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| author | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
|---|---|---|
| committer | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
| commit | 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch) | |
| tree | 4464880c571602d54f6ae114729bf62a89518057 /unix/f2c/libf2c/ftell_.c | |
| download | iraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz | |
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'unix/f2c/libf2c/ftell_.c')
| -rw-r--r-- | unix/f2c/libf2c/ftell_.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/unix/f2c/libf2c/ftell_.c b/unix/f2c/libf2c/ftell_.c new file mode 100644 index 00000000..0acd60fe --- /dev/null +++ b/unix/f2c/libf2c/ftell_.c @@ -0,0 +1,52 @@ +#include "f2c.h" +#include "fio.h" +#ifdef __cplusplus +extern "C" { +#endif + + static FILE * +#ifdef KR_headers +unit_chk(Unit, who) integer Unit; char *who; +#else +unit_chk(integer Unit, const char *who) +#endif +{ + if (Unit >= MXUNIT || Unit < 0) + f__fatal(101, who); + return f__units[Unit].ufd; + } + + integer +#ifdef KR_headers +ftell_(Unit) integer *Unit; +#else +ftell_(integer *Unit) +#endif +{ + FILE *f; + return (f = unit_chk(*Unit, "ftell")) ? ftell(f) : -1L; + } + + int +#ifdef KR_headers +fseek_(Unit, offset, whence) integer *Unit, *offset, *whence; +#else +fseek_(integer *Unit, integer *offset, integer *whence) +#endif +{ + FILE *f; + int w = (int)*whence; +#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; + } +#ifdef __cplusplus +} +#endif |