| /* Test program for bug in wide streams. */ |
| |
| #include <stdio.h> |
| #include <wchar.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 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, "1!", 2); |
| close (fd); |
| } |
| |
| static int |
| do_test (void) |
| { |
| FILE *f = fopen (temp_file, "r+"); |
| |
| if (f == NULL) |
| { |
| printf ("fopen: %m\n"); |
| return 1; |
| } |
| |
| #define L_(s) L##s |
| //#define fwscanf fscanf |
| //#define fwprintf fprintf |
| |
| int i; |
| if (fwscanf (f, L_("%d!"), &i) != 1) |
| { |
| printf ("fwscanf failed\n"); |
| return 1; |
| } |
| |
| rewind (f); |
| if (ferror (f)) |
| { |
| printf ("rewind: %m\n"); |
| return 1; |
| } |
| |
| if (fputws (L_("1!"), f) == EOF) |
| { |
| printf ("fputws: %m\n"); |
| return 1; |
| } |
| |
| if (fflush (f) != 0) |
| { |
| printf ("fflush: %m\n"); |
| return 1; |
| } |
| |
| if (fclose (f) != 0) |
| { |
| printf ("fclose: %m\n"); |
| return 1; |
| } |
| |
| puts ("Test succeeded."); |
| return 0; |
| } |