Revision 14548,
462 bytes
checked in by ghudson, 24 years ago
(diff) |
This commit was generated by cvs2svn to compensate for changes in r14547,
which included commits to RCS files with non-trunk default branches.
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1 | #include "f2c.h" |
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2 | #include "fio.h" |
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3 | #ifdef KR_headers |
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4 | integer f_rew(a) alist *a; |
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5 | #else |
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6 | integer f_rew(alist *a) |
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7 | #endif |
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8 | { |
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9 | unit *b; |
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10 | if (f__init & 2) |
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11 | f__fatal (131, "I/O recursion"); |
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12 | if(a->aunit>=MXUNIT || a->aunit<0) |
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13 | err(a->aerr,101,"rewind"); |
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14 | b = &f__units[a->aunit]; |
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15 | if(b->ufd == NULL || b->uwrt == 3) |
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16 | return(0); |
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17 | if(!b->useek) |
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18 | err(a->aerr,106,"rewind"); |
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19 | if(b->uwrt) { |
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20 | (void) t_runc(a); |
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21 | b->uwrt = 3; |
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22 | } |
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23 | rewind(b->ufd); |
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24 | b->uend=0; |
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25 | return(0); |
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26 | } |
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