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36 lines
677 B
C
36 lines
677 B
C
#include "config.h"
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#include "f2c.h"
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#include "fio.h"
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static FILE *
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unit_chk (integer Unit, char *who)
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{
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if (Unit >= MXUNIT || Unit < 0)
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f__fatal (101, who);
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return f__units[Unit].ufd;
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}
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integer
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G77_ftell_0 (integer * Unit)
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{
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FILE *f;
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return (f = unit_chk (*Unit, "ftell")) ? (integer) FTELL (f) : -1L;
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}
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integer
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G77_fseek_0 (integer * Unit, integer * offset, integer * xwhence)
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{
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FILE *f;
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int w = (int) *xwhence;
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#ifdef SEEK_SET
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static int wohin[3] = { SEEK_SET, SEEK_CUR, SEEK_END };
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#endif
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if (w < 0 || w > 2)
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w = 0;
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#ifdef SEEK_SET
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w = wohin[w];
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#endif
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return !(f = unit_chk (*Unit, "fseek"))
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|| FSEEK (f, (off_t) * offset, w) ? 1 : 0;
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}
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