77 lines
1.2 KiB
C
77 lines
1.2 KiB
C
/* Test program for bug in wide streams. */
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#include <stdio.h>
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#include <wchar.h>
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static void do_prepare (void);
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#define PREPARE(argc, argv) do_prepare ()
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static int do_test (void);
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#define TEST_FUNCTION do_test ()
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#include <test-skeleton.c>
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static char *temp_file;
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static void
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do_prepare (void)
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{
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int fd = create_temp_file ("bug-ungetc.", &temp_file);
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if (fd == -1)
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{
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printf ("cannot create temporary file: %m\n");
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exit (1);
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}
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write (fd, "1!", 2);
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close (fd);
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}
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static int
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do_test (void)
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{
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FILE *f = fopen (temp_file, "r+");
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if (f == NULL)
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{
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printf ("fopen: %m\n");
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return 1;
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}
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#define L_(s) L##s
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//#define fwscanf fscanf
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//#define fwprintf fprintf
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int i;
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if (fwscanf (f, L_("%d!"), &i) != 1)
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{
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printf ("fwscanf failed\n");
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return 1;
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}
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rewind (f);
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if (ferror (f))
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{
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printf ("rewind: %m\n");
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return 1;
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}
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if (fputws (L_("1!"), f) == EOF)
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{
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printf ("fputws: %m\n");
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return 1;
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}
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if (fflush (f) != 0)
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{
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printf ("fflush: %m\n");
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return 1;
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}
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if (fclose (f) != 0)
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{
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printf ("fclose: %m\n");
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return 1;
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}
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puts ("Test succeeded.");
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return 0;
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}
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