Added error checking for the database API as well as OpenGL.

3 files changed, 100 insertions, 1 deletions

diff --git a/src/util/check_error.c b/src/util/check_error.c
index dbe5b8f..cd00439 100644
--- a/src/util/check_error.c
+++ b/src/util/check_error.c
@@ -1,10 +1,16 @@
 #include <GL/glut.h>
 #include <error.h>
 #include <errno.h>
+#include "sqlinfoprint.h"
+extern struct sqlca sqlca;
 
 void
-check_error (const char *filename, unsigned int linenum)
+check_error (const char *filename, const unsigned int linenum)
 {
+
+  /*
+   * Check for an error from the OpenGL API.
+   */
   GLenum errCode = glGetError ();
   if (errCode != GL_NO_ERROR)
     {
@@ -13,5 +19,10 @@ check_error (const char *filename, unsigned int linenum)
                      "OpenGL Error %s", errString);
     }
 
+  /*
+   * Check for an error from the Database API.
+   */
+  sqlinfoprint ("DB Error", &sqlca, filename, linenum);
+
   return;
 }
diff --git a/src/util/sqlinfoprint.c b/src/util/sqlinfoprint.c
new file mode 100644
index 0000000..8e0ae07
--- a/dev/null
+++ b/src/util/sqlinfoprint.c
@@ -0,0 +1,73 @@
+#include "sqlinfoprint.h"
+#include <sql.h>
+#include <string.h>
+#include <stdio.h>
+
+int
+sqlinfoprint (char *appMsg, struct sqlca *pSqlca, 
+              const char *file, const unsigned int line)
+{
+  int rc = 0;
+  char sqlInfo[1024];
+  char sqlInfoToken[1024];
+  char sqlstateMsg[1024];
+  char errorMsg[1024];
+
+  if (pSqlca->sqlcode != 0 && pSqlca->sqlcode != 100)
+    {
+      strcpy (sqlInfo, "");
+      if (pSqlca->sqlcode < 0)
+        {
+          sprintf (sqlInfoToken, "\n---- error report ----\n");
+          strcat (sqlInfo, sqlInfoToken);
+        }
+      else
+        {
+          sprintf (sqlInfoToken, "\n---- warning report ----\n");
+          strcat (sqlInfo, sqlInfoToken);
+        }
+
+      sprintf (sqlInfoToken, " app. message = %s\n", appMsg);
+      strcat (sqlInfo, sqlInfoToken);
+      sprintf (sqlInfoToken, " line = %i\n", line);
+      strcat (sqlInfo, sqlInfoToken);
+      sprintf (sqlInfoToken, " file = %s\n", file);
+      strcat (sqlInfo, sqlInfoToken);
+      sprintf (sqlInfoToken, " SQLCODE = %li\n", pSqlca->sqlcode);
+      strcat (sqlInfo, sqlInfoToken);
+      /* get error message */
+      rc = sqlaintp (errorMsg, 1024, 80, pSqlca);
+      /* return code is the length of the errorMsg string */
+      if (rc > 0)
+        {
+          sprintf (sqlInfoToken, " %s\n", errorMsg);
+          strcat (sqlInfo, sqlInfoToken);
+        }
+
+      /* get SQLSTATE message */
+      rc = sqlogstt (sqlstateMsg, 1024, 80, pSqlca->sqlstate);
+      if (rc == 0)
+        {
+          sprintf (sqlInfoToken, "%s", sqlstateMsg);
+          strcat (sqlInfo, sqlInfoToken);
+        }
+
+      if (pSqlca->sqlcode < 0)
+        {
+          sprintf (sqlInfoToken, "--- end error report ---\n");
+          strcat (sqlInfo, sqlInfoToken);
+          printf ("%s", sqlInfo);
+          return 1;
+        }
+      else
+        {
+          sprintf (sqlInfoToken, "-- - end warning report-- - \n ");
+          strcat (sqlInfo, sqlInfoToken);
+          printf ("%s", sqlInfo);
+          return 0;
+        }
+
+    }
+
+  return 0;
+}
diff --git a/src/util/sqlinfoprint.h b/src/util/sqlinfoprint.h
new file mode 100644
index 0000000..984694b
--- a/dev/null
+++ b/src/util/sqlinfoprint.h
@@ -0,0 +1,15 @@
+#ifndef SQLINFOPRINT_H
+#define SQLINFOPRINT_H
+
+#include "sqlca.h"
+
+/*
+ * Report SQL error messages.  Based on code from:
+ * http://publib.boulder.ibm.com/infocenter/db2luw/v9r5/topic/com.ibm.db2.luw.apdv.embed.doc/doc/c0005779.html
+ */
+int sqlinfoprint (char *appMsg, 
+                  struct sqlca *pSqlca, 
+                  const char *file, 
+                  const unsigned int line);
+
+#endif // SQLINFOPRINT_H