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Commit | Line | Data |
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fe4da5cc | 1 | /* |
2 | * $Id$ | |
3 | * | |
4 | * $Log$ | |
5 | * Revision 1.2 1997/02/04 17:35:13 mclareni | |
6 | * Merge Winnt and 97a versions | |
7 | * | |
8 | * Revision 1.1.1.1.2.1 1997/01/21 11:30:12 mclareni | |
9 | * All mods for Winnt 96a on winnt branch | |
10 | * | |
11 | * Revision 1.1.1.1 1996/02/15 17:49:36 mclareni | |
12 | * Kernlib | |
13 | * | |
14 | */ | |
15 | #include "kerngen/pilot.h" | |
16 | /*> ROUTINE CFSEEK | |
17 | CERN PROGLIB# Z310 CFSEEK .VERSION KERNFOR 4.29 910718 | |
18 | ORIG. 12/01/91, JZ | |
19 | CALL CFSEEK (LUNDES, MEDIUM, NWREC, JCREC, ISTAT) | |
20 | reposition the file : | |
21 | LUNDES file descriptor | |
22 | MEDIUM = 0,1,2,3 : primary disk/tape, secondary disk/tape | |
23 | NWREC number of words per record | |
24 | JCREC number of records before current | |
25 | *ISTAT status, =zero if success | |
26 | */ | |
27 | #include "kerngen/cf_seek.h" | |
28 | #include "kerngen/cf_xaft.h" | |
29 | #include "kerngen/wordsizc.h" | |
30 | #include "kerngen/fortranc.h" | |
31 | ||
32 | #if defined(CERNLIB_QX_SC) | |
33 | void type_of_call cfseek_(lundes, medium, nwrec, jcrec, stat) | |
34 | #endif | |
35 | #if defined(CERNLIB_QXNO_SC) | |
36 | void type_of_call cfseek(lundes, medium, nwrec, jcrec, stat) | |
37 | #endif | |
38 | #if defined(CERNLIB_QXCAPT) | |
39 | void type_of_call CFSEEK(lundes, medium, nwrec, jcrec, stat) | |
40 | #endif | |
41 | int *lundes, *medium, *nwrec, *jcrec, *stat; | |
42 | { | |
43 | int fildes; | |
44 | int nbdo; | |
45 | int isw; | |
46 | ||
47 | /* position the file */ | |
48 | ||
49 | fildes = *lundes; | |
50 | nbdo = *jcrec * *nwrec * NBYTPW; | |
51 | isw = lseek (fildes, nbdo, 0); | |
52 | if (isw < 0) goto trouble; | |
53 | *stat = 0; | |
54 | return; | |
55 | ||
56 | trouble: *stat = -1; | |
57 | perror (" error in CFSEEK"); | |
58 | return; | |
59 | } | |
60 | /*> END <----------------------------------------------------------*/ | |
61 | #ifdef CERNLIB_TCGEN_CFSEEK | |
62 | #undef CERNLIB_TCGEN_CFSEEK | |
63 | #endif |