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67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/*
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* Copyright © 2011 Guillem Jover <guillem@hadrons.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static int
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test_memstream(FILE *fp, size_t bufsz)
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{
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fputs("World", fp);
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if (fpurge(fp) < 0)
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return 1;
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fflush(fp);
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if (bufsz != 0)
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return 1;
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return 0;
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}
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int
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main(int argc, char *argv[])
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{
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FILE *fp;
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char *buf = NULL;
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size_t bufsz = 0;
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int rc;
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if (fpurge(NULL) == 0)
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return 1;
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fp = fopen("/dev/zero", "r");
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if (fpurge(fp) < 0)
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return 1;
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fclose(fp);
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fp = open_memstream(&buf, &bufsz);
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rc = test_memstream(fp, bufsz);
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fclose(fp);
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free(buf);
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return rc;
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}
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