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Last change
on this file since 2788 was 1392, checked in by bird, 22 years ago |
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This commit was generated by cvs2svn to compensate for changes in r1391,
which included commits to RCS files with non-trunk default branches.
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-
Property cvs2svn:cvs-rev
set to
1.1.1.2
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Property svn:eol-style
set to
native
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Property svn:executable
set to
*
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File size:
490 bytes
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| 1 | #include "config.h"
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| 2 | #include "f2c.h"
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| 3 | #include "fio.h"
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| 4 | integer
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| 5 | f_rew (alist * a)
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| 6 | {
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| 7 | unit *b;
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| 8 | if (f__init & 2)
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| 9 | f__fatal (131, "I/O recursion");
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| 10 | if (a->aunit >= MXUNIT || a->aunit < 0)
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| 11 | err (a->aerr, 101, "rewind");
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| 12 | b = &f__units[a->aunit];
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| 13 | if (b->ufd == NULL || b->uwrt == 3)
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| 14 | return (0);
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| 15 | if (!b->useek)
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| 16 | err (a->aerr, 106, "rewind");
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| 17 | if (b->uwrt)
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| 18 | {
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| 19 | (void) t_runc (a);
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| 20 | b->uwrt = 3;
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| 21 | }
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| 22 | FSEEK (b->ufd, 0, SEEK_SET);
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| 23 | b->uend = 0;
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| 24 | return (0);
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| 25 | }
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