diff options
| -rw-r--r-- | sys/src/cmd/tail.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/sys/src/cmd/tail.c b/sys/src/cmd/tail.c index 5f328af69..572224749 100644 --- a/sys/src/cmd/tail.c +++ b/sys/src/cmd/tail.c @@ -365,17 +365,8 @@ usage(void) exits("usage"); } -/* return true if seeks work and if the file is > 0 length. - * this will eventually bite me in the ass if seeking a file - * is not conservative. - presotto - */ static int isseekable(int fd) -{ - vlong m; - - m = seek(fd, 0, 1); - if(m < 0) - return 0; - return 1; +{ + return seek(fd, 0, 2) > 0 && seek(fd, 0, 0) == 0; } |