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Original file line number | Diff line number | Diff line change |
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/* Test program for fsetpos on a wide character stream. */ | ||
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#include <assert.h> | ||
#include <stdio.h> | ||
#include <wchar.h> | ||
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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> | ||
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static const char pattern[] = "12345"; | ||
static char *temp_file; | ||
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static void | ||
do_prepare (void) | ||
{ | ||
int fd = create_temp_file ("bug-wsetpos.", &temp_file); | ||
if (fd == -1) | ||
{ | ||
printf ("cannot create temporary file: %m\n"); | ||
exit (1); | ||
} | ||
write (fd, pattern, sizeof (pattern)); | ||
close (fd); | ||
} | ||
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static int | ||
do_test (void) | ||
{ | ||
FILE *fp = fopen (temp_file, "r"); | ||
fpos_t pos; | ||
wchar_t c; | ||
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if (fp == NULL) | ||
{ | ||
printf ("fdopen: %m\n"); | ||
return 1; | ||
} | ||
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c = fgetwc (fp); assert (c == L'1'); | ||
c = fgetwc (fp); assert (c == L'2'); | ||
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if (fgetpos (fp, &pos) == EOF) | ||
{ | ||
printf ("fgetpos: %m\n"); | ||
return 1; | ||
} | ||
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rewind (fp); | ||
if (ferror (fp)) | ||
{ | ||
printf ("rewind: %m\n"); | ||
return 1; | ||
} | ||
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c = fgetwc (fp); assert (c == L'1'); | ||
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if (fsetpos (fp, &pos) == EOF) | ||
{ | ||
printf ("fsetpos: %m\n"); | ||
return 1; | ||
} | ||
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c = fgetwc (fp); | ||
if (c != L'3') | ||
{ | ||
puts ("fsetpos failed"); | ||
return 1; | ||
} | ||
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puts ("Test succeeded."); | ||
return 0; | ||
} |
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