ebl Modify disk-changer to check if slot contains something before

[bacula/bacula] / bacula / src / cats / sql.c

diff --git a/bacula/src/cats/sql.c b/bacula/src/cats/sql.c
index 56b9ccaf0421b7395bf77d3ef953f4d22e671403..263b0714347baa6701c92d8de9bfbe9d22d5de3a 100644 (file)
--- a/bacula/src/cats/sql.c
+++ b/bacula/src/cats/sql.c
@@ -508,6 +508,9 @@ list_dashes(B_DB *mdb, DB_LIST_HANDLER *send, void *ctx)
    send(ctx, "+");
    for (i = 0; i < sql_num_fields(mdb); i++) {
       field = sql_fetch_field(mdb);
+      if (!field) {
+         break;
+      }
       for (j = 0; j < (int)field->max_length + 2; j++) {
          send(ctx, "-");
       }
@@ -540,6 +543,9 @@ list_result(JCR *jcr, B_DB *mdb, DB_LIST_HANDLER *send, void *ctx, e_list_type t
    for (i = 0; i < sql_num_fields(mdb); i++) {
       Dmsg1(800, "list_result processing field %d\n", i);
       field = sql_fetch_field(mdb);
+      if (!field) {
+         break;
+      }
       col_len = cstrlen(field->name);
       if (type == VERT_LIST) {
          if (col_len > max_len) {
@@ -571,6 +577,9 @@ list_result(JCR *jcr, B_DB *mdb, DB_LIST_HANDLER *send, void *ctx, e_list_type t
    for (i = 0; i < sql_num_fields(mdb); i++) {
       Dmsg1(800, "list_result looking at field %d\n", i);
       field = sql_fetch_field(mdb);
+      if (!field) {
+         break;
+      }
       bsnprintf(buf, sizeof(buf), " %-*s |", (int)field->max_length, field->name);
       send(ctx, buf);
    }
@@ -583,6 +592,9 @@ list_result(JCR *jcr, B_DB *mdb, DB_LIST_HANDLER *send, void *ctx, e_list_type t
       send(ctx, "|");
       for (i = 0; i < sql_num_fields(mdb); i++) {
          field = sql_fetch_field(mdb);
+         if (!field) {
+            break;
+         }
          if (row[i] == NULL) {
             bsnprintf(buf, sizeof(buf), " %-*s |", (int)field->max_length, "NULL");
          } else if (IS_NUM(field->type) && !jcr->gui && is_an_integer(row[i])) {
@@ -605,6 +617,9 @@ vertical_list:
       sql_field_seek(mdb, 0);
       for (i = 0; i < sql_num_fields(mdb); i++) {
          field = sql_fetch_field(mdb);
+         if (!field) {
+            break;
+         }
          if (row[i] == NULL) {
             bsnprintf(buf, sizeof(buf), " %*s: %s\n", max_len, field->name, "NULL");
          } else if (IS_NUM(field->type) && !jcr->gui && is_an_integer(row[i])) {