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51028f34ce
* libio/tst-ungetwc2.c (main): Define str const. * include/wchar.h: Add prototypes for __fwprintf and __vfwprintf. * libio/fwprintf.c: Also define __fwprintf. * stdio-common/vfprintf.c [COMPILE_WPRINTF]: Also define __vfwprintf. * argp/argp-fmtstream.c: Handle wide oriented stderr stream. * assert/assert-perr.c: Likewise. * assert/assert.c: Likewise. * gmon/gmon.c: Likewise. * inet/rcmd.c: Likewise. * malloc/obstack.c: Likewise. * misc/err.c: Likewise. * misc/error.c: Likewise. * misc/getpass.c: Likewise. * posix/getopt.c: Likewise. * resolv/res_hconf.c: Likewise. * stdio-common/perror.c: Likewise. * stdio-common/psignal.c: Likewise. * stdlib/fmtmsg.c: Likewise. * sunrpc/auth_unix.c: Likewise. * sunrpc/clnt_perr.c: Likewise. * sunrpc/clnt_tcp.c: Likewise. * sunrpc/clnt_udp.c: Likewise. * sunrpc/clnt_unix.c: Likewise. * sunrpc/svc_simple.c: Likewise. * sunrpc/svc_tcp.c: Likewise. * sunrpc/svc_udp.c: Likewise. * sunrpc/svc_unix.c: Likewise. * sunrpc/xdr.c: Likewise. * sunrpc/xdr_array.c: Likewise. * sunrpc/xdr_rec.c: Likewise. * sunrpc/xdr_ref.c: Likewise. * sysdeps/generic/wordexp.c: Likewise. * misc/err.c: Handle wide oriented stderr stream.
82 lines
1.6 KiB
C
82 lines
1.6 KiB
C
/* Taken from the Li18nux base test suite. */
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#define _XOPEN_SOURCE 500
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#include <locale.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <wchar.h>
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int
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main (void)
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{
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FILE *fp;
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const char *str = "abcdef";
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wint_t ret, wc;
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char fname[] = "/tmp/tst-ungetwc2.out.XXXXXX";
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int fd;
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long int pos;
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int result = 0;
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puts ("This program runs on de_DE.UTF-8 locale.");
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if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL)
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{
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fprintf (stderr, "Err: Cannot run on the de_DE.UTF-8 locale\n");
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exit (EXIT_FAILURE);
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}
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/* Write some characters to `testfile'. */
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fd = mkstemp (fname);
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if (fd == -1)
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{
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printf ("cannot open temp file: %m\n");
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exit (EXIT_FAILURE);
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}
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if ((fp = fdopen (fd, "w")) == NULL)
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{
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fprintf (stderr, "Cannot open 'testfile'.\n");
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exit (EXIT_FAILURE);
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}
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fputs (str, fp);
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fclose (fp);
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/* Open `testfile'. */
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if ((fp = fopen (fname, "r")) == NULL)
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{
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fprintf (stderr, "Cannot open 'testfile'.");
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exit (EXIT_FAILURE);
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}
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/* Get a character. */
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wc = getwc (fp);
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pos = ftell (fp);
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printf ("After get a character: %ld\n", pos);
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if (pos != 1)
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result = 1;
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/* Unget a character. */
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ret = ungetwc (wc, fp);
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if (ret == WEOF)
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{
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fprintf (stderr, "ungetwc() returns NULL.");
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exit (EXIT_FAILURE);
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}
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pos = ftell (fp);
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printf ("After unget a character: %ld\n", pos);
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if (pos != 0)
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result = 1;
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/* Reget a character. */
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wc = getwc (fp);
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pos = ftell (fp);
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printf ("After reget a character: %ld\n", pos);
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if (pos != 1)
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result = 1;
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fclose (fp);
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unlink (fname);
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return result;
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}
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