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-rw-r--r--sim/testsuite/sim/cris/c/append1.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/sim/testsuite/sim/cris/c/append1.c b/sim/testsuite/sim/cris/c/append1.c
new file mode 100644
index 00000000000..0acd59d2827
--- /dev/null
+++ b/sim/testsuite/sim/cris/c/append1.c
@@ -0,0 +1,51 @@
+/* Check regression of a bug uncovered by the libio tFile test (old
+ libstdc++, pre-gcc-3.x era), where appending to a file doesn't work.
+ The default open-flags-mapping does not match Linux/CRIS, so a
+ specific mapping is necessary. */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+int
+main (void)
+{
+ FILE *f;
+ const char fname[] = "sk1test.dat";
+ const char tsttxt1[]
+ = "This is the first and only line of this file.\n";
+ const char tsttxt2[] = "Now there is a second line.\n";
+ char buf[sizeof (tsttxt1) + sizeof (tsttxt2) - 1] = "";
+
+ f = fopen (fname, "w+");
+ if (f == NULL
+ || fwrite (tsttxt1, 1, strlen (tsttxt1), f) != strlen (tsttxt1)
+ || fclose (f) != 0)
+ {
+ printf ("fail\n");
+ exit (1);
+ }
+
+ f = fopen (fname, "a+");
+ if (f == NULL
+ || fwrite (tsttxt2, 1, strlen (tsttxt2), f) != strlen (tsttxt2)
+ || fclose (f) != 0)
+ {
+ printf ("fail\n");
+ exit (1);
+ }
+
+ f = fopen (fname, "r");
+ if (f == NULL
+ || fread (buf, 1, sizeof (buf), f) != sizeof (buf) - 1
+ || strncmp (buf, tsttxt1, strlen (tsttxt1)) != 0
+ || strncmp (buf + strlen (tsttxt1), tsttxt2, strlen (tsttxt2)) != 0
+ || fclose (f) != 0)
+ {
+ printf ("fail\n");
+ exit (1);
+ }
+
+ printf ("pass\n");
+ exit (0);
+}