diff options
Diffstat (limited to 'libio/bug-ungetc3.c')
-rw-r--r-- | libio/bug-ungetc3.c | 94 |
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; -} |