934b77ac65
2002-08-27 Ulrich Drepper <drepper@redhat.com> * sysdeps/arm/Dist: Add bits/link.h. * sunrpc/Makefile: Distribute thrsvc. * stdio-common/Makefile: Remove more left-overs from old stdio. * include/linewrap.h: Removed. * libio/bug-mmap-fflush.c: Rewrite to not touch source directory. * intl/Makefile (distribute): Add plural-eval.c. * stdio-common/Makefile (headers): Remove bits/stdio_lim.h. This file isn't distributed. Add special rules to install bits/stdio_lim.h. * Make-dist: Remove traces of old stdio. * Makeconfig: Likewise. * locale/Makefile (localedef-aux): New variable. Only md5 assigned to it. These files are not ddistributed in this directory. * sysdeps/unix/sysv/linux/s390/Dist: Add sys/procfs.h. * sysdeps/unix/sysv/linux/s390/s390-64/Dist: Remove sys/procfs.h. * sysdeps/unix/sysv/linux/s390/s390-32/Dist: Likewise. * sysdeps/unix/sysv/linux/Dist: Remove sys/sendfile.h.
54 lines
1,011 B
C
54 lines
1,011 B
C
/* Test for bug in fflush synchronization behavior. */
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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 char *fname;
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static void prepare (void);
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#define PREPARE(argc, argv) prepare ()
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#define TEST_FUNCTION do_test ()
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static int do_test (void);
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#include "../test-skeleton.c"
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static void
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prepare (void)
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{
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int fd = create_temp_file ("bug-mmap-fflush.", &fname);
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if (fd == -1)
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exit (3);
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/* We don't need the descriptor. */
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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;
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off_t o;
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char buffer[1024];
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snprintf (buffer, sizeof (buffer), "echo 'From foo@bar.com' > %s", fname);
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system (buffer);
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f = fopen (fname, "r");
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fseek (f, 0, SEEK_END);
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o = ftello (f);
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fseek (f, 0, SEEK_SET);
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fflush (f);
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snprintf (buffer, sizeof (buffer), "echo 'From bar@baz.edu' >> %s", fname);
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system (buffer);
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fseek (f, o, SEEK_SET);
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if (fgets (buffer, 1024, f) == NULL)
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exit (1);
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if (strncmp (buffer, "From ", 5) != 0)
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exit (1);
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fclose (f);
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exit (0);
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}
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