diff options
Diffstat (limited to 'gnu/egcs/libf2c/libI77/ftell_.c')
-rw-r--r-- | gnu/egcs/libf2c/libI77/ftell_.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/gnu/egcs/libf2c/libI77/ftell_.c b/gnu/egcs/libf2c/libI77/ftell_.c new file mode 100644 index 00000000000..1bd03be325a --- /dev/null +++ b/gnu/egcs/libf2c/libI77/ftell_.c @@ -0,0 +1,46 @@ +#include "f2c.h" +#include "fio.h" + + static FILE * +#ifdef KR_headers +unit_chk(Unit, who) integer Unit; char *who; +#else +unit_chk(integer Unit, char *who) +#endif +{ + if (Unit >= MXUNIT || Unit < 0) + f__fatal(101, who); + return f__units[Unit].ufd; + } + + integer +#ifdef KR_headers +G77_ftell_0 (Unit) integer *Unit; +#else +G77_ftell_0 (integer *Unit) +#endif +{ + FILE *f; + return (f = unit_chk(*Unit, "ftell")) ? ftell(f) : -1L; + } + + integer +#ifdef KR_headers +G77_fseek_0 (Unit, offset, xwhence) integer *Unit, *offset, *xwhence; +#else +G77_fseek_0 (integer *Unit, integer *offset, integer *xwhence) +#endif +{ + FILE *f; + int w = (int)*xwhence; +#ifdef SEEK_SET + static int wohin[3] = { SEEK_SET, SEEK_CUR, SEEK_END }; +#endif + if (w < 0 || w > 2) + w = 0; +#ifdef SEEK_SET + w = wohin[w]; +#endif + return !(f = unit_chk(*Unit, "fseek")) + || fseek(f, *offset, w) ? 1 : 0; + } |