diff options
| author | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
|---|---|---|
| committer | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
| commit | e5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch) | |
| tree | d8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/libstdio/fseeko.c | |
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/libstdio/fseeko.c')
| -rwxr-xr-x | sys/src/libstdio/fseeko.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sys/src/libstdio/fseeko.c b/sys/src/libstdio/fseeko.c new file mode 100755 index 000000000..48b627bc8 --- /dev/null +++ b/sys/src/libstdio/fseeko.c @@ -0,0 +1,23 @@ +/* + * pANS stdio -- fseeko + */ +#include "iolib.h" +int fseeko(FILE *f, long long offs, int type){ + switch(f->state){ + case ERR: + case CLOSED: + return -1; + case WR: + fflush(f); + break; + case RD: + if(type==1 && f->buf!=f->unbuf) + offs-=f->wp-f->rp; + break; + } + if(f->flags&STRING || seek(f->fd, offs, type)==-1) return -1; + if(f->state==RD) f->rp=f->wp=f->buf; + if(f->state!=OPEN) + f->state=RDWR; + return 0; +} |