source: vendor/gcc/3.2.2/libf2c/libI77/uio.c

Last change on this file was 2, checked in by bird, 22 years ago

Initial revision

  • Property cvs2svn:cvs-rev set to 1.1
  • Property svn:eol-style set to native
  • Property svn:executable set to *
File size: 1.6 KB
Line 
1#include "f2c.h"
2#include "fio.h"
3#include <sys/types.h>
4uiolen f__reclen;
5
6#ifdef KR_headers
7do_us(number,ptr,len) ftnint *number; char *ptr; ftnlen len;
8#else
9do_us(ftnint *number, char *ptr, ftnlen len)
10#endif
11{
12 if(f__reading)
13 {
14 f__recpos += (int)(*number * len);
15 if(f__recpos>f__reclen)
16 err(f__elist->cierr, 110, "do_us");
17 if (fread(ptr,(size_t)len,(size_t)(*number),f__cf) != *number)
18 err(f__elist->ciend, EOF, "do_us");
19 return(0);
20 }
21 else
22 {
23 f__reclen += *number * len;
24 (void) fwrite(ptr,(size_t)len,(size_t)(*number),f__cf);
25 return(0);
26 }
27}
28#ifdef KR_headers
29integer do_ud(number,ptr,len) ftnint *number; char *ptr; ftnlen len;
30#else
31integer do_ud(ftnint *number, char *ptr, ftnlen len)
32#endif
33{
34 f__recpos += (int)(*number * len);
35 if(f__recpos > f__curunit->url && f__curunit->url!=1)
36 err(f__elist->cierr,110,"do_ud");
37 if(f__reading)
38 {
39#ifdef Pad_UDread
40#ifdef KR_headers
41 int i;
42#else
43 size_t i;
44#endif
45 if (!(i = fread(ptr,(size_t)len,(size_t)(*number),f__cf))
46 && !(f__recpos - *number*len))
47 err(f__elist->cierr,EOF,"do_ud");
48 if (i < *number)
49 memset(ptr + i*len, 0, (*number - i)*len);
50 return 0;
51#else
52 if(fread(ptr,(size_t)len,(size_t)(*number),f__cf) != *number)
53 err(f__elist->cierr,EOF,"do_ud");
54 else return(0);
55#endif
56 }
57 (void) fwrite(ptr,(size_t)len,(size_t)(*number),f__cf);
58 return(0);
59}
60#ifdef KR_headers
61integer do_uio(number,ptr,len) ftnint *number; char *ptr; ftnlen len;
62#else
63integer do_uio(ftnint *number, char *ptr, ftnlen len)
64#endif
65{
66 if(f__sequential)
67 return(do_us(number,ptr,len));
68 else return(do_ud(number,ptr,len));
69}
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