aboutsummaryrefslogtreecommitdiff
path: root/libio/bug-ungetc3.c
diff options
context:
space:
mode:
Diffstat (limited to 'libio/bug-ungetc3.c')
-rw-r--r--libio/bug-ungetc3.c94
1 files changed, 0 insertions, 94 deletions
diff --git a/libio/bug-ungetc3.c b/libio/bug-ungetc3.c
deleted file mode 100644
index 0c83c1161e..0000000000
--- a/libio/bug-ungetc3.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/* Test program for ungetc/ftell interaction bug. */
-
-#include <stdio.h>
-
-static void do_prepare (void);
-#define PREPARE(argc, argv) do_prepare ()
-static int do_test (void);
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"
-
-static const char pattern[] = "12345";
-static char *temp_file;
-
-static void
-do_prepare (void)
-{
- int fd = create_temp_file ("bug-ungetc.", &temp_file);
- if (fd == -1)
- {
- printf ("cannot create temporary file: %m\n");
- exit (1);
- }
- write (fd, pattern, sizeof (pattern));
- close (fd);
-}
-
-static int
-do_one_test (int mode)
-{
- FILE *f;
-
- f = fopen (temp_file, "r");
- if (f == NULL)
- {
- printf ("could not open temporary file: %m\n");
- return 1;
- }
-
- if (mode == 1 && ftell (f) != 0)
- {
- printf ("first ftell returned wrong position %ld\n", ftell (f));
- return 1;
- }
-
- if (fgetc (f) != '1' || fgetc (f) != '2')
- {
- puts ("fgetc failed");
- return 1;
- }
-
- if (mode == 2 && ftell (f) != 2)
- {
- printf ("second ftell returned wrong position %ld\n", ftell (f));
- return 1;
- }
-
- if (ungetc ('6', f) != '6')
- {
- puts ("ungetc failed");
- return 1;
- }
-
- if (ftell (f) != 1)
- {
- printf ("third ftell returned wrong position %ld\n", ftell (f));
- return 1;
- }
-
- if (fgetc (f) != '6')
- {
- puts ("fgetc failed");
- return 1;
- }
-
- if (ftell (f) != 2)
- {
- printf ("fourth ftell returned wrong position %ld\n", ftell (f));
- return 1;
- }
-
- fclose (f);
-
- return 0;
-}
-
-static int
-do_test (void)
-{
- int mode;
- for (mode = 0; mode <= 2; mode++)
- if (do_one_test (mode))
- return 1;
- return 0;
-}