sqlite3: Improve error handling if memory alloc fails for SQL query string

Signed-off-by: David Sommerseth <dazo@users.sourceforge.net>
(cherry picked from commit 2613675111387fb0753d31be74b5e0a362389ef8)

1 files changed, 8 insertions, 2 deletions

diff --git a/database/sqlite/sqlite.c b/database/sqlite/sqlite.c
index 0f4e0e6..a17f4b0 100644
--- a/database/sqlite/sqlite.c
+++ b/database/sqlite/sqlite.c
@@ -70,7 +70,7 @@ static void _sqlite_set_error(dbresult *dbres, ErrorSeverity sev, const char *qu
 
         dbres->errSeverity = sev;
         dbres->errMsg = strdup(errbuf);
-        dbres->query = strdup(query);
+        dbres->query = strdup_nullsafe(query);
 }
 
 /**
@@ -327,7 +327,7 @@ void sqlite_log_error(eurephiaCTX *ctx, dbresult *dbres) {
         if( dbres->status != dbSUCCESS ) {
                 eurephia_log(ctx, LOG_ERROR, 4, "SQL Error: %s", dbres->errMsg);
         }
-        DEBUG(ctx, 33, "SQL Query: %s", dbres->query);
+        DEBUG(ctx, 33, "SQL Query: %s", (dbres->query != NULL ? dbres->query : "(None)"));
 }
 
 
@@ -397,6 +397,12 @@ dbresult *sqlite_query(eurephiaCTX *ctx, const char *fmt, ... ) {
         sql = sqlite3_vmprintf(fmt, ap);
         va_end(ap);
 
+        if( sql == NULL ) {
+                _sqlite_set_error(dbres, sevPANIC, NULL, "Could not allocate memory for SQL query string");
+                goto exit;
+        }
+
+
         if( ctx->dbc == NULL ) {
                 _sqlite_set_error(dbres, sevPANIC, sql, "No open database connection to perfom SQL query to");
                 goto exit;