_lookup */
    int pgtab_sz;          /* = db_pgtab_sz or ix_pgtab_sz */
-   long cmp;
+   long cmp = 0;
    int cnt;
-   int lu_slot, l, u;
-   LOOKUP_ENTRY *lu_ptr, *replu_ptr;
+   int lu_slot = 0, l, u;
+   LOOKUP_ENTRY *lu_ptr = NULL, *replu_ptr;
    PAGE_ENTRY *pg_ptr;
    int *lru_ptr;
    int pg_slot;

cde/lib/DtSearch/raima/keyfcns.c

@@ -380,8 +380,8 @@ int     *slot_offset, /* slot position offset */
 F_ADDR  *child   /* child ptr of located key */
 )
 {
-   int cmp, i, l, u, slot_pos;
-   char *node_slot_ptr;
+   int cmp = 0, i = 0, l, u, slot_pos = 0;
+   char *node_slot_ptr = NULL;
 
    /* perform binary search on node */
    l = 0;

cde/lib/DtSearch/raima/recfcns.c

@@ -303,7 +303,7 @@ DB_ADDR *db_addr
    char *fptr;
    const char *tfptr;
    int s, i, strfld;
-   FIELD_ENTRY *sfld_ptr;
+   FIELD_ENTRY *sfld_ptr = NULL;
    SORT_ENTRY *srt_ptr;
    DB_ADDR *co_ptr, *cm_ptr;
 
@@ -402,7 +402,7 @@ DB_ADDR *db_addr
 	 }
       }
    }
-   if ( strfld >= 0 ) {
+   if ( strfld >= 0 && sfld_ptr) {
       /* insert the new struct key */
       if ( key_insert( strfld, rec + sfld_ptr->fd_ptr, dba ) != S_OKAY )
 	 return( db_status );