Properly recognize and announce input errors.

src/bin/psql/input.c

@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2000-2007, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/psql/input.c,v 1.62 2007/01/05 22:19:49 momjian Exp $
+ * $PostgreSQL: pgsql/src/bin/psql/input.c,v 1.63 2007/11/28 09:17:46 petere Exp $
  */
 #include "postgres_fe.h"
 
@@ -147,7 +147,7 @@ pg_send_history(PQExpBuffer history_buf)
  * gets_fromFile
  *
  * Gets a line of noninteractive input from a file (which could be stdin).
- * The result is a malloc'd string.
+ * The result is a malloc'd string, or NULL on EOF or input error.
  *
  * Caller *must* have set up sigint_interrupt_jmp before calling.
  *
@@ -179,9 +179,16 @@ gets_fromFile(FILE *source)
 		/* Disable SIGINT again */
 		sigint_interrupt_enabled = false;
 
-		/* EOF? */
+		/* EOF or error? */
 		if (result == NULL)
+		{
+			if (ferror(source))
+			{
+				psql_error("could not read from input file: %s\n", strerror(errno));
+				return NULL;
+			}
 			break;
+		}
 
 		appendPQExpBufferStr(buffer, line);
 

src/bin/psql/mainloop.c

@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2000-2007, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/psql/mainloop.c,v 1.85 2007/01/05 22:19:49 momjian Exp $
+ * $PostgreSQL: pgsql/src/bin/psql/mainloop.c,v 1.86 2007/11/28 09:17:46 petere Exp $
  */
 #include "postgres_fe.h"
 #include "mainloop.h"
@@ -129,7 +129,11 @@ MainLoop(FILE *source)
 			line = gets_interactive(get_prompt(prompt_status));
 		}
 		else
+		{
 			line = gets_fromFile(source);
+			if (!line && ferror(source))
+				successResult = EXIT_FAILURE;
+		}
 
 		/*
 		 * query_buf holds query already accumulated.  line is the malloc'd