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2002-07-15 Ulrich Drepper <drepper@redhat.com> * libio/wfileops.c (_IO_wfile_seekoff): Reposition wide pointers and adjust state for seek position. [PR libc/4070] * libio/Makefile (tests): Add bug-rewind. * libio/bug-rewind.c: New file.
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Ulrich Drepper
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Jul 15, 2002
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,52 @@ | ||
#include <stdio.h> | ||
#include <wchar.h> | ||
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#define PASSED 0 | ||
#define FAILED 3 | ||
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int | ||
main (void) | ||
{ | ||
FILE *fptr; | ||
char arg1; | ||
char arg2; | ||
int ret, ret1, ret2, result, num; | ||
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ret1 = 0; | ||
ret2 = 0; | ||
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if ((fptr = fopen ("./wrewind.dat", "w+")) == NULL) | ||
{ | ||
printf ("Unable to open file.\n"); | ||
return 1; | ||
} | ||
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if ((ret = fwprintf (fptr, L"cderf")) <= 0) | ||
{ | ||
printf ("Unable to write to file with fwprintf().\n"); | ||
fclose (fptr); | ||
return 2; | ||
} | ||
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rewind (fptr); | ||
ret1 = fwscanf (fptr, L"%c%c", &arg1, &arg2); | ||
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rewind (fptr); | ||
ret2 = fwscanf (fptr, L"%c%n%c", &arg1, &num, &arg2); | ||
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if (arg2 != 'd') | ||
{ | ||
result = FAILED; | ||
printf ("rewind after first fwscanf failed\n"); | ||
} | ||
else | ||
{ | ||
printf ("Passed\n"); | ||
result = PASSED; | ||
} | ||
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fclose (fptr); | ||
return result; | ||
} |
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