Go to the documentation of this file.00001 #include "f2c.h"
00002 #include "fio.h"
00003 #ifdef __cplusplus
00004 extern "C" {
00005 #endif
00006
00007 static FILE *
00008 #ifdef KR_headers
00009 unit_chk(Unit, who) integer Unit; char *who;
00010 #else
00011 unit_chk(integer Unit, char *who)
00012 #endif
00013 {
00014 if (Unit >= MXUNIT || Unit < 0)
00015 f__fatal(101, who);
00016 return f__units[Unit].ufd;
00017 }
00018
00019 longint
00020 #ifdef KR_headers
00021 ftell64_(Unit) integer *Unit;
00022 #else
00023 ftell64_(integer *Unit)
00024 #endif
00025 {
00026 FILE *f;
00027 return (f = unit_chk(*Unit, "ftell")) ? FTELL(f) : -1L;
00028 }
00029
00030 int
00031 #ifdef KR_headers
00032 fseek64_(Unit, offset, whence) integer *Unit, *whence; longint *offset;
00033 #else
00034 fseek64_(integer *Unit, longint *offset, integer *whence)
00035 #endif
00036 {
00037 FILE *f;
00038 int w = (int)*whence;
00039 #ifdef SEEK_SET
00040 static int wohin[3] = { SEEK_SET, SEEK_CUR, SEEK_END };
00041 #endif
00042 if (w < 0 || w > 2)
00043 w = 0;
00044 #ifdef SEEK_SET
00045 w = wohin[w];
00046 #endif
00047 return !(f = unit_chk(*Unit, "fseek"))
00048 || FSEEK(f, (OFF_T)*offset, w) ? 1 : 0;
00049 }
00050 #ifdef __cplusplus
00051 }
00052 #endif